Milling With Manual Machine - Siemens SINUMERIK 840D sl Operating Manual

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The parameters of the input screen forms correspond to the parameters under Automatic

(see Section "Auto-Hotspot").

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 rework existing threads, when repairing previously cut threads for example or as the

result of changes that arise from re-measuring (see Section "Auto-Hotspot").

If you want to rework some threads, input the initial plunge depth E (inc.). This is the depth

that was reached during a previous machining.

By inputting the plunge depth, you avoid unnecessary idle cuts when reworking the threads.

Milling with Manual Machine

The same range of technological functions (cycles) is available as in automatic mode for the

milling of simple geometric shapes.

Operating Manual, 02/2012, 6FC5398-8CP40-3BA0

You can insert idle cuts using the "Idle cut" softkey.

This softkey is only active during machining.

Machine manufacturer

Please refer to the machine manufacturer's specifications.

Working with Manual Machine

13.6 More complex machining

Sinumerik 828d turning