Indexing device
OwnerGene F. Haas, Kurt P. Zierhutinventors
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Abstract
The invention relates to an index fixture system comprising a casting mounting, an indexing fixture which provides rotative positioning of a work held within a collet holder spindle. A worm gear and worm affixed to a synchronous stepping motor, giving a total of 28,800 index positions, controls the indexing fixture, the motor being controlled by a computer program containing a pre-computed list of motor step times.
Claims5
An indexing fixture for rotative positioning of a work comprising a casting mounting, a rotating spindle mounted in said mounting, a collet in said spindle, a worm and worm gear adapted to rotate said spindle, a synchronous stepping motor adapted to control the rotation of said worm, the motor and worm connected by a universal joint, wherein the worm and worm gear are contained in a housing, O-rings inside the housing adapted to exert pressure between the worm gear and worm gear housing.
Dependencies are inferred from the claim text.