Hardinge Brothers, Inc.

Jyoti Mukherjee

Terrence M Sheehan

Raymond Charles Cady

Daniel P Soroka

James Paul Peris

Harold E Walburn

Robert B Carlyle

Gary L Comstock

A machine tool comprises a frame; a work holder operably associated with the frame; at least one carriage disposed on the frame and movable along an axis; at least one tool disposed on the carriage for operating on a work piece disposed in the work holder; at least one nozzle assembly disposed on the carriage for directing at least one fluid stream to the work piece and the tool; a screw-nut drive operably associated with the carriage, the drive including a lead screw; a device for stretching the lead screw for compensating for thermal growth of the screw during operation; and a resilient strip operably disposed between the frame and the carriage for absorbing impact forces.

Temperature compensated and shock resistant machine tool

A headstock cooling system for a machine tool comprising a base having a top, bottom and a first fluid passageway extending centrally therethrough from the top to the bottom. A bed is mounted on the base top and provided with a second fluid passageway extending coaxially from the first fluid passageway and in fluid communication therewith. A headstock is mounted on the bed and is positioned coaxial with and directly above the second fluid passageway and includes means for communication with the second fluid passageway for directing a cooling fluid from the second fluid passageway out of the headstock thereby cooling the headstock over at least a substantial portion of the headstock.

Headstock cooling system for a machine tool

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Elmira Hts., NY, United States of America

Jyoti Mukherjee