Chucking device for accurate mutual fixation of two members

Details Chucking device for accurate mutual fixation of two members Chucking device for accurate mutual fixation of two members

1996-07-10

1998-06-23

Bishop, Steven C.

Chucks or sockets

Expanding

Fluid-pressure actuator

279 403, 269 481, 403 5, B23B 3140

Patent

active

057694877

ABSTRACT:
A chucking device for accurate mutual fixation of disk-shaped parts or rotationally symmetrical parts. The device has a chucking element that engages with members in a form-fitting manner and has an expansion sleeve that together with the chucking element forms the border of a pressure chamber filled with an incompressible medium. Due to a relative axial movement between the chucking element and the expansion sleeve, the medium enclosed in the pressure chamber is pressed against the wall of the expansion sleeve, which thus comes in pressure contact with the corresponding peripheral surfaces of the two members.

REFERENCES:
patent: 2963298 (1960-12-01), Better et al.
patent: 3130978 (1964-04-01), Van Roojen
patent: 3760652 (1973-09-01), Joyard et al.
Seegraber et al., Dehnspanntechnik--die .mu.-genaue Alternative, pp. 609, 610, 613, 614, Werkstatt und Betrieb 127 (1994).
Fritz Schunk GmbH, Hydraulic Expansion Chuck, Technical description, 9 pages May, 1990.

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