14.1 Switch-on, switch-off..........................................................................................................................476

Switch-on............................................................................................................................................... 476

Switch-off...............................................................................................................................................478

14.2 Moving the machine axes..................................................................................................................479

Note.......................................................................................................................................................479

Moving the axis with the axis direction keys....................................................................................... 479

Incremental jog positioning...................................................................................................................480

Traverse with electronic handwheels....................................................................................................481

14.3 Spindle speed S, feed rate F and miscellaneous function M......................................................... 491

Application............................................................................................................................................. 491

Entering values......................................................................................................................................491

Adjusting spindle speed and feed rate................................................................................................. 492

Activating feed-rate limitation............................................................................................................... 492

14.4 Optional safety concept (functional safety FS)................................................................................493

Miscellaneous........................................................................................................................................493

Explanation of terms............................................................................................................................. 494

Checking the axis positions.................................................................................................................. 495

Activating feed-rate limitation............................................................................................................... 496

Additional status displays......................................................................................................................496

14.5 Datum management with the preset table......................................................................................497

Note.......................................................................................................................................................497

Saving the datums in the preset table................................................................................................. 498

Activating the datum............................................................................................................................. 504

14.6 Datum setting without a 3-D touch probe.......................................................................................505

Note.......................................................................................................................................................505

Preparation.............................................................................................................................................505

Datum setting with an end mill............................................................................................................ 505

Using touch probe functions with mechanical probes or measuring dials............................................506

HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015

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