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Analysis of factors to be considered in the punching size problem of metal stamping parts

Views: 0     Author: hbkaishi     Publish Time: 2024-06-27      Origin: hbkaishi

Analysis of factors to be considered in the punching size problem of metal stamping parts

The problem of punching size is encountered in the process of producing metal stamping parts. It is common for the punching size to be too large or too small. In order to solve the problem of punching size of metal stamping parts, these tasks need to be considered.

1. The tensile stress on the material increases, and the tendency of the stamping parts to flip and twist increases. When flipping occurs, the punching size will tend to be smaller. The strong pressure on the material causes the material to deform, which will lead to a larger punching size. When the strong pressure is reduced, the punching size will tend to be smaller.

2. If the end is repaired with a bevel or arc, the punching part is prone to flipping and defamation due to the relief of the punching force, so the punching size will tend to be larger. When the end of the punch is flat (no bevel or arc), the punching size will tend to be relatively smaller.

3. The burrs of the punching parts during punching need to be repaired, and pay attention to whether the punching clearance is reasonable. The instability of stamping parts during bending is caused by this. Mainly for U-shaped and V-shaped bending, the key to solving the problem is to guide the stamping parts before bending, during the bending process, and to press the materials during the bending process to prevent the stamping parts from slipping during bending.


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