All About Pipe Bending Machine

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What Is Pipe Bending Machine?

A Pipe Bending Machine is a type of Machine that is constructed to roll and bent the hallow pipes and even the sections (the sections are the thick and long metals that have square or rectangular shapes) too. The Pipe Bending Machine is also called Manual Pipe Bending Machine or Section Bending Machine whereas; the sections also can be used to bent.

 

The type of material that can be used to bend on the manual pipe bending machine is Stainless Steel and Cast Iron. Usually, the rolled or bent pipes are used for handlers, pressure operators; they are also used in many engineering services.

 pipe bending machine

Important Technical Features 

1. Tube regulation

When designing and arranging pipes, avoid excessive arcs, arbitrary curves, compound bends, and arcs greater than 180°. The excessively large arc not only makes the mold bulky, but also is limited by the size of the machine tool; the design of arbitrary curves and compound bending is very unreasonable, which greatly hinders mechanization and automated production, and makes it difficult for operators to get rid of heavy manual labor. Moreover, the arc greater than 180° makes the bending machine unable to unload the mold.

 

2. Bending radius standardization

When you use a single-layer mold pipe bender, the bending radius should be as much as possible to achieve "one pipe, one mold" and "multiple pipes, one mold". Regarding a tube, no matter how many bends and the bending angle, there can only be one bending radius, because the module is not replaced during the bending process, this is "one tube, one mold". "Multi-tubes and one mold" means that the same bending radius should be used as much as possible for tubes of the same diameter, that is, the same set of modules are used to bend different shapes of tubes, which will help reduce the number of modules.

If you choose a multi-layer mold tube bender, you can have multiple different bending radii on the same pipe. There is no need to worry about the above issues.

 

3. Appropriate bending radius value

The bending radius of the catheter determines the resistance of the catheter during bending. Generally speaking, a large pipe diameter and a small bending radius are prone to internal wrinkles and slippage during bending, and the bending quality is difficult to guarantee. Therefore, it is most appropriate to choose the central line radius value of the pipe bending die to be 2 or 3 times the pipe diameter.

 

4. Moderate bending speed

The main influence of the bending forming speed on the forming quality is: too fast speed will easily cause the flattening of the bent part of the catheter, and the roundness will not meet the requirements, causing the catheter to tear or break. If the speed is too slow, it is easy to cause wrinkling of the catheter and slippage of the compression block, and a pipe with a large diameter is likely to cause the bending of the catheter to sink. For a large number of tests on these two CNCs, it is appropriate to determine the bending speed of the catheter to be 20%-40% of the maximum bending speed of the machine.

 

5. Suitable mandrel and its location

The core rod mainly plays the role of supporting the inner wall of the bending radius of the catheter to prevent its deformation during the bending process. There are many types of core rods, such as cylindrical core rods, universal single, double, triple, and four ball head core rods, directional single and multiple ball head core rods, etc. In addition, the position of the mandrel also has a certain influence on the bending of the catheter. Theoretically, its tangent line should be flush with the tangent line of the pipe bending die, but a large number of experiments have proved that it is better to be 1~2mm in advance, and the quality of the pipe bending is ideal at this time.

 pipe bending machine

Applications Of Pipe Bending Machine:

The applications of pipe bending machine (or section bending machine or manual bending machine) are

· 1. The applications of pipe bending machine (or section bending machine) is mostly observed in engineering workshops.

· 2. The manual bending machine is used for bending the construction components.

· 3. It is used in railway applications, bridges, boilers constructions, and ship constructions.

· 4. The applications of pipe bending machines can be used for decorative components also.


If any inquiry about pipe bending machine, please feel free to contact us!

 

 

 


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