Abrading – Machine – Rotary reciprocating tool
Patent
1997-12-17
1999-10-19
Eley, Timothy V.
Abrading
Machine
Rotary reciprocating tool
451 47, 451219, 451253, B24B 1900
Patent
active
059678836
ABSTRACT:
Coriolis motion gears can be produced in a mass-production manner and in low cost as follows: A ceiling surface of a body 8 is formed into a rotary table 9 and a drive shaft 11 is projected from a center of the rotary table. A slant portion 11a is formed at its end, and a turntable 12 on which a workpiece 13 is mounted is supported rotatably to the slant portion. The turntable 12 is rotated by the tooth number difference between the Coriolis motion gear pair A.sub.1 ' and A.sub.2 ' per one turn of the drive shaft 11 to determine a working position of the workpiece. Also, the workpiece 13 is maintained on the turntable 12 so that a swivel center P.sub.1 of the Coriolis motion gear pair is identical with a swivel center when the workpiece is installed into a gear device to take a Coriolis motion. As a result, the work surface of the workpiece takes a moving locus of the Coriolis motion gears integral with the turntable 12. When a cutter wheel 18 is moved in a direction of a tooth in synchronism with the turntable, the cutter wheel 18 is brought into contact therewith so that the gear that forms the couple with the workpiece is engaged with the working surface of the workpiece to form a desired tooth shape.
REFERENCES:
patent: 4780990 (1988-11-01), Cody, Jr.
patent: 4799337 (1989-01-01), Kotthaus
patent: 5800103 (1998-09-01), Stadtfeld et al.
patent: 5823857 (1998-10-01), Tan
Nikkei Mechanical, Oct. 28, 1996, No. 492, pp. 12-13.
Eley Timothy V.
Namu Co., Ltd.
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