No. 3 1/2 TRSB Stationary Head
Diameter range of 1/4" - 7/16" (1.0 - 1.75 ISO)
For application where the part rotates and the threading tool is stationary.
Non-revolving heads are ideal for turret lathes, hand and automatic screw machines, and other stationary tool applications.
Automatic opening of the TRSB Stationary Head is affected by interrupting the forward travel of the machine slide or carriage. Reset is done manually by handle or by cam.
Three hardened driving pins, mounted in the adjusting ring, secure the head in the closed position. As the head pulls off, the driving pins withdraw from the closing ring which is under spring
tension.
Specifications:
No. 3 1/2 TRSB Stationary Head
No. 3 1/2 TRRB Revolving Head
A tool used on live spindle machines.
Revolving heads are ideal for bar automatics and other live spindle machines, and for tapping, drilling, and threading machines.
Opening action of the TRRB Revolving Head is affected by interrupting the forward travel of the operating yoke. The yoke is also used to reset the head.
Three hardened conical closing pins, mounted in the adjusting ring, engage the closing ring to lock the head closed.
Specifications:
No. 3 1/2 TRRB
Revolving Head
