Title:
【発明の名称】セラミツク工具の摩耗寿命を増す装置
Document Type and Number:
Japanese Patent JPS61500779
Kind Code:
A
Abstract:
PCT No. PCT/US83/02028 Sec. 371 Date Dec. 22, 1983 Sec. 102(e) Date Dec. 22, 1983 PCT Filed Dec. 22, 1983 PCT Pub. No. WO85/02798 PCT Pub. Date Jul. 4, 1985.An apparatus and method are disclosed for reducing the oxygen concentration at the interface between a cutting tool and a relatively rotating metal workpiece. The apparatus comprises (a) a supporting means for holding the cutting tool in a predetermined position relative to the workpiece, and (b) means effective to direct a plurality of discrete flows of inert gas between the cutting tool and workpiece in a manner to substantially reduce the oxygen concentration in the zone to a predetermined level. The method comprises (a) directing a first stream of inert gas closely adjacent the interface, and (b) directing a second stream of inert gas to at least partially surround the first stream.
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Inventors:
Frankle, Franklin Dee
Tennen House, The Ellerdo Jei
Tennen House, The Ellerdo Jei
Application Number:
JP50081984A
Publication Date:
April 24, 1986
Filing Date:
December 22, 1983
Export Citation:
Assignee:
Huh-mo-ta-company-
International Classes:
B23B1/00; B23B27/14; B23Q11/10; B23B25/00; (IPC1-7): B23B25/00
Attorney, Agent or Firm:
Hideto Asamura