rolling machine, thread rolling machine, thread rolling die, rolling die

Process: QC of thread rolling dies-Hardness & Thread profile

After the blanks of thread rolling dies are heat treatment by TECHNO Vaccum & oil quenching furnace, we check the hardness of the rolling dies for the first step.


After the thread grinding progress (or gear grinding progress), we check the profile of the thread shapes (or gear shapes) by Profile projector or projector.


The profile report of profile projector.