Process of shaping the rim of a combustion chamber recess of a l

Details Process of shaping the rim of a combustion chamber recess of a l Process of shaping the rim of a combustion chamber recess of a l

1980-11-24

1982-08-17

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EG, B23K 2700

Patent

active

043451381

ABSTRACT:
An improved process for shaping the edge of a combustion chamber recess in the piston head of a finish-machined light-alloy piston is disclosed wherein the piston is moved past the oscillating charged carrier beam at an angle of inclination of 40.degree. to 50.degree., the charged carrier beam is caused to act on that portion of the rim of the combustion chamber recess which is to be refined by being remelted and the charged carrier rays are moved over said portion only once. The process presents the formation of cracks at the edge of the chamber.

REFERENCES:
patent: 3411380 (1968-11-01), Ehl et al.
patent: 3711908 (1973-01-01), Broers
patent: 3773565 (1973-11-01), Pye et al.
patent: 3802927 (1974-04-01), Gomada
patent: 4122240 (1978-10-01), Banas et al.
patent: 4157923 (1979-01-01), Yen et al.
patent: 4159686 (1979-07-01), Heim
patent: 4244751 (1981-01-01), Hioki et al.
patent: 4250372 (1981-02-01), Tani
Motortechnische Zeitschrift 40(1979) pp. 261 to 266 (Germany).

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