90 degree speed reducer assembly, process, and measuring machine
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United States of America Patent
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Apr 2, 1996
Grant Date -
N/A
app pub date -
Apr 30, 1993
filing date -
Apr 30, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A method of assembling a speed reducer assembly including a housing having a front wall or side defining a bearing shoulder having an inner surface, a back wall or side defining an opening and having an outer face; a bracket having an inner surface which rests against the back wall face to close the back wall opening and defining a second bearing shoulder having an inner surface, a worm and a worm gear held in meshing contact in the housing, and front and back shims which align the center of curvature of the worm gear with the axis of the worm. The method of aligning the worm and worm gear includes the steps of predetermining the width of the shims and then assembling the speed reducer assembly. To predetermine the width of the shims, the distance from the center of curvature of the worm gear to an axially outer surface of the worm gear assembly is determined. A gauge is provided to determine this distance.
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