Siemens SINUMERIK 840D User Manual

B500
B500 Page 4 840D/828D SINUMERIK Operate
Notes
Turning Section 3
Unit
α
(Thread re-
lief)
Plunge angle Degrees
α0
Starting angle offset Degrees
α1
Angle of the tapers Degrees
α1
(Metal re-
moval)
Angle of the first edge Degrees
α1
(Back-cut)
Flange angle 1 Degrees
α2
(Metal re-
moval)
Angle of the second edge Degrees
α2
(Back-cut)
Flange angle 2 Degrees
αP
Infeed taper (angle) Degrees
Allowance
(Metal re-
moval)
Finishing allowance ( only with finishing)
Yes
U1 contour allowance
No
mm
Selection
(Thread)
Statement of the tabular value, e.g. M10, M12,
M14,…
B1
Width of back-cut mm
B2
Width of back-cut, top mm
Machining
Roughing
Finishing
Roughing + Finishing
Machining
direction
Turning
(Metal re-
moval part-
ing)
Machining directions
Planar
Longitudinal
Machining
direction
(Thread re-
lief)
Longitudinal
Parallel to contour

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB