I. in the daily processing of metal stamping parts, there will be problems such as large or small punch size and large difference between punch size and punch size.

2. When the cutting edge is worn, the tensile stress of the data increases, and the tendency of turning over and distortion of the stamping parts increases. When turning over occurs, the punching dimension will be smaller.

3. The strong pressure of stamping parts on the data will cause plastic deformation of the data, which will lead to larger punching scale. When the pressure is reduced, the punch size will be smaller.

4. The shape of the blade end of the punch. If bevel or arc is made at the end, the stamping parts are not easy to turn over and distort due to the slow down of punching force.

Stamping can produce workpieces with stiffeners, ribs, bumps or flanging that are difficult to manufacture by other means to advance their rigidity. Because of the use of fine die, the precision of workpiece can reach micron level, and the repeated precision is high, and the specifications are common. In the daily production of stamping parts, such as hole and boss, the punch size is too large or too small (may exceed the specification requirements) and the difference between punch size and punch size is large. In addition to the design dimension, processing accuracy and punch clearance and other elements of forming punch and concave die, etc Besides, we should also consider the above four aspects.

With the development of science and technology, especially the development of computer technology, these common problems will be gradually overcome, less and less

Article source: Zhongshan Jinlei Electronic Technology Co., Ltdhttp://www.jinleidj.com/