Flame cutting by means of an oxygen beam

Details Flame cutting by means of an oxygen beam Flame cutting by means of an oxygen beam

1975-07-14

1976-05-04

Stallard, W.

Metal treatment

Compositions

Heat treating

B23K 700

Patent

active

039545130

ABSTRACT:
For the purpose of improving the economics of flame cutting and the qualiive characteristics of flame-cut components, and with the object of developing a method of flame cutting, particularly precision flame cutting, wherein the interaction between the cutting oxygen and the molten metal flow is qualitatively varied in such a way that the speed-inhibiting effect of the contamination boundary layer is considerably reduced and the cutting speed increased whilst maintaining the cutting quality, the invention proposes the adoption of certain defined operating parameters of a cutting torch with a conically expanded cutting nozzle of circular cross-section and ranges of oxygen pressures, appropriate to different thicknesses of the cut.

REFERENCES:
patent: 2184562 (1939-12-01), Rockefeller et al.
patent: 2195384 (1940-03-01), Zobel et al.
patent: 3415693 (1968-12-01), Gollwitz et al.
patent: 3498848 (1970-03-01), Kidowaki

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