Table of Contents
SC WSK 300t 4500 CNC press brake EL15T 4+1axis is a medium-to-large-sized, high-precision CNC hydraulic bending machine. It is primarily designed for processing medium-thick plates, large-sized workpieces, and high-precision sheet metal parts.
The machine adopts electro-hydraulic servo synchronous control technology. The CNC system precisely controls the slider, back gauge, and worktable compensation system, achieving high-efficiency and high-precision bending processing. This type of equipment is widely used in industries such as steel structures, construction machinery, power equipment, rail transportation, shipbuilding, pressure vessels, building curtain walls, and large chassis/cabinet manufacturing.
1. Main Technical Parameters Of SC WSK 300T 4500 CNC Press Brake For Sale
Item | Parameters |
Nominal Pressure | 300 tons |
Bending Length | 4500mm |
Number of Control Axes | 4+1 axes |
Control System | EL15T |
Main Drive Method | Electro-hydraulic servo synchronization |
Back Gauge Axe | X-axis, R-axis |
Slider Synchronous Axe | Y1, Y2 |
Table Compensation | V-axis mechanical compensation |
Frame Structure | Integral steel plate welding |
Applicable Sheet Metal | Carbon steel, stainless steel, aluminum plate, high-strength plate |
Programming Method | Graphical programming, automatic programming |
2. SC Press Brake Machine Frame Structural Features
1) Integral Welded Frame
The machine frame adopts a high-quality steel plate integral welded structure, which is subjected to vibration aging treatment or annealing treatment to eliminate welding stress.
Advantages:
- High overall rigidity
- Strong resistance to deformation
- Stable accuracy over long-term use
- Suitable for heavy-duty continuous production
For a 4500mm long worktable, the frame strength directly determines the bending accuracy and equipment lifespan.
2) Electro-hydraulic Servo Synchronization System
The system uses an electro-hydraulic proportional servo valve to control the synchronous operation of dual hydraulic cylinders.
System Composition:
- Dual hydraulic cylinders
- Electro-hydraulic proportional servo valve
- Linear ruler feedback system
- CNC control system
- Forming a fully closed-loop control
Features:
- High slider synchronization accuracy
- Good bending angle consistency
- High repeatability
- Strong resistance to off-center loads
3. Introduction To SC EL15T CNC System
The EL15T is one of the current high-performance, cost-effective bending machine control systems in China.
Main Functions
Graphical Programming
Supports:
- 2D graphical programming
- Workpiece unfolding calculation
- Automatic bending process generation
- Mold library management
Users can complete program creation without complex calculations.
Automatic Calculation Function
The system automatically calculates:
- Bending sequence
- Bending pressure
- Opening height
- Back gauge position
- Compensation amount
Significantly reduces the technical threshold for operators.
Mold Database
Supports:
- Upper mold management
- Lower mold management
- Multi-station mold management
- Process call
Can store a large number of mold parameters, enabling rapid mold changeover production.
Network Communication Function
Supports:
- USB import/export
- Ethernet communication
- Data backup
- Remote maintenance
Facilitates digital production management for enterprises.
4. Core Advantages of WSK CNC Press Brake
Advantage 1: High Tonnage Processing Capacity
300 tons of pressure can process:
- 6~16mm carbon steel plate
- 4~12mm stainless steel plate
- High-strength steel plate
Specific capacity depends on the mold V-groove and bending length.
Advantage 2: Processing of Extra-Long Workpieces
A working length of 4500mm can complete the one-time forming of large products such as: power distribution cabinets, electrical control cabinets, curtain wall panels, steel structure components, elevator door panels, etc. Avoiding secondary splicing.
Advantage 3: High-Precision Production
Configuration: Grating ruler feedback, electro-hydraulic synchronization, CNC closed-loop control
Ensures: Consistent angles, consistent dimensions, and high consistency in batch products.
Advantage 4: Energy Saving and Environmentally Friendly
Compared to traditional hydraulic bending machines, the servo drive system:
Energy saving of 30%~60%, lower oil temperature, lower noise, and longer service life. Particularly suitable for long-term continuous production.
5. Applicable Industry Analysis
- Steel Structure Industry
H-beam connecting plates, support plates, stiffening plates, steel beam accessories
- Power Equipment Industry
High and low voltage switchgear, distribution cabinets, control cabinets
- Building Curtain Wall Industry
Aluminum curtain wall panels, decorative panels, column cladding panels
- Construction Machinery Industry
Excavator structural components, loader parts, frame components
- Elevator Manufacturing Industry
Door panels, car panels, frame structures
SC 300t 4500Â CNC Press Brake WSKÂ adopts a single-servo pump-controlled energy-saving architecture, equipped with 4+1 axis precision control and an EL15T touchscreen system. It balances long workpiece processing capability, bending angle consistency, and batch production efficiency, making it suitable for processing medium-thick plates, long plates, and high-precision structural components.
In the fields of steel structures, engineering machinery, power equipment, rail transportation, chassis and cabinets, metal construction, and heavy equipment manufacturing, product sizes are increasing, precision requirements are rising, and delivery cycles are shortening. Traditional bending equipment can no longer meet the demands of modern production.
The WSK-300T/4500 CNC hydraulic press brake machine with EL15T 4+1 axes is specifically designed for high-precision bending of medium and large workpieces. It integrates advanced electro-hydraulic servo synchronization technology, an intelligent CNC system, and a high-rigidity machine body structure, achieving:
✓ Higher precision
✓ Faster production efficiency
✓ Lower energy consumption costs
✓ More stable processing quality
Making every bend precise and controllable, and maximizing the value of every sheet of material.




