Precision Hardened Tool Steel Chuck System -Pneumatic Operated Quick Action 2 X 3 Ball Precision Chuck driven by large, heavy duty variable speed gear motor. The 2 X 3 ball chuck allows a wide range of valve stem diameters to be ground without changing any parts - no collets or wrenches! The 2 X 3 ball chuck gives extremely accurate run-out for improved sealing, better heat transfer and reduces mechanical stresses on valves.
3 Phase Grinding Wheel Motor - Single Phase power supply is converted to 3 phase to give smooth grinding without any vibrations.
Turcite Coated Slideways - Low Friction for smooth stroking of Grinding Wheel over Valve.