How to CNC machining thread milling CNC programming?

In order to enable operators to reasonably choose thread processing methods in CNC processing, improve production efficiency, to avoid quality accidents, CNC manufacturers must do a good job in advance of the thread milling tool programming, then how to compile it?

The programming of thread milling tool is different from the programming of other tools. If the processing program is wrong, it is easy to cause tool damage or thread processing error. The following points should be paid attention to when compiling:

(1) First of all, the threaded bottom hole should be processed, the small diameter hole with the drill bit processing, the larger hole should be boring processing, to ensure the precision of the threaded bottom hole.

(2) The tool should be used when entering and cutting out the arc trajectory, usually 1/2 circle for entering or cutting out, at the same time the Z axis direction should travel 1/2 pitch, to ensure the shape of the thread. The tool radius compensation value should be substituted at this time.

(3) The arc of X and Y axis should be interpolated once, and the main shaft should travel a pitch along the Z axis, otherwise, the thread will be disorderly.

(4) The specific example program: the diameter of the thread milling cutter is 16, the thread hole is M48×1.5, the thread hole depth is 14.

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