Flow chart: De-coiler – Leveling device — roll forming parts—Post punching device—Hydraulic cutting – stack
Purlin size:
| Machine Specifications | |
| Weight | About 34tons |
| Size | About 28m x 3.3m x 2.4m (length x width x height) |
| Color | Main color: blue |
| Warning color: yellow | |
| Suitable Raw Material | |
| Material | cold rolled coil , hot rolled coil, galvanized coil |
| Thickness | 1.0-4.5mm |
| Coil width | According to products size |
| Yield strength | 350Mpa~550Mpa |
| Main Technical Parameters | |
| Quantity of forming rollers stations | 24 Stations |
| Diameter of rollers | φ456MM |
| Diameter of shafts | φ108/φ90MM |
| Roll Forming Speed | 35m/min |
| Production Speed | 12-18m/min(depends on quantity of punching) |
| Forming rollers material | CR12 mould steel, with quenched treatment |
| Cutter material | CR12 mould steel, with quenched treatment |
| Controlling system | PLC and Converter |
| Electric power requirement | Main motor power: 18.5KW*2sets |
| Hydraulic unit motor power: 11KW | |
| Electric voltage | According to customers requirement |
Main Components:
- Hydrulic De-coiler
De-coiler Type: by automatic
Weight capacity: 10T
- Feeding and Leveling Device: It used for making the material flat before feeding into the roll forming machine.
- Pre-punching device
Punching type: by hydraulic
Punching quantity: total 3 sets cylinders 6holes. (Can be inreased by customizable)
- Pre-shearing
It used to cut raw materials before roll forming.
5.Main roll former
Driven type: By gear boxes
Speed of forming: 0-35m/min
Working Speed: 12-18m/min
Roller: About 24 groups rollers
Roller Material is Cr12 mould steel;
Shaft: Shafts of rollers are tooled by grinding machine for two times to ensure the precision of final product. Material of main shaft is 40Cr.
Changing sizes: Full-automatic (change sizes automatically by PLC control, pressing button is compatible)
Adopt fast C/Z interchanging system
Quick C/Z interchanging only with 3 steps,around 5mins.
- Hydraulic Post- cutting
No need to replace the cutting blades when purlin sizes are changed.
- Product support frame
- PLC Control System








