Process for producing crankshafts

Details Process for producing crankshafts Process for producing crankshafts

F - Mech Eng,Light,Heat,Weapons

16

C

26/151, 74/286

F16C 3/10 (2006.01) F16C 3/14 (2006.01) F16D 1/072 (2006.01)

Patent

CA 1303877

ABSTRACT The invention relates to an assembled crank-shaft at least consisting of basic journals or main bearing- journals, carnk-webs and displacement or crank-journals and connecting rod bearing-journals respectively. It comprises a connection, produced by plastic deformation between crank-webs and bearing-journals with the ends of the bearing-journals for connecting purposes, being inserted into apertures in the crank-webs. Such a crank- shaft is produced cost-effectively and with simple means in such a way taht at the basic journals and/or crank- journals there are formed externally smooth tubular portions as connecting regions which are inserted into straight, axis-parallel or equi-axial through-bores in the crank-webs and fixed by plastic expansion in the tubular portions, with an elastic pre-tension remaining in the through-apertures.

582410

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