Dumore 858-1008 Internal & External Grinder Kit, Series 57, 1HP, 3PH

Dumore 858-1008 internal & external grinder kit, series 57, 1hp, 3ph the series 57 tool post grinders offer a complete range of spindles to accommodate a wide range of tool room and production line needs. Belt and pulley combinations provide nine different spindle speeds. The coil spring applies constant tension to compensate for belt stretch, assuring proper alignment and vibration-free grinding. The series 57 grinders are designed for lathes with 9" to 20" of swing. The interchangeable spindles allow easy change over between internal and external grinding applications. Changeovers are achieved by removing an insert and replacing it with another insert. Other spindles are available for achieving greater internal grinding depth, or for external grinding using either standard or diamond wheels.