G96 – Turn on Constant Surface Speed (CSS)
This command is used to enable Constant Surface Speed (CSS) mode in lathe version.
Syntax & Parameters
G96 followed by D & S values.
D Value – This is to set the maximum spindle RPM that the spindle can achieve in CSS mode as the tool gets closer to the centre.
S Value – To set surface speed value. The units will be the current machine units in use.
N10 G96 D2000 S200
- In the above example CSS mode is enabled with a surface speed of 200 and the maximum RPM is set to 2000.
Note: Units are defined as either inches or mm depending on your machines setup or G20 or G21 command in use.
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