Siemens SINUMERIK 840D sl Operating Manual page 432

Programming technology functions (cycles)
8.4 Milling
Table 8- 1
Parameters, G code program
PL Machining plane
Milling direction
RP Retraction plane
SC Safety clearance
F Feedrate
Parameter Description
Machining
Face C

surface
Face Y

Peripheral surface C

(only for
Peripheral surface Y

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
∇ (roughing)

∇∇∇ (finishing)

Machining direction:
Z0 → Z1

Machining from top to bottom
Z1 → Z0

Machining from bottom to top
Direction of rotation of the thread:
Right-hand thread

A right-hand thread is cut.
Left-hand thread

A left-hand thread is cut.
432
Parameters, ShopTurn program
T
D
mm F
mm S / V
mm/min
Tool name
Cutting edge number
Feedrate
Spindle speed or constant
cutting rate
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
mm/min
mm/rev
rpm
m/min
Unit
Turning