Document Outline

• 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
  • Coordinate axes and numbers: Entering and editing
• 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
  • The TNC complies with the limits for a Class A device in accordance with the specifications in EN 55022, and is intended for use primarily in industrially-zoned areas.
  • Legal information
• 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 Tool setup
    • Selecting the correct operating mode
    • Preparing and measuring tools
    • The tool table TOOL.T
  • 1.6 Workpiece setup
    • Selecting the correct operating mode
    • Clamp the workpiece
    • Datum setting with a 3-D touch probe
  • 1.7 Running the first program
    • Selecting the correct operating mode
    • Choosing the program you want to run
    • Starting the program
• Introduction
  • 2.1 The TNC 128
    • Programming: HEIDENHAIN conversational format
    • Compatibility
  • 2.2 Visual display unit and keyboard
    • Visual display unit
    • Setting the screen layout
    • Operating panel
  • 2.3 Operating modes
    • Manual Operation and El. Handwheel
    • Positioning with Manual Data Input
    • Programming and Editing
    • 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
• 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
    • Setting the datum
  • 3.2 Creating and writing programs
    • Organization of an NC program in HEIDENHAIN conversational format
    • Defining the workpiece blank: BLK FORM
    • Creating a new part program
    • Programming tool movements in conversational format
    • Actual position capture
    • Editing a program
    • The TNC search function
  • 3.3 File management: Fundamentals
    • Files
    • Showing externally created 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
    • File sorting
    • Additional functions
    • Additional tools for management of external file types
    • Data transfer to or from an external data medium
    • The TNC in a network
    • USB devices on the TNC
• Programming: Programming aids
  • 4.1 Screen keyboard
    • Entering text with the screen keyboard
  • 4.2 Adding comments
    • Application
    • Adding 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 (left) program window
    • Selecting blocks in the program structure window
  • 4.4 Integrated calculator
    • Operation
  • 4.5 Programming graphics
    • Generating / not generating graphics during programming
    • Generating a graphic for an existing program
    • Block number display ON/OFF
    • Erasing the graphic
    • Showing grid lines
    • Magnifying or reducing a detail
  • 4.6 Error messages
    • Display of errors
    • Opening 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 Context-sensitive help system
    • Application
    • Working with the TNCguide
    • Downloading current help files
• Programming: Tools
  • 5.1 Entering tool-related data
    • Feed rate F
    • Spindle speed S
  • 5.2 Tool data
    • Requirements for tool compensation
    • Tool numbers and tool names
    • Tool length L
    • Tool radius R
    • Delta values for lengths and radii
    • Entering tool data into the program
    • Entering tool data in the table
    • Calling tool data
    • Tool change
  • 5.3 Tool compensation
    • Introduction
    • Tool length compensation
    • Tool radius compensation for paraxial positioning blocks
• Programming: Tool movements
  • 6.1 Fundamentals
    • Tool movements in the program
    • Radius compensation
    • Miscellaneous functions M
    • Subprograms and program section repeats
    • Programming with Q parameters
  • 6.2 Programming tool movements
    • Programming tool movements for workpiece machining
• Programming: Subprograms and program section repeats
  • 7.1 Labeling subprograms and program section repeats
    • Labels
  • 7.2 Subprograms
    • Operating sequence
    • Programming notes
    • Programming a subprogram
    • Calling a subprogram
  • 7.3 Program section repeats
    • Label LBL
    • Operating sequence
    • Programming notes
    • Programming a program section repeat
    • Calling a program section repeat
  • 7.4 Separate 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
• Programming: Q parameters
  • 8.1 Principle and overview
    • Programming notes
    • Calling Q-parameter functions
  • 8.2 Part families—Q parameters in place of numerical values
    • Application
  • 8.3 Describing contours through mathematical operations
    • Application
    • Overview
    • Programming fundamental operations
  • 8.4 Trigonometric functions
    • Definitions
    • Programming trigonometric functions
  • 8.5 Circle calculations
    • 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: Display error messages
    • FN 16: F-PRINT: Formatted output of text and Q-parameter values
    • FN 18: SYS-DATUM READ
    • FN 19: PLC: Transfer values to the 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 priority
    • 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
• Programming: Miscellaneous functions
  • 9.1 Entering miscellaneous functions M and STOP
    • Fundamentals
  • 9.2 Miscellaneous functions for program run control, 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 contouring 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
• 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 for defining various plain-language functions
  • 10.2 Freely definable tables
    • Fundamentals
    • Creating a freely definable table
    • Editing the table format
    • Switching between table and form view
    • FN26: TABOPEN: Opening a freely definable table
    • FN 27: TABWRITE: Writing to a freely definable table
    • FN28: TABREAD: Reading a freely definable table
  • 10.3 File functions
    • Application
    • Defining file functions
  • 10.4 Defining coordinate transformations
    • 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
• Manual operation and setup
  • 11.1 Switch-on, switch-off
    • Switch-on
    • Switch-off
  • 11.2 Moving the machine axes
    • Note
    • Moving the axis using the machine axis direction buttons
    • Incremental jog positioning
    • Traversing with the HR 410 electronic handwheel
  • 11.3 Spindle speed S, feed rate F and miscellaneous functions M
    • Function
    • Entering values
    • Changing the spindle speed and feed rate
    • Activating feed-rate limitation
  • 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 the 3-D touch probe
    • Overview
    • Functions in touch probe cycles
    • Selecting touch probe cycles
    • Recording measured values from the touch- probe cycles
    • Writing the measured values from touch probe cycles to datum tables
    • Writing the measured values from touch probe cycles to the preset table
  • 11.6 Calibrating a 3-D touch probe
    • Introduction
    • Calibrating the effective length
    • Calibrating the effective radius and compensating center offset
    • Displaying calibration values
  • 11.7 Datum setting with a 3-D touch probe
    • Overview
    • Datum setting in any axis
    • Circle center as datum
    • Center line as datum
    • Measuring workpieces with a 3-D touch probe
    • Using touch probe functions with mechanical probes or dial gauges
• 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
• Test run and program run
  • 13.1 Graphics
    • Application
    • Setting the speed of the test run
    • Overview of display modes
    • Plan view
    • Projection in 3 planes
    • 3-D view
    • Magnifying details
    • Repeating graphic simulation
    • Displaying the tool
    • Measuring the 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
    • Interrupting machining
    • Moving the machine axes during an interruption
    • Resuming program run after an interruption
    • Mid-program startup (block scan)
    • Returning to the contour
  • 13.6 Optional block skip
    • Application
    • Inserting the "/" character
    • Erasing the "/" character
  • 13.7 Optional program-run interruption
    • Application
• MOD functions
  • 14.1 Selecting MOD functions
    • Selecting the MOD functions
    • Changing the settings
    • Exiting the MOD functions
    • Overview of MOD functions
  • 14.2 Software numbers
    • Application
  • 14.3 Entering code numbers
    • Application
  • 14.4 Setting the data interfaces
    • Serial interfaces on the TNC 128
    • Application
    • Setting the RS-232 interface
    • Setting the baud rate (baudRate)
    • Setting the protocol (protocol)
    • Setting the data bits (dataBits)
    • Parity check (parity)
    • Setting the stop bits (stopBits)
    • Setting the handshake (flowControl)
    • Settings for data transfer with the TNCserver PC software
    • Setting the operating mode of the external device (fileSystem)
    • Software for data transfer
  • 14.5 Ethernet interface
    • Introduction
    • Connection possibilities
    • Connecting the control to the network
  • 14.6 Position display types
    • Application
  • 14.7 Unit of measurement
    • Application
  • 14.8 Displaying operating times
    • Application
• Fundamentals of cycles
  • 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
    • Calling cycles
  • 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 CARTESIAN 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
    • Calling a cycle in connection with point tables
• 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
  • 16.11 TAPPING NEW with floating tap holder (Cycle 206)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.12 RIGID TAPPING without a floating tap holder NEW (Cycle 207)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 16.13 Programming example
• Fixed cycles: Pocket milling / stud milling / slot 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 Programming examples
• Cycles: Coordinate transformations
  • 18.1 Fundamentals
    • Overview
    • Effect of coordinate transformations
  • 18.2 DATUM SHIFT (Cycle 7, DIN/ISO: G54)
    • 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
    • Editing the datum table in the Programming and Editing mode of operation
    • Configuring the datum table
    • Exiting a datum table
    • Status displays
  • 18.4 DATUM SETTING (Cycle 247)
    • Effect
    • Please note before programming:
    • Cycle parameters
    • Status displays
  • 18.5 MIRROR IMAGE (Cycle 8)
    • Effect
    • Please note while programming:
    • Cycle parameters
  • 18.6 SCALING FACTOR (Cycle 11)
    • Effect
    • Cycle parameters
  • 18.7 AXIS-SPECIFIC SCALING (Cycle 26)
    • Effect
    • Please note while programming:
    • Cycle parameters
  • 18.8 Programming examples
• 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 ORIENTED SPINDLE STOP (Cycle 13)
    • Cycle function
    • Please note while programming:
    • Cycle parameters
• Touch probe cycles
  • 20.1 General information about touch probe cycles
    • Method of function
    • Touch probe cycles in the Manual Operation and El. Handwheel 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 of tool measurement
    • Overview
    • Setting the machine parameters
    • Entries in the tool table TOOL.T
  • 20.5 Calibrating the TT (Cycle 480)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.6 Calibrating the wireless TT 449 (Cycle 484)
    • Fundamentals
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.7 Measuring the tool length (Cycle 481)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.8 Measuring the tool radius (Cycle 482)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
  • 20.9 Measuring the tool length and radius (Cycle 483)
    • Cycle run
    • Please note while programming:
    • Cycle parameters
• Tables and overviews
  • 21.1 Machine-specific user parameters
    • Application
  • 21.2 Pin layouts and connecting cables for the data interfaces
    • RS-232-C/V.24 interface for HEIDENHAIN devices
    • Non-HEIDENHAIN devices
    • Ethernet interface RJ45 socket
  • 21.3 Technical information
  • Overview tables
    • Fixed cycles
    • Miscellaneous functions