Method and apparatus for flame-cutting cracked corner portions f

Metal treatment – Compositions – Heat treating

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148 95, 266 23R, B23K 700

Patent

active

039402924

ABSTRACT:
A method and apparatus for flame-cutting cracked corner portions from continuously cast metal workpiece. The cutting torches are positioned adjacent the corners of the workpiece and are aimed downwardly at angles of about 35.degree. to 55.degree. with respect to the vertical and at angles of about 80.degree. to 100.degree. with respect to planes which bisect the corner angles of the workpiece. Preferably the torches are aimed downwardly at angles of about 45.degree. and approximately perpendicular to the bisecting planes. In this manner the depth of segment cut from the workpiece is closely controlled and the material removed from the workpiece is directed away from the surfaces thereof.

REFERENCES:
patent: 2290290 (1942-07-01), Meincke
patent: 3492918 (1970-02-01), Michelson
patent: 3534656 (1970-10-01), Michelson

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