Manufacturing: Metal Forming

Sheetmetal Forming - Tube Bending

Methods of Bending -

1. Mandrel Bending -
   
   There are various methods available to bend tubing. One method is Mandrel Bending (Rotary Draw where a mandrel supports the inside of the tube to avoid collapsing). This produces round, smooth, and wrinkle free bends with centerline radius between 1 and 5 times the outside diameter.
   
   
2. CNC Mandrel Bending -
   
   Computer Numeric Controlled (CNC) Mandrel benders give the capabilities to bend high volume multiple bend parts in much less time than it would take for a skilled operator to bend the part on a manual hydraulic bender. The speed of these machines makes them very valuable assets.
   
   
3. Roll Bending -

   We can roll bend tubing in sizes up to 2 1/2" in diameter. Roll bending allows us to form any radius larger than 4 times the diameter. Roll bending differs from Mandrel Bending in that the bend is not supported by an inside mandrel. The process is simple to set up, and allows for an infinite amount of bend radii, without re-tooling.