Siemens SINUMERIK 840D sl Turning - Page 127

Main spindle
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Dimensioning, main spindle jaw
type 1
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Dimensioning, main spindle jaw type 2
① Stop edge
② Front edge
Counter-spindle
You can measure either the forward edge or stop edge of the counter-spindle. The forward
edge or stop edge automatically serves as the valid reference point when traversing the
counter-spindle. This is especially important when gripping the workpiece using the counter-
spindle.


=6=&
Dimensioning, counter-spindle jaw type 1


=(=6=&
Dimensioning, counter-spindle jaw type 2
① Stop edge
② Front edge
Setting up the machine
4.9 Monitoring axis and spindle data
Turning
Operating Manual, 06/2019, A5E44903486B AB 127