Method of fine-machining a workpiece surface to be supplied with a lubricant during operation of the workpiece
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United States of America Patent
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May 20, 1997
Issued Date -
N/A
app pub date -
May 13, 1994
filing date -
May 13, 1993
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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.
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