Recommended Lathe G Code Preamble
17 Dec 2018 00:42 #122496
by Skippy1
Recommended Lathe G Code Preamble was created by Skippy1
Chaps,
I'm putting together a G code preamble in the CAM software for a cnc lathe. So far I have G8, G18, G21, G54, G80, and G90. I also plan to finish all programs with a M2. I'm wondering if there is any value in adding A G40 or G49 to cancel tool compensation, and a G92.1 to clear other offsets, or are these codes only relevant to a mill, not a lathe? And would it be appropriate to put in a M48 here if I wanted to use spindle/feed overrides?
Any advice would be appreciated.
Cheers, Steve.
I'm putting together a G code preamble in the CAM software for a cnc lathe. So far I have G8, G18, G21, G54, G80, and G90. I also plan to finish all programs with a M2. I'm wondering if there is any value in adding A G40 or G49 to cancel tool compensation, and a G92.1 to clear other offsets, or are these codes only relevant to a mill, not a lathe? And would it be appropriate to put in a M48 here if I wanted to use spindle/feed overrides?
Any advice would be appreciated.
Cheers, Steve.
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17 Dec 2018 01:00 #122499
by andypugh
Replied by andypugh on topic Recommended Lathe G Code Preamble
No harm in putting them all in. Tool comp can be quite important for lathes, if you want to cur accurate spherical shapes.
G91.1 might be useful too.
G91.1 might be useful too.
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