MACHINE TOOL AND MACHINE TOOL SPINDLE AND WORKPIECE MOUNTING-APPARATUS AND GRINDING PROCESS

A motorized spindle asembly for a grinding wheel is fabricated with an openi ng extending through the spindle casing, and stator and so as to extend in the direction of the spindle axis of rotation at least th e length of the stator. The opening is of a size, depth, configuration and disposition so...

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Bibliographische Detailangaben
Hauptverfasser:	PFLAGER, WILLIAM WOOD, METZLER, JOEL KYM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BORING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS POLISHING TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	A motorized spindle asembly for a grinding wheel is fabricated with an openi ng extending through the spindle casing, and stator and so as to extend in the direction of the spindle axis of rotation at least th e length of the stator. The opening is of a size, depth, configuration and disposition so that when the spindle assembly is utilized to grind a workpiece and to do so is moved towards the workpiece, that portions of the workpiece are received within the opening thus permitting th e spindle assembly and its grinding wheel to be moved as close as possible to the workpiece axis of rotation. The motorized spindle assembl y is carried by a wheelhead for coaction with an additional spindle assembly carrying a grinding wheel with a larger radius. The larger radius grinding wheel is utilized to rough grind cam lobes and the smaller grinding wheel is utilized to finish grind the cam lobes and to grind concave cam contours for the cam lobes.