Hydraulic chucking device in a hobbing machine

Details Hydraulic chucking device in a hobbing machine Hydraulic chucking device in a hobbing machine

1977-01-26

1978-10-10

Weidenfeld, Gil

Chucks or sockets

Radially reciprocating jaws

279 4, 91358R, 92106, B23B 3130, B23G 2306

Patent

active

041190130

ABSTRACT:
A hydraulic drive mechanism for a chucking device on a workpiece spindle on a gear hobbing machine. A chucking piston is movable back-and-forth in the chucking cylinder and rotates with the workpiece spindle. Pressure medium is fed through a nonrotating supply member, for example, a connecting sleeve. The chucking cylinder is secured to the face plate so that the cylinder end plate which seals off the connecting piece forms a planar surface with the surface of the face plate. Pressure medium is supplied to the chucking cylinder through flexible hoses.

REFERENCES:
patent: 2568092 (1951-09-01), Sloan et al.
patent: 2812186 (1957-11-01), Carlsen et al.
patent: 3501159 (1970-03-01), Scharfen

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