Siemens SINUMERIK 840D sl Operating Manual page 115

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Operating Manual, 03/2013, 6FC5398-8CP40-3BA1

The thread synchronization is activated by teaching in a spindle. In this

case, the synchronizing positions of axes X and Z and the

synchronizing angle of spindle (Sn) are saved in the Machine and

displayed in the screen form.

The selection boxes for main spindle and counterspindle indicate

whether thread synchronization is active for the particular spindle (yes =

active / no = not active).

Now carry out the "thread turning" machining step.

For the main spindle or counterspindle, select the "no" entry to

deactivate thread synchronization.

Working in manual mode

3.7 Thread synchronizing

Sinumerik 828d turning