Siemens SINUMERIK 840D sl Operating Manual page 402

Programming technology functions (cycles)
8.4 Milling
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 ∇ and ∇∇∇)
(only for G code)
Reference point The following different reference point positions can be selected:


(only for
ShopTurn)



Machining surface
Face C

Face Y

Peripheral surface Y

(only for
ShopTurn)
Position
At the front (face)

At the rear (face)

Outside (peripheral surface)

(only for
ShopTurn)
Inside (peripheral surface)

Clamp/release spindle (only for end face Y/peripheral surface Y)
The function must be set up by the machine manufacturer.
(only for
ShopTurn)
Machining The following machining technologies can be selected:
∇ (roughing)

∇∇∇ (finishing)

Chamfering

402
mm
mm
*
(center)
(bottom left)
(bottom right)
(top left)
(top right)
Parameters, ShopTurn program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
mm/min
mm/tooth
rpm
m/min
Unit
*
Turning