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Patent Searching and Data


Title:
METHOD FOR PRODUCTION OF A CRANKSHAFT
Document Type and Number:
WIPO Patent Application WO2002055241
Kind Code:
A3
Abstract:
The invention relates to a method for production of a crankshaft (10) for an internal combustion engine, comprising a cylindrical part at the front axial end (18) and a cylindrical part at the rear axial end (20) which are coaxial. The method comprises an initial stage wherein the axial ends of the raw crankshaft (10) are machined, at least one intermediary stage wherein the crankshaft (10) under production, or the semi-finished crankshaft (10), is mounted on a tool and a final stage of finishing operations on the semi-finished crankshaft (10), to give the finished crankshaft (10). Said method is characterised by the fact that during the initial stage a temporary end piece (40, 42) is provided at at least one axial end of the raw crankshaft (10) and during the final stage the item forming each temporary end piece (40, 42) is removed.

Inventors:
PIERRE JACKIE (FR)
TOURNEROCHE CLAUDE (FR)
Application Number:
FR0200020W
Publication Date:
September 26, 2002
Filing Date:
January 04, 2002
Export Citation:
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Assignee:
RENAULT (FR)
PIERRE JACKIE (FR)
TOURNEROCHE CLAUDE (FR)
International Classes:
B23B5/18; B23C3/06; (IPC1-7): B23B5/18; B23C3/06; B24B5/42
Foreign References:
US5408906A1995-04-25
FR2761129A11998-09-25
US6071049A2000-06-06
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