Tube bending machines, commonly called tube benders, come in a lot of variety.\u00a0 Predominantly, they work electromechanically. Thanks to the latest technological developments, these machines are capable of accelerating production and improving repeatability. At the same time they are reducing the number of errors in production at every scale.<\/p>\n
The main parts of a tube bending machine are:<\/p>\n
The bend die, also known as the bend form or the radius die, is the most important part of a rotary-draw bending machine. The tube clamps to the bend die and the drawing process produces the necessary bend. The selection of die is very important, as the tube’s inside radius depends on it.<\/p>\n
The clamp die presses the tube onto the bend die. Its main purpose is to prevent the pipe from slipping.<\/p>\n
The pressure die makes sure the tube follows the bend die’s contour.<\/p>\n
A wiper die places just after the bend die. The purpose is to avoid the formation of any humps on the inside radius.<\/p>\n
During the forming process, the material turns plastic during bending. It may result in wrinkles with large deformations. Thus, adding a wiper die just after the bend die helps to smooth the surface.<\/p>\n