Siemens SINUMERIK 840D SL Operating Manual page 388

Programming technological functions (cycles)
8.3 Contour milling
5. The spigot is again approached in a quadrant and machine in parallel with the contours
6. Steps 4 and 5 are repeated until the programmed spigot depth is reached.
7. The tool moves back to the safety clearance in rapid traverse.
Procedure
Parameters, G code program
PRG Name of the program to be generated
PL Machining plane
Milling direction
•
•
RP Retraction plane
SC Safety clearance
F Feedrate
Parameter Description
Machining The following machining operations can be selected:
∇ (roughing)
•
∇∇∇ base (base finishing)
•
∇∇∇ edge (edge finishing)
•
Chamfering
•
Z0 Reference point in the tool axis Z
Z1 Pocket depth (abs) or depth relative to Z0 (inc)
- (only for ∇, ∇∇∇ base or ∇∇∇ edge)
DXY
Maximum plane infeed
•
Maximum plane infeed as a percentage of the milling cutter diameter
•
- (only for ∇ and ∇∇∇ base)
388
from outside in.
1. The part program or ShopMill program to be processed has been
created and you are in the editor.
2. Press the "Contour milling" and "Spigot" softkeys.
The "Mill spigot" input window opens.
3. Select the "Roughing" machining type.
Climbing
Conventional
mm
mm
mm/min
Parameters, ShopMill program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 02/2012, 6FC5398-7CP40-3BA0
mm/min
mm/tooth
rpm
m/min
Unit
mm
mm
mm
%
Milling