1. The stripper plate should be adjusted in case of improper punch or spool retainers of different sizes.
2. The clearance of the die is too small, leading to material seizure.
3. Inverted cone should be checked and cleaned.
4. The scrap hole in the die button and the blank holder should be consistent.
5. To check the condition of the blank.
6. The cutting edge of the punch and cutting block should remain sharp.
7. Oblique cutting edge punch can be adopted when necessary.
8. To improve lubrication condition.
9. To update worn-out spring and rubber.
10. To check the guide pins and guide bushings.
11. Parallelism error accumulates.
12.To ensure the perpendicularity of punch and guide pin mounting.
淘宝旺旺
