Siemens SINUMERIK 840D Operating Manual page 361

Parameters, G code program (undercut, form E)
PL Machining plane
SC Safety clearance
F Feedrate
Parameters
Position
X0
Z0
X1
UX
Parameters, G code program (undercut, form F)
PL Machining plane
SC Safety clearance
F Feedrate
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
3. Press the "Undercut" softkey.
The "Undercut" input window opens.
4. Select one of the following undercut cycles via the softkeys:
Press the "Undercut form E" softkey.
The "Undercut form E (DIN 509)" input window opens.
- OR
Press the "Undercut form F" softkey.
The "Undercut form F (DIN 509)" input window opens.
mm
mm/min
Description
Form E machining position:
Undercut size according to DIN table:
E.g.: E1.0 x 0.4 (undercut form E)
Reference point X ∅
Reference point Z
Allowance in X ∅ (abs) or allowance in X (inc)
Cross feed ∅ (abs) or cross feed (inc)
mm
mm/min
Programming technological functions (cycles)
8.4 Turning - only for G code programs
Unit
mm
mm
mm
mm
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