Patent ID: 6409578
Filing Date: 2002-06-25
Classification: B24B

Abstract:
An improved method of grinding the bore of a rotary spindle, said bore having a taper, to true said bore while the spindle rotates about a spindle axis, the steps that include:a) providing a support attachable to a base associated with said spindle, b) providing an angled slide on said support, the slide being movable endwise relative to said spindle and at a predetermined angle to said axis, said angle corresponding to spindle bore taper, c) providing a rotary grinder on said angled slide to be movable endwise while the grinder rotates, d) bodily adjusting said spindle to bring said spindle bore into position to be ground by said grinder as the grinder is moved on said angled slide relative to the bore, and as the spindle rotates, e) operating said grinder to grind said tapered bore as the spindle is rotated and as said angled slide is moved endwise at said predetermined angle.