Machining center in the G98, G99 What does it mean?

Answer:

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. G90G00G54X0Y0; G43H1Z50M3S500; G99G81Z-20R5F100; (after processing the tool returns Z5 (ie R point 5) position, G99 must write) X50Y50; ... processing center programming code has a lot of instructions, if you need

G98 is to return to the initial plane, G99 is to return to R points: 1. G90G00G54X0Y0; G43H1Z50M3S500; G98G81Z-20R5F100; (after processing the tool back to the Z50 position, G98 can ignore the write, the system will be the default) X50Y50;