Power cabinet is a type of chassis cabinet, mainly used in the power industry and related industries, so it is called power cabinet. The production and processing of power cabinets strictly follow the process of sheet metal processing.
In sheet metal processing, bending is generally used to make the sheet metal have a reasonable angle, which has met the requirements of the shape. In the bending process of sheet metal processing, many problems are often encountered. Understanding these common problems and their solutions can help us achieve better work results.
1. After the sheet metal is bent, the workpiece deforms at the bending point. The reason for the deformation is that the bending speed is fast, and the hand does not keep up with the bending speed of the workpiece. The solution can be to reduce the bending speed of the sheet metal and hold the workpiece together.
When bending longer workpieces, there may be situations where the angle is larger at one end and smaller at the other. There are generally several reasons for this situation: inconsistent thickness of sheet metal materials, with one end thick and one end thin; Uneven wear of sheet metal molds with different heights at both ends; The intermediate block is unbalanced and not at the same level. The solution can be to provide feedback to the laser or NCT to pay attention to material selection; Tool changing mold; Adjust the intermediate block.
When bending the Z-shaped shape, some workpieces may deform. The main reason for this situation is that position C is positioned by the rear fixing gauge. When bending position B, the workpiece bends and rises, hitting the rear fixing gauge and being squeezed by the rear fixing gauge. After bending and forming, D is extruded and deformed. The method to solve this problem is to use the back gauge and back pull function.
Choosing appropriate bending methods and technical parameters can quickly and effectively complete bending tasks, and ensure the accuracy of workpiece angles and dimensions, providing convenience for subsequent combination processing.
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