Method of laser hardening corrugating rolls

Details Method of laser hardening corrugating rolls Method of laser hardening corrugating rolls

1990-08-22

1993-01-19

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148903, 21912161, C21D 109

Patent

active

051804484

ABSTRACT:
A method is disclosed for heat treating the flutes of a corrugating roll. A laser having a beam with a Gaussian power density distribution is provided for heating the flutes. The beam from the laser is reconfigured by an integrator lens to form a beam having a homogeneous power density distribution, which is focused upon the upper portion of a flute to be heat treated as the flute is traversed lengthwise past the beam.

REFERENCES:
patent: 3848104 (1974-11-01), Locke
patent: 4154565 (1979-05-01), Hyde et al.
patent: 4414038 (1983-11-01), Dausinger et al.
patent: 4507538 (1985-03-01), Brown et al.
Metals Handbook, 9th Ed. vol. 4; 1981 "Laser Surface Transformation Hardening", Ole Sandven pp. 507-517.

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