CNC Machining Turning Plastic Parts

For a workpiece, first tighten it in positioning, because the workpiece will be deformed when tightening, so it should be tightened in positioning first. For 6-point positioning, find the degree of freedom to limit it. When the inner angle wrench handle is short and cannot be applied, the inner diameter can be larger than that of the wrench. Slightly larger tubes can be used as a long shank. During machining, the errors mainly include spindle rotation error, guide rail error and transmission chain error. Spindle rotation error refers to the variation of the actual rotation axis of the spindle relative to its average rotation axis at an instant, which will directly affect the accuracy of the workpiece to be processed. The important factors of the spindle rotation error are the coaxiality error of the spindle, the error of the bearing itself, the coaxiality error between the bearings, the rotation of the spindle, etc. The guide rail is the benchmark for determining the relative positional relationship of each machine tool component on the machine tool. It is also the movement of the machine tool. benchmark.

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