Drive system for a workpiece table of a machine tool

Details Drive system for a workpiece table of a machine tool Drive system for a workpiece table of a machine tool

1978-06-12

1981-09-01

Kundrat, Andrew V.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74665G, 74665GD, 74664, F16H 3706

Patent

active

042864798

ABSTRACT:
A drive system for a workpiece table of a machine tool, especially a gear cutting machine, which includes two worm wheel drives of different transmission ratio, each worm wheel drive including a worm and a worm wheel. The worms of the worm wheel drives being adapted alternately to be drivingly connected to a drive shaft. The worms of the worm wheel drives are drivingly connected to each other while the transmission ratio of this transmission connection of the two worms equals the reciprocal transmission ratio of the worm wheel drives with regard to each other. The worm wheels of both worm wheel drives which are rotated in the same direction and at equal speed which latter depends on the respective coupled worm wheel drive, are coupled to each other as well as to the workpiece table.

REFERENCES:
patent: 2163035 (1939-06-01), Grupe
patent: 2195911 (1940-04-01), Zimmermann
patent: 2474726 (1949-06-01), De La Source
patent: 2615679 (1952-10-01), Menhall
patent: 3088334 (1963-05-01), Richardson
patent: 3191454 (1965-06-01), Holzer

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