4 Programming of Motion Blocks 05.91
4.2.5 Polar coordinates G10/G11/G12/G13/G110/G111
Example with G111:
N05 G0 X0 Y0
L
F
N10 G11 X0 Y0 A30 B40 F100
L
F
N15 G111 A60 B30
L
F
N20 G110 A45 B50
L
F
N25 M30
L
F
Continuous path operation is interrupted at P1.
4.2.6 Feedrate F, G94, G95, G96, G97, G195
The feedrate F is programmed in mm/min (m/min) or mm/rev:
G94 F. . Feedrate in mm/min
G95 F.. Feedrate in mm/rev
G96 S.. Constant cutting speed in m/min or feet/min with inches input resolution (feedrate
must be programmed)
G97 S.. Cancel G96 and and store last setpoint speed of G96
G195 Feedrate in mm/rev referred to rotary axis
The feedrate determines the machining speed (tool path feedrate) and is adhered to with all
types of interpolation, even when tool offsets on the contour are taken into consideration (ex-
ceptions: spline and helical interpolation). The value programmed under address F remains in
the program until a new F value is programmed. The F value is deleted at the end of the pro-
gram or on a reset. An F value must therefore be programmed in the first program block con-
taining a traversing movement without rapid traverse at the latest.
If the G functions G94, G95 or G96 are modified, the F word should be reprogrammed as well,
since the unit of the stored value may change.
The programmed feedrate F can be modified between 1% and 120% by means of a feedrate
override switch at the machine control panel. The 100% setting corresponds to the
programmed value.
4–22
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)
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