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Simplified Chinese G97 – Turn off Constant Surface Speed (CSS)
The G97 command is used to disable Constant Surface Speed (CSS) mode and return the spindle to fixed RPM mode on lathe machines.
When CSS mode is turned off, the spindle speed remains at the commanded RPM and no longer changes based on the tool’s position relative to the spindle centre.
Syntax & Parameters
G97Example Program
N10 G97
In this example, the G97 command disables CSS mode and sets the system back to RPM mode.
