Lathe-cutting apparatus for crankshaft and lathe-cutting...

Details Lathe-cutting apparatus for crankshaft and lathe-cutting... Lathe-cutting apparatus for crankshaft and lathe-cutting...

2005-12-13

2005-12-13

Fridie, Jr., Willmon (Department: 3722)

Turning

Lathe for crank or crank pin

C082S108000

Reexamination Certificate

active

06973861

ABSTRACT:
A lathe-cutting apparatus and a method with a structure of a chuck being simple, which are capable of lathe-cutting an eccentric part of a crankshaft with high accuracy are provided. For this purpose, the apparatus includes a supporting device (21) for supporting both end portions of a crankshaft (1), a rotational drive device (20) for rotating the crankshaft from at least one end side of the supporting device with a main journal (3) of the crankshaft as a center, and rotationally driving an eccentric part (2), a tool (31) for performing lathe-cutting of the eccentric part, and a cutting tool drive unit (30) for making a cutting edge position of the tool perform crank rotation synchronously with the rotation of the eccentric part which is rotationally driven by the rotational drive device, and performing lathe-cutting of the eccentric part.

REFERENCES:
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patent: 6322300 (2001-11-01), Santorius et al.
patent: 6506004 (2003-01-01), Kohlhase et al.
patent: 6672184 (2004-01-01), Ogawa et al.
patent: 6684500 (2004-02-01), Kohlhase et al.
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patent: 8-25103 (1996-01-01), None
patent: 2589971 (1996-12-01), None
patent: 11-90717 (1999-04-01), None

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