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Precision Auto Parts
The scratch on the surface of the precision metal stamping how should solve?
by：Fortuna
2021-01-31
Many of precision metal stamping parts are purchasing soft materials such as copper, aluminum alloy, and the material itself is beautiful and expensive, so both in technology and cost must be controlled surface quality, and these problems, how do we solve?
When using these materials production of precision metal stamping parts, should pay attention to whether there are traces of metal slag adsorption on the material surface, lest produce scratch, burr side as the outer surface of bending, stamping parts easy to produce cracks and scratches, so when forming the burr surface should be as bending inner surface;
Die fillet radius is too small, mould parts easy to generate indentation, we need to polishing of die, increasing the die fillet radius, can effectively avoid the scratch;
At the same time, the intensive clearance cannot be too small, easy to cause thin scratches, in the process of making times check mold clearance change;
In order to make the precision metal stamping parts conform to the requirements of the precision, when the forming pressure plate, the spring on the positioning pin hole will generate indentation, such as when the design is to avoid these factors need to be taken into account.
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