Hurco winmax, Programming Manual, Page: 205 / 254

WinMax Lathe NC Programming
704-0115-307
ISNC G Codes
4-91
G96 - Constant Surface Speed (CSS)
G96 sets feet per minute or meters per minute as the modal spindle command mode.
When G96 is programmed, the spindle speed will increase as the tool tip moves toward
the spindle centerline and decrease as the tool moves away from the spindle centerline.
When G96 is active, the programmed S value is read as a feet per minute or meters per
minute command.
Default—No
Modal—Yes
Cancels G97 - Direct Spindle Speed (default)
To specify a radius of the tool tip that corresponds to the surface speed given in S,
program the R value in the same block as G96.
• If you do not program an R value or the R value is 0, the control uses the X-
axis position as the radius.
• If an R value has been previously programmed, and you program a G96
without an R value, the previously programmed R value will be used.
Table 4–9. R Values and G96 Programming
G97 - Direct Spindle Speed (default)
G97 sets direct RPM as the modal spindle command mode. When G97 is active, the
programmed S value is revolutions per minute.
Default—Yes
Modal—Yes
Cancels G96 - Constant Surface Speed (CSS)
Active Programming Mode R Value
G07 - Radius Programming distance from the tool tip to the spindle centerline
(radius)
G08 - Diameter Programming
(default) twice the distance from the tool tip to the spindle
centerline (diameter)