Siemens SINUMERIK 840D sl User Manual

Parameter Description Unit
αC
(for ShopMill program)
Rotational position for a pole position Degrees
Hirth joint
● Round to the next Hirth joint
● Round up to Hirth joint
● Round down to Hirth joint
Note:
For machines with a Hirth joint
Tool Tool tip when swiveling
● Tracking
The position of the tool tip is maintained during swiveling.
● No tracking
The position of the tool tip is not maintained during swiveling.
Preferred direction (for
ShopMill program)
Preferred direction of the swivel axis for several possible alignments of the machine
Machining
● ∇ (roughing)
● ∇∇∇ (finishing)
● ∇ + ∇∇∇ (roughing and finishing)
Infeed (only for ∇ and ∇
+ ∇∇∇)
● Linear:
Constant cutting depth infeed
● Degressive:
Constant cutting cross-section infeed
Thread
● Internal thread
● External thread
X0 Reference point X ∅ (abs, always diameter) mm
Z0 Reference point Z (abs) mm
P0 Thread pitch 1 mm/rev
in/rev
turns/"
MODULUS
X1 or X1α
● Intermediate point 1 X ∅ (abs) or
● Intermediate point 1 in relation to X0 (inc) or
● Thread taper 1
Incremental dimensions: The sign is also evaluated.
mm
Degrees
Programming technological functions (cycles)
10.4 Turning - milling/turning machine
Milling
Operating Manual, 08/2018, 6FC5398-7CP41-0BA0 565

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based