Electric heating – Metal heating – By arc
Patent
1996-11-18
1998-02-17
Walberg, Teresa J.
Electric heating
Metal heating
By arc
21912166, 148565, B23K 2600
Patent
active
057193762
ABSTRACT:
A a method for laser heating a surface formed by a circular bore extending in a workpiece along a longitudinal bore axis includes providing a holder for holding a workpiece; directing a laser beam into the workpiece bore; and providing a mirror in the workpiece bore for directing the laser beam against a portion of the surface to be heated. The workpiece is cooled adjacent the portion of the surface to be heated by the workpiece holder. The workpiece and mirror are moved relative to each other longitudinally back and forth along the workpiece bore axis and rotatably about the workpiece bore axis, to produce a preselected pattern of heated area on the workpiece bore surface.
REFERENCES:
patent: 4017708 (1977-04-01), Engel et al.
patent: 4303137 (1981-12-01), Fischer
patent: 4365136 (1982-12-01), Gottlieb
patent: 4539461 (1985-09-01), Benedict et al.
patent: 5160556 (1992-11-01), Hyde et al.
Gavigan William J.
Shandersky James T.
Snyder Craig L.
Tufano Frank J.
Ingersoll-Rand Company
Mills Gregory L.
Selko John J.
Walberg Teresa J.
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