Condition: Problem Indicators on Thread Roll Dies

 

Regular Periodic Breaking of the Threads On Dies:

1. Dies may be out-of-match.

 

Top Edge Chipping:

1. Die Relief may not be deep enough.

2. There may be too much Taper in the Die adjustment.

 

Breaking of the Threads on the FINISH END of the Thread Dies:

1. The Die Point Angle may too narrow on the blanks.

 

Unusual Wear of the START END of the Thread Dies:

1. Start End Squeeze may be excessive.

 

Material Build-up on the Thread Dies:

1. Coolant may not be sufficient on the Dies.

2. Redirect Coolant flow.

3. Check for clogged or broken Coolant Lines.