The good quality of thread rolling die needed the superior tool steel as element and raw material. We choose the named tool steel SKD11 (JIS), 1.2379 (DIN) the raw material after threaded by Heating department with vacuum and oil heat treatment hardening furnace will render thread rolling die high rigidity and high wear-resistance. The thread rolling time from by the SWIS REIHSAUER thread grinding machine, and final with the progress of tempering to reduce grinding stress. After the examination by profile projector, the rollers are sold to the customers.
The thread grinding progress - by Swiss Reishauer thread grinding machine
Specifications:
Outside diameter
Max 300mm
Pitch
0.4~10P (60~2 122 TPI)
Length
Max: 400mm
Pressure Angle
10 ~ 45 degrees
Helix angle
+/-40 degrees
Moudle
0.2~2.0
Features:
1. In-feed/Plunge type
When the thread length is shorter then the length of thread rolling dies.
2. Thru-feed type -
When the thread length is longer then the length of thread rolling die
2.1 Annular ring type
The movement of the rollers are forwarding and backwarding while relace the new blanks
2.2 Continuous rolling type
No movement of forwarding and backwarding for thread rolling which is suitable for headless screw or round rod bar
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