Quick-change tool holder with adjustment mechanism for repeatabl

Details Quick-change tool holder with adjustment mechanism for repeatabl Quick-change tool holder with adjustment mechanism for repeatabl

1992-10-07

1993-11-16

Rosenbaum, Mark

Turning

Lathe

Tool rest

407 89, B23B 2900

Patent

active

052613020

ABSTRACT:
A quick-change tool holder includes locating means for repeatably locating a cutting unit at a predetermined angular position with respect to a support member. The support member includes an axial bore for receiving a tubular shank on the cutting unit. The tubular shank of the cutting unit includes a keyway having a first locating surface along one side thereof. The clamping mechanism includes a key having a second locating surface along one side thereof. Upon actuation, the clamping mechanism imposes a torque force on the cutting unit to rotate the first locating surface on the cutting unit into abutting relationship with the second locating surface on the key to repeatably locate the cutting unit at a predetermined angular location. The torque force imposed on the cutting unit by the clamping mechanism therefore overcomes any inaccuracies in center-height adjustment attributable to the tolerance between the key and its corresponding keyway.

REFERENCES:
patent: 3877832 (1975-04-01), Benjamin
patent: 4632614 (1986-12-01), Rall et al.
patent: 4655631 (1987-04-01), Mitchell
patent: 4682521 (1987-07-01), Duenas
patent: 4692069 (1987-09-01), Kieninger
patent: 4736659 (1988-04-01), Erickson
patent: 5040932 (1991-08-01), Oshnock
patent: 5090280 (1992-02-01), Kosker

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