FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
10. SPINDLE SPEED FUNCTION
B–62754EN/01
108
G96 mode G97 mode
Specify the surface speed in m/min
(or feet/min)
G97 command
Store the surface speed in m/min
(or feet/min)
Command for
the spindle
speed
Specified
The specified
spindle speed
(rpm) is used
Not specified
The surface speed (m/min or
feet/min) is converted to the
spindle speed (rpm)
Commands other than G96
G96 command
The specified
surface
speed is used
Command
for the surface
speed
The stored surface speed (m/min or
feet/min) is used. If no surface speed is
stored, 0 is assumed.
Specified
Not specified
The constant surface speed control is also effective during threading.
Accordingly, it is recommended that the constant surface speed control
be invalidated with G97 command before starting the scroll threading and
taper threading, because the response problem in the servo system may
not be considered when the spindle speed changes.
D Surface speed specified
in the G96 mode
Restrictions
D Constant surface speed
control for threading

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