Journal
MACHINES
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/machines11040439
Keywords
composite micro-texture; cutting force; chip; coating; cutting temperature
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In this paper, a coated composite micro-textured tool is introduced to study its influence on chip shape and cutting force under the same cutting parameters. The combination of cutting force and cutting temperature is optimized based on cutting test. Three kinds of composite micro-texture tools are tested to determine the optimum combination from the angle of chip shape, cutting temperature and cutting force. It was found that the chip was more easily broken in the composite microstructure when two tools were used, resulting in a decrease in cutting force and cutting temperature compared with non-micro-texture tools.
Aluminum alloy materials are very difficult to break in the processing process; chip accumulation leads to poor processing stability. In this paper, a coated composite micro-textured tool is presented. The influence of coated composite micro-textured tool on chip shape and cutting force under the same cutting parameters is studied. Firstly, the combination of cutting force and cutting temperature is optimized based on cutting test. Secondly, combined with the finite element simulation technology, three kinds of composite micro-texture tools are tested to determine the same cutting parameters, tools and workpiece materials, and optimize the composite micro-texture combination from the angle of chip shape, cutting temperature and cutting force. Finally, on the basis of optimizing the microstructure combination, the optimization of the cutting performance of aluminum alloy by coating material is studied. It was found that the chip was more easily broken in the composite microstructure when two tools were used. The cutting force decreased by 25% and the cutting temperature decreased by 9.09% compared with the non-micro-texture tools. The cutting temperature and cutting force decreased by 3% and 4.99% compared with those of uncoated composite microstructure.
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