Siemens SINUMERIK 828D Turning, Руководство по эксплуатации функций

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W1: Tool offset
18.5 Tool radius compensation 2D (TRC)
Basic Functions
1474
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Figure 18-20 Velocities in the SAR subblocks on retraction
18.5.4.4 System variables
Points P
3
and P
4
can be read in the WCS as system variables during approach.
Changing the WCS between the SAR block and the read operation has no effect on the position values.
$P_APR: Read P
3
(start point) in WCS
$P_AEP: Read P
4
(contour start point) in WCS
$P_APDV =1 If the content of $P_APR and $P_AEP is valid, i.e., if these contain the
position values belonging to the last SAR approach block programmed.
=0 The positions of an older SAR approach block are read.
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3 3 3 3 3