Siemens Sinumerik 840D Operating Turning page 35

Milling
Y0 Reference point Y
(Rectangular (only for a single location)
/circular
pocket)
(Rectangular
spigot)
Y0 Reference point 1 Y
(Planar
milling)
Y1 Reference point 2 Y referred to Y0
(Planar
milling)
YM
Centre point Y (abs) or C (abs)
(Engraving) (only for curved alignment)
(only for machining face mantle C/Y)
YS
Starting point Y
(Pocket (only for manual starting point preset)
Milling)
Z0
Reference point Z
(Rectangular (only for single location)
/circular
pocket)
(Rectangular
spigot)
Z0 Height of the raw material
(Planar
milling)
Z1
Height of the finished item referred to Z0
(Planar
milling)
Z1 Final depth (abs) or final depth referred to Z0 or
X0 (inc)
Z1 Engraving depth (abs) or depth referred to Z0 or
(Engraving) X0 (inc)
Z1
End point of the thread (abs) or thread length
(Thread- (inc)
milling)
ZFS Plunging depth tool point (abs or inc)
(only for chamfering)
Machining face Front C/Y
ZM Centre point Z (abs)
(Engraving) (only for curved alignment)
(only for machining face mantle C/Y)
840D/828D SINUMERIK Operate
Unit
mm
or
Degrees
mm
mm
mm
or
Degrees
mm
mm
mm
mm
mm
mm
mm
mm
Page 33
Section 5
Notes
B500
B500