The results showed that the cutting condition shear feed rate 0.2 mm / rev. Cutting depth 1.5 mm. Cutting speed 167 M / min.Do not use of antifreeze coolant affecting the wear of cutting lathe most. Depth and turning cutting speed is the key that the wear is more and more.The wear and tear of the lathe knife will increase. Cutting condition 0 shear feed rate.2 mm / rev. Cutting depth 0.5 mm. Cutting speed 114 M / min. Of cooling model (MQL) affecting the wear of cutting as little as possible, cooling. MQL have wear rate of less than a turning cutting coolant used and no coolant used
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