Accuracy of the pattern transfer from the metal mask to the workpiece surface during multiphase jet machining
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Multiphase jet machining (MJM) is a recently developed surface texturing method based on which a mixture of abrasives and water is accelerated by compressed air to remove material from substrates. Considering the high divergence of the jet, masks are needed for MJM to obtain the desired features and dimensions. To investigate the pattern transfer accuracy, masks were prepared from a 304 stainless steel sheet using laser machining. The fundamental parameters of MJM as well as the effects of the mask opening width and thickness on the processing of the structures were studied and experimentally optimized. The use of wax to fix the mask on the substrate is proposed to avoid the frosted area around the machining structures. Overall, the optimized process MJM parameters can be used to fabricate various surface textures with the desired accuracy and dimensions.
KeywordsMultiphase jet machining Transfer accuracy Masked surface texture
The authors gratefully acknowledge Mr. Chen for his help in providing the instrument-aided measurement.
This work was financially supported by the National Natural Science Foundation of China (No. 51675268 and 51805252) and China Postdoctoral Science Foundation (No. 2019 M651822).
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