Siemens SINUMERIK 840D sl Operating Manual page 369

Procedure when centering
Parameters, G code program
PRG Name of the program to be generated
PL Machining plane
Milling direction
Climbing
•
Conventional
•
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 Z
Z1 Depth with reference to Z0 (inc.)
DXY
Maximum plane infeed
•
Maximum plane infeed as a percentage of the milling cutter diameter
•
UXY Finishing allowance, plane
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.
Milling
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
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 "Centering" softkeys.
The "Centering" input window opens.
mm
mm
mm/min
Programming technological functions (cycles)
Parameters, ShopMill program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
8.3 Contour milling
mm/min
mm/tooth
rpm
m/min
Unit
mm
mm
mm
%
mm
mm
mm
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