Aligning system and machine for a double enveloping speed reduce

Details Aligning system and machine for a double enveloping speed reduce Aligning system and machine for a double enveloping speed reduce

1996-11-07

1998-11-17

Luong, Vinh T.

Metal working

Method of mechanical manufacture

Gear making

74606R, 74425, 73162, 2940705, B23Q 1700, G01M 1302, F16H 5702

Patent

active

058360760

ABSTRACT:
A method for assembling a double enveloping speed reducer assembly includes predetermining the thickness of the shims required to properly position a worm assembly and a worm gear assembly in the speed reducer such that the double enveloping worm spiral and the worm gear mesh at their centers of curvature. By predetermining the thickness of the shims, the speed reducer can be assembled without guesswork. The shim thicknesses are determined, in part, by determining the distance the center of curvature of both the worm spiral and the worm gear to preselected surfaces of the worm assembly and worm gear assembly. The method also includes placing the speed reducer housing and at least one of the bearing brackets for both the worm assembly and the worm gear assembly in gauges to determine various dimensions of the housing and brackets. The measured dimensions are then used to calculate the appropriate shim thicknesses, the shims are placed adjacent a surface of the brackets, and the speed reducer is assembled. A gear gauge is provided for locating the center of curvature of the worm spiral and worm gear.

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