Process for marking the surface of a rolling mill

Details Process for marking the surface of a rolling mill Process for marking the surface of a rolling mill

1988-02-23

1989-02-21

Albritton, C. L.

Electric heating

Metal heating

By arc

21912168, 21912184, B23K 2600

Patent

active

048067318

ABSTRACT:
A rolling mill is rotated while microscopic dents with peripheral ridges are formed by an intermittent laser beam in the presence of a gas jet directed at the beam impact zone. The output and the angle of incidence of the gas jet are controlled and microscopic dents are formed with a ridge on only part of their periphery. Steel sheet cold-rolled by means of such a roll has uniformly distributed hollows, each hollow partially surrounding an elevation.

REFERENCES:
patent: 4028523 (1977-06-01), Anderl et al.
patent: 4322600 (1982-03-01), Crahay
patent: 4377736 (1983-03-01), Daunt et al.

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