Siemens SINUMERIK 840D sl Function Manual page 1546

W1: Tool offset
18.15 Examples
Figure 18-55 Tool length compensation, example 8
The geometry component of the tool remains unchanged due to _CORMODE = 1. The
compensation vector defined in the WCS (rotation about y axis) must be included in the wear
component such that the total tool length in the figure refers to point P
wear component of the tool is given in relation to the distance between points P
However, since the wear is evaluated negatively, due to setting data SD42930, the
compensation determined in this way has to be entered in the compensation memory with a
negative sign. The contents of the relevant tool parameters at the end of the program are thus:
$TC_DP3[1,1]
$TC_DP4[1,1]
$TC_DP5[1,1]
$TC_DP12[1,1]
$TC_DP13[1,1]
$TC_DP14[1,1]
The effect of setting data SD42930 on the L3 component in the Y direction can be recognized
without the additional complication caused by the frame rotation.
Example 9:
2 (tool length must be valued in the diameter axis with the factor 0.5) is the value of machine
data:
MD20360 $MC_TOOL_PARAMETER_DEF_MASK (definition of tool parameters).
1546
: 10.000
: 15.000
: 10.000
: 2.010
: -16.160
: -5.000
. Therefore, the resulting
2
; Geometry L1 (unchanged)
; Geometry L2 (unchanged)
; Geometry L3 (unchanged)
; Wear L1
;(= 10 -15*cos(30) + 10*sin(30))
; Wear L2
;(= -15*sin(30) - 10*cos(30))
; Wear L3
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
and P .
1 2
Basic Functions