Working principle of automatic pipe bender


No matter CNC pipe bending machine is set up and deployed, there are almost always conduits for oil, gas, fluid infusion, etc., and it occupies a relatively important position on the aircraft and its engines. The variety, number, and shape of various catheters have brought a lot of difficulties to the processing of catheters.
  The traditional pipe bender adopts a complete set of bending dies for bending.
  The pace of the automatic pipe bender is roughly as follows:
   1. Leave the length of the first straight section and clamp the pipe.
   2. Bending.
   3. Loosen the mold, take out the tube, and reset the mold. Check the tube shape on the inspection fixture according to the tube-shaped scale sample, and correct it.
  4. Place the tube in the mold according to the necessary shape and clamp it.
   5. Bend.
   6. Repeat step 3 until the tube is bent.
   From the general bending process, the importance of tube bending can be attributed to three fundamental actions, namely straight forwarding, spatial cornering, and bending. Of course, if you want to bend a pipe, you need some bends to help the action, such as clamping and loosening the clamp or die, and resetting the bending die. All bending actions are a combination of the affirmative sequence of these simple machine actions.
  Through a large number of practical exercises, people have mastered the discipline of action for bending pipes, so that these simple actions can be connected in a certain order and controlled to realize the mechanization and initiative of the pipe bending machine.
  Adopting numerical control technology can not only make the bending quality of the catheter have a reliable guarantee, but also greatly improve the production compliance, thus changing the outdated appearance of manual bending. However, due to the huge space and shape of the conduit, it is difficult to correctly express it with the plan drawings; and it is also quite difficult to measure the tube-scale sample, so editing the “bending step” has become the current use of CNC bending. New questions to be handled. Now, the only way to record the pipe bending step is to test the bends one by one-initial data-test the entire tube shape-correct data-and finally determine the fate of the measures. In this way, not only the target tube is scrapped, but the compliance is also very low.
In order to seek new methods and speed up programming, so as to adopt the active programming of the computer to improve the current level of CNC bending, the American Eaton Leonard Company developed and produced a computer-controlled numerical control (CNC) vector bending in 70 years. The deployment of pipe setting equipment has been widely accepted by various Western aero-engine companies over the years, which has further promoted the research on domestic active pipe bending skills.


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