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An electric pipe bending machine, also known as an electric tube bending machine, is a machine that is used to bend the pipes or tubes in order to achieve the required geometries of the final products, which would be applied to various fields afterward.
An electric pipe bending machine, also known as an electric tube bending machine, is a machine that is used to bend the pipes or tubes in order to achieve the required geometries of the final products, which would be applied to various fields afterward. A pipe or a tube is a long cylinder with a hollow interior, which can be a piece of the component in a machine or device, such as the exhaust pipes of the cars, or the main necessity in a system, such as the plumbing system.
Depending on the application of the pipes or tubes, these pipes or tubes come in different materials, such as steel, aluminum, or other metals. In addition, based on the applications, the sizes of the pipes or tubes may vary as well. For the purpose of applying these pipes in the related applications, these pipes should be bent in order to accommodate the space where the applications are in or make them easier to be attached to the applications.
The bending of the pipes can be achieved either manually by the operators or automatically by the pipe bending machines. The former method was adopted in the past, which is difficult work and relatively less efficient since it takes a lot of time and effort. However, the latter is more commonly applied nowadays, as with a pipe bending machine, the bent pipes can meet the accuracy and versatility at the same time. Moreover, bending the pipes with a machine reduces the working time and increases the efficiency of the work. The device that is used to automatically bend the pipes is called the electric pipe bending machine. This means that the machine is operated by electric power. With the electric power being transformed into kinetic power and drives the components, the pipe bending work can be achieved more easily.
For pursuing the optimal precision of the pipe bending works, the electric pipe bending machine would even be combined with the CNC system, which follows the programs that are designed from the computer, and is operated by the maneuver of the computer as well. The CNC electric pipe bending machine performs better in customizing the products for the customers since the process and outcome can be presented on the computer before the pipe bending work is conducted.
An electric pipe bending machine consists of a bend die, a wiper die, a mandrel, a clamp die, and pressure die. With the interaction of each component, the pipe bending work can meet the accuracy and smoothness at the same time.
The bend die, also known as the bend form, or radius die, is used to form the configuration of the pipe. The bend die determines the form of the pipe, and thus there would be a variety of forms of the bend dies provided, so as to accommodate the requirements of the final products. The bend die is the most vital component in the electric pipe bending machine since whether the choice of the bend die is appropriate or not may result in the success or failure of the pipe bending work.
The wiper die is mounted beside the bend die, which is used to conduct the next step after the bending of the pipe. It prevents the inside radius of the pipe that is bent from occurring wrinkles or humps or plays the role in smoothing the surface of the inside radius of the pipe. The wiper die can be made of steel or aluminum. The former is applied for pipes that are made of copper, aluminum, or bronze, while the latter serves for the pipes that are made of stainless steel, titanium, or Inconel.
When the bending of the pipe is conducted, the mandrel would be set on the inside radius of the pipes, which acts as the assistance for equally controlling the thickness of the inside wall and the outside wall of the pipes. If there is no mandrel on the electric pipe bending machine, after the pipe is bent, the outside radius of the pipe would become thinner, which may result in collapsing as the curve of the bend becomes more obvious. There are various materials that can be used to produce mandrels, such as steel, chrome, aluminum, or bronze, which allow these mandrels to be applied for the pipes that are made of steel, copper, aluminum, bronze, stainless steel, titanium, or Inconel.
The clamp die, as the name implies, is used to clamp the pipe that is supposed to be bent, in order to hold the pipe in place and prevent it from slipping off.
The pressure die works after the clamp die grips the pipe, which provides pressure to push the pipe to the bend die for the following bending work.
:: Read more: Need an electric pipe bender?
Since the electric pipe bending machine is capable of bending the pipes that are made of a variety of metals, such as stainless steel, aluminum, copper, titanium, bronze, or Inconel, etc., the applications of this machine are as many as well. The applications of the electric pipe bending machine can be the components in the automotive, aerospace, railway, and shipbuilding industries. In addition, the pipes that the electric pipe bending machine produces are also widely applied for the HVAC systems, such as air conditioners or heating systems.
:: Read more: Let’s Talk About The Different Types of CNC Pipe Bending Machines
When using the electric pipe bending machine, there are some factors to be considered, since these factors may influence the success or failure of the bending work. This requires some calculations, which have something to do with the materials that are supposed to be bent. One of them is about the yield strength and the tensile strength of the material. For the machining of the metal, the yield strength, which is how much bending force that the metal is able to withstand, and the tensile strength, which is the maximum pressure that the metal can receive when being bent before breaking.
When comparing these two factors, we can get the elongation value of the material. The bigger the variation between the yield strength and the tensile strength, the larger the number of the elongation value. If the elongation value of a material is big, it means that the radius of the pipe that the electric pipe bending machine can bend can be at a wider range. Therefore, when using the electric pipe bending machine, in addition to choosing the right bend die for the required geometry of the final product, choosing the material that meets the standard about what the machine is capable of achieving is another important thing to be considered as well.
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