Siemens SINUMERIK 840D Operating Manual page 300

Programming technological functions (cycles)
8.2 Milling
Procedure
Parameters, G code program
PL Machining plane
Milling direction
RP Retraction plane
SC Safety clearance
F Feedrate
Parameter Description
FZ Depth infeed rate
(only for G code)
Reference point The following different reference point positions can be selected:





∇ (roughing)
Machining 
∇∇∇ (finishing)

Chamfering

Single position
Machining 
position
A rectangular spigot is machined at the programmed position (X0, Y0, Z0).
Position pattern

Several rectangular spigots are machined in a position pattern
(e.g. full circle, pitch circle, grid, etc.).
The positions refer to the reference point:
X0 Reference point X – (for single position only)
Y0 Reference point Y – (for single position only)
Z0 Reference point Z – (for single position only)
W Width of spigot
L Length of spigot
300
1. The part program or ShopMill program to be processed has been
created and you are in the editor.
2. Press the "Milling" softkey.
3. Press the "Multi-edge spigot" and "Rectangular spigot" softkeys.
The "Rectangular Spigot" input window opens.
mm (in)
mm
mm/min
(center)
(bottom left)
(bottom right)
(top left)
(top right)
Parameters, ShopMill program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
mm/min
mm/rev
rpm
m/min
Unit
mm/min
mm
mm
mm
mm
mm
Milling