MASTERING THREAD ROLLING – ADJUST MACHINE

The last step in proper rolling is executing and adjusting after first test roll.

Step 1 – Minor Dia. and Pitch Adjustment
Loosen 3 nuts and adjust tool +/-. One witness line is .004”on Minor. Center Pitch.

Step 2- Major Adjustment-
Adjust pre-roll dia to the mean of the Major. .001” change in pre-roll dia. = Major dia. change of .003”

Step 3- Adjust chamfer
Adjust for desired result. Keep chamfer min of .010 under Min Minor. Material will “rollup about 15’. Alternative – cut after rolling.

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