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By FelixOkuma

December 5, 2015, 5:02 pm
Updated by: December 5, 2015, 11:34 pm

Css okuma lathe

Hi! I need help with constant surface speed. I saw a video at youtube and the guy learned me to set 3 codes. For example

Code
G97 s1500 m03 G50 s2000 G96 s600
I want the lathe to start at 1500rpm and as closer it gets to the center the closer the rpm will be to 2000rpm but now it's the opposite... what am i doing wrong /Felixokuma

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Eldar Gerfanov (Admin)

December 5, 2015, 11:33 pm
Updated by: Eldar Gerfanov (Admin)December 5, 2015, 11:34 pm

I used this sequence:

Code
G50 S2000 (Set Max Speed in RPM) G96 S600 M3 (Set CSS Spindle speed in SFM)
Because you are turning on G96(CSS-Contant Surface Speed) your first G97 line is irrelevant. Also because you are not applying m3 (if i remember how this works) your third line never works. Because you are working with CSS your actual RPM at any point will depend on the commanded X value. Perhaps your X is something weird? Try the code i supplied. It should work

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