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System and method for precision machining of high hardness gear teeth and splines

Image Number 4 for United States Patent #7527548.

A gear shaper machine system drives and maneuvers a hone tool to generate teeth geometry in a manner the teeth were machined prior to a hardening process. After heat treatment, the hone tool is indexed to the teeth geometry spacing of the workpiece so as to divide the stock removal evenly between the drive and coast sides. The hone tool may be driven with rotational and reciprocating synchronous teeth generating motion in which the hone tool reciprocates along the length of the teeth parallel to the centerline of the workpiece while the workpiece and hone tool rotate with synchronous motion.

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