Turning – Process of turning
Patent
1979-12-21
1983-11-29
Hinson, Harrison L.
Turning
Process of turning
82 36R, B23B 300, B23B 2900
Patent
active
044174896
ABSTRACT:
A method and apparatus for machining a workpiece to perform several functions including sensing tool wear, enhancing tool life, tool wear compensation, cutting a workpiece having two different materials joined at a boundry, and suppressing chatter, including placing a cutting tool having a rake face and a clearance face with a first clearance angle with respect to a workpiece and a second clearance face with a second clearance angle with respect thereto and with the first clearance angle being less than the second clearance angle and supporting the cutting tool in a rotatable tool holder having an axis of rotation with the cutting tool tip being aligned with the axis of rotation such that rotation of the holder varies the cutting tool geometry to perform the several functions.
REFERENCES:
patent: 2160369 (1939-05-01), Rikof
patent: 3125798 (1964-03-01), Stein
patent: 3455189 (1969-07-01), Sweet
patent: 3559259 (1971-02-01), Kumabe
patent: 3562477 (1971-02-01), Ronald
patent: 3739665 (1973-06-01), Kumabe
patent: 3741070 (1973-06-01), Berthiez
patent: 3754487 (1973-08-01), Nachtigal
patent: 3807257 (1974-04-01), Maropis
patent: 4172398 (1979-10-01), Asmanes
Article-Bearing Lands and Negative Rakes Prolong Cutting Tool Life" by Mark W. Purser-from American Machinist Aug. 1945, pp. 118-121.
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