The 5 major methods to reduce the unevenness of metal stamping parts and ensure product quality are things that many people are learning. Currently, the main reasons for the unevenness of metal stamping parts are mostly caused by dust or iron filings adhering to the raw materials or the appearance of the molds. This not only lowers the appearance quality of the products but also significantly reduces the productivity. So, how exactly can we avoid this problem? Next, I will summarize the following 5 major methods to reduce the unevenness of metal stamping parts.

Five major methods for reducing the concavity and convexity of stamped parts:

1. Inspection and correction of the drawing die: The drawing die needs to undergo regular inspections and maintenance to minimize the occurrence of protrusions and depressions and maintain a stable state. The common practice is to use samples to check for the bonding scratches and processing surfaces (the rounded corners of the concave die and the rounded corners of the convex die) of the edge banding ring.

2. Inspection and correction of the cutting die: The reason for the protrusions and depressions after the cutting process is that iron powder was generated during the cutting operation. Therefore, before the stamping, it is necessary to observe the iron powder to prevent the occurrence of protrusions and depressions.

3. Appropriate speed of the mechanical hand: For semi-automatic deep drawing mold production, when the deep drawing punch is in the lower mold position and the speed of the mechanical hand is very fast, burrs will fall onto the upper part of the punch, causing deformation. To avoid this problem, we can conduct a test for the removal of the workpiece before production, and reasonably set the speed of the mechanical hand and the outflow angle to ensure that it does not touch the workpiece or the lower mold.

4. Inspect the cutting section: When cutting the rolled material, the wear and damage of the cutting die will cause many tiny iron particles to adhere to the cutting edge. Therefore, before the stamping production, it is necessary to inspect the double-cutting section in the material area or on the stamping line to promptly clean the sheet material and remove the burrs.

5. Inspection of the sheet metal cleaning device:

Before the stamping production, it is necessary to simultaneously inspect and adjust the cleaning and alignment to make it possible to clean the sheet metal more effectively. This is also very necessary, and attention should also be paid to the roller gap and the quality of the cleaning oil. The detailed method is to apply red paint on a steel plate and then pass it through the cleaning alignment. Afterward, check the original shape before the red paint is removed. If the removal rate does not meet the standard, then the cleaning alignment must be inspected and adjusted. If the cleaning oil is insufficient, it must be replenished in time.

The above five methods for reducing the unevenness of the metal stamping parts have summarized the key points for ensuring product quality. Therefore, we must master these five methods to reduce the unevenness of the metal stamping parts and avoid the production of defective products as much as possible. I hope everyone can learn and master them well.