{"id":6460,"date":"2026-10-26T05:53:34","date_gmt":"2026-10-26T05:53:34","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=6460"},"modified":"2026-10-26T07:48:48","modified_gmt":"2026-10-26T07:48:48","slug":"4-roller-bending-working-principle-and-equipment-features","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/lt\/4-roller-bending-working-principle-and-equipment-features\/","title":{"rendered":"4 Voleli\u0173 lenkimo veikimo principas ir \u012frangos savyb\u0117s"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6460\" class=\"elementor elementor-6460\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-719f47e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"719f47e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container 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.elementor-toc__list-item-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.elementor-toc__list-items--collapsible>.elementor-toc__list-wrapper>.elementor-toc__list-item>.elementor-toc__list-wrapper{display:none}.elementor-toc__heading-anchor{position:absolute}.elementor-toc__body .elementor-toc__list-item-text{color:var(--item-text-color);-webkit-text-decoration:var(--item-text-decoration);text-decoration:var(--item-text-decoration)}.elementor-toc__body .elementor-toc__list-item-text:hover{color:var(--item-text-hover-color);-webkit-text-decoration:var(--item-text-hover-decoration);text-decoration:var(--item-text-hover-decoration)}.elementor-toc__body .elementor-toc__list-item-text.elementor-item-active{color:var(--item-text-active-color);-webkit-text-decoration:var(--item-text-active-decoration);text-decoration:var(--item-text-active-decoration)}ol.elementor-toc__list-wrapper{counter-reset:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item{counter-increment:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item-text-wrapper:before{content:counters(item,\".\") \". \"}<\/style>\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h3 class=\"elementor-toc__header-title\">\n\t\t\t\tTurinys\t\t\t<\/h3>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__220ee7a\" aria-expanded=\"true\" aria-label=\"Atidaryti turin\u012f\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3615f8b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3615f8b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-41b7c20\" data-id=\"41b7c20\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fb8e3b5 elementor-widget elementor-widget-text-editor\" data-id=\"fb8e3b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>4 voleli\u0173 lenkimo procesas yra pla\u010diai naudojamas metalini\u0173 plok\u0161\u010di\u0173 formavimo metodas. Jame naudojamas ma\u0161inos voleli\u0173 sukimasis, metalin\u0117s plok\u0161t\u0117s prispaudimas ir \u0161onini\u0173 voleli\u0173 vertikalus jud\u0117jimas, siekiant laipsni\u0161kai deformuoti plok\u0161\u010di\u0105 plok\u0161t\u0119 plasti\u0161kai, galiausiai suformuojant j\u0105 \u012f cilindrus, lankus, k\u016bgines dalis ar kitus i\u0161lenktus komponentus.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22dd075 elementor-widget elementor-widget-text-editor\" data-id=\"22dd075\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Palyginti su tradicin\u0117mis trij\u0173 valc\u0173 lenkimo stakl\u0117mis, keturi\u0173 valc\u0173 lenkimo stakl\u0117s turi kelet\u0105 ai\u0161ki\u0173 prana\u0161um\u0173: joms reikia tik vieno nustatymo, jos leid\u017eia i\u0161 anksto sulenkti abu galus, u\u017etikrina nuolatin\u012f valcavim\u0105, pasi\u017eymi auk\u0161tesniu automatizavimo laipsniu ir u\u017etikrina geresn\u0119 ruo\u0161inio apvalumo bei formavimo proceso pakartojamumo kontrol\u0119.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-03649f7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"03649f7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e07e26c\" data-id=\"e07e26c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e920b38 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" 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100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e0485d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e0485d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f2f874f\" data-id=\"f2f874f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68530e5 elementor-widget elementor-widget-heading\" data-id=\"68530e5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">1. Pagrindin\u0117s 4 ritinini\u0173 lenkimo proceso s\u0105vokos<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e767241 elementor-widget elementor-widget-text-editor\" data-id=\"e767241\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>4 voleli\u0173 lenkimo procese naudojami keturi darbiniai volai, kuri\u0173 kiekvienas atlieka specifin\u0119 funkcij\u0105, kad metalinei plok\u0161tei b\u016bt\u0173 taikoma prispaudimo j\u0117ga, trinties j\u0117ga ir lenkimo momentai. Tai transformuoja plok\u0161t\u0119 i\u0161 plok\u0161\u010dios b\u016bsenos \u012f lank\u0105 arba cilindr\u0105 su apibr\u0117\u017etu kreivumu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6e0896 elementor-widget elementor-widget-text-editor\" data-id=\"c6e0896\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Keturi\u0173 valc\u0173 lenkimo stakl\u0117s paprastai susideda i\u0161 vir\u0161utinio volelio, apatinio volelio, kairojo ir de\u0161iniojo \u0161onini\u0173 voleli\u0173, hidraulin\u0117s pavaros sistemos, pagrindin\u0117s transmisijos sistemos, ma\u0161inos r\u0117mo, skaitmeninio valdymo (CNC) sistemos ir saugos apsaugos \u012ftais\u0173.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-145c730 elementor-widget elementor-widget-image\" data-id=\"145c730\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"446\" height=\"600\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-Roller-Bending-Process-Working-Principle.jpg\" class=\"attachment-large size-large wp-image-6464\" alt=\"4 Voleli\u0173 lenkimo proceso veikimo principas\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-Roller-Bending-Process-Working-Principle.jpg 446w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-Roller-Bending-Process-Working-Principle-223x300.jpg 223w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-Roller-Bending-Process-Working-Principle-9x12.jpg 9w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40532a3 elementor-widget elementor-widget-heading\" data-id=\"40532a3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Tipin\u0117s keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 lenkimo ma\u0161inos konfig\u016bracija<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9343be7 elementor-widget elementor-widget-text-editor\" data-id=\"9343be7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><tbody><tr><td width=\"124\"><p>Pagrindiniai komponentai<\/p><\/td><td width=\"178\"><p>Funkcijos ir vaidmenys<\/p><\/td><\/tr><tr><td width=\"124\"><p>Vir\u0161utinis ritinys<\/p><\/td><td width=\"178\"><p>Tarnauja kaip pagrindin\u0117 formavimo atrama ir kartu su apatiniu voleliu tvirtina metalin\u012f lak\u0161t\u0105<\/p><\/td><\/tr><tr><td width=\"124\"><p>Apatinis ritin\u0117lis<\/p><\/td><td width=\"178\"><p>Spausdamas lak\u0161t\u0105 auk\u0161tyn, jis suspaud\u017eia j\u012f ir, bendradarbiaudamas su pavaros sistema, palengvina med\u017eiagos padavim\u0105.<\/p><\/td><\/tr><tr><td width=\"124\"><p>Kairysis sukimasis<\/p><\/td><td width=\"178\"><p>Atlieka i\u0161ankstin\u012f lenkim\u0105 viename gale (priklausomai nuo valcavimo krypties) arba padeda valcuoti apskritimu<\/p><\/td><\/tr><tr><td width=\"124\"><p>De\u0161in\u0117s pus\u0117s sukimas<\/p><\/td><td width=\"178\"><p>Atlieka i\u0161ankstin\u012f lenkim\u0105 prie\u0161ingame gale ir vykdo nepertraukiam\u0105 apskrit\u0105 valcavim\u0105<\/p><\/td><\/tr><tr><td width=\"124\"><p>Hidraulin\u0117 sistema<\/p><\/td><td width=\"178\"><p>Reguliuoja ritin\u0117li\u0173 vertikal\u0173 jud\u0117jim\u0105, \u0161onini\u0173 ritin\u0117li\u0173 pad\u0117t\u012f ir prispaudimo j\u0117g\u0105<\/p><\/td><\/tr><tr><td width=\"124\"><p>Pagrindin\u0117 pavaros sistema<\/p><\/td><td width=\"178\"><p>Varo ritin\u0117li\u0173 sukim\u0105si, kad b\u016bt\u0173 galima nepertraukiamai tiekti metalo lak\u0161tus<\/p><\/td><\/tr><tr><td width=\"124\"><p>CNC sistema<\/p><\/td><td width=\"178\"><p>Valdo ritin\u0117li\u0173 pozicionavim\u0105, apdorojimo programas ir valcavimo proceso parametrus<\/p><\/td><\/tr><tr><td width=\"124\"><p>Pakreipimo \/ nuleidimo mechanizmas<\/p><\/td><td width=\"178\"><p>Leid\u017eia atlaisvinti vir\u0161utin\u012f ritinio gal\u0105 i\u0161krovimo metu, palengvinant susukto cilindro i\u0161\u0117mim\u0105<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0200133 elementor-widget elementor-widget-text-editor\" data-id=\"0200133\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Gamintojai skiriasi d\u0117l pavaros ritin\u0117li\u0173 skai\u010diaus, hidraulin\u0117s grandin\u0117s konfig\u016bracij\u0173, \u0161onini\u0173 ritin\u0117li\u0173 sinchronizavimo metod\u0173 ir CNC sistemos s\u0105rankos; tod\u0117l faktin\u0117s funkcin\u0117s specifikacijos tur\u0117t\u0173 b\u016bti nustatomos remiantis konkre\u010diu \u012frangos techniniu pasi\u016blymu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a38f6e8 elementor-widget elementor-widget-heading\" data-id=\"a38f6e8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Keturi\u0173 valc\u0173 lenkimo mechaniniai principai<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81dba34 elementor-widget elementor-widget-text-editor\" data-id=\"81dba34\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>4 voleli\u0173 lenkimas i\u0161 esm\u0117s yra metalini\u0173 plok\u0161\u010di\u0173 plastin\u0117s deformacijos ir formavimo procesas.<\/p><p>Kai metalin\u0117 plok\u0161t\u0117 patenka \u012f tarp\u0105 tarp vir\u0161utinio ir apatinio ritin\u0117li\u0173, apatinis ritin\u0117lis sukuria prispaudimo j\u0117g\u0105. Pagrindin\u0117 pavaros sistema stumia plok\u0161t\u0119 \u012f priek\u012f, o \u0161oniniai ritin\u0117liai sukuria lenkimo j\u0117g\u0105, sukeldami med\u017eiagoje lenkimo moment\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9b432b elementor-widget elementor-widget-text-editor\" data-id=\"b9b432b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Kai lenkimo \u012ftempis vir\u0161ija med\u017eiagos takumo rib\u0105, plok\u0161t\u0117 deformuojasi plasti\u0161kai, i\u0161laikydama specifin\u012f kreivum\u0105 net ir pa\u0161alinus apkrov\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54507d9 elementor-widget elementor-widget-text-editor\" data-id=\"54507d9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Pagrindin\u012f proces\u0105 galima apibendrinti taip:<\/b><\/strong><\/p><p>U\u017espaudimas ir padavimas<\/p><p>\u2193<\/p><p>Spaudimo taikymas \u0161oniniais ritin\u0117liais<\/p><p>\u2193<\/p><p>Plastiko lenkimas<\/p><p>\u2193<\/p><p>Cilindrinis formavimas<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d5c45f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d5c45f4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c96233a\" data-id=\"c96233a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-718a03a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"718a03a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-46b7f2c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"46b7f2c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0b03ff4\" data-id=\"0b03ff4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4bdd2a9 elementor-widget elementor-widget-heading\" data-id=\"4bdd2a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Keturi\u0173 valc\u0173 lenkimo stakli\u0173 konstrukcija ir veikimo principai<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a94c55 elementor-widget elementor-widget-image\" data-id=\"0a94c55\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"642\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/Four-Roll-Bending-Structure.png\" class=\"attachment-large size-large wp-image-6465\" alt=\"Keturi\u0173 ritin\u0117li\u0173 lenkimo konstrukcija\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/Four-Roll-Bending-Structure.png 642w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/Four-Roll-Bending-Structure-300x187.png 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/Four-Roll-Bending-Structure-18x12.png 18w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3b5a03 elementor-widget elementor-widget-heading\" data-id=\"d3b5a03\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Vir\u0161utini\u0173 ir apatini\u0173 ritin\u0117li\u0173 prispaudimo veiksmas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bb3848 elementor-widget elementor-widget-text-editor\" data-id=\"8bb3848\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u012e\u0117jus \u012f ma\u0161in\u0105, apatinis ritin\u0117lis juda auk\u0161tyn, tvirtai \u012fspausdamas metalin\u0119 plok\u0161t\u0119 tarp sav\u0119s ir vir\u0161utinio ritin\u0117lio.<\/p><p>\u0160is procesas atlieka tris pagrindinius tikslus: neleisti plok\u0161tei slysti valcavimo metu, u\u017etikrinti nepertraukiam\u0105 ir stabil\u0173 padavim\u0105 bei pagerinti pad\u0117ties valdym\u0105 viso formavimo proceso metu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e225cb5 elementor-widget elementor-widget-heading\" data-id=\"e225cb5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Lenkimo deformacija per \u0161oninius ritin\u0117lius<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-867c460 elementor-widget elementor-widget-text-editor\" data-id=\"867c460\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Kairysis ir de\u0161inysis \u0161oniniai ritin\u0117liai per hidraulinius cilindrus veikia j\u0117g\u0105, keisdami metalin\u0117s plok\u0161t\u0117s \u012ftempimo b\u016bsen\u0105.<\/p><p>Kai plok\u0161tei tenkantis lenkimo \u012ftempis vir\u0161ija med\u017eiagos takumo rib\u0105, plok\u0161t\u0117 patiria plastin\u0119 deformacij\u0105 \u2013 pokyt\u012f, kuris n\u0117ra visi\u0161kai gr\u012f\u017etamas.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5194553 elementor-widget elementor-widget-text-editor\" data-id=\"5194553\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Kei\u010diant \u0161onini\u0173 ritin\u0117li\u0173 pad\u0117tis, atitinkamai kei\u010diasi ir plok\u0161t\u0117s lenkimo spindulys.<\/p><p><strong><b>Paprastai, darant prielaid\u0105, kad kitos s\u0105lygos i\u0161lieka pastovios ir \u012frangos veikimo ribos n\u0117ra pasiektos:<\/b><\/strong><\/p><ul><li>\u0160onini\u0173 ritin\u0117li\u0173 reguliavimas auk\u0161tyn padidina lenkimo laipsn\u012f, tod\u0117l suma\u017e\u0117ja ried\u0117jimo spindulys.<\/li><li>\u0160onini\u0173 ritin\u0117li\u0173 reguliavimas \u017eemyn suma\u017eina lenkimo laipsn\u012f, tod\u0117l padid\u0117ja ried\u0117jimo spindulys.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a40a45 elementor-widget elementor-widget-heading\" data-id=\"2a40a45\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Nuolatinis valcavimas per darbinio ritin\u0117lio sukim\u0105si<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d56de5 elementor-widget elementor-widget-text-editor\" data-id=\"6d56de5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vir\u0161utinis volas (ir visi susij\u0119 varomieji volai) stumia plok\u0161t\u0119 \u012f priek\u012f trinties d\u0117ka, o \u0161oniniai volai nuolat taiko lenkimo j\u0117g\u0105, tod\u0117l plok\u0161t\u0117 palaipsniui \u012fgauna tolyg\u0173 i\u0161linkim\u0105 per vis\u0105 savo ilg\u012f. Po vieno ar keli\u0173 valcavimo raund\u0173 plok\u0161t\u0117 galiausiai suformuojama \u012f norim\u0105 cilindr\u0105 arba apskritimo lank\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ac6dc0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ac6dc0d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-72c7bae\" data-id=\"72c7bae\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a6d05c7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a6d05c7\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-01320de elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"01320de\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c2b44b6\" data-id=\"c2b44b6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc0b4fa elementor-widget elementor-widget-heading\" data-id=\"bc0b4fa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Pilnas keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 lenkimo apdorojimo darbo eiga<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d84ca3e elementor-widget elementor-widget-text-editor\" data-id=\"d84ca3e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 lenkimo procesas paprastai susideda i\u0161 \u0161i\u0173 etap\u0173: med\u017eiagos paruo\u0161imo, padavimo ir pad\u0117ties nustatymo, prispaudimo, priekinio kra\u0161to i\u0161ankstinio lenkimo, galinio kra\u0161to i\u0161ankstinio lenkimo, nepertraukiamo valcavimo, apvalumo kalibravimo ir i\u0161krovimo.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-815f63b elementor-widget elementor-widget-text-editor\" data-id=\"815f63b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Tipinis proceso srautas:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0d2ca7 elementor-widget elementor-widget-heading\" data-id=\"c0d2ca7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Med\u017eiagos paruo\u0161imas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8792c15 elementor-widget elementor-widget-text-editor\" data-id=\"8792c15\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Patikrinkite plok\u0161t\u0117s stor\u012f, plot\u012f, med\u017eiagos r\u016b\u0161\u012f, pavir\u0161iaus b\u016bkl\u0119 ir nupjaut\u0173 briaun\u0173 kokyb\u0119. Patvirtinkite tikslin\u012f skersmen\u012f ir reikiam\u0105 i\u0161vynioto (i\u0161vynioto) ilgio ilg\u012f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a7cd5f elementor-widget elementor-widget-heading\" data-id=\"5a7cd5f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Maitinimas ir u\u017espaudimas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4baf2bd elementor-widget elementor-widget-text-editor\" data-id=\"4baf2bd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u012estatykite plok\u0161t\u0119 tarp vir\u0161utinio ir apatinio ritin\u0117li\u0173, sulygiuokite jos pad\u0117t\u012f ir pritaikykite atitinkam\u0105 prispaudimo j\u0117g\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5970c26 elementor-widget elementor-widget-heading\" data-id=\"5970c26\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Priekinio kra\u0161to i\u0161ankstinis lenkimas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8eab816 elementor-widget elementor-widget-text-editor\" data-id=\"8eab816\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Sukdami pagrindinius ritin\u0117lius, reguliuokite atitinkamo \u0161oninio ritin\u0117lio pad\u0117t\u012f, kad sulenktum\u0117te priekin\u012f plok\u0161t\u0117s kra\u0161t\u0105 iki tikslinio i\u0161linkio ir taip suma\u017eintum\u0117te likus\u012f ties\u0173 kra\u0161t\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e7491e elementor-widget elementor-widget-heading\" data-id=\"5e7491e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Galinio kra\u0161to i\u0161ankstinis lenkimas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2469bba elementor-widget elementor-widget-text-editor\" data-id=\"2469bba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Apverskite padavimo krypt\u012f ir prie\u0161ingos pus\u0117s voleliu i\u0161 anksto sulenkkite galin\u012f plok\u0161t\u0117s kra\u0161t\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a737122 elementor-widget elementor-widget-heading\" data-id=\"a737122\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) Nuolatinis ried\u0117jimas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f78a412 elementor-widget elementor-widget-text-editor\" data-id=\"f78a412\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Nustatykite \u0161oninius ritin\u0117lius \u012f reikiamas pad\u0117tis ir stumkite plok\u0161t\u0119 per lenkimo zon\u0105, kad palaipsniui suformuotum\u0117te vis\u0105 cilindr\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb23387 elementor-widget elementor-widget-heading\" data-id=\"fb23387\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) Apvalumo kalibravimas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70e8ec1 elementor-widget elementor-widget-text-editor\" data-id=\"70e8ec1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>I\u0161matuokite si\u016bl\u0117s apvalum\u0105, skersmen\u012f ir pad\u0117t\u012f; atlikite laipsni\u0161kus koregavimus, atsi\u017evelgdami \u012f med\u017eiagos atatrank\u0105, kad i\u0161vengtum\u0117te per didelio sulenkimo.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-388561e elementor-widget elementor-widget-heading\" data-id=\"388561e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">7) I\u0161krovimas ir ap\u017ei\u016bra<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-903109c elementor-widget elementor-widget-text-editor\" data-id=\"903109c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Atleiskite apkrov\u0105, atidarykite atlenkiam\u0105 guol\u012f (arba galin\u0119 atram\u0105), kaip nurod\u0117 \u012frangos gamintojas, i\u0161imkite ruo\u0161in\u012f ir patikrinkite jo matmenis bei pavir\u0161iaus kokyb\u0119.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85e7d2a elementor-widget elementor-widget-text-editor\" data-id=\"85e7d2a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Konkreti i\u0161ankstinio lenkimo seka ir valcavimo sistemos jud\u0117jimo modeliai gali skirtis priklausomai nuo \u012frangos; visada laikykit\u0117s gamintojo naudojimo proced\u016br\u0173. Valcuojant dideles, storas plok\u0161tes, gali tekti \u0161onini\u0173 valcavimo pad\u0117\u010di\u0173 reguliavim\u0105 atlikti keliais etapais, kad b\u016bt\u0173 i\u0161vengta per didel\u0117s j\u0117gos taikymo vienu metu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7d6c547 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d6c547\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a1025ee\" data-id=\"a1025ee\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dddd577 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dddd577\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-93fbe4c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"93fbe4c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6594baf\" data-id=\"6594baf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3830367 elementor-widget elementor-widget-heading\" data-id=\"3830367\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. De\u0161imt pagrindini\u0173 keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 lenkimo stakli\u0173 savybi\u0173<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0248702 elementor-widget elementor-widget-image\" data-id=\"0248702\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"341\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/SW12-70X3000-4-Roller-Bending-Machine.jpg\" class=\"attachment-large size-large wp-image-6466\" alt=\"SW12 70X3000 4 ritin\u0117li\u0173 lenkimo stakl\u0117s\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/SW12-70X3000-4-Roller-Bending-Machine.jpg 939w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/SW12-70X3000-4-Roller-Bending-Machine-300x128.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/SW12-70X3000-4-Roller-Bending-Machine-768x327.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/SW12-70X3000-4-Roller-Bending-Machine-18x8.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca7f2f0 elementor-widget elementor-widget-heading\" data-id=\"ca7f2f0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Geresnis dvigubo galo i\u0161ankstinio lenkimo paj\u0117gumas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1ed5aa elementor-widget elementor-widget-text-editor\" data-id=\"f1ed5aa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Nepriklausomas kairiojo ir de\u0161iniojo \u0161onini\u0173 voleli\u0173 reguliavimas leid\u017eia i\u0161 anksto sulenkti abu plok\u0161t\u0117s galus vienu metu. Tai efektyviai suma\u017eina likusius tiesius kra\u0161tus ir pagerina formavimo kokyb\u0119 cilindro si\u016bl\u0117je.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36dce8d elementor-widget elementor-widget-heading\" data-id=\"36dce8d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Didelis ried\u0117jimo tikslumas ir stabilumas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b773597 elementor-widget elementor-widget-text-editor\" data-id=\"b773597\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vir\u0161utinio \/ apatinio ritin\u0117lio spaustuko ir nepriklausomai reguliuojam\u0173 \u0161onini\u0173 ritin\u0117li\u0173 derinys leid\u017eia tiksliai valdyti ried\u0117jimo spindul\u012f, neleid\u017eia plok\u0161tei pasislinkti ir u\u017etikrina pastovi\u0105 kokyb\u0119 serijin\u0117s gamybos metu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7463fa elementor-widget elementor-widget-heading\" data-id=\"b7463fa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Stiprios automatizuoto valdymo galimyb\u0117s<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a02360 elementor-widget elementor-widget-text-editor\" data-id=\"8a02360\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>CNC valdomi modeliai naudoja pad\u0117ties gr\u012f\u017etam\u0105j\u012f ry\u0161\u012f, hidraulin\u012f valdym\u0105 ir program\u0173 valdym\u0105, kad automatizuot\u0173 ritin\u0117lio pad\u0117ties nustatym\u0105, proceso parametr\u0173 saugojim\u0105 ir vis\u0105 valcavimo sek\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57b9a80 elementor-widget elementor-widget-heading\" data-id=\"57b9a80\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Didelis gamybos efektyvumas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35d31b4 elementor-widget elementor-widget-text-editor\" data-id=\"35d31b4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Suma\u017eindamos apvertimo, perk\u0117limo ir antrinio i\u0161ankstinio lenkimo poreik\u012f, \u0161ios stakl\u0117s ypa\u010d gerai tinka cilindrini\u0173 komponent\u0173 serijinei gamybai.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a388bbe elementor-widget elementor-widget-heading\" data-id=\"a388bbe\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) Platus med\u017eiag\u0173 suderinamumas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27045a5 elementor-widget elementor-widget-text-editor\" data-id=\"27045a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Priklausomai nuo \u012frangos specifikacij\u0173, ji gali apdirbti anglin\u012f plien\u0105, ner\u016bdijant\u012f plien\u0105, aliuminio lydinius ir tam tikras didelio stiprumo plieno plok\u0161tes.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93973d8 elementor-widget elementor-widget-heading\" data-id=\"93973d8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) Universalios formavimo galimyb\u0117s<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5307ce1 elementor-widget elementor-widget-text-editor\" data-id=\"5307ce1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Be paprast\u0173 cilindr\u0173, \u012franga gali gaminti lankus, elipses, k\u016bgines formas ir komponentus su \u012fvairiais kreivumais.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08efcd4 elementor-widget elementor-widget-heading\" data-id=\"08efcd4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">7) Tvirta hidraulin\u0117 pavara<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-505f676 elementor-widget elementor-widget-text-editor\" data-id=\"505f676\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Hidrauliniai \u0161oniniai volai daro didel\u0119 lenkimo j\u0117g\u0105, tod\u0117l \u012franga tinka vidutinio ir storo plok\u0161\u010di\u0173 apdirbimui.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7215a8f elementor-widget elementor-widget-heading\" data-id=\"7215a8f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">8) Suma\u017eintas med\u017eiag\u0173 \u0161vaistymas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b83bab elementor-widget elementor-widget-text-editor\" data-id=\"8b83bab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>I\u0161ankstinis lenkimas suma\u017eina tiesi\u0173 briaun\u0173 ilg\u012f, taip suma\u017einant v\u0117lesnio apipjaustymo poreik\u012f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-639721e elementor-widget elementor-widget-heading\" data-id=\"639721e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">8) Lengvai integruojama \u012f automatizuotas sistemas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac7995f elementor-widget elementor-widget-text-editor\" data-id=\"ac7995f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u012eranga gali b\u016bti derinama su padavimo platformomis, ruo\u0161ini\u0173 atraminiais r\u0117mais, automatiniais centravimo \u012frenginiais ir CNC sistemomis, kad b\u016bt\u0173 suformuotas automatizuotas valcavimo celis.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f329645 elementor-widget elementor-widget-heading\" data-id=\"f329645\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">9) Pagerinta suvirinimo kokyb\u0117<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b16fb5f elementor-widget elementor-widget-text-editor\" data-id=\"b16fb5f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Nuolatinis abiej\u0173 valcuoto cilindro gal\u0173 i\u0161linkis palengvina tiksl\u0173 pritaikym\u0105, suvirinim\u0105 su kabliukais ir v\u0117lesn\u012f galutin\u012f suvirinim\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a95599b elementor-widget elementor-widget-text-editor\" data-id=\"a95599b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u0160ios charakteristikos paprastai atitinka gamintoj\u0173 pateiktas keturi\u0173 valc\u0173 konfig\u016bracij\u0173 ir su jomis susijusi\u0173 formavimo proces\u0173 specifikacijas; ta\u010diau faktinis tikslumas, gamybos paj\u0117gumai ir automatizavimo galimyb\u0117s skirsis priklausomai nuo konkre\u010dios \u012frangos konfig\u016bracijos.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14a7f9a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14a7f9a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7d51d0e\" data-id=\"7d51d0e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d79cc58 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d79cc58\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-641ca45 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"641ca45\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f79ccfd\" data-id=\"f79ccfd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-40d7a09 elementor-widget elementor-widget-heading\" data-id=\"40d7a09\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. Pagrindiniai keturi\u0173 valc\u0173 valcavimo proceso techniniai parametrai<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afadeee elementor-widget elementor-widget-heading\" data-id=\"afadeee\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pagrindini\u0173 technini\u0173 parametr\u0173 lentel\u0117:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b0ea64 elementor-widget elementor-widget-text-editor\" data-id=\"9b0ea64\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><tbody><tr><td width=\"160\"><p>Technin\u0117s specifikacijos<\/p><\/td><td width=\"216\"><p>Funkcijos ir poveikis<\/p><\/td><\/tr><tr><td width=\"160\"><p>Maksimalus plok\u0161t\u0117s valcavimo storis<\/p><\/td><td width=\"216\"><p>Nustato maksimal\u0173 plok\u0161t\u0117s stor\u012f, kur\u012f gali apdoroti \u012franga<\/p><\/td><\/tr><tr><td width=\"160\"><p>Maksimalus storis prie\u0161 lenkim\u0105<\/p><\/td><td width=\"216\"><p>Nustato i\u0161ankstinio lenkimo paj\u0117gum\u0105 abiejuose galuose (paprastai ma\u017eesn\u012f nei maksimalus plok\u0161t\u0117s valcavimo storis)<\/p><\/td><\/tr><tr><td width=\"160\"><p>Maksimalus plok\u0161t\u0117s ried\u0117jimo plotis<\/p><\/td><td width=\"216\"><p>Nustato ruo\u0161inio a\u0161in\u012f ilg\u012f<\/p><\/td><\/tr><tr><td width=\"160\"><p>Minimalus ried\u0117jimo skersmuo<\/p><\/td><td width=\"216\"><p>Nustato minimal\u0173 cilindro skersmen\u012f, kur\u012f gali suformuoti \u012franga<\/p><\/td><\/tr><tr><td width=\"160\"><p>Vir\u0161utinio ritinio skersmuo<\/p><\/td><td width=\"216\"><p>\u012etakoja ried\u0117jimo paj\u0117gum\u0105, standum\u0105 ir minimal\u0173 formavimo spindul\u012f<\/p><\/td><\/tr><tr><td width=\"160\"><p>Darbinio ritinio sukimosi greitis<\/p><\/td><td width=\"216\"><p>\u012etakoja gamybos ciklo laik\u0105 ir proces\u0173 valdym\u0105<\/p><\/td><\/tr><tr><td width=\"160\"><p>\u0160oninio pasvirimo reguliavimo tikslumas<\/p><\/td><td width=\"216\"><p>\u012etakoja kreivumo kontrol\u0119 ir pakartojamum\u0105<\/p><\/td><\/tr><tr><td width=\"160\"><p>Pagrindinio variklio galia<\/p><\/td><td width=\"216\"><p>\u012etakoja pavaros talp\u0105 ir energijos suvartojim\u0105<\/p><\/td><\/tr><tr><td width=\"160\"><p>Hidraulin\u0117s sistemos sl\u0117gis<\/p><\/td><td width=\"216\"><p>\u012etakoja hidraulinio cilindro trauk\u0105 ir apkrov\u0105<\/p><\/td><\/tr><tr><td width=\"160\"><p>CNC sistema<\/p><\/td><td width=\"216\"><p>Nustato su automatizavimu, parametr\u0173 saugojimu ir programos valdymu susijusias galimybes<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-749b664 elementor-widget elementor-widget-text-editor\" data-id=\"749b664\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Svarbi pastaba:<\/b><\/strong><\/p><p>Did\u017eiausias plok\u0161t\u0117s storis nerei\u0161kia, kad \u012franga gali pasiekti \u0161\u012f stor\u012f esant bet kokiam plok\u0161t\u0117s plo\u010diui, med\u017eiagos stiprumui ar skersmeniui. Faktin\u0117 keliamoji galia turi b\u016bti patikrinta pagal \u012frangos ried\u0117jimo keliamosios galios kreiv\u0119.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9038e34 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9038e34\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d36282f\" data-id=\"d36282f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be60d9a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"be60d9a\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b5eeeaa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b5eeeaa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-03a9e11\" data-id=\"03a9e11\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b64e3b elementor-widget elementor-widget-heading\" data-id=\"6b64e3b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">6. Formavimo skai\u010diavimai lenkiant keturiais valcais<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ee8029 elementor-widget elementor-widget-heading\" data-id=\"5ee8029\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) I\u0161vystytas plok\u0161t\u0117s ilgis<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42fe37c elementor-widget elementor-widget-text-editor\" data-id=\"42fe37c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Idealaus cilindro ilg\u012f galima apskai\u010diuoti pagal neutrali\u0105j\u0105 a\u0161\u012f:<\/b><\/strong><\/p><p>L \u2248 \u03c0(D<sub>a\u0161<\/sub>\u00a0+ Kt)<\/p><p>Kur:<\/p><p>L: I\u0161vystytas plok\u0161t\u0117s ilgis (mm)<\/p><p>D<sub>a\u0161<\/sub>Tikslinis cilindro vidinis skersmuo (mm)<\/p><p>t: Plok\u0161t\u0117s storis (mm)<\/p><p>K: Neutralios a\u0161ies pad\u0117ties koeficientas (pradiniam \u012fvertinimui ma\u017edaug 0,5; j\u012f reik\u0117t\u0173 koreguoti atsi\u017evelgiant \u012f konkre\u010di\u0105 med\u017eiag\u0105 ir proces\u0105).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96f54f2 elementor-widget elementor-widget-text-editor\" data-id=\"96f54f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Pavyzd\u017eiui, kai tikslinis vidinis skersmuo yra 1000 mm, plok\u0161t\u0117s storis yra 10 mm, o K = 0,5:<\/b><\/strong><\/p><p>L \u2248 3,1416 * (1000 + 5)<\/p><p>Ilgis \u2248 3157,3 mm<\/p><p>Tai teorinis \u012fvertinimas. Ruo\u0161iant med\u017eiag\u0105, taip pat reikia atsi\u017evelgti \u012f tokius veiksnius kaip suvirinimo tarpas, apipjaustymo tolerancija, spyruoklumas ir bandomojo valcavimo rezultatai.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aae78e8 elementor-widget elementor-widget-heading\" data-id=\"aae78e8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Plok\u0161t\u0117s lenkimo deformacija<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06ae81c elementor-widget elementor-widget-text-editor\" data-id=\"06ae81c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>4 voleli\u0173 lenkimo proceso metu i\u0161orinis plok\u0161t\u0117s sluoksnis yra tempiamas, o vidinis \u2013 gniu\u017edomas.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3524b9 elementor-widget elementor-widget-text-editor\" data-id=\"a3524b9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Supaprastintomis gryno lenkimo s\u0105lygomis:<\/b><\/strong><\/p><p>\u03b5 \u2248 t \/ 2R<sub>m.<\/sub><\/p><p>Kur R<sub>m.<\/sub>\u00a0yra plok\u0161t\u0117s lenkimo spindulys \u0161alia neutraliosios a\u0161ies.<\/p><p>Did\u0117jant plok\u0161t\u0117s storiui arba ma\u017e\u0117jant taikinio spinduliui, lenkimo \u012ftempis paprastai did\u0117ja, tod\u0117l valcavimo procesas tampa sunkesnis.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d03342 elementor-widget elementor-widget-heading\" data-id=\"6d03342\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Atgalinio spyruokl\u0117jimo kompensacija<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c36c29 elementor-widget elementor-widget-text-editor\" data-id=\"8c36c29\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Plok\u0161tei palikus darbinius ritin\u0117lius, ji elastingai at\u0161oka; d\u0117l to tikrasis cilindro skersmuo gali b\u016bti didesnis nei formavimo skersmuo, taikomas valcavimo proceso metu.<\/p><p>Pagrindiniai veiksniai, darantys \u012ftak\u0105 spyruokliavimui, yra med\u017eiagos takumo riba, tamprumo modulis, plok\u0161t\u0117s storis, tikslinis spindulys ir ried\u0117jimo kelias.<\/p><p>Faktin\u0117je gamyboje kompensacijos suma tur\u0117t\u0173 b\u016bti nustatoma pagal matavimus, atliktus bandomojo valcavimo metu, o ne taikant fiksuot\u0105 kompensacijos procent\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40cea2b elementor-widget elementor-widget-video\" data-id=\"40cea2b\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=Q5p8l-eM_Ks&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-db2e079 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"db2e079\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3b264e9\" data-id=\"3b264e9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b819c5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2b819c5\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-409d1fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"409d1fe\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0192cfe\" data-id=\"0192cfe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-060eb58 elementor-widget elementor-widget-heading\" data-id=\"060eb58\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">7. Keturi\u0173 ir trij\u0173 valc\u0173 plok\u0161\u010di\u0173 lenkimo stakli\u0173 palyginimas<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3429197 elementor-widget elementor-widget-heading\" data-id=\"3429197\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Palyginimo lentel\u0117:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9568ad5 elementor-widget elementor-widget-text-editor\" data-id=\"9568ad5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><tbody><tr><td width=\"167\"><p><strong><b>Palyginimo kriterijai<\/b><\/strong><\/p><\/td><td width=\"173\"><p><strong><b>Keturi\u0173 ritini\u0173 plok\u0161\u010di\u0173 lenkimo stakl\u0117s<\/b><\/strong><\/p><\/td><td width=\"187\"><p><strong><b>Trij\u0173 ritini\u0173 plok\u0161\u010di\u0173 lenkimo stakl\u0117s<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"167\"><p>Darbo ritini\u0173 skai\u010dius<\/p><\/td><td width=\"173\"><p>4 ritin\u0117liai<\/p><\/td><td width=\"187\"><p>3 ritin\u0117liai<\/p><\/td><\/tr><tr><td width=\"167\"><p>Plok\u0161t\u0117s prispaudimas<\/p><\/td><td width=\"173\"><p>Nepriklausomas fiksavimas vir\u0161utiniais ir apatiniais ritin\u0117liais<\/p><\/td><td width=\"187\"><p>Priklauso nuo konkre\u010dios ritin\u0117lio konfig\u016bracijos<\/p><\/td><\/tr><tr><td width=\"167\"><p>Abiej\u0173 gal\u0173 i\u0161ankstinis lenkimas<\/p><\/td><td width=\"173\"><p>Procesas u\u017ebaigtas vienu nustatymu<\/p><\/td><td width=\"187\"><p>Kai kuriems modeliams reikia apversti arba perkelti plok\u0161tel\u0119<\/p><\/td><\/tr><tr><td width=\"167\"><p>Likutin\u0117 tiesi briauna<\/p><\/td><td width=\"173\"><p>Paprastai trumpesnis (ciklo laikas)<\/p><\/td><td width=\"187\"><p>Priklauso nuo modelio ir i\u0161ankstinio lenkimo metodo<\/p><\/td><\/tr><tr><td width=\"167\"><p>Ried\u0117jimo tikslumas<\/p><\/td><td width=\"173\"><p>Lengviau pasiekti auk\u0161t\u0105 pakartojamum\u0105<\/p><\/td><td width=\"187\"><p>Auk\u0161tos klas\u0117s modeliai taip pat gali pasiekti didel\u012f tikslum\u0105<\/p><\/td><\/tr><tr><td width=\"167\"><p>Automatikos integracija<\/p><\/td><td width=\"173\"><p>Paprastai patogiau<\/p><\/td><td width=\"187\"><p>Priklauso nuo konstrukcijos ir valdymo sistemos<\/p><\/td><\/tr><tr><td width=\"167\"><p>Veiklos sud\u0117tingumas<\/p><\/td><td width=\"173\"><p>Prispaudimas ir i\u0161ankstinis lenkimas yra gana paprasti<\/p><\/td><td width=\"187\"><p>Skiriasi priklausomai nuo \u012frangos konstrukcijos<\/p><\/td><\/tr><tr><td width=\"167\"><p>\u012erangos investicijos<\/p><\/td><td width=\"173\"><p>Paprastai didesnis (na\u0161umas \/ efektyvumas)<\/p><\/td><td width=\"187\"><p>Kai kurie modeliai turi ma\u017eesn\u0119 kain\u0105<\/p><\/td><\/tr><tr><td width=\"167\"><p>Taikomi scenarijai<\/p><\/td><td width=\"173\"><p>Tinka partijinei, didelio efektyvumo ir automatizuotai gamybai<\/p><\/td><td width=\"187\"><p>Universalus apdirbimas ir platus plok\u0161\u010di\u0173 lenkimo pritaikym\u0173 spektras<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8172c80 elementor-widget elementor-widget-text-editor\" data-id=\"8172c80\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Reik\u0117t\u0173 pa\u017eym\u0117ti, kad <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/lt\/3-roller-plate-bending-machine\/\" target=\"_blank\" rel=\"noopener\">Trij\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakl\u0117s<\/a><\/span> b\u016bna \u012fvairi\u0173 konfig\u016bracij\u0173 \u2013 pavyzd\u017eiui, simetrini\u0173, asimetrini\u0173 ir universali\u0173 (reguliuojam\u0173 vir\u0161utiniu voleliu) tip\u0173, tod\u0117l b\u016bt\u0173 netikslu manyti, kad joks trij\u0173 vol\u0173 \u012frenginys negali atlikti i\u0161ankstinio lenkimo abiejuose plok\u0161t\u0117s galuose.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f514c58 elementor-widget elementor-widget-text-editor\" data-id=\"f514c58\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Atrankos i\u0161vada:<\/b><\/strong><\/p><p>\u012emon\u0117ms, u\u017esiiman\u010dioms masine cilindrini\u0173 komponent\u0173, kuriems reikalingas didelio tikslumo i\u0161ankstinis lenkimas ir da\u017enas gamini\u0173 keitimas, gamyba, keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakl\u0117s paprastai suteikia daugiau prana\u0161um\u0173. Ir atvirk\u0161\u010diai, \u012fmon\u0117ms, turin\u010dioms ribot\u0105 biud\u017eet\u0105 arba gaminan\u010dioms paprastesnius, ma\u017eiau \u012fvairius komponentus, tinkama trij\u0173 valc\u0173 stakl\u0117s gali b\u016bti labai ekonomi\u0161kas pasirinkimas.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dfa9179 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dfa9179\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24307da\" data-id=\"24307da\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-affdcc4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"affdcc4\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-db1ff40 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"db1ff40\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-aefb5ad\" data-id=\"aefb5ad\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0ed9463 elementor-widget elementor-widget-heading\" data-id=\"0ed9463\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">8. Pagrindin\u0117s keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo pramon\u0117s \u0161akos<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccec06d elementor-widget elementor-widget-text-editor\" data-id=\"ccec06d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>Sl\u0117gini\u0173 ind\u0173 ir rezervuar\u0173 gamyba: skys\u010di\u0173 laikymo rezervuarai, chemini\u0173 med\u017eiag\u0173 rezervuarai ir sl\u0117gini\u0173 ind\u0173 korpus\u0173 segmentai.<\/li><li>V\u0117jo energija ir energetikos \u012franga: v\u0117jo turbin\u0173 bok\u0161tai ir didelio masto cilindriniai konstrukciniai komponentai energetikos \u012frangai.<\/li><li>Laiv\u0173 statyba ir j\u016brin\u0117 in\u017einerija: lenktos korpuso plok\u0161t\u0117s, cilindriniai j\u016briniai komponentai ir konstrukcin\u0117s dalys.<\/li><li>Plieniniai vamzd\u017eiai ir metalin\u0117s konstrukcijos: didelio skersmens suvirinti plieniniai vamzd\u017eiai, d\u016bmtraukiai ir v\u0117dinimo ortakiai.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ce82087 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ce82087\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6d7f7ca\" data-id=\"6d7f7ca\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d36115 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8d36115\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cc6425b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc6425b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8dd7bc3\" data-id=\"8dd7bc3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-88ed0ef elementor-widget elementor-widget-heading\" data-id=\"88ed0ef\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">9. \u0160e\u0161i pagrindiniai veiksniai, darantys \u012ftak\u0105 keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo kokybei<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68b1f81 elementor-widget elementor-widget-image\" data-id=\"68b1f81\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"607\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-roller-plate-bending-machine-12X3200.jpg\" class=\"attachment-large size-large wp-image-6467\" alt=\"4 voleli\u0173 plok\u0161\u010di\u0173 lenkimo stakl\u0117s 12X3200\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-roller-plate-bending-machine-12X3200.jpg 800w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-roller-plate-bending-machine-12X3200-300x228.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-roller-plate-bending-machine-12X3200-768x583.jpg 768w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2026\/10\/4-roller-plate-bending-machine-12X3200-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-713806d elementor-widget elementor-widget-heading\" data-id=\"713806d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Med\u017eiagos tipas ir takumo riba<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd3c8f8 elementor-widget elementor-widget-text-editor\" data-id=\"bd3c8f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Skirtingoms med\u017eiagoms reikalingos labai skirtingos valcavimo j\u0117gos. Net ir esant vienodam storiui, med\u017eiagoms, kuri\u0173 takumo riba yra didesn\u0117, paprastai reikia didesnio lenkimo momento.<\/p><p>Tod\u0117l apdorojimo paj\u0117gumas a <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/lt\/plate-rolling-machine\/\" target=\"_blank\" rel=\"noopener\">plok\u0161\u010di\u0173 valcavimo ma\u0161ina<\/a><\/span> negalima nustatyti vien pagal plok\u0161t\u0117s stor\u012f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ff042b elementor-widget elementor-widget-heading\" data-id=\"8ff042b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Plok\u0161t\u0117s storis ir plotis<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d7177c elementor-widget elementor-widget-text-editor\" data-id=\"6d7177c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Didesnis plok\u0161t\u0117s storis paprastai reikalauja didesnio lenkimo momento; didesnis plok\u0161t\u0117s plotis gali lemti didesn\u0119 ritin\u0117lio deformacij\u0105 ir didesnes bendras formavimo apkrovas.<\/p><p>Remiantis supaprastintu tampriai plastiniu lenkimo modeliu, tam tikrai med\u017eiagai ir kreivumui reikalingas lenkimo momentas plo\u010dio vienetui yra ma\u017edaug proporcingas storio kvadratui. Ta\u010diau faktin\u0117 valcavimo apkrova taip pat priklauso nuo toki\u0173 veiksni\u0173 kaip atstumas tarp ritin\u0117li\u0173 ir konkre\u010dios eksploatavimo s\u0105lygos.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-529ff76 elementor-widget elementor-widget-heading\" data-id=\"529ff76\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) Ried\u0117jimo skersmuo<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90a73bc elementor-widget elementor-widget-text-editor\" data-id=\"90a73bc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Ma\u017eesnis taikinio skersmuo paprastai reikalauja didesnio plok\u0161t\u0117s plastin\u0117s deformacijos laipsnio.<\/p><p>Minimal\u0173 valcavimo skersmen\u012f, kur\u012f gali pasiekti ma\u0161ina, riboja tokie veiksniai kaip vir\u0161utinio ritinio skersmuo, ritini\u0173 i\u0161d\u0117stymas, med\u017eiagos stiprumas, plok\u0161t\u0117s storis ir bendras \u012frangos standumas.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ed0f9f elementor-widget elementor-widget-heading\" data-id=\"3ed0f9f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Med\u017eiaga: elastinga spyruoklin\u0117<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dcd4ac4 elementor-widget elementor-widget-text-editor\" data-id=\"dcd4ac4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>U\u017ebaigus valcavimo proces\u0105, med\u017eiagos elastin\u0117 \u012ftampa atpalaiduojama, tod\u0117l ruo\u0161inys paprastai padidina skersmen\u012f ir suma\u017eina kreivum\u0105. Tod\u0117l realioje gamyboje da\u017enai reikia s\u0105moningai perlenkti med\u017eiag\u0105, o tada pasiekti tikslinius matmenis atliekant v\u0117lesnius matavimus ir apvalumo korekcij\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4463e22 elementor-widget elementor-widget-heading\" data-id=\"4463e22\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) Ried\u0117jimo deformacija ir lygiagretumas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26aea19 elementor-widget elementor-widget-text-editor\" data-id=\"26aea19\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Apdorojant pla\u010dias plok\u0161tes, ritin\u0117liai gali deformuotis veikiant apkrovai, d\u0117l ko ruo\u0161inys gali b\u016bti nevienodai i\u0161link\u0119s per vis\u0105 plot\u012f.<\/p><p>Valdymo priemon\u0117s turi atsi\u017evelgti \u012f \u012frangos ritin\u0117li\u0173 standum\u0105, kompensavimo konstrukcij\u0105 ir faktin\u012f plok\u0161t\u0117s plot\u012f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a462854 elementor-widget elementor-widget-heading\" data-id=\"a462854\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) Maitinimo, pad\u0117ties nustatymo ir veikimo proced\u016bros<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a98dc9 elementor-widget elementor-widget-text-editor\" data-id=\"4a98dc9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Neteisingas i\u0161lygiavimas padavimo metu, nepakankama prispaudimo j\u0117ga arba nenuoseklus \u0161onini\u0173 voleli\u0173 reguliavimas gali sukelti tokias problemas kaip k\u016bgis, ovalumas arba si\u016bl\u0117s nesutapimas.<\/p><p>Tod\u0117l CNC parametrai turi b\u016bti kruop\u0161\u010diai suderinti su faktin\u0117mis darbo proced\u016bromis.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-343b48e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"343b48e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-471662b\" data-id=\"471662b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5397d8b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5397d8b\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-01d6d68 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"01d6d68\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5099bbc\" data-id=\"5099bbc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa1b328 elementor-widget elementor-widget-heading\" data-id=\"fa1b328\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">10. Kaip galima pagerinti keturi\u0173 valc\u0173 lenkimo apdorojimo tikslum\u0105?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bbefa9 elementor-widget elementor-widget-text-editor\" data-id=\"8bbefa9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Praktin\u0117je gamyboje optimizavimas gali b\u016bti vertinamas trimis aspektais: \u012frangos, proceso ir kontrol\u0117s.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca92c14 elementor-widget elementor-widget-text-editor\" data-id=\"ca92c14\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><tbody><tr><td width=\"140\"><p><strong><b>Da\u017enos problemos<\/b><\/strong><\/p><\/td><td width=\"166\"><p><strong><b>Galimos prie\u017eastys<\/b><\/strong><\/p><\/td><td width=\"193\"><p><strong><b>Tobulinimo priemon\u0117s<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"140\"><p>Per didelis cilindro ovalumas<\/p><\/td><td width=\"166\"><p>Neteisingas \u0161onini\u0173 voleli\u0173 i\u0161d\u0117stymas, netolygus at\u0161okimas<\/p><\/td><td width=\"193\"><p>\u012ediegti daugiapakop\u012f valcavim\u0105, apskritimo korekcij\u0105 ir parametr\u0173 koregavim\u0105<\/p><\/td><\/tr><tr><td width=\"140\"><p>Tiesi\u0173 kra\u0161t\u0173 buvimas si\u016bl\u0117se<\/p><\/td><td width=\"166\"><p>Nepakankamas i\u0161ankstinis lenkimas<\/p><\/td><td width=\"193\"><p>Optimizuokite galutin\u012f i\u0161ankstinio lenkimo proces\u0105<\/p><\/td><\/tr><tr><td width=\"140\"><p>Ruo\u0161inio smailinimas<\/p><\/td><td width=\"166\"><p>Neteisingai suderintas med\u017eiagos padavimas, nenuoseklus voleli\u0173 a\u0161ies pad\u0117ties nustatymas<\/p><\/td><td width=\"193\"><p>Patikrinkite plok\u0161t\u0117s centravim\u0105 ir \u0161oninio ried\u0117jimo sinchronizavim\u0105<\/p><\/td><\/tr><tr><td width=\"140\"><p>I\u0161sip\u016btusi arba \u201ejuosmens\u201c (sm\u0117lio laikrod\u017eio) forma cilindro viduryje<\/p><\/td><td width=\"166\"><p>Volelio a\u0161ies deformacija, med\u017eiagos nevienodumas<\/p><\/td><td width=\"193\"><p>Patikrinkite \u012frangos standum\u0105 ir ried\u0117jimo veleno kompensavim\u0105<\/p><\/td><\/tr><tr><td width=\"140\"><p>Pavir\u0161iaus \u012fdubimai<\/p><\/td><td width=\"166\"><p>U\u017eter\u0161tumas ant voleli\u0173 pavir\u0161i\u0173, per didel\u0117 prispaudimo j\u0117ga<\/p><\/td><td width=\"193\"><p>Valykite ritin\u0117li\u0173 pavir\u0161ius ir optimizuokite prispaudimo sl\u0117g\u012f<\/p><\/td><\/tr><tr><td width=\"140\"><p>Matmen\u0173 svyravimai pakartotinio apdorojimo metu<\/p><\/td><td width=\"166\"><p>Med\u017eiag\u0173 partij\u0173 skirtumai, nestabil\u016bs proceso parametrai<\/p><\/td><td width=\"193\"><p>Kategorizuoti proces\u0173 programas ir atlikti pirmojo gaminio patikrinim\u0105<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8d39d2 elementor-widget elementor-widget-text-editor\" data-id=\"e8d39d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Plok\u0161\u010di\u0173, kurioms keliami auk\u0161ti pavir\u0161iaus kokyb\u0117s reikalavimai, pavyzd\u017eiui, pagamint\u0173 i\u0161 ner\u016bdijan\u010dio plieno, atveju galima imtis papildom\u0173 priemoni\u0173, \u012fskaitant apsaugini\u0173 ritinini\u0173 dang\u0173, specializuot\u0173 kontaktini\u0173 med\u017eiag\u0173 ir apsaugos nuo \u012fbr\u0117\u017eim\u0173 priemoni\u0173 naudojim\u0105.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3b05403 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3b05403\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2751f53\" data-id=\"2751f53\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2186c28 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2186c28\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-31dee96 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"31dee96\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fda81a4\" data-id=\"fda81a4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f9bbd9d elementor-widget elementor-widget-heading\" data-id=\"f9bbd9d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">11. Kaip i\u0161sirinkti tinkam\u0105 keturi\u0173 vol\u0173 plok\u0161\u010di\u0173 valcavimo ma\u0161in\u0105?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fe6283 elementor-widget elementor-widget-text-editor\" data-id=\"1fe6283\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Renkantis ma\u0161in\u0105, rekomenduojama pirmiausia nustatyti penkis pagrindinius proceso parametrus: med\u017eiagos tip\u0105 ir takumo rib\u0105, maksimal\u0173 plok\u0161t\u0117s stor\u012f, maksimal\u0173 plok\u0161t\u0117s plot\u012f, minimal\u0173 vidin\u012f valcavimo skersmen\u012f ir tai, ar reikia i\u0161 anksto sulenkti abu plok\u0161t\u0117s galus.<\/p><p>Pavyzd\u017eiui, pasirenkant \u012fprast\u0105 W12 serijos hidraulin\u0119 keturi\u0173 vol\u0173 plok\u0161\u010di\u0173 valcavimo ma\u0161in\u0105, atrankos procese pirmenyb\u0117 tur\u0117t\u0173 b\u016bti teikiama \u0161iems parametrams.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-950faf7 elementor-widget elementor-widget-text-editor\" data-id=\"950faf7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><tbody><tr><td width=\"135\"><p><strong><b>Technin\u0117s specifikacijos<\/b><\/strong><\/p><\/td><td width=\"144\"><p><strong><b>Apra\u0161ymas<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"135\"><p>Maksimalus plok\u0161t\u0117s valcavimo storis<\/p><\/td><td width=\"144\"><p>Did\u017eiausias valcavimo storis nurodytoms med\u017eiagos, plo\u010dio ir skersmens s\u0105lygoms<\/p><\/td><\/tr><tr><td width=\"135\"><p>Maksimalus storis prie\u0161 lenkim\u0105<\/p><\/td><td width=\"144\"><p>Did\u017eiausias plok\u0161t\u0117s storis, kuriam \u012franga gali atlikti kra\u0161t\u0173 i\u0161ankstin\u012f lenkim\u0105<\/p><\/td><\/tr><tr><td width=\"135\"><p>Maksimalus plok\u0161t\u0117s ried\u0117jimo plotis<\/p><\/td><td width=\"144\"><p>Did\u017eiausias leistinas plok\u0161t\u0117s plotis apdorojimui<\/p><\/td><\/tr><tr><td width=\"135\"><p>Minimalus ried\u0117jimo skersmuo<\/p><\/td><td width=\"144\"><p>Minimalus ruo\u0161inio skersmuo, pasiekiamas esant nurodytoms darbo s\u0105lygoms<\/p><\/td><\/tr><tr><td width=\"135\"><p>Vir\u0161utinio ritinio skersmuo<\/p><\/td><td width=\"144\"><p>\u012etakoja standum\u0105 ir geb\u0117jim\u0105 valcuoti ma\u017eo skersmens ruo\u0161inius<\/p><\/td><\/tr><tr><td width=\"135\"><p>Apatinis ritin\u0117lio skersmuo<\/p><\/td><td width=\"144\"><p>\u012etakoja prispaudimo ir padavimo na\u0161um\u0105<\/p><\/td><\/tr><tr><td width=\"135\"><p>\u0160oninio ritin\u0117lio skersmuo<\/p><\/td><td width=\"144\"><p>\u012etakoja \u0161onini\u0173 ritin\u0117li\u0173 laikom\u0105j\u0105 gali\u0105 ir bendr\u0105 ried\u0117jimo diapazon\u0105<\/p><\/td><\/tr><tr><td width=\"135\"><p>Ried\u0117jimo greitis<\/p><\/td><td width=\"144\"><p>Plok\u0161t\u0117s linijinis greitis valcavimo proceso metu<\/p><\/td><\/tr><tr><td width=\"135\"><p>Pagrindinio variklio galia<\/p><\/td><td width=\"144\"><p>Susij\u0119 su pavaros talpa ir \u012frangos specifikacijomis<\/p><\/td><\/tr><tr><td width=\"135\"><p>Hidraulin\u0117s sistemos sl\u0117gis<\/p><\/td><td width=\"144\"><p>Nominalus hidraulin\u0117s sistemos darbinis sl\u0117gis<\/p><\/td><\/tr><tr><td width=\"135\"><p>CNC sistema<\/p><\/td><td width=\"144\"><p>Valdo ritin\u0117li\u0173 pad\u0117ties nustatym\u0105, veikimo sekas ir apdorojimo programas<\/p><\/td><\/tr><tr><td width=\"135\"><p>Bendras ma\u0161inos svoris<\/p><\/td><td width=\"144\"><p>Susij\u0119 su \u012frangos konstrukcija, specifikacijomis ir laikom\u0105ja galia<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19e50a7 elementor-widget elementor-widget-text-editor\" data-id=\"19e50a7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Pavyzd\u017eiui, \u012fprastose keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakl\u0117se, tokiose kaip W12-16\u00d72000 ir W12-25\u00d73200 modeliai, modelio \u017eym\u0117jimo skai\u010diai paprastai nurodo nominal\u0173 plok\u0161\u010di\u0173 valcavimo stor\u012f ir darbin\u012f plot\u012f. Ta\u010diau faktin\u012f na\u0161um\u0105 visada reikia patikrinti pagal gamintojo technines specifikacijas ir bandomojo valcavimo rezultatus.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7882bf5 elementor-widget elementor-widget-text-editor\" data-id=\"7882bf5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakli\u0173 W12-25\u00d73200 modelio pavadinimas rei\u0161kia 25 mm storio ir 3200 mm plo\u010dio nominali\u0105 valcavimo gali\u0105. Svarbu atkreipti d\u0117mes\u012f, kad \u0161i storio galia priklauso nuo konkre\u010di\u0173 gamintojo apibr\u0117\u017et\u0173 parametr\u0173, toki\u0173 kaip med\u017eiagos stiprumas, minimalus valcavimo skersmuo ir i\u0161ankstinio lenkimo s\u0105lygos, ir netur\u0117t\u0173 b\u016bti interpretuojama kaip absoliuti galimyb\u0117 valcuoti 25 mm storio plok\u0161tes bet kokiomis eksploatavimo s\u0105lygomis.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f6a0f8 elementor-widget elementor-widget-text-editor\" data-id=\"6f6a0f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u012erenginiams, daugiausia u\u017esiimantiems cilindrini\u0173 komponent\u0173 serijine gamyba, pirmenyb\u0117 tur\u0117t\u0173 b\u016bti teikiama tokioms funkcijoms kaip CNC valdymas, automatinis centravimas, ritin\u0117lio pad\u0117ties gr\u012f\u017etamasis ry\u0161ys, hidraulin\u0117 sinchronizacija, automatinis padavimas ir pagalbin\u0117s atramos sistemos. Ir atvirk\u0161\u010diai, ma\u017e\u0173 partij\u0173, didel\u0117s \u012fvairov\u0117s gamybos operacijoms didesnis d\u0117mesys tur\u0117t\u0173 b\u016bti skiriamas eksploatavimo paprastumui, \u012franki\u0173 ar proces\u0173 keitimo efektyvumui ir bendroms kapitalo investicij\u0173 s\u0105naudoms.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-610a1d5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"610a1d5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e8f5c9a\" data-id=\"e8f5c9a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f9996e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7f9996e\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74f4185 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74f4185\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ddd904\" data-id=\"4ddd904\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dbd813e elementor-widget elementor-widget-heading\" data-id=\"dbd813e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">12. I\u0161vada: pagrindin\u0117 keturi\u0173 valc\u0173 valcavimo proceso vert\u0117<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c93f218 elementor-widget elementor-widget-text-editor\" data-id=\"c93f218\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>4 voleli\u0173 lenkimo privalumas yra ne tik papildomo darbinio volelio prid\u0117jimas; dar svarbiau, kad jis leid\u017eia atlikti i\u0161ankstin\u012f lenkim\u0105, valcavim\u0105 ir kalibravim\u0105 (apvalinim\u0105) vienoje ma\u0161inoje. Tai pasiekiama d\u0117l stabilaus vir\u0161utini\u0173 ir apatini\u0173 voleli\u0173 prispaudimo bei nepriklausomo \u0161onini\u0173 voleli\u0173 formavimo.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf7e0b4 elementor-widget elementor-widget-text-editor\" data-id=\"bf7e0b4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Gamybos po\u017ei\u016briu, keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakl\u0117s suma\u017eina plok\u0161\u010di\u0173 tvarkymo ir pakartotinio pozicionavimo poreik\u012f, pagerina cilindrinio formavimo nuoseklum\u0105 ir yra idealus pagrindas automatizuotoms valcavimo gamybos linijoms.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-deecd20 elementor-widget elementor-widget-text-editor\" data-id=\"deecd20\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Sl\u0117gini\u0173 ind\u0173, rezervuar\u0173, plieno konstrukcij\u0173, laiv\u0173 statybos ir energetikos \u012frangos gamintojams keturi\u0173 valc\u0173 plok\u0161\u010di\u0173 valcavimo stakl\u0117s ypa\u010d tinka toms sritims, kurioms reikalingas didelis gamybos efektyvumas, auk\u0161\u010diausia valcavimo kokyb\u0117 ir nuoseklus pakartojamumas tarp partij\u0173.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Turinys 4 voleli\u0173 lenkimo procesas yra pla\u010diai naudojamas metalini\u0173 plok\u0161\u010di\u0173 formavimo metodas. Jame naudojamas ma\u0161inos voleli\u0173 sukimasis, metalin\u0117s plok\u0161t\u0117s prispaudimas ir \u0161onini\u0173 voleli\u0173 vertikalus jud\u0117jimas, siekiant laipsni\u0161kai deformuoti plok\u0161\u010di\u0105 plok\u0161t\u0119 plasti\u0161kai, galiausiai suformuojant j\u0105 \u012f cilindrus, lankus, k\u016bgines dalis, [\u2026]<\/p>","protected":false},"author":1,"featured_media":6461,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-events"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>4 Roller Bending Working Principle And Equipment Features - SC Machinery<\/title>\n<meta name=\"description\" content=\"4 roller bending process is a widely used method for forming metal plates. 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