Siemens sinumerik 840D sl Operating Manual page 378

Programming technology functions (cycles)
8.4 Milling
Parameters Description
Face C
Machining 
surface
Face Y

(only for
Peripheral surface C

ShopTurn)
Peripheral surface Y

Alignment 


Reference point Position of the reference point









Engraving text maximum 100 characters
Default: The positions refer to the reference point:
X0 or R Reference point X or reference point length polar
Y0 or α0 Reference point Y or reference point angle polar
Z0 Reference point Z
(only for G code)
– (only for curved alignment)
Face C: The positions refer to the reference point:
X0 or L0 Reference point X or reference point length polar
Y0 or C0 Reference point Y or reference point angle polar
Z0 Reference point Z
(only ShopTurn)
Face Y: The positions refer to the reference point:
CP Positioning angle for machining area
X0 or L0 Reference point X or reference point length polar
Y0 or C0 Reference point Y or reference point angle polar
Z0 Reference point Z
(only ShopTurn)
Peripheral surface C: The positions refer to the reference point:
Y0 or C0 Reference point Y or reference point angle polar – (only for single position)
Z0 Reference point Z
X0 Cylinder diameter ∅
(only ShopTurn)
378
(linear alignment)
(curved alignment)
(curved alignment)
bottom left
bottom center
bottom right
top left
top center
top right
lefthand edge
center
righthand edge
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
Unit
mm
mm or
degrees
mm
mm
mm or
degrees
mm
Degrees
mm
mm or
degrees
mm
mm or
degrees
mm
mm
Turning