Importance

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Abstract

A grinding and finishing apparatus for mechanically working a workpiece by grinding and finishing process is desclosed. The apparatus comprises a workpiece carrying shaft for carrying a workpiece so as to rotatively drive or rotate it about its axis, a tool carrying shaft for carrying a tool on the same axis at that of the workpiece shaft and constituted so as to be capable of rotating and driving through a drive means, thereby grinding and finishing the workpiece to be worked by rotating the workpiece and the tool with each other, a mechanism for swinging the workpiece carrying shaft or the tool carrying shaft about an axis perpendicular to an axis thereof, a mechanism for translating the workpiece carrying shaft or the tool carrying shaft in the direction perpendicularly to an axis thereof in a plane including respective center lines of the both shafts, a mechanism for rectilinneally moving holders for the workpiece shaft and the tool shaft in its axial direction in accordance with the movement thereof, and a control unit for controlling the movement of the respective shafts and the holders.

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First Claim