Apparatus and method for centering a workpiece on a machine...

Gear cutting – milling – or planing – Milling – Work support

Reexamination Certificate

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C409S242000, C082S148000, C029S02700R

Reexamination Certificate

active

10829809

ABSTRACT:
An apparatus is provided for centering a workpiece on a machine tool that includes first and second guide plates having respective first and second aligned bores therein for supporting a centering pin mounted therein for axial movement between a retracted position and a use position. The centering pin cooperates with a workpiece such as a fan rotor blade of a turbine engine for positioning the workpiece in a predetermined position relative to a metal shaping operation to be carried out by the machine on the workpiece. At least one spring cooperates with the centering pin for exerting a predetermined axial bias for urging the centering pin into the use position. A lock locks the centering pin in the use position.

REFERENCES:
patent: 3797175 (1974-03-01), Nicolaus et al.
patent: 3810310 (1974-05-01), Morgan
patent: 4033210 (1977-07-01), Swenson
patent: 6068541 (2000-05-01), Dwyer
patent: 6607114 (2003-08-01), Reser et al.
patent: 6827631 (2004-12-01), Tomotaki et al.
patent: 2003/0232584 (2003-12-01), Tomotaki et al.
patent: 2055641 (1981-03-01), None

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