The surface roughness of the workpiece measured during microlubrication milling of different vegetable oils is shown in Figure 13, and compared with the traditional cutting liquid pouring milling Ra0.468, the Ra value of microlubrication milling of different vegetable oils as base oils is reduced. The Ra value of cottonseed oil decreased by 41.5%, the Ra value of palm oil decreased by 53%, the Ra value of castor oil decreased by 50.2% the Ra value of soybean oil decreased by 30.8%, the Ra value of peanut oil decreased by 40.6%, The surface quality has been improved.
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