Method of manufacturing a metal workpiece by oxygen cutting, oxy

Details Method of manufacturing a metal workpiece by oxygen cutting, oxy Method of manufacturing a metal workpiece by oxygen cutting, oxy

1993-06-14

1995-02-21

Kastler, Scott

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148194, 266 74, B23K 708

Patent

active

053912373

ABSTRACT:
The workpiece is obtained by cutting a metal product by oxygen cutting. An oxygen cutting jet is sent onto a preheated cutting zone of the product. A peripheral sleeve of additional gas is formed around the oxygen cutting jet so as to send, into the cutting zone, a coaxial double jet constituted by the oxygen jet surrounded by the sleeve of gas at a pressure of less than 1 bar. The flow rate and the pressure of the cutting oxygen and of the additional gas are regulated separately. The invention also relates to an oxygen-cutting device for implementing the method and to the metal part obtained.

REFERENCES:
patent: 3563812 (1971-02-01), Nakanishi et al.
patent: 4173499 (1979-11-01), Holemann

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