Torch traversing method

Details Torch traversing method Torch traversing method

1978-03-10

1979-05-15

Stallard, W.

Metal treatment

Compositions

Heat treating

266 51, B23K 706, B23K 708

Patent

active

041546270

ABSTRACT:
The invention describes a method of machining a workpiece with a cutting l arrangement involving relative rectilinear movement between workpiece and tool, a heat source being mounted for transverse movement in a series of arcuate passes across the workpiece to heat and soften the portion thereof immediately ahead of the cutting tool. In examples given, the heat source is one or two plasma torches and the arcuate passes are part of an oscillatory or of a rotational movement.

REFERENCES:
patent: 2735796 (1956-02-01), Kelley et al.

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