Siemens SINUMERIK 840D sl Operating Manual page 348

Programming technological functions (cycles)
8.2 Milling
Machining type
● Roughing
● Finishing
● Chamfering
Procedure
Parameters, G code program
PL Machining plane
Milling direction
RP Retraction plane
SC Safety clearance
F Feedrate
348
Roughing involves moving around the rectangular spigot until the programmed finishing
allowance has been reached.
If you have programmed a finishing allowance, the rectangular spigot is moved around
until depth Z1 is reached.
Chamfering involves edge breaking at the upper edge of the rectangular spigot.
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
mm
*
Parameters, ShopMill program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
mm/min
mm/tooth
rpm
m/min
Milling