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Compared with traditional gear tapping machine and pneumatic tapping machine, it is more convenient to replace products with different pitch, and the tapping quality is more stable. Due to the use of stepping and precision screw feed, there is no double tooth phenomenon in gear tapping machine The product material has the function of reverse material detection and automatic sorting without stopping the machine; it adopts 4-axis multi axis tapping machine, which can tap 4 products at the same time, with high efficiency.