- First, fixed distance tension mechanism failed. Fixed-length tensioning mechanisms such as hooks and buckles are generally used for fixed-mold core-pulling or some secondary mold-releasing...
- 1. Clean the punch with a clean rag. 2. Check if the surface has scratches or dents. If any, remove it with oil stone. 3, timely oil rust. 4. When installing the punch, be careful not to have...