14.1 Switch-on, switch-off..........................................................................................................................482

Switch-on............................................................................................................................................... 482

Switch-off...............................................................................................................................................484

14.2 Moving the machine axes..................................................................................................................485

Note.......................................................................................................................................................485

Moving the axis with the axis direction keys....................................................................................... 485

Incremental jog positioning...................................................................................................................486

Traverse with electronic handwheels....................................................................................................487

14.3 Spindle speed S, feed rate F and miscellaneous function M......................................................... 497

Application............................................................................................................................................. 497

Entering values......................................................................................................................................497

Adjusting spindle speed and feed rate................................................................................................. 498

Feed rate limit F MAX.......................................................................................................................... 498

14.4 Optional safety concept (functional safety FS)................................................................................499

Miscellaneous........................................................................................................................................499

Explanation of terms............................................................................................................................. 500

Checking the axis positions.................................................................................................................. 501

Activating feed-rate limitation............................................................................................................... 501

Additional status displays......................................................................................................................502

14.5 Datum management with the preset table......................................................................................503

Note.......................................................................................................................................................503

Saving the datums in the preset table................................................................................................. 504

Activating the datum............................................................................................................................. 510

14.6 Datum setting without a 3-D touch probe.......................................................................................511

Note.......................................................................................................................................................511

Preparation.............................................................................................................................................511

Datum setting with an end mill............................................................................................................ 511

Using touch probe functions with mechanical probes or measuring dials............................................512

HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016

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