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Document Type and Number:
Japanese Patent JPH0465729
Kind Code:
B2
Abstract:
The camshaft is mfd. from a tube (1) which is expanded radially at points along its length to receive the cams, driving gear, and bearing bushes. The material of the tube is plastically deformed in the regions of radial expansion and the dia. resulting from this expansion is such that the bore of the cam, gear or bush, is elastically deformed when fitted on the tube to form the camshaft. The tube expansion operation is carried out without applying heat so that the material strength is unaffected.

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Inventors:
BREUER HANS-JUERGEN (DE)
MAUS WOLFGANG (DE)
SCHULZE RUDOLF (DE)
SWARS HELMUT (DE)
HANSWILLEMENKE HANS (DE)
RIEMSCHEID HELMUT (DE)
WEISS KARL (DE)
FRIELINGSDORF HERBERT (DE)
SCHWARZ ENGELBERT (DE)
GREWE HERIBERT (DE)
GREULICH KLAUS (DE)
Application Number:
JP22864887A
Publication Date:
October 21, 1992
Filing Date:
September 14, 1987
Export Citation:
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Assignee:
EMITEC EMISSIONSTECHNOLOGIE (DE)
International Classes:
F16B4/00; B21D26/033; B21D39/04; B21D39/06; B21D53/84; B23P11/00; F16C3/00; F16C3/02



 
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