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Siemens SINUMERIK 840D sl - Page 528

Siemens SINUMERIK 840D sl
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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
Position Form F machining position:
Undercut size according to DIN table:
e.g.: F0.6 x 0.3 (undercut form F)
X0 Reference point X ∅ mm
Z0 Reference point Z mm
X1 Allowance in X ∅ (abs) or allowance in X (inc) mm
Z1 Allowance in Z (abs) or allowance in Z (inc) – (for undercut form F only) mm
VX Cross feed ∅ (abs) or cross feed (inc) mm
* Unit of feedrate as programmed before the cycle call
Programming technological functions (cycles)
10.4 Turning - milling/turning machine
Milling
528 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0

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