The friends who made the metal stamping parts have seen the tearing and skewing of the metal stamping parts. It is because the process is wrong or the material is inferior. In the end, the metal stamping parts will be torn and skewed. In order to find out the truth of the matter, Xiaobian found the master who made the metal stamping parts. We listened to what he said.
There are many reasons for the tearing and skewing of metal stamping parts, mainly for the following reasons:
1. Flange forming die design defects
The mold is common to a double-cavity left/right part. Because the content of this process is not only flanging, but also the shape forming content, the special part of the part is complicated, the curved surface is narrow, and the forming requirement of the concave molding core coincides with the forming surface, etc. The mold structure condition has a large forming stroke and a small pressing area.
2. The forming process parameters are not in place.
In the process of forming parts, the process requires that the die, the core and the two parts must be closely attached together, and the sheet metal is plastically deformed to form the machine when the machine slide slides down. The processing technician does not specify according to the process. It is required to adjust the machine tool pressure in time at this stage, or at the intersection of each shift, there is no mutual communication of machine pressure stability information, resulting in unstable workpiece quality.
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Label: Why do metal stamping parts appear to be torn and skewed?
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