Needle punch、Double section thimble、Mould Manager、Die pin、Flat thimble supplier

1. The material of the punch is not right. Change the material of the punch and adjust the hardness of the heat treatment;

2. Due to uneven force, the punching punch is broken on one side, and the fixing or feeding device is adjusted;

3. The material does not meet the requirements, resulting in poor angle and dimensional deviation. Change material or readjust clearance;

4. The edge of the punch is not sharp. Regrinding the cutting edge;

5. The punch is not fixed well and moves up and down. Fix the punch again to prevent it from moving up and down;

6. The mold is not adjusted in place, resulting in angle error and dimensional deviation. Poor adjustment of closing height or poor angle difference;

7. The closing height is too low, and the punch cuts into the knife edge too long. Adjust the closing height so that the length of the punch edge is appropriate;

8. The angle error and dimension deviation are caused by the failure of the punch die. Poor adjustment of closing height or poor angle difference;

9. The cutting edge is blocked by the waste of the lower die, resulting in the fracture of the punch. Re drill large blanking hole to make blanking smooth;

10. The height of the folding knife is not enough, and the bending punch is too short to fit into the folding knife. Increase the height of the folding knife, resulting in many bad angles, so that the bending punch can fit into the folding knife as much as possible;

11. The bending speed is too fast, resulting in bending root deformation. Adjust the speed ratio control and select the reasonable speed;

12. The structure is not reasonable, when the folding knife is not inserted into the fixed template for stamping, the gap becomes larger. Re milling groove, insert the folding knife into the template;

13. There is no r angle in the forming process of punch. In the angle and other normal conditions, the R angle should be fixed.