Switch-on...................................................................................................................................................................... 166

Traversing reference points..................................................................................................................................... 168

Switching off................................................................................................................................................................170

5.2

Moving the machine axes.............................................................................................................. 171

Note............................................................................................................................................................................... 171

Moving the axis with the axis direction keys....................................................................................................... 171

Incremental jog positioning......................................................................................................................................172

Traversing with electronic handwheels................................................................................................................. 173

5.3

Spindle speed S, feed rate F and miscellaneous function M........................................................... 183

Application....................................................................................................................................................................183

Entering values............................................................................................................................................................183

Changing the spindle speed and feed rate...........................................................................................................184

Feed-rate limit F MAX................................................................................................................................................185

5.4

Integrated functional safety (FS).................................................................................................... 186

Miscellaneous..............................................................................................................................................................186

Functional safety (FS) status displays.................................................................................................................. 187

Checking the axis positions..................................................................................................................................... 190

Activating feed-rate limits.........................................................................................................................................191

5.5

Preset management....................................................................................................................... 192

Note............................................................................................................................................................................... 192

Creating and activating an INCH-based preset table......................................................................................... 193

Saving presets in the table.......................................................................................................................................194

Protecting presets from being overwritten...........................................................................................................198

Activating a preset..................................................................................................................................................... 200

5.6

Presetting without a 3D touch probe.............................................................................................. 201

Note............................................................................................................................................................................... 201

Preparation...................................................................................................................................................................201

Presetting with an end mill...................................................................................................................................... 202

Using touch probe functions with mechanical probes or measuring dials....................................................203

5.7

Using a 3-D touch probe (option 17).............................................................................................. 204

Introduction..................................................................................................................................................................204

Overview....................................................................................................................................................................... 206

Suppressing touch probe monitoring.................................................................................................................... 208

Functions in touch probe cycles.............................................................................................................................209

Selecting the probing cycle...................................................................................................................................... 212

Recording measured values from the touch probe cycles............................................................................... 212

Writing measured values from the touch probe cycles to a datum table......................................................213

Writing measured values from the touch probe cycles to the preset table...................................................214

HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022

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