Document Outline

• TNC 128
• Controls of the TNC
  • Keys on visual display unit
  • Machine operating modes
  • Programming modes
  • Program/file management, TNC functions
  • Navigation keys
  • Potentiometer for feed rate and spindle speed
  • Cycles, subprograms and program section repeats
  • Tool functions
  • Special functions
  • Entering and editing coordinate axes and numbers
• Fundamentals
  • About this manual
    • Would you like any changes, or have you found any errors?
  • TNC model, software and features
    • Software options
    • Feature Content Level (upgrade functions)
    • Intended place of operation
    • Legal information
• Contents
• 1 First Steps with the TNC 128
  • 1.1 Overview
  • 1.2 Machine switch-on
    • Acknowledging the power interruption and moving to the reference points
  • 1.3 Programming the first part
    • Selecting the correct operating mode
    • The most important TNC keys
    • Creating a new program/file management
    • Defining a workpiece blank
    • Program layout
    • Programming a simple contour
    • Creating a cycle program
  • 1.4 Graphically testing the first part
    • Selecting the correct operating mode
    • Selecting the tool table for the test run
    • Choosing the program you want to test
    • Selecting the screen layout and the view
    • Starting the test run
  • 1.5 Setting up tools
    • Selecting the correct operating mode
    • Preparing and measuring tools
    • The tool table TOOL.T
  • 1.6 Workpiece setup
    • Selecting the correct operating mode
    • Clamping the workpiece
    • Datum setting with 3-D touch probe (software option 17: Touch Probe Functions)
  • 1.7 Running the first program
    • Selecting the correct operating mode
    • Choosing the program you want to run
    • Start the program
• 2 Introduction
  • 2.1 The TNC 128
    • Programming: In HEIDENHAIN conversational
    • Compatibility
  • 2.2 Visual display unit and operating panel
    • Display screen
    • Setting the screen layout
    • Control Panel
  • 2.3 Modes of Operation
    • Manual Operation and El. Handwheel
    • Positioning with Manual Data Input
    • Programming
    • Test Run
    • Program Run, Full Sequence and Program Run, Single Block
  • 2.4 Status displays
    • "General" status display
    • Additional status displays
  • 2.5 Window Manager
    • Task bar
  • 2.6 Accessories: HEIDENHAIN 3-D Touch Probes and Electronic Handwheels
    • 3-D touch probes
    • HR electronic handwheels
• 3 Programming: Fundamentals, file management
  • 3.1 Fundamentals
    • Position encoders and reference marks
    • Reference system
    • Reference system on milling machines
    • Designation of the axes on milling machines
    • Absolute and incremental workpiece positions
    • Selecting the datum
  • 3.2 Opening and entering programs
    • Organization of an NC program in HEIDENHAIN Conversational format
    • Define the blank: BLK FORM
    • Opening a new part program
    • Programming tool movements in conversational
    • Actual position capture
    • Editing a program
    • The TNC search function
  • 3.3 File manager: Fundamentals
    • Files
    • Displaying externally generated files on the TNC
    • Data Backup
  • 3.4 Working with the file manager
    • Directories
    • Paths
    • Overview: Functions of the file manager
    • Calling the file manager
    • Selecting drives, directories and files
    • Creating a new directory
    • Creating a new file
    • Copying a single file
    • Copying files into another directory
    • Copying a table
    • Copying a directory
    • Choosing one of the last files selected
    • Deleting a file
    • Deleting a directory
    • Tagging files
    • Renaming a file
    • Sorting files
    • Additional functions
    • Additional tools for management of external file types
    • Data transfer to/from an external data medium
    • The TNC in a network
    • USB devices on the TNC
• 4 Programming: Programming aids
  • 4.1 Screen keyboard
    • Enter the text with the screen keyboard
  • 4.2 Adding comments
    • Application
    • Add comments
    • Functions for editing of the comment
  • 4.3 Structuring programs
    • Definition and applications
    • Displaying the program structure window / Changing the active window
    • Inserting a structuring block in the program window
    • Selecting blocks in the program structure window
  • 4.4 Calculator
    • Operation
  • 4.5 Programming graphics
    • Generate/do not generate graphics during programming
    • Generating a graphic for an existing program
    • Block number display ON/OFF
    • Erasing the graphic
    • Showing grid lines
    • Magnification or reduction of details
  • 4.6 Error messages
    • Display of errors
    • Open the error window
    • Closing the error window
    • Detailed error messages
    • INTERNAL INFO soft key
    • Clearing errors
    • Error log
    • Keystroke log
    • Informational texts
    • Saving service files
    • Calling the TNCguide help system
  • 4.7 TNCguide context-sensitive help system
    • Application
    • Working with the TNCguide
    • Downloading current help files
• 5 Programming: Tools
  • 5.1 Entering tool-related data
    • Feed rate F
    • Spindle speed S
  • 5.2 Tool data
    • Requirements for tool compensation
    • Tool number, tool name
    • Tool length L
    • Tool radius R
    • Delta values for lengths and radii
    • Entering tool data into the program
    • Enter tool data into the table
    • Importing tool tables
    • Call tool data
    • Tool change
    • Tool usage test
  • 5.3 Tool compensation
    • Introduction
    • Tool length compensation
    • Tool radius compensation with paraxial positioning blocks
• 6 Programming: Tool movements
  • 6.1 Fundamentals
    • Tool movements in the program
    • Miscellaneous functions M
    • Subprograms and program section repeats
    • Programming with Q parameters
  • 6.2 Tool movements
    • Programming tool movements for workpiece machining
    • Capture actual position
    • Example: Linear movement
• 7 Programming: Subprograms and program section repeats
  • 7.1 Labeling Subprograms and Program Section Repeats
    • Label
  • 7.2 Subprograms
    • Operating sequence
    • Programming notes
    • Programming a subprogram
    • Calling a subprogram
  • 7.3 Program-section repeats
    • Label
    • Operating sequence
    • Programming notes
    • Programming a program section repeat
    • Calling a program section repeat
  • 7.4 Any desired program as subprogram
    • Operating sequence
    • Programming notes
    • Calling any program as a subprogram
  • 7.5 Nesting
    • Types of nesting
    • Nesting depth
    • Subprogram within a subprogram
    • Repeating program section repeats
    • Repeating a subprogram
  • 7.6 Programming examples
    • Example: Groups of holes
    • Example: Group of holes with several tools
• 8 Programming: Q Parameters
  • 8.1 Principle and overview of functions
    • Programming notes
    • Calling Q parameter functions
  • 8.2 Part families—Q parameters in place of numerical values
    • Application
  • 8.3 Describing contours with mathematical functions
    • Application
    • Overview
    • Programming fundamental operations
  • 8.4 Angle functions
    • Definitions
    • Programming trigonometric functions
  • 8.5 Calculation of circles
    • Application
  • 8.6 If-then decisions with Q parameters
    • Application
    • Unconditional jumps
    • Programming if-then decisions
    • Abbreviations used:
  • 8.7 Checking and changing Q parameters
    • Procedure
  • 8.8 Additional functions
    • Overview
    • FN 14: ERROR: Displaying error messages
    • FN 16: F-PRINT: Output of formatted texts and Q parameter values
    • FN 18: SYSREAD: Reading system data
    • FN 19: PLC: Transfer values to PLC
    • FN 20: WAIT FOR: NC and PLC synchronization
    • FN 29: PLC: Transfer values to the PLC
    • FN 37: EXPORT
  • 8.9 Accessing tables with SQL commands
    • Introduction
    • A transaction
    • Programming SQL commands
    • Overview of the soft keys
    • SQL BIND
    • SQL SELECT
    • SQL FETCH
    • SQL UPDATE
    • SQL INSERT
    • SQL COMMIT
    • SQL ROLLBACK
  • 8.10 Entering formulas directly
    • Entering formulas
    • Rules for formulas
    • Programming example
  • 8.11 String parameters
    • String processing functions
    • Assigning string parameters
    • Chain-linking string parameters
    • Converting a numerical value to a string parameter
    • Copying a substring from a string parameter
    • Converting a string parameter to a numerical value
    • Checking a string parameter
    • Finding the length of a string parameter
    • Comparing alphabetic sequence
    • Reading machine parameters
  • 8.12 Preassigned Q parameters
    • Values from the PLC: Q100 to Q107
    • Active tool radius: Q108
    • Tool axis: Q109
    • Spindle status: Q110
    • Coolant on/off: Q111
    • Overlap factor: Q112
    • Unit of measurement for dimensions in the program: Q113
    • Tool length: Q114
    • Coordinates after probing during program run
    • Deviation between actual value and nominal value during automatic tool measurement with the TT 130
• 9 Programming: Miscellaneous functions
  • 9.1 Entering miscellaneous functions M
    • Fundamentals
  • 9.2 M functions for program run inspection, spindle and coolant
    • Overview
  • 9.3 Miscellaneous functions for coordinate data
    • Programming machine-referenced coordinates: M91/M92
    • Reducing display of a rotary axis to a value less than 360°: M94
  • 9.4 Miscellaneous functions for path behavior
    • Feed rate factor for plunging movements: M103
    • Feed rate in millimeters per spindle revolution: M136
    • Retraction from the contour in the tool-axis direction: M140
    • Suppressing touch probe monitoring: M141
• 10 Programming: Special functions
  • 10.1 Overview of special functions
    • Main menu for SPEC FCT special functions
    • Program defaults menu
    • Functions for contour and point machining menu
    • Menu of various conversational functions
  • 10.2 Freely definable tables
    • Fundamentals
    • Creating a freely definable table
    • Editing the table format
    • Switching between table and form view
    • FN 26: TABOPEN: Open a freely definable table
    • FN 27: TABWRITE: Write to a freely definable table
    • FN 28: TABREAD: Read from a freely definable table
  • 10.3 File functions
    • Application
    • Defining file functions
  • 10.4 Definition of a datum shift
    • Overview
    • TRANS DATUM AXIS
    • TRANS DATUM TABLE
    • TRANS DATUM RESET
  • 10.5 Creating Text Files
    • Application
    • Opening and exiting text files
    • Editing texts
    • Deleting and re-inserting characters, words and lines
    • Editing text blocks
    • Finding text sections
• 11 Manual operation and setup
  • 11.1 Switch-on, switch-off
    • Switch-on
    • Switch-off
  • 11.2 Moving the machine axes
    • Note
    • Moving the axis with the machine axis direction buttons
    • Incremental jog positioning
    • Traverse with the HR 410 electronic handwheel
  • 11.3 Spindle speed S, feed rate F and miscellaneous function M
    • Application
    • Entering values
    • Adjusting spindle speed and feed rate
  • 11.4 Datum setting without a 3-D touch probe
    • Note
    • Preparation
    • Workpiece presetting with axis keys
    • Datum management with the preset table
  • 11.5 Using 3-D touch probes (Touch Probe Functions software option 17)
    • Overview
    • Functions in touch probe cycles
    • Selecting touch probe cycles
    • Recording measured values from the touch-probe cycles
    • Writing measured values from the touch probe cycles in a datum table
    • Writing measured values from the touch probe cycles in the preset table
  • 11.6 Calibrating a 3-D touch trigger probe (Touch Probe Functions software option 17)
    • Introduction
    • Calibrating the effective length
    • Calibrating the effective radius and compensating center misalignment
    • Displaying calibration values
  • 11.7 Datum setting with 3-D touch probe (Touch Probe Functions software option 17)
    • Overview
    • Datum setting in any axis
    • Circle center as datum
    • Setting a center line as datum
    • Measuring workpieces with a 3-D touch probe
    • Using touch probe functions with mechanical probes or measuring dials
• 12 Positioning with Manual Data Input
  • 12.1 Programming and executing simple machining operations
    • Positioning with manual data input (MDI)
    • Protecting and erasing programs in $MDI
• 13 Test run and program run
  • 13.1 Graphics
    • Application
    • Speed of the Setting test runs
    • Overview: Display modes
    • Plan view
    • Projection in three planes
    • 3-D view
    • Detail magnification
    • Repeating graphic simulation
    • Tool display
    • Measurement of machining time
  • 13.2 Showing the workpiece blank in the working space
    • Application
  • 13.3 Functions for program display
    • Overview
  • 13.4 Test Run
    • Application
  • 13.5 Program run
    • Application
    • Running a part program
    • Interrupt machining
    • Moving the machine axes during an interruption
    • Resuming program run after an interruption
    • Retraction after a power interruption
    • Any entry into program (mid-program startup)
    • Returning to the contour
  • 13.6 Optional block skip
    • Application
    • Inserting the "/" character
    • Erasing the "/" character
  • 13.7 Optional program-run interruption
    • Application
• 14 MOD functions
  • 14.1 MOD function
    • Selecting MOD functions
    • Changing the settings
    • Exiting MOD functions
    • Overview of MOD functions
  • 14.2 Graphic settings
  • 14.3 Machine settings
    • External access
    • Tool usage file
    • Select kinematics
  • 14.4 System settings
    • Set the system time
  • 14.5 Position Display Types
    • Application
  • 14.6 Setting the unit of measure
    • Application
  • 14.7 Displaying operating times
    • Application
  • 14.8 Software numbers
    • Application
  • 14.9 Entering the code number
    • Application
  • 14.10 Setting up data interfaces
    • Serial interfaces on the TNC 128
    • Application
    • Setting the RS-232 interface
    • Setting the BAUD RATE (baudRate)
    • Setting the protocol (protocol)
    • Setting data bits (dataBits)
    • Check parity (parity)
    • Setting the stop bits (stopBits)
    • Setting handshaking (flowControl)
    • Settings for data transfer with the TNCserver PC software
    • Setting the operating mode of the external device (fileSystem)
    • Data transfer software
  • 14.11 Ethernet interface
    • Introduction
    • Connection options
    • Configuring the TNC
  • 14.12 Firewall
    • Application
  • 14.13 Load machine configuration
    • Application
• 15 Cycle fundamentals
  • 15.1 Introduction
  • 15.2 Available Cycle Groups
    • Overview of fixed cycles
  • 15.3 Working with fixed cycles
    • Machine-specific cycles
    • Defining a cycle using soft keys
    • Defining a cycle using the GOTO function
      • Example NC blocks
    • Calling a cycle
  • 15.4 PATTERN DEF pattern definition
    • Application
    • Entering PATTERN DEF
    • Using PATTERN DEF
    • Defining individual machining positions
    • Defining a single row
    • Defining a single pattern
    • Defining individual frames
    • Defining a full circle
    • Defining a pitch circle
  • 15.5 POLAR PATTERN (Cycle 220)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 15.6 LINEAR PATTERN (Cycle 221)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 15.7 Point tables
    • Application
    • Creating a point table
    • Hiding single points from the machining process
    • Selecting a point table in the program
      • Example NC block
    • Calling a cycle in connection with point tables
      • Effect of the point tables with SL cycles and Cycle 12
      • Effect of the point tables with Cycles 200 to 207
      • Effect of the point tables with Cycles 251 to 256
• 16 Drilling, boring and thread cycles
  • 16.1 Fundamentals
    • Overview
  • 16.2 CENTERING (Cycle 240)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.3 DRILLING (Cycle 200)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.4 REAMING (Cycle 201)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.5 BORING (Cycle 202)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.6 UNIVERSAL DRILLING (Cycle 203)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.7 BACK BORING (Cycle 204)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.8 UNIVERSAL PECKING (Cycle 205)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.9 SINGLE-LIP DEEP-HOLE DRILLING (Cycle 241)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.10 Programming Examples
    • Example: Drilling cycles
    • Example: Using drilling cycles in connection with PATTERN DEF
  • 16.11 TAPPING with a floating tap holder (Cycle 206)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
      • The feed rate is calculated as follows: F = S x p
      • Retracting after a program interruption
  • 16.12 RIGID TAPPING without a floating tap holder (Cycle 207)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
      • Retracting after a program interruption
  • 16.13 Programming Examples
    • Example: Thread milling
• 17 Fixed cycles: Pocket milling / stud milling
  • 17.1 Fundamentals
    • Overview
  • 17.2 RECTANGULAR POCKET (Cycle 251)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 17.3 RECTANGULAR STUD (Cycle 256)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 17.4 FACE MILLING (Cycle 233)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 17.5 Programming Examples
    • Example: Milling pockets, studs
• 18 Cycles: Coordinate Transformations
  • 18.1 Fundamentals
    • Overview
    • Effect of coordinate transformations
  • 18.2 DATUM SHIFT (Cycle 7)
    • Effect
    • Cycle parameters
  • 18.3 DATUM SHIFT with datum tables (Cycle 7)
    • Effect
    • Please note while programming:
    • Cycle parameters
    • Selecting a datum table in the part program
    • Edit the datum table in the Programming mode of operation
    • Configuring the datum table
    • Exiting the datum table
    • Status displays
  • 18.4 DATUM SETTING (Cycle 247)
    • Effect
    • Please note before programming:
    • Cycle parameters
  • 18.5 MIRRORING (Cycle 8)
    • Effect
    • Please note while programming:
    • Cycle parameters
  • 18.6 SCALING (Cycle 11
    • Effect
    • Cycle parameters
  • 18.7 AXIS-SPECIFIC SCALING (Cycle 26)
    • Effect
    • Please note while programming:
    • Cycle parameters
  • 18.8 Programming Examples
    • Example: Groups of holes
• 19 Cycles: Special Functions
  • 19.1 Fundamentals
    • Overview
  • 19.2 DWELL TIME (Cycle 9)
    • Function
    • Cycle parameters
  • 19.3 PROGRAM CALL (Cycle 12)
    • Cycle function
    • Please note while programming:
    • Cycle parameters
  • 19.4 SPINDLE ORIENTATION (Cycle 13)
    • Cycle function
    • Please note while programming:
    • Cycle parameters
• 20 Touch probe cycles
  • 20.1 General information about touch probe cycles
    • Method of function
    • Touch probe cycles in the Manual Operation and Electronic Handwheel operating modes
  • 20.2 Before You Start Working with Touch Probe Cycles
    • Maximum traverse to touch point: DIST in touch probe table
    • Set-up clearance to touch point: SET_UP in touch probe table
    • Orient the infrared touch probe to the programmed probe direction: TRACK in touch probe table
    • Touch trigger probe, probing feed rate: F in touch probe table
    • Touch trigger probe, rapid traverse for positioning: FMAX
    • Touch trigger probe, rapid traverse for positioning: F_PREPOS in touch probe table
    • Executing touch probe cycles
  • 20.3 Touch probe table
    • General information
    • Editing touch probe tables
    • Touch probe data
  • 20.4 Fundamentals
    • Overview
    • Setting machine parameters
    • Entries in the tool table TOOL.T
  • 20.5 Calibrate the TT (Cycle 480, Touch Probe Functions software option 17)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.6 Calibrate the wireless TT 449 (Cycle 484, software option 17 Touch Probe Functions software option 17)
    • Fundamentals
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.7 Measure the tool length (Cycle 481, software option 17 Touch Probe Functions software option 17)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.8 Measure the tool radius (Cycle 482, software option 17 Touch Probe Functions software option 17)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.9 Measure the tool length and radius (Cycle 483, software option 17 Touch Probe Functions software option 17)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
• 21 Tables and overviews
  • 21.1 Machine-specific user parameters
    • Application
  • 21.2 Connector pin layout and connection cables for data interfaces
    • RS-232-C/V.24 interface for HEIDENHAIN devices
    • Non-HEIDENHAIN devices
    • Ethernet interface RJ45 socket
  • 21.3 Technical Information
    • Technical Information
    • Fixed cycles
    • Miscellaneous functions
• Index