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Characteristics of Abrasive Water Jet Milled Surface by Overlap Cutting
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 Title & Authors
Characteristics of Abrasive Water Jet Milled Surface by Overlap Cutting
Park, Seung Sub; Kim, Hwa Young; Ahn, Jung Hwan;
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Overlap cutting is a fundamental method of applying abrasive water jet (AWJ) machining to milling to produce a wider surface because the nozzle outlet is approximately 1.0 mm wide. In this study, the effects of overlap cutting on the depth profile and surface roughness are investigated. The overlapping area depends on the amount of step over, which is controlled in the pick-feed direction. If the step over is equal to or larger than the diameter of the nozzle, no overlap cut occurs but large cusps remain between the cut paths. A step over as small as one-thirds of the nozzle diameter may lead to triple-overlap cutting resulting in an extraordinary depth. By using pocket milling experiments with a step over of 0.46 (or 0.47), it is verified that AWJ can produce a milled surface of titanium, one of the hard-to-cut materials, with Ra.
Abrasive water jet (AWJ) milling;Overlap cutting;Step over;Surface profile;
 Cited by
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