Research on Surface Performance of Cold Plasma and Minimal Quantity Lubrication Composite Micro-milling of 2195 Aluminum-lithium Alloy
The ductility of aluminum-lithium alloy causes material adhesion to the tool,leading to burr and chip-accumulation tumor generation,etc.In order to solve the above problems,cold plasma and minimal quantity lubrication composite micro-milling of aluminum-lithium alloys was used.The results showed that cold plasma not only improved the wettability of nanofluids on the surface of the workpiece,but also increased the removal efficiency of the material.Compared with dry,cold plasma,and minimal quantity lubrication,the micro-milling forces obtained under the composite conditions of cold plasma and minimal quantity lubrication reduced by 52.9%,42.9%and 17.5%,and the three-dimensional surface roughness Sa reduced by 67.3%,44.8%and 33.3%.
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