The price of ordinary milling machine is low, but the efficiency of mass production is low. The processing quality is greatly affected by the technical level of the operators, and the processing consistency is not good. The batch production efficiency of CNC processing is high, the processing consistency is good, and the quality is stable. However, the cost of machine tools and equipment is expensive, and programming time is too much when the number of processing is small, which is not economical. The repairman is required to have a high level of hardness and strength of stainless steel, but its plasticity and toughness are good, its thermal strength is high, and the chips are not easy to be cut off during cutting. On the premise that the tool has enough strength, a larger rake angle should be selected, which can not only reduce the plastic deformation of the metal being cut, but also reduce the cutting force and cutting temperature, and reduce the depth of hardened layer. CNC processing, also known as CNC processing, refers to the processing with CNC tools. Because NC machining is controlled by computer after programming, CNC processing has the advantages of stable processing quality, high processing accuracy, high repetition accuracy, complex surface processing and high processing efficiency.
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