In Metal parts machining works, screw thread (tapping) be required. The screw thread is mainly divided into: connecting thread and driving thread For connecting thread , the main machining methods are: tapping, threading, turning, rolling, etc. For transmission thread , the main machining methods are: rough and fine turning – grinding;whirlwind milling – rough and fine turning , etc. CNC turned screw thread part The following describes the various screw machining methods: THREAD CUTTING Generally, it refers to the method of machining thread on workpiece with forming tool or grinding tool, mainly including turning , milling, tapping, threading, grinding and whirlwind cutting, etc. THREAD MILLING On the thread milling machine, the disc milling cutter or comb milling cutter is used for milling. Disc milling cutter is mainly used for milling trapezoid external thread of screw rod, worm and o...
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