In order to improve the use efficiency of bolts, we will surface treatment, but in the production of bolt surface treatment, upsetting and rolling are prone to some bad phenomena. For this reason, let's summarize the common bad phenomena and factors of bolt rolling. .
1. Processing cracks: the tooth plate is worn out and improperly adjusted.
2. Blunt tail: improper adjustment, the tooth plate is too old.
3. Burning: The distance between the two tooth plates is too large, or the feeding time is wrong.
4. Crooked tail: The control screw on the tooth plate seat is too tight.
5. Broken tail: tooth plate wear and improper adjustment.
6. Asan is not full: improper adjustment.
7. The tail teeth are not rubbed to the tip of the tail.
8. Crooked rod: The correction block is not corrected.
9. The bottom of the tooth is rough: the tooth spacing is not adjusted properly.