Siemens Sinumerik 840D Operating Turning page 11

Turning
XA 1st limit XA Ø (abs) (limiting)
XB 2nd limit XB Ø (abs) (limiting)
(Metal re-
moval)
XD Allowance or cylinder dimension (inc)
(Parting)
XDA
1st parting-limit tool Ø (abs)
(Parting)
XDB 2nd parting-limit tool Ø (abs)
(Parting)
XF2 Relief cut (alternative to FS2 or R2)
(Metal re-
moval)
XM Intermediate point referred to X0
Z0 Reference point Z (abs)
(Back-cut)
Z1
End point Z Ø (abs) referred to Z0
(Metal re-
moval)
Z1 Allowance in Z
(Relief cut)
Z1 End point of the thread
(Thread)
ZA 1st limit ZA (abs) (limiting)
(Metal re-
moval)
ZB 2nd limit ZB (abs) (limiting)
(Metal re-
moval)
ZD
Allowance or cylinder dimension (inc)
(Parting)
ZM Intermediate point Z
Infeed
Linear:
Infeed with constant cutting depth
Diminishing:
Infeed with constant chip cross-section
840D/828D SINUMERIK Operate
Unit
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
Page 9
Section 3
Notes
B500
B500