5 ways to reduce the unevenness of stamping parts:
1. Inspection and correction of the drawing die: The drawing die needs to be regularly inspected and maintained to reduce the occurrence of unevenness and maintain a stable state. The usual practice is to use a sample to inspect the bond scratches of the binder ring and the machined surface (concave fillet, punch fillet).
2. Inspection and correction of the shearing die: The reason for the convexity and concave after the shearing process is that iron powder is generated during the shearing process, so it is necessary to observe the iron powder before the punching to avoid the occurrence of the convexity and concave.
3. Appropriate manipulator speed: For semi-automatic drawing die production, when the drawing die is in the lower die position and the manipulator speed is fast, the burr will fall on the upper part of the punch, causing the convex and concave. In order to avoid this problem, we can make the discharge test of the part before production, and reasonably set the speed and discharge angle of the manipulator so that it does not touch the part and the lower part.
4. Check the cross-section: When the coil is cut off, the wear and damage of the cut-off mold will cause a lot of tiny iron powder to adhere to the cutting edge. Therefore, it is necessary to check the double-section section in the material area or the press line before the stamping production, and clean it at the same time. The sheet removes burrs.
5, the inspection of the sheet cleaning device: before the stamping production must be checked and trimmed at the same time to make it more efficient to clean the sheet, which is also very much needed, and also pay attention to the roller gap and the quality of the cleaning oil. The detailed method is to apply a red paint on a steel plate and then clean it up. The current shape of the red paint is removed. If the removal rate is not up to standard, it is necessary to check and trim the cleaning. When the cleaning oil is missing, it must be cut in time.
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