Siemens SINUMERIK 840D Operating Manual page 327

Parameters Description
FZ Depth infeed rate
(only for G code)
FZ Depth infeed rate
(only for ShopMill)
Alignment 
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Reference point Position of the reference point
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Engraving text maximum 100 characters
X0 or R Reference point X (abs) or reference point length polar
– (for curved alignment only)
Y0 or α0 Reference point Y (abs) or reference point angle polar
– (for curved alignment only)
Z0 Reference point Z (abs)
Z1 Engraving depth (abs) or depth referred to Z0 (inc)
W Character height
DX1 or α2 Distance between characters or angle of opening – (for curved alignment only)
DX1 or DX2 Distance between characters or total width – (for linear alignment only)
α1 Text direction (for linear alignment only)
XM or LM Center point X (abs) or center point length polar
– (for curved alignment only)
YM or αM Center point X (abs) or center point angle polar
– (for curved alignment only)
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
(linear alignment)
(curved alignment)
(curved alignment)
bottom left
bottom center
bottom right
top left
top center
top right
left-hand edge
center
right-hand edge
Programming technological functions (cycles)
8.2 Milling
Unit
mm/min
mm/min
mm/tooth
mm
mm or
degrees
mm
mm
mm
mm or
degrees
mm
Degrees
mm
mm
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