Siemens SINUMERIK 840D sl Turning Operating Manual page 870

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Working with Manual Machine
16.6 More complex machining
Parameter
The parameters of the input screen forms correspond to the parameters under Automatic (see
Section "Rotate (Page 406)").
Thread cutting
In addition to the functions that are made available by "thread-cutting" under Automatic, you
can insert idle cuts during the machining process under "Manual Machine."
You can interrupt the infeed of the cutting depth during the machining process by inserting idle
cuts, in order to smooth the flanks for example.
Thread re-machining
You can re-machine existing threads, when repairing previously cut threads for example or as
the result of changes that arise from re-measuring (see Section "Thread synchronizing
(Page 150)").
870
You can insert idle cuts using the "Idle cut" softkey.
This softkey is only active during machining.
Operating Manual, 06/2019, A5E44903486B AB
Turning

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