Rotary-Draw Vs. Compression Tube-Bending Machines
The following chart is a brief outline of the basic differences between Rotary-Draw and Compression Tube-Bending Machines.
| |
Rotary Draw |
Compression |
| Mandrel Bending |
Yes |
No |
| Empty Bending |
Yes |
Yes |
| Twin-Head Bending |
Yes |
Yes |
| Bend Flexibility |
Most Flexible |
Less Flexible |
| Bending Speed |
|
Fastest With Twin Bending |
| Tube Movement |
Moves During Bend |
Stationary During Bend |
| Integration with other Tube-Fabrication Processes |
Complex |
More Flexible |
| Direction of Bend Material Stretch |
Towards End Of Part |
Towards Front Of Part |
| Bender Mounting Options |
|
Many |
| Relative Cost |
|
Lower Cost |
