Siemens SINUMERIK 840DE Programming Manual page 446

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12.3 List of G functions/preparatory functions
Group 40: Tool radius compensation constant
Name
No. Meaning
CUTCONOF
1.
Constant radius compensation OFF
CUTCONON
2.
Constant radius compensation ON
Group 41: Interrupt thread cutting
Name
No.
Meaning
LFOF
1.
Interrupt thread cutting OFF
LFON
2.
Interrupt thread cutting ON
Group 42: Toolholder
Name
No.
Meaning
TCOABS
1.
Toolholder orientation absolute
TCOFR
2.
Toolholder orientation frame alignment of tool on
Z axis
TCOFRZ
3.
Orientable toolholder frame-related (tool on Z axis)
TCOFRY
4.
Orientable toolholder frame-related (tool on Y axis)
TCOFRX
5.
Orientable toolholder frame-related (tool on X axis)
Group 43: SAR approach direction
Name
No.
Meaning
G140
1.
SAR approach direction defined by G41/G42
G141
2.
SAR approach direction to left of contour
G142
3.
SAR approach direction to right of contour
G143
4.
SAR approach direction tangent-dependent
Group 44: SAR path segmentation
Name
No.
Meaning
G340
1.
Spatial approach block (depth and in plane (helix))
G341
2.
Initial infeed on perpendicular axis (z), then approach in plane
Group 45: Path reference for FGROUP axes:
Name
No.
Meaning
SPATH
1.
Path reference for FGROUP axes is arc length
UPATH
2.
Path reference for FGROUP axes is curve parameter
12-40
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
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