The function of the pipe bending mandrel and the instructions for use
Nov 23,2021
When the small bending mandrel is far from the tangent point and is in the back position, it will not be able to fully stretch the material on the outside of the bend, so the position of the mandrel will cause a great rebound, which may make the full angle smaller or possible. Increase the radius, if the radius becomes larger, you can advance to the tangent point. Adjust the settings of the mandrel. If the pipe keeps breaking, it means that the material is really too hard, and the material that is too hard cannot be fully stretched, and the completely annealed pipe can be used to solve the problem.
The so-called springback control refers to the possibility of the bend back to its original shape after being processed and formed. The rebound will decrease or increase the bending degree according to the bending radius of the bend. Generally, the smaller the bending degree, the smaller the rebound. The springback is affected by the position of the die and the pressure to have a different radius.
The pipe of the small pipe bender will be twisted or wrinkled. The reason for this may be that the material is too hard, so the inner diameter cannot be shrunk during bending. This phenomenon can be handled by inserting a mandrel.
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