Gear checking machine having a frictionally driven support table

Details Gear checking machine having a frictionally driven support table Gear checking machine having a frictionally driven support table

1976-03-17

1977-05-24

Myracle, Jerry W.

Measuring and testing

Toothed gear

33DIG14, G01M 1302

Patent

active

RE0292273

ABSTRACT:
A gear checking machine for measuring the involute profile and the helical lead of a gear having a support table which is coupled to a base disc that is driven by a friction drive mechanism is disclosed. The friction drive is achieved by means of a small drive wheel which drives the large base disc which has its shaft coupled to the rotatable support table. An encoder having a small drive wheel which is frictionally driven by the large base disc is employed whereby the encoder supplies electrical output signals representative of the degree of rotation of the support table and the gear. Involute and lead checking probes are mounted so they may move in the horizontal and vertical directions, respectively, relative to the gear being checked.

REFERENCES:
patent: 2407996 (1946-09-01), Nies
patent: 2484022 (1949-10-01), Esval
patent: 2983141 (1961-05-01), Vanator
patent: 3522524 (1970-08-01), Smith et al.

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