HEIDENHAIN TNC 640 (34059x-18) User manual

TNC640

User's Manual

Setup, Testing and Running

NC Programs

NC Software

34059x-18

English (en)

10/2023

Controls and displays

Keys

If you are using a TNC640 with touch control, you can

replace some keystrokes with gestures.

Further information: "Operating the Touchscreen",

Page 581

Keys on the screen

Key Function

Select screen layout

Toggle the display between machine

operating mode, programming

mode, and a third desktop

Soft keys for selecting functions on

screen

Switch the soft-key rows

Alphabetic keyboard

Key Function

File names, comments

ISO programming

Select the next element; for example,

an input field, button, or selection

option

SHIFT + TAB Select the previous element

Open the HEROS menu

Machine operating modes

Key Function

Manual operation

Electronic handwheel

Positioning with Manual Data Input

Program Run, Single Block

Program Run, Full Sequence

Programming modes

Key Function

Programming

Test Run

2HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Controls and displays

Entering and editing coordinate

axes and numbers

Key Function

. . .

Select the coordinate axes or enter

them in the NC program

. . .

Numbers

Decimal separator / Reverse

algebraic sign

Polar coordinate entry /

Incremental values

Q parameter programming /

Q parameter status

Capture actual position

NO

ENT

Skip dialog questions, delete words

Confirm entry and resume dialog

Conclude the NC block, end your

input

Clear entries or error message

Abort dialog, delete program section

Tool functions

Key Function

Define tool data in the NC program

Call tool data

Managing NC programs and files,

control functions

Key Function

Select or delete NC programs or

files, external data transfer

Define program call, select datum

and point tables

Select MOD functions

Display help text for NC error

messages, call TNCguide

Display all current error messages

Show calculator

Show special functions

Currently not assigned

Navigation keys

Key Function

Position the cursor

Go directly to NC blocks, cycles, and

parameter functions

Navigate to the beginning of a

program or table

Navigate to the end of the program

or table row

Navigate up one page

Navigate down one page

Select the next tab in forms

Up/down one dialog box or button

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 3

Controls and displays

Cycles, subprograms, and

program-section repeats

Key Function

Define touch probe cycles

Define and call cycles

Enter and call subprograms and

program section repeats

Enter program stop in an

NC program

Programming path contours

Key Function

Contour approach and departure

FK free contour programming

Straight line

Circle center/pole for polar coordi-

nates

Circular arc with center

Circular arc with radius

Circular arc with tangential transition

Chamfer/rounding arc

Potentiometer for feed rate

and spindle speed

Feed rate Spindle speed

3D mouse

A HEIDENHAIN 3D mouse is available as a complement

to the keyboard unit.

A 3D mouse allows you to manipulate objects as

intuitively as if you were holding them in your hands.

This is made possible through simultaneous six-degree-

of-freedom motion:

2D movement in the XY plane

3D rotation around the axes X, Y, and Z

Zooming in or zooming out

These options increase the ease of use in the following

applications in particular:

CAD import

Material removal simulation

3D applications of an external PC that you can

use on the control based on software option 133

(Remote Desktop Manager)

4HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

1 Basic Information................................................................................................................... 27

2 First Steps............................................................................................................................. 43

3 Fundamentals........................................................................................................................ 55

4 Tools...................................................................................................................................... 133

5 Setup..................................................................................................................................... 175

6 Testing and Running.............................................................................................................. 257

7 Special Functions................................................................................................................... 325

8 Pallets.................................................................................................................................... 383

9 Turning.................................................................................................................................. 407

10 Grinding................................................................................................................................. 429

11 MOD Functions...................................................................................................................... 443

12 HEROS Functions................................................................................................................... 473

13 Operating the Touchscreen.................................................................................................... 581

14 Tables and Overviews............................................................................................................ 597

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 5

Table of contents

6HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

1 Basic Information................................................................................................................... 27

1.1 About this manual...................................................................................................................... 28

1.2 Control model, software and features........................................................................................ 30

Software options.................................................................................................................................................... 32

New functions 34059x-18................................................................................................................................... 37

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 7

Table of contents

2 First Steps............................................................................................................................. 43

2.1 Overview..................................................................................................................................... 44

2.2 Switching on the machine.......................................................................................................... 45

Acknowledging the power interruption and moving to the reference points............................................ 45

2.3 Graphically testing the workpiece............................................................................................... 46

Selecting the Test Run operating mode........................................................................................................... 46

Selecting the tool table........................................................................................................................................ 46

Selecting the NC program................................................................................................................................... 47

Selecting the screen layout and the view........................................................................................................ 47

Starting the test run.............................................................................................................................................. 48

2.4 Setting up tools.......................................................................................................................... 49

Selecting the Manual operation mode.............................................................................................................. 49

Preparing and measuring tools.......................................................................................................................... 49

Editing the TOOL.T tool table............................................................................................................................. 50

Editing the TOOL_P.TCH pocket table.............................................................................................................. 51

2.5 Workpiece setup......................................................................................................................... 52

Selecting the correct operating mode.............................................................................................................. 52

Clamping the workpiece...................................................................................................................................... 52

Presetting with a 3-D touch probe.................................................................................................................... 52

2.6 Machining the workpiece............................................................................................................ 54

Selecting the Program run, single block or Program run, full sequence operating mode...................... 54

Selecting the NC program................................................................................................................................... 54

Starting an NC program....................................................................................................................................... 54

8HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

3 Fundamentals........................................................................................................................ 55

3.1 The TNC640.............................................................................................................................. 56

HEIDENHAIN Klartext and ISO........................................................................................................................... 56

Compatibility........................................................................................................................................................... 56

Data security and data protection..................................................................................................................... 57

3.2 Visual display unit and operating panel...................................................................................... 59

Display screen........................................................................................................................................................ 59

Setting the screen layout..................................................................................................................................... 59

Operating panel...................................................................................................................................................... 60

Extended Workspace Compact.......................................................................................................................... 63

3.3 Modes of operation.................................................................................................................... 66

Manual Operation and El. Handwheel............................................................................................................... 66

Positioning with Manual Data Input.................................................................................................................. 66

Programming.......................................................................................................................................................... 67

Test Run.................................................................................................................................................................. 67

Program Run, Full Sequence and Program Run, SingleBlock..................................................................... 68

3.4 Status displays........................................................................................................................... 69

General status display.......................................................................................................................................... 69

Additional status displays.................................................................................................................................... 72

3.5 File management........................................................................................................................ 84

Files........................................................................................................................................................................... 84

Displaying externally generated files on the control...................................................................................... 86

Directories............................................................................................................................................................... 86

Paths......................................................................................................................................................................... 86

Calling the File Manager...................................................................................................................................... 87

Additional functions.............................................................................................................................................. 88

Selecting drives, directories and files............................................................................................................... 90

Choosing one of the last files selected............................................................................................................ 92

USB devices on the control................................................................................................................................. 92

Data transfer to or from an external data carrier........................................................................................... 94

The control within the network.......................................................................................................................... 95

Data backup............................................................................................................................................................ 96

Importing a file from an iTNC 530.................................................................................................................... 96

Software tools for management of external file types................................................................................. 97

3.6 Error messages and help system............................................................................................... 106

Error messages...................................................................................................................................................... 106

TNCguide: context-sensitive help....................................................................................................................... 112

3.7 NC fundamentals........................................................................................................................ 118

Position encoders and reference marks.......................................................................................................... 118

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 9

Table of contents

Programmable axes.............................................................................................................................................. 118

Reference systems................................................................................................................................................ 119

3.8 Accessories: HEIDENHAIN 3-D touch probes and electronic handwheels................................... 131

3-D touch probes................................................................................................................................................... 131

HR electronic handwheels................................................................................................................................... 132

10 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

4 Tools...................................................................................................................................... 133

4.1 Tool data.................................................................................................................................... 134

Tool number, tool name...................................................................................................................................... 134

Database ID............................................................................................................................................................ 134

Tool length L........................................................................................................................................................... 135

Tool radius R.......................................................................................................................................................... 137

Tool table fundamentals...................................................................................................................................... 137

Creating and activating an INCH-based tool table......................................................................................... 141

Entering tool data into the table........................................................................................................................ 142

Importing tool tables............................................................................................................................................ 147

Pocket table for tool changer............................................................................................................................. 148

Tool change............................................................................................................................................................ 152

Tool usage test...................................................................................................................................................... 153

4.2 Touch probe table...................................................................................................................... 156

Application............................................................................................................................................................... 156

Description of function......................................................................................................................................... 156

Editing the touch probe table............................................................................................................................. 157

4.3 Tool management....................................................................................................................... 158

Basics....................................................................................................................................................................... 158

Calling tool management.................................................................................................................................... 159

Editing tool management.................................................................................................................................... 160

Available tool types............................................................................................................................................... 163

Importing and exporting tool data..................................................................................................................... 165

4.4 Tool carrier management........................................................................................................... 168

Fundamentals......................................................................................................................................................... 168

Saving tool carrier templates.............................................................................................................................. 169

Parameterizing tool carriers................................................................................................................................ 170

Assigning a tool carrier........................................................................................................................................ 173

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 11

Table of contents

5 Setup..................................................................................................................................... 175

5.1 Switching on/off......................................................................................................................... 176

Switch-on................................................................................................................................................................. 176

Traverse reference points.................................................................................................................................... 178

Switching off........................................................................................................................................................... 180

5.2 Moving the machine axes........................................................................................................... 181

Note.......................................................................................................................................................................... 181

Moving the axis with the axis direction keys.................................................................................................. 181

Incremental jog positioning................................................................................................................................. 182

Traverse with electronic handwheels............................................................................................................... 183

5.3 Spindle speed S, feed rate F and miscellaneous function M....................................................... 193

Application............................................................................................................................................................... 193

Enter values............................................................................................................................................................ 193

Changing the spindle speed and feed rate...................................................................................................... 194

Feed-rate limit F MAX........................................................................................................................................... 195

5.4 Integrated Functional Safety (FS)............................................................................................... 196

General information.............................................................................................................................................. 196

Functional safety (FS) status displays............................................................................................................. 197

Testing the axis positions................................................................................................................................... 200

Activating feed-rate limits.................................................................................................................................... 201

5.5 Preset management................................................................................................................... 202

Note.......................................................................................................................................................................... 202

Creating and activating an INCH-based preset table.................................................................................... 203

Saving presets in the table.................................................................................................................................. 204

Protecting presets from being overwritten...................................................................................................... 208

Activating a preset................................................................................................................................................ 210

5.6 Presetting without a 3D touch probe.......................................................................................... 212

Note.......................................................................................................................................................................... 212

Preparation.............................................................................................................................................................. 212

Presetting with an end mill................................................................................................................................. 213

Using touch probe functions with mechanical probes or measuring dials............................................... 214

5.7 Using a 3-D touch probe............................................................................................................ 215

Introduction............................................................................................................................................................. 215

Overview................................................................................................................................................................... 217

Suppressing touch probe monitoring............................................................................................................... 219

Functions in touch probe cycles........................................................................................................................ 220

Selecting the probing cycle................................................................................................................................. 223

Recording measured values from the touch probe cycles.......................................................................... 223

Writing measured values from the touch probe cycles to a datum table................................................. 224

Writing measured values from the touch probe cycles to the preset table.............................................. 225

12 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

5.8 Calibrating 3-D touch probes...................................................................................................... 226

Introduction............................................................................................................................................................. 226

Calibrating the effective length.......................................................................................................................... 227

Calibrating the effective radius and compensating center misalignment................................................. 228

Calibrating an L-shaped stylus........................................................................................................................... 232

Displaying calibration values............................................................................................................................... 233

5.9 Compensating workpiece misalignment with 3-D touch probe.................................................... 234

Introduction............................................................................................................................................................. 234

Measuring a basic rotation................................................................................................................................. 236

Saving the basic rotation in the preset table.................................................................................................. 236

Compensation of workpiece misalignment by rotating the table............................................................... 236

Showing basic rotation and offset.................................................................................................................... 238

Rescinding basic rotation or offset................................................................................................................... 238

Determining a 3-D basic rotation....................................................................................................................... 239

Comparison of offset and 3D basic rotation.................................................................................................. 242

5.10 Presetting with a 3-D touch probe.............................................................................................. 243

Overview................................................................................................................................................................... 243

Presetting with active TCPM.............................................................................................................................. 243

Presetting on any axis.......................................................................................................................................... 244

Corner as preset.................................................................................................................................................... 245

Circle center as preset......................................................................................................................................... 246

Setting a center line as preset........................................................................................................................... 249

Measuring workpieces with a 3-D touch probe.............................................................................................. 250

5.11 Tilting the working plane (option 8)............................................................................................ 252

Application, function............................................................................................................................................. 252

Position display in a tilted system..................................................................................................................... 253

Limitations on working with the tilting function............................................................................................. 253

To activate manual tilting.................................................................................................................................... 254

Setting the tool-axis direction as the active machining direction............................................................... 256

Setting a preset in a tilted coordinate system................................................................................................ 256

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 13

Table of contents

6 Testing and Running.............................................................................................................. 257

6.1 Graphics..................................................................................................................................... 258

Application............................................................................................................................................................... 258

View options........................................................................................................................................................... 259

Tool........................................................................................................................................................................... 261

View.......................................................................................................................................................................... 262

Rotating, zooming and moving a graphic........................................................................................................ 263

Setting the speed of the Test Run mode......................................................................................................... 264

Repeating graphic simulation............................................................................................................................. 264

Shifting the sectional plane................................................................................................................................. 265

6.2 Monitoring for collisions............................................................................................................ 266

Application............................................................................................................................................................... 266

6.3 Measurement of machining time................................................................................................ 267

Application............................................................................................................................................................... 267

6.4 Showing the workpiece blank in the working space.................................................................... 268

Application............................................................................................................................................................... 268

6.5 Measuring................................................................................................................................... 270

Application............................................................................................................................................................... 270

6.6 Optional program-run interruption.............................................................................................. 271

Application............................................................................................................................................................... 271

6.7 Skipping NC blocks.................................................................................................................... 272

Test Run and Program Run................................................................................................................................ 272

Positioning w/ Manual Data Input..................................................................................................................... 273

6.8 Exporting a finished part............................................................................................................ 274

Application............................................................................................................................................................... 274

6.9 Test run...................................................................................................................................... 275

Application............................................................................................................................................................... 275

Test run execution................................................................................................................................................ 277

Executing a Test Run up to a certain NC block............................................................................................. 279

Using the GOTO key............................................................................................................................................. 280

Scrollbar................................................................................................................................................................... 281

6.10 Program run............................................................................................................................... 282

Application............................................................................................................................................................... 282

Running an NC program...................................................................................................................................... 282

Structuring NC programs.................................................................................................................................... 283

Checking and changing Q parameters............................................................................................................. 284

Interrupting, stopping or canceling a program............................................................................................... 286

14 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

Compensations during program run................................................................................................................. 288

Moving the machine axes during an interruption.......................................................................................... 290

Resuming program run after an interruption.................................................................................................. 291

Retraction after a power interruption................................................................................................................ 292

Starting the NC program at any point: Block scan........................................................................................ 295

Returning to the contour...................................................................................................................................... 301

6.11 Running CAM programs............................................................................................................. 303

From 3-D model to NC program........................................................................................................................ 303

Considerations required for post processor configuration.......................................................................... 304

Please note the following for CAM programming......................................................................................... 306

Possibilities for intervention on the control..................................................................................................... 308

ADP motion control............................................................................................................................................... 308

6.12 Functions for program display.................................................................................................... 309

Overview................................................................................................................................................................... 309

6.13 Automatic program start............................................................................................................ 310

Application............................................................................................................................................................... 310

6.14 Positioning w/ Manual Data Input operating mode..................................................................... 311

Positioning with manual data input (MDI)....................................................................................................... 312

Saving NC programs from $MDI........................................................................................................................ 314

6.15 Entering miscellaneous functions M and STOP.......................................................................... 315

Fundamentals......................................................................................................................................................... 315

6.16 Miscellaneous functions for program run inspection, spindle and coolant.................................. 316

Overview................................................................................................................................................................... 316

6.17 Miscellaneous functions for coordinate entries.......................................................................... 317

Programming machine-referenced coordinates: M91/M92......................................................................... 317

Moving to positions in a non-tilted input coordinate system with a tilted working plane: M130.......... 319

6.18 Miscellaneous functions for path behavior................................................................................. 320

Superimposing handwheel positioning during program run: M118........................................................... 320

Deleting basic rotation: M143............................................................................................................................. 322

Lifting off the tool automatically from the contour at NC stop: M148...................................................... 323

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 15

Table of contents

7 Special Functions................................................................................................................... 325

7.1 Dynamic Collision Monitoring (option40)................................................................................... 326

Function................................................................................................................................................................... 326

Graphic display of the collision objects........................................................................................................... 328

Collision monitoring in the manual operating modes................................................................................... 329

Collision monitoring in the Test Run operating mode.................................................................................. 329

Collision monitoring in the Program Run operating modes......................................................................... 331

Activating and deactivating collision monitoring............................................................................................ 332

Activating and deactivating collision monitoring in the NC program......................................................... 334

7.2 Adaptive Feed Control (AFC) (option45).................................................................................... 336

Application............................................................................................................................................................... 336

Defining basic AFC settings................................................................................................................................ 337

Programming AFC................................................................................................................................................. 339

Recording a teach-in cut...................................................................................................................................... 342

Activating and deactivating AFC........................................................................................................................ 346

Log file..................................................................................................................................................................... 348

Tool wear monitoring........................................................................................................................................... 349

Tool load monitoring............................................................................................................................................ 349

7.3 Active Chatter Control (ACC) (option 145)................................................................................. 350

Application............................................................................................................................................................... 350

Activating ACC....................................................................................................................................................... 351

7.4 Global Program Settings (option 44).......................................................................................... 352

Application............................................................................................................................................................... 352

Activating and deactivating a function............................................................................................................. 354

Information area.................................................................................................................................................... 357

Additive offset (M-CS).......................................................................................................................................... 357

Additive basic rotat. (W-CS)................................................................................................................................ 358

Shift (W-CS)............................................................................................................................................................ 359

Mirroring (W-CS).................................................................................................................................................... 360

Shift (mW-CS)......................................................................................................................................................... 361

Rotation (WPL-CS)................................................................................................................................................. 362

Handwheel superimp............................................................................................................................................ 364

Feed rate factor..................................................................................................................................................... 367

7.5 Defining a counter...................................................................................................................... 368

Application............................................................................................................................................................... 368

Defining FUNCTION COUNT............................................................................................................................... 369

7.6 Fixture management................................................................................................................... 370

Fundamentals of fixtures..................................................................................................................................... 370

Application............................................................................................................................................................... 371

Using a fixture in CFG format............................................................................................................................ 372

Creating fixtures in CFG format with KinematicsDesign.............................................................................. 374

16 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

Direct use of 3D models as fixtures................................................................................................................. 376

List of CFG functions........................................................................................................................................... 377

Example: CFG description of a vise.................................................................................................................. 379

Combining fixtures in the New Fixture window.............................................................................................. 381

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 17

Table of contents

8 Pallets.................................................................................................................................... 383

8.1 Pallet management..................................................................................................................... 384

Application............................................................................................................................................................... 384

Selecting a pallet table......................................................................................................................................... 388

Inserting or deleting columns............................................................................................................................. 389

Executing a pallet table........................................................................................................................................ 390

8.2 Pallet preset management.......................................................................................................... 392

Fundamentals......................................................................................................................................................... 392

Using pallet presets.............................................................................................................................................. 392

8.3 Tool-oriented machining............................................................................................................. 393

Fundamentals of tool-oriented machining....................................................................................................... 393

Sequence of tool-oriented machining............................................................................................................... 395

Mid-program startup with block scan.............................................................................................................. 396

8.4 Batch Process Manager (option 154)......................................................................................... 397

Application............................................................................................................................................................... 397

Fundamentals......................................................................................................................................................... 397

Opening Batch Process Manager...................................................................................................................... 401

Creating a job list.................................................................................................................................................. 404

Editing a job list..................................................................................................................................................... 405

18 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

Table of contents

9 Turning.................................................................................................................................. 407

9.1 Turning operations on milling machines (option50)................................................................... 408

Introduction............................................................................................................................................................. 408

Tool radius compensation TRC......................................................................................................................... 409

9.2 Basic functions (option 50)........................................................................................................ 411

Switching between milling and turning mode................................................................................................. 411

Graphic display of turning operations.............................................................................................................. 413

9.3 Unbalance functions (option 50)................................................................................................ 414

Unbalance in turning operations........................................................................................................................ 414

Measure Unbalance cycle.................................................................................................................................... 416

Calibrate Unbalance cycle................................................................................................................................... 417

9.4 Tools in turning mode (option 50).............................................................................................. 418

Tool call................................................................................................................................................................... 418

Tool data................................................................................................................................................................. 418

Tool compensation in the NC program............................................................................................................ 427

HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023 19

Table of contents

10 Grinding................................................................................................................................. 429

10.1 Grinding operations on milling machines (option156)................................................................ 430

Introduction............................................................................................................................................................. 430

Jig grinding............................................................................................................................................................. 431

10.2 Tools for grinding (Option 156).................................................................................................. 433

Grinding tool........................................................................................................................................................... 433

Dressing tool........................................................................................................................................................... 433

Entering tool data.................................................................................................................................................. 434

Grinding tool setup................................................................................................................................................ 439

20 HEIDENHAIN | TNC640 | User's Manual for Setup, Testing and Running NC Programs | 10/2023

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HEIDENHAIN TNC 640 (34059x-18) User manual

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