Method of fine-machining a workpiece surface to be supplied with

Details Method of fine-machining a workpiece surface to be supplied with Method of fine-machining a workpiece surface to be supplied with

1994-05-13

1997-05-20

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

B23K 2600, F16C 3310

Patent

active

056309538

ABSTRACT:
The method of fine-machining a workpiece surface to be supplied with a lubricant during operation of the workpiece includes the steps of subjecting the workpiece surface to a stream of a medium to produce linearly extending channels of a predetermined first depth in the workpiece surface, the linearly extending channels defining areas therebetween, and forming in the areas by subjecting the workpiece surface to a stream of a medium grooves of a second depth smaller than the predetermined first depth. The linearly extending channels may be arranged in a crossed arrangement. Preferably, the method is carried out as a two-step process. Expediently the method further includes the step of employing a laser for at least one of the steps. The laser can form the channels with dimple shaped depressions positioned in a row.

REFERENCES:
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patent: 3961104 (1976-06-01), Tanner
patent: 4558960 (1985-12-01), Lehtinen et al.
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patent: 5120395 (1992-06-01), Monson et al.
patent: 5351397 (1994-10-01), Angeli
patent: 5415476 (1995-05-01), Onishi
patent: 5441439 (1995-08-01), Grimm et al.

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