Tube Bending Machines
Criterion offers a wide range of Tube Bending Machines with capacities from 1/4" - 4" [6mm -100mm] diameter.
We offer CNC Rotary Draw Tube Bending Machines, Twin Head Tube Bending Machines [both CNC and non-CNC], CNC Twin Head Rotary Draw Tube Benders, and Multiple Station Tube Benders.
Criterion will assist you in determining the correct type of tube bending machine for your application.
The following is a brief outline of the basic process differences between Rotary Draw and Compression Tube Bending Machines.
Rotary Draw vs. Compression Tube Bending Machines
The following chart compares rotary draw vs. compression tube bending methods.
| |
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 | n/a | Many |
| Relative Cost | | Lower Cost |
|
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