Globoid worm gear speed reduction apparatus

Details Globoid worm gear speed reduction apparatus Globoid worm gear speed reduction apparatus

1990-06-20

1991-05-28

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74458, 51287, 409 38, 409 48, 409 66, 409 76, F16H 5508, B23F 1306

Patent

active

050184032

ABSTRACT:
The present invention relates to a speed reduction apparatus for globoid worm gears. The speed reduction ratio of the engaged worm globoid worm gear and worm wheel is defined as the ratio of the rate of rotation of the globoid worm gear about its axis to the rate of rotation of the worm wheel about its axis. The structure of the present invention speed reduction apparatus is defined by the distance between the axes of rotation of the worm wheel and globoid worm gear and the spacial and speed relationships between the globoid worm gear and the surfaces of the cutting tool employed to generate the worm gear.

REFERENCES:
patent: 1790608 (1931-01-01), Trbojevich
patent: 1847721 (1932-03-01), Marles
patent: 2432246 (1947-12-01), Mackmann et al.
patent: 3875635 (1975-04-01), Pavlov et al.
patent: 4047449 (1977-09-01), Popov
patent: 4184796 (1980-01-01), Sakai et al.

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