Deformation factors of precision metal cnc parts

The performance of CNC precision machining is very important. It has a huge relationship with corporate interests and personal safety. While bringing economic benefits to the enterprise, it can also effectively reduce the occurrence of safety accidents. Therefore, in the process of precision metal processing, it is inevitable to encounter the problem of parts deformation.
The operator needs to comprehensively consider various factors and take corresponding and effective preventive measures to prevent the product from being deformed during the precision cnc machining process, so that the finished parts are consistent with the drawing requirements before they can be used normally. In order to achieve this goal, it is necessary to analyze the reasons for the deformation phenomenon in the cnc machining of mechanical parts. When precision metal cnc processing plants produce products, small mistakes by operators often lead to product deformation and affect the production efficiency of enterprises. So how to reduce the machining deformation of mechanical parts? Let's see.

Heat treatment processing: parts processing, due to various reasons, products are prone to bending after heat treatment. On the one hand, there will be a bulge phenomenon in the middle, and the plane deviation will increase. This is caused by improper operation of the operator, but this situation rarely occurs in our company; on the other hand, due to the influence of various external factors, clamping and bending will occur. These deformation problems are not only caused by the change of internal stress after heat treatment, but also because the operator's professional knowledge is not solid and the structural stability of the product is not understood, which increases the probability of parts deformation. It is also important to read the drawings accurately and carefully,

Over-tightening: When the product is processed with precision hardware cnc, it is often necessary to use auxiliary tools for clamping. In order to avoid vibration during product processing, this method is used, but there are also some cases similar to heat treatment. At this time, the clamping force is adjusted according to the position of the clamping point to maximize the contact area between the clamping and the workpiece. This treatment is much better and can reduce the deformation problems of precision metal processing.

Tool cutting: Due to the lack of rigidity of the product or tool, the upper and lower thickness of the product are deformed due to the influence of cutting force. The size of the friction resistance of the workpiece.

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