ARRANGEMENTS AND METHODS FOR ABRASIVE FLOW MACHINING
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
May 7, 2014
filing date -
May 14, 2013
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Abstract
A method of treating an interior surface of a workpiece (5); said method comprising providing a workpiece (5) having an interior passage (11) defined at least partly by said interior surface to be treated, said passage (11) having an inlet section and an outlet section; providing in said interior passage (11) at least one deflecting object (6), said deflecting object (6) having an outer surface, whereby a space is formed between said outer surface of said at least one deflecting object (6) and said interior surface of said workpiece (5); providing an abrasive fluid (3) in said space, such that said space is substantially filled with said abrasive fluid (3); and effecting flow of said abrasive medium (3) through said interior passage (11) from said inlet portion to said outlet portion.
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