What are the characteristics of thread milling in cnc machining?

Thread milling in cnc processing is a thread milling tool, three-axis linkage of the machining center, that is, X, Y axis circular interpolation, Z axis linear feed milling method to process threads. Thread processing is one of the very important applications of cnc processing. The processing quality and efficiency of the thread will directly affect the processing quality of the parts and the production efficiency of the machining center. So what is unique about thread milling? How to program the CNC programming of thread milling?

Thread milling is mainly used for the processing of large-hole threads and threaded holes of difficult-to-machine materials. It mainly has the following characteristics:

⑴ The processing speed is fast, the efficiency is high, and the processing accuracy is high. The tool material is generally hard alloy material, and the cutting speed is fast. The manufacturing precision of the tool is high, so the thread precision of milling is high.

⑵ The applicable range of milling tools is wide. As long as the pitch is the same, no matter whether it is a threaded thread or a right-handed thread, one tool can be used, which is helpful to reduce the cost of the tool.

⑶ Milling processing is easy to remove chips and cool, and the cutting performance is better than that of taps. It is especially suitable for thread processing of aluminum, copper, stainless steel and other difficult-to-process materials.

It is especially suitable for the thread processing of large parts and components of precious materials, and can ensure the quality of thread processing and the safety of the workpiece.

⑷ Because there is no tool leading end guide, it is suitable for processing blind holes with short threaded bottom holes and holes without undercuts.

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