Assembled shaft

Details Assembled shaft Assembled shaft

1991-10-11

1992-11-24

Luong, Vinh T.

Machine element or mechanism

Elements

Cams

72 58, 74568R, 123 9017, 123 906, F16H 5300

Patent

active

051653044

ABSTRACT:
An assembled shaft, especially a camshaft, gearbox shaft or crankshaft with at least one tubular member and several elements spaced thereon and fixed thereto in a force-locking way by of expansion of same in longitudinal portions, such elements being cams, gears, bearing sleeves or crank webs. The shaft can be made up of a tubular member which, while having an approximately uniform wall thickness, is provided with a reduced diameter in the region between two elements. As a result, when applying a suitable internal pressure to the entire tubular member, the portions with the larger diameter are plastically deformed relative to the drive elements to be fixed, whereas deformation of the tubular portions with the smaller diameter positioned between the drive elements is purely elastic. In an advantageous embodiment, the region between two elements has been provided with sleeves whose diameter is greater than that of the tubular member and whose ends are clamped in between the tubular member in the region with the larger diameter and the elements.

REFERENCES:
patent: 4293995 (1981-10-01), Jordan
patent: 4693138 (1987-09-01), Hughes et al.
patent: 4783838 (1988-11-01), Kanamaru et al.
patent: 4867004 (1989-09-01), Swars
patent: 4875270 (1989-10-01), Krips et al.

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