Finishing is the key link of mold manufacturing. When finishing the part contour, it is necessary to focus on the realization and control of dimensional accuracy, surface quality and position accuracy. At the same time, it is also important to select the cutting amount of the tool. In the process of machining and batch manufacturing, it is also necessary to pay attention to the routine inspection of the quality and wear resistance of the tool to ensure the cutting performance of the tool. Generally speaking, the turning semi finishing allowance is about 0.45mm, the finishing allowance is about 0.25mm, the milling semi finishing allowance is about 0.5 mln, and the grinding finishing allowance is less than 0.2mm. This not only ensures the finishing quality of the stamping die, avoids the quality fluctuation between the same parts, but also effectively improves the overall work efficiency of finishing.

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