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FR Patent: FR-740,831
Procédé et appareil pour le finissage d'engrenages
A Method and Apparatus for Finishing Gear Teeth
Michigan Tool Co. - Detroit, Wayne County, MI

USPTO Classifications:

Tool Categories:
metalworking machines : gear making machines

Michigan Tool Co. - Detroit, Wayne County, MI

Not known to have been produced


Patent Dates:
Applied: Jul. 31, 1931
Granted: Jul. 28, 1932

Patent Pictures:
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"Vintage Machinery" entry for Michigan Tool Co.

An apparatus and method are provided for the thermomechanical net shape finishing of precision gear tooth surfaces by controlled deformation into the metastable austenitic condition. To this end, an arrangement of a fixed axis through-feed motion of work piece (42) and moving axes in-feed motion of two opposed rolling dies (44, 46) are utilized. By means of process control methods and architecture for accomplishing precise mechanical motions, thermal and environmental control, and timely and automatic transfer of work pieces, high strength and high accuracy gear tooth surfaces can be produced.

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