Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.2 Milling
Milling
316 Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Procedure
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 "Slot" and "Open slot" softkeys.
The "Open slot" input window opens.
Parameters, G code program Parameters, ShopMill program
PL Machining plane T Tool name
Milling direction D Cutting edge number
RP Retraction plane mm F Feedrate mm/min
mm/rev
SC Safety clearance mm S / V Spindle speed or constant
cutting rate
rpm
m/min
F Feedrate mm/min
Parameters Description Unit
Reference point Position of the reference point:
 (lefthand edge)
 (center)
 (righthand edge)
Machining
 ∇ (roughing)
 ∇∇ (pre-finishing)
 ∇∇∇ (finishing)
 ∇∇∇ base (base finishing)
 ∇∇∇ edge (edge finishing)
 Chamfering
Technology
 Vortex milling
The milling cutter performs circular motions along the length of the slot and back
again.
 Plunge cutting
Sequential drilling motion along the tool axis.
Milling direction: - (except plunge cutting).
 Climbing
 Conventional