Seven-Roll Bar Straightening Machine
This vertical straightening machine utilizes multiple skew rolls, typically seven, to correct bends in metal bars. It includes a straightening mechanism and feeder system, along with electric control, hydraulic, pneumatic, and lubrication components.
Technical Specifications
Product Overview
High-Precision Seven-Roll Straightening
The SMV7 series utilizes an optimized complex rolling system that integrates the advantages of two-roll and traditional multiple skew roll straighteners to achieve superior precision. Equipped with a flexible load-controllable frame and Siemens-based full-digital drive systems, this machine provides constant torque and power for high-efficiency operation. Integrated PLC automation with PROFIBUS-DP connectivity allows for comprehensive process control, from feeding to unloading, ensuring consistent quality and mechanical protection.
Key Features
Technology & Controls
- Optimized quasi-double curve and deep/shallow concave rolling system
- Flexible, load-controllable double-roll pressing principle
- SIMENS full-digital DC/AC transmission with stepless speed control
- Self-adaptive (AGC) control for balanced speed and torque
- PLC system with PROFIBUS-DP field bus communications
- Hydraulic overload unloading with constant-pressure protection
Performance Specifications
Process Metrics
| Bar Diameter (mm) | Speed (m/min) | Motor Power (kW) |
|---|---|---|
| 6-20 | 10-60 | 30*2 |
| 12-60 | 10-75 | 75*2 |
| 20-80 | 10-75 | 90*2 |
| 30-100 | 10-75 | 132*2 |
| 50-150 | 10-60 | 230*2 |
| 80-200 | 10-60 | 480*2 |
| 130-250 | 10-45 | 520*2 |
