Siemens SINUMERIK 840D sl Programming Manual page 531

Group 43: SAR approach direction
G function
1)
No.
G140 1.
G141 2.
G142 3.
G143 4.
Group 44: SAR path segmentation
G function
1)
No.
G340 1.
G341 2.
Group 45: Path reference for FGROUP axes
G function
1)
No.
SPATH 1.
UPATH 2.
Group 46: Plane selection for fast retraction
G function
1)
No.
LFTXT 1.
LFWP 2.
LFPOS 3.
Group 47: Mode switchover for external NC code
G function
1)
No.
G290 1.
G291 2.
Fundamentals
Programming Manual, 09/2011, 6FC5398-1BP40-2BA0
Significance
SAR approach direction defined by G41/G42
SAR approach direction to left of contour
SAR approach direction to right of contour
SAR approach direction tangent-dependent
Significance
Spatial approach block; in other words, infeed depth
and approach in plane in one block
Start with infeed on perpendicular axis (Z), then
approach in plane
Significance
Path reference for FGROUP axes is arc length
Path reference for FGROUP axes is curve parameter
Significance
The plane is determined from the path tangent and the
current tool orientation
The plane is determined by the current working plane
(G17/G18/G19)
Axial retraction to a position
Significance
Activate SINUMERIK language mode
Activate ISO language mode
16.4 G function groups
2) 3)
MD20150 W
+ m
+ m
+ m
+ m
2) 3)
MD20150 W
+ m
+ m
2) 3)
MD20150 W
+ m
+ m
2) 3)
MD20150 W
+ m
+ m
+ m
2) 3)
MD20150 W
+ m
+ m
Tables
4)
STD
SAG MM
x
4)
STD
SAG MM
x
4)
STD
SAG MM
x
4)
STD
SAG MM
x
4)
STD
SAG MM
x
531