电力机柜是机箱机柜的一种，主要用于电力行业和与此相关的，所以被称之为电力机柜。电力机柜的生产加工完全按照钣金加工的工艺流程操作。
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.
在钣金加工中，一般通过折弯来使板材具有合理的角度，已达到造型的需求。在钣金加工折弯过程中，常常遇到许多问题，了解这些常见的问题及其处理办法，可以帮助我们达到更好的工作效果。
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.钣金折弯后工件在折弯处变形，产生的原因是出现变形的原因是折弯速度快，而手没有跟上工件折弯的速度导致的。解决办法可以采用降低钣金折弯速度，手扶工件与工件一同进行。
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.
2.折弯较长的工件时会出现角度一头大一头小的情况。出现这种情况的原因一般有以下几种：钣金材料厚度不一致,一端厚一端薄；钣金模具磨损不均,两端高度不同；中间块不平衡,不在同一水平上。解决的办法可采用反馈给激光或NCT,让其留意选料；换刀模；调整中间块。
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.
3.在折弯Z字型时，某些工件会变形。出现这种情况首要是因为C处为后定规定位，折弯B处时，工件折曲上升运动，撞在后定规上，被后定规挤住。折弯成型后，D处就被挤变形。解决这个问题的方法就是采用后定规后拉功用。
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.
选择合适的折弯方法和技术参数能够又快又好的完成折弯任务，并能保证工件角度和尺寸的精度，为后续的组合加工提供方便。
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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