Siemens SINUMERIK 840D Operation/Programming Manual page 208

3
Programming with ShopMill
3.5 Contour milling
Predrilling
Predrilling
>
Predrilling
Call the help display
with the
Parameters Description
T, F, S See Sec. "Programming the tool, offset value and spindle speed".
TR Reference tool for predrilling
Z0 Workpiece height (abs.)
Z1 Depth with reference to Z0 (inc.)
DXY Max. infeed plane
Alternately, you can specify the plane infeed as a %, as the ratio --> plane infeed
(mm) to milling cutter diameter (mm).
UXY Finishing allowance, plane
UZ Finishing allowance, depth
Retraction Retraction mode before new infeed
mode If a machining operation requires several insertion points, you can program the
retraction height:
•
•
On making the transition to the next insertion point, the tool returns to this height. If
there are no elements larger than Z0 in the pocket area, "Z0 + safety clearance" can
be selected as the retraction mode.
3-208
Press the "Cont. mill.", "Predrilling", and "Predrilling" softkeys.
key
Predrilling a contour pocket
To retraction plane
Z0 + safety clearance
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
3
10.04
Unit
mm
mm
mm
%
mm
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mm
mm
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