Mandrel bending is a method where a steel rod is inserted into the tubing as it is bent. ... Mandrel bending is performed by a machine such as a CNC tube bender. This bender is the ideal choice for bending thin tubing without any deformities on a tight radius and why we can offer you top of the range products.

What is a mandrel bend in exhaust?

Mandrel bending is a bending process that puts a solid steel rod into the tube while it is being bent. ... In addition, this process creates a bend without wrinkling or breaking the tube. By using this technique you can get a more precise bend.

How do you bend a pipe without a bender?

Block one end of the pipe with material, such as scrunched up newspaper or cloth. Then fill the pipe with sand—ensure that the sand is tightly compacted. Block the other end of the pipe and then heat the bend area. When it's red hot, gently bend it by hand.