HEIDENHAIN TNC 320 - 8.5 Nesting; Types of nesting; Nesting depth

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Subprograms and Program Section Repeats | Nesting

328

HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017

8.5 Nesting

Types of nesting

Subprogram calls in subprograms

Program-section repeats within a program-section repeat

Subprogram calls in program section repeats

Program-section repeats in subprograms

Nesting depth

The nesting depth is the number of successive levels in which

program sections or subprograms can call further program sections

or subprograms.

Maximum nesting depth for subprograms: 19

Maximum nesting depth for main program calls: 19, where a

G79 acts like a main program call

You can nest program section repeats as often as desired

Main Page

TNC 3201
Controls and displays2
- Keys2
Fundamentals5
- About this manual6
- Control model, software and features8
Contents29
1 First Steps with the TNC 32055
- 1.1 Overview56
- 1.2 Machine switch-on56
  - Acknowledging the power interruption and moving to the reference points56
- 1.3 Programming the first part58
- 1.4 Graphically testing the first part68
- 1.5 Setting up tools71
- 1.6 Workpiece setup74
- 1.7 Running the first program76
2 Introduction77
- 2.1 The TNC 32078
  - HEIDENHAIN Klartext and DIN/ISO78
  - Compatibility78
- 2.2 Visual display unit and operating panel79
- 2.3 Modes of operation81
- 2.4 Status displays84
  - General status display84
  - Additional status displays86
- 2.5 Window manager90
- 2.6 Remote Desktop Manager (option 133)104
- 2.7 Accessories: HEIDENHAIN 3-D touch probes and electronic handwheels110
  - 3-D touch probes110
  - HR electronic handwheels111
3 Fundamentals, File Management113
- 3.1 Fundamentals114
- 3.2 Creating and writing programs128
- 3.3 File management: Basics142
- 3.4 Working with the file manager145
4 Programming Aids173
- 4.1 Screen keypad174
  - Entering text with the screen keyboard174
- 4.2 Adding comments175
- 4.3 Freely editing an NC program177
- 4.4 Display of NC programs178
  - Syntax highlighting178
  - Scrollbar178
- 4.5 Structuring programs179
- 4.6 Calculator181
  - Operation181
- 4.7 Cutting data calculator184
  - Application184
- 4.8 Programming graphics186
- 4.9 Error messages190
- 4.10 TNCguide context-sensitive help system195
5 Tools203
- 5.1 Entering tool-related data204
  - Feed rate F204
  - Spindle speed S205
- 5.2 Tool data206
- 5.3 Tool compensation229
- 5.4 Tool management (option number 93)233
6 Programming Contours245
- 6.1 Tool movements246
- 6.2 Fundamentals of path functions248
  - Programming tool movements for workpiece machining248
- 6.3 Approaching and departing a contour251
- 6.4 Path contours Cartesian coordinates262
- 6.5 Path contours – Polar coordinates274
- 6.6 Path contours – FK free contour programming281
7 Data Transfer from CAD Files295
- 7.1 Screen layout of the CAD viewer296
  - Fundamentals of the CAD viewer296
- 7.2 CAD import (option 42)297
8 Subprograms and Program Section Repeats317
- 8.1 Labeling subprograms and program section repeats318
  - Label318
- 8.2 Subprograms319
- 8.3 Program-section repeats321
- 8.4 Any desired NC program as subprogram323
- 8.5 Nesting328
- 8.6 Programming examples332
9 Programming Q Parameters337
- 9.1 Principle and overview of functions338
  - Programming notes340
  - Calling Q parameter functions341
- 9.2 Part families—Q parameters in place of numerical values342
  - Application342
- 9.3 Describing contours with mathematical functions343
- 9.4 Angle functions346
  - Definitions346
  - Programming trigonometric functions346
- 9.5 Calculation of circles347
  - Application347
- 9.6 If-then decisions with Q parameters348
- 9.7 Checking and changing Q parameters350
  - Procedure350
- 9.8 Additional functions352
- 9.9 Entering formulas directly396
- 9.10 String parameters400
- 9.11 Preassigned Q parameters413
- 9.12 Programming examples418
10 Miscellaneous Functions425
- 10.1 Entering miscellaneous functions M and STOP426
  - Fundamentals426
- 10.2 Miscellaneous functions for program run inspection, spindle and coolant428
  - Overview428
- 10.3 Miscellaneous functions for coordinate entries429
  - Programming machine-referenced coordinates: M91/M92429
  - Moving to positions in a non-tilted coordinate system with a tilted working plane: M130431
- 10.4 Miscellaneous functions for path behavior432
11 Special Functions447
- 11.1 Overview of special functions448
- 11.2 Tool carrier management451
- 11.3 Defining DIN/ISO functions456
  - Overview456
- 11.4 Defining a counter457
  - Application457
  - Define FUNCTION COUNT457
- 11.5 Creating text files459
- 11.6 Freely definable tables463
- 11.7 Pulsing spindle speed FUNCTION S-PULSE469
  - Programming a pulsing spindle speed469
  - Resetting the pulsing spindle speed470
- 11.8 Dwell time FUNCTION FEED471
  - Programming dwell time471
  - Resetting dwell time472
- 11.9 Dwell time FUNCTION DWELL473
  - Programming dwell time473
- 11.10 Lift off tool at NC stop: FUNCTION LIFTOFF474
  - Programming tool lift-off with FUNCTION LIFTOFF474
  - Resetting the lift-off function476
12 Multiple-Axis Machining477
- 12.1 Functions for multiple axis machining478
- 12.2 The PLANE function: Tilting the working plane (option 8)479
- 12.3 Miscellaneous functions for rotary axes507
13 Manual Operation and Setup511
- 13.1 Switch-on, switch-off512
- 13.2 Moving the machine axes517
- 13.3 Spindle speed S, feed rate F and miscellaneous function M529
- 13.4 Managing presets531
- 13.5 Presetting without a 3-D touch probe538
- 13.6 Using a 3-D touch probe540
- 13.7 Calibrating 3-D touch probes549
- 13.8 Compensating workpiece misalignment with 3-D touch probe555
- 13.9 Presetting with a 3-D touch probe562
- 13.10 Tilting the working plane (option 8)573
14 Positioning with Manual Data Input579
- 14.1 Programming and executing simple machining operations580
  - Positioning with manual data input (MDI)581
  - Protecting programs in $MDI584
15 Test Run and Program Run585
- 15.1 Graphics586
- 15.2 Showing the workpiece blank in the working space596
  - Application596
- 15.3 Functions for program display598
  - Overview598
- 15.4 Test run599
- 15.5 Program run603
- 15.6 Automatic program start619
  - Application619
- 15.7 Skipping blocks620
- 15.8 Optional program-run interruption621
  - Application621
16 MOD Functions623
- 16.1 MOD function624
- 16.2 Graphic settings626
- 16.3 Counter settings627
- 16.4 Machine settings628
- 16.5 System settings632
  - Set the system time632
- 16.6 Select the position display633
  - Application633
- 16.7 Setting the unit of measure635
  - Application635
- 16.8 Displaying operating times635
  - Application635
- 16.9 Software numbers636
  - Application636
- 16.10 Enter the code number636
  - Application636
- 16.11 Setting up data interfaces637
- 16.12 Ethernet interface643
- 16.13 Firewall649
  - Application649
- 16.14 Configuring the HR 550FS wireless handwheel652
- 16.15 Load machine configuration655
  - Application655
17 Tables and Overviews657
- 17.1 Machine-specific user parameters658
  - Application658
- 17.2 Connector pin layout and connection cables for data interfaces672
- 17.3 Technical Information675
- 17.4 Overview tables681
  - Fixed cycles681
  - Miscellaneous functions682
- 17.5 Functions of the TNC 320 and the iTNC 530 compared684
- 17.6 DIN/ISO function overview713
  - DIN/ISO Function Overview TNC 320713
Index720
Touch probes from HEIDENHAIN724

HEIDENHAIN TNC 320 - 8.5 Nesting; Types of nesting; Nesting depth

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