90 degree speed reducer assembly, process, and measuring machine

Details 90 degree speed reducer assembly, process, and measuring machine 90 degree speed reducer assembly, process, and measuring machine

1995-10-19

1997-06-03

Cuchlinski, Jr., William A.

Measuring and testing

Toothed gear

G01M 1302

Patent

active

056343710

ABSTRACT:
A method of determining the distance L1 from the center of curvature of a worm gear to an axially outer surface of a worm gear assembly which includes the worm gear is provided. By determining this distance, the size of shims needed to assemble a speed reducer including the worm gear assembly and an associated worm can be calculated prior to assembly of the speed reducer. The distance L1 is measured by placing the worm in meshing contact with said worm gear in a gauge, moving the worm gear relative to said worm, determining the distance L1 between the axial outer surface when said worm is at a minimum vertical position, measuring the distance (L) between said axial outer surface and a corresponding second axial outer surface of said worm gear to obtain the distance L1.

REFERENCES:
patent: 3064809 (1962-11-01), Anthony et al.
patent: 3708857 (1973-01-01), Pfeiffer
patent: 4020715 (1977-05-01), Sollars
patent: 4261218 (1981-04-01), Eagan, Sr.
patent: 4951519 (1990-08-01), Ohtsuka

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