Siemens SINUMERIK 840D SL Operating Manual page 382

Programming technological functions (cycles)
8.3 Contour milling
Predrilling 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
TR Reference tool Tool, which is used in the "solid machining" machining step. This is
used to determine the plunge position.
Z0 Reference point in the tool axis Z
Z1 Pocket depth (abs) or depth referred to Z0 (inc)
DXY
Maximum plane infeed
•
Maximum plane infeed as a percentage of the milling cutter diameter
•
UXY Finishing allowance, plane
UZ Finishing allowance, depth
Lift mode Lift mode before new infeed
If the machining operation requires several points of insertion, the retraction height to
which the tool is retracted, is selected as follows:
To retraction plane
•
Z0 + safety clearance
•
If there are no elements larger than Z0 in the pocket area, "Z0 + safety clearance" can
be selected as the lift mode.
382
1. The part program or ShopMill program to be processed has been
created and you are in the editor.
2. Press the "Cont. mill.", "Predrilling", and "Predrilling" softkeys.
The "Predrilling" input window opens.
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
%
mm
mm
mm
mm
Milling