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Thread NC machining differs from contour NC machining in that it is more precise. Thread NC machining is also more expensive. This is due to the fact that during the thread cutting process, there is no chip accumulation or tool plastic damage. Thread cutting is characterized by a relatively slow cutting speed during the thread cutting process. The appearance of ordinary lathe turning thread and NC Turning Thread is very similar; however, the latter has a distinctive appearance that makes cnc machining immediately distinguishable. ... more