Method and apparatus for the assembly of long objects on a rotat

Details Method and apparatus for the assembly of long objects on a rotat Method and apparatus for the assembly of long objects on a rotat

1981-09-15

1983-07-19

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

192 88B, 29446, B23P 1700, B23P 1102, F16D 1900

Patent

active

043935672

ABSTRACT:
A method and apparatus for the assembly of long objects (1) such as rollers, cylinders, elongated tools, for example surface cutters, on a rotating shaft (2) with the aid of two expander bushings (3, 4), each an integral part made up of an inner wall (7) and an outer wall (8), which between them form a pressure cavity (9), which is filled with a liquid or plastic pressure medium, and where the expander bushings (3, 4) each have a flange (10) arranged to contact each end surface (11) of the long object (1) which shall be assembled. An axial hole (12) is partially drilled in the expander bushing's flange (10) from the surface turned toward the expander bushing (7, 8), and the axial hole (12) is connected via a channel (13) to the pressure cavity (9) and a corresponding axial hole (15) is led through the long object (1), whereafter the expander bushings (3, 4) are axially fastened against the long object (1), so that the expander bushings (3, 4) and the long object (1) form a hydraulically sealed complete system, wherein pressure can be applied from either of the expander bushings, or from one or several nipples on the elongated object (1).

REFERENCES:
patent: 2583117 (1952-01-01), Piperoux
patent: 2673573 (1954-03-01), Fawick
patent: 3023995 (1962-03-01), Hopkins
patent: 3035331 (1962-05-01), Wieman
patent: 3092231 (1963-06-01), Kneuss
patent: 3633493 (1972-01-01), Helminen
patent: 3722895 (1973-03-01), Mevisson
patent: 4093052 (1978-06-01), Falk
patent: 4194746 (1980-03-01), Stevens
patent: 4252328 (1981-02-01), Raj et al.
patent: 8861815 (1975-01-01), Landaeus

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