Method of machining workpieces after preheating

Details Method of machining workpieces after preheating Method of machining workpieces after preheating

1978-03-23

1979-08-07

Hinson, Harrison L.

Turning

Process of turning

409 64, 409288, B23B 300, B23C 100, B23C 900

Patent

active

041634020

ABSTRACT:
A method of machining a workpiece after preheating consists in that the workpiece material to be removed by a cutting tool is subjected immediately before the removal operation to intense localized heating and notching by a plasma jet, with a groove being formed on the surface to be machined. To this end, a plasma torch is positioned ahead of the cutting tool so that the angle between the direction of the cutting speed and the plasma jet axis ranges from 0 to 45 degrees, and the angle between the direction of feed of the cutting tool and the plasma jet axis from 10 to 45 degrees.

REFERENCES:
patent: 2600453 (1952-06-01), Weingart
patent: 4098153 (1978-07-01), Clark et al.
"Hot Machining" by I. A. Dicker, from Mechanical Engineering Magazine, Jan. 1964, pp. 37-41.
"Machining with a Plasma Jet" by J. A. Browning, from Metalworking Production, Sep. 12, 1962, pp. 82 & 83.

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