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What Are The Operating Technical Characteristics Of The Pipe Bender? 返回首頁

The CNC Pipe Bender is mainly used for pipe laying in boilers, bridges, ships, electric power construction, highway and railway construction, etc.The CNC pipe bender is simple to operate, easy to move, and fast to install. It occupies the leading product position in the domestic pipe bender market. Extensive, so what are the technical characteristics of the CNC Pipe Bending Machine? Let's take a look with the Cold Elbow Machine Exporter.


1. Proper bending radius value

The Bending Radius of the tube of the tube bender determines the resistance of the tube during bending. -Generally speaking, a large pipe diameter and a small bending radius are prone to internal wrinkles and slippage during bending. The bending quality is difficult to guarantee. Therefore, the R value of the pipe bending die is generally 23 times the pipe diameter.


2. Regulatory regulation

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


3. Suitable mandrel and its position

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. At present, the quality of domestic pipes is difficult to guarantee if mandrels are not used for bending forming on machine tools. There are many types of mandrels, such as cylindrical mandrels, universal single-, double-, triple-, and four-ball mandrels, directional single and multi-ball mandrels, etc. In addition, the position of the mandrel also has a certain influence on the bending and forming of the pipe: theoretically, its tangent should be flush with the tangent of the pipe bending die, but after a large number of tests, it has been proved that 1 ~ 2mm in advance is better. At this time, the quality of the pipe Ideal. Of course, if the advance is too large, the so-called "goose head" phenomenon will appear on the outer wall of the curved part.


4. Moderate bending speed

The main influence of the bending forming speed on the forming quality is: too fast, it is easy to cause the flattening of the curved part of the catheter, and the roundness does not meet the requirements, causing the catheter to crack and break; too slow, it is easy to cause the catheter to wrinkle and The compression block is slippery, and the pipe with a large pipe diameter is easy to form a depression of the curved part of the pipe. For the big test on these two CNC pipe benders, it is appropriate to determine the bending speed of the pipe at 20%-40% of the maximum bending speed of the machine.


5. Standardization of bending radius

The bending radius should try to achieve "one tube--mold" and "multi-tube--mold". For a pipe, no matter how many bends and bending angles there are, there can only be one dome radius, because the pipe bender does not replace the module during the bending process, this is "one pipe, one mold". “Multi-tubes and one mold” means that the same bending radius should be used as far as possible for pipes of the same diameter, that is, the same set of modules are used to bend different shapes of pipes, which will help reduce the number of modules.


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