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Proceedings Paper

Full Production Laser Processing Of Electrical Steel
Author(s): Gary L Neiheisel
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Paper Abstract

A fully automated laser process has been installed on a main stream production line for the manufacturing of electrical steel. The process uses high power continuous wave Nd:YAG lasers to refine the magnetic domain structure in a high magnetic permeability sheet steel product. The result is a typical 10% reduction in the electrical energy lost when the steel is used in a transformer core. A mathematical model of the process with dynamic sensor input is used by a computer to control the laser power and scan rate to ensure magnetic quality improvement independent of processing speed.

Paper Details

Date Published: 12 November 1986
PDF: 11 pages
Proc. SPIE 0668, Laser Processing: Fundamentals, Applications, and Systems Engineering, (12 November 1986); doi: 10.1117/12.938892
Show Author Affiliations
Gary L Neiheisel, Armco Inc (United States)


Published in SPIE Proceedings Vol. 0668:
Laser Processing: Fundamentals, Applications, and Systems Engineering
Walter W. Duley; Robert W. Weeks, Editor(s)

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