Siemens Sinumerik 840D Operating Turning page 7

Turning
Machining
Planar
direction
Longitudinal
Parallel to contour
Contour-
From inside outward
turning
From outside inward
(Metal re-
From front to rear end
moval)
From rear end to front
Raw material description (contour, cylinder; al-
BL
lowance)
D Cutting edge number
Maximum infeed depth (inc)
D
D1
First infeed depth
(Thread)
Start-changing depth (inc)
DA
At 0 continuous cut
DI
DIR
Spindle rotation direction
(parting)
counter-clockwise (CCW)
clockwise (CW)
DP Infeed taper as a flank (inc)
(Longitudinal
thread)
DP
Distance of back-cut (inc)
(Back-cut) DP is not displayed when N = 1
Maximum infeed depth (only parallel to contour
DX
alternatively to D)
Maximum infeed depth (only for parallel to con-
DZ
tour and UX)
Limiting Machining range limitation
Yes
XA: 1st limit XA Ø
XB: 2nd limit XB Ø (abs)
or 2nd limit referred to XA (inc)
ZA: 1st limit ZA
ZB: 2nd limit ZB (abs)
or 2nd limit referred to ZA
No
840D/828D SINUMERIK Operate
Unit
mm
mm
mm
mm
mm
Page 5
Section 3
Notes
B500
B500