User's Manual TNC 360 (from 259 900-11) - heidenhain

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9 Digitizing 3D Surfaces 9.4 Contour Line Digitizing TNC 360 The TNC generates an NC part program from the digitized data. The program name is entered in the scanning cycle RANGE. During machine execution, the tool radius determines the shape of the machined contour. When tool radius equals the effective probe tip radius The program can be run without any changes. The model that has been scanned is reproduced. When the tool radius does not equal the effective probe tip radius In this case the machined part will be either smaller or larger than the model. The HEIDENHAIN evaluation software SUSA can reproduce the original shape of workpiece models that were scanned with the meander scanning process. 9.5 Using Digitized Data in a Part Program Program example with digitized data from the CONTOUR LINES cycle 0 BEGIN PGM DATA MM ..................................... Program name DATA.H is entered in the RANGE cycle 1 L Z+40 FMAX ..................................................... Starting point in Z 2 L X+0 Y–25 FMAX .............................................. Starting point in X, Y 3 L X+2.005 Y–12.561 ........................................... 1st digitized position 4 L X+2.025 Y–12.375 ........................................... 2nd digitized position . . . . . . . . . . . . L X+2.005 Y–12.560 ........................................... Contour line completed: probe has returned to first digitized position L Z+0.5 X+0 Y–10.423 ........................................ 1st digitized position at the height of the new line L X+0 Y–12.560 .................................................. Last digitized position L X+0 Y–25 FMAX .............................................. Return to starting point in X, Y L Z+40 FMAX ..................................................... Return to clearance height END PGM DATA MM ......................................... Program end Note: • The feed rate of the touch probe system for approaching the starting point and departing the end point is set in machine parameters for the touch probe. • The program length is limited only by the capacity of the external storage device. After block 65535 the numbering begins again with 0. • The probe scans the contour up to the next contour line. • The TNC automatically marks the program beginning and end for data transfer. 9-11
9 Digitizing 3D Surfaces 9.5 Using Digitized Data in a Part Program Executing a part program from digitized data 9-12 Before the digitized data program can be transferred blockwise (see page 3-6) and executed, the TNC must receive the following information from another program: • Tool radius and length • Feed rate of tool • Radius compensation • Spindle axis and rpm • Miscellaneous function for spindle The program must contain the following five lines: 0 BEGIN PGM 444 MM ......................................... Any program number 1 TOOL DEF 1 L+30 R+4 ...................................... Tool 2 TOOL CALL 1 Z S1000 ....................................... Tool axis and spindle speed 3 L R0 F500 M3 ..................................................... No radius compensation 4 L R F M xy .......................................................... M xy: M function defined by the machine builder, through which the tool, feed rate and direction of spindle rotation remain effective even when a new program (the digitized data program) is selected. 5 END PGM 444 MM At the end of the digitized data program generated by the CONTOUR LINES cycle, the tool is returned to the programmed starting point. TNC 360
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May 1994 HEIDENHAIN User's Manual H
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TNC Guideline: From workpiece drawi
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How to use this manual TNC 360 This
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Contents User's Manual TNC 360 (fro
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2 Manual Operation and Setup TNC 36
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4 Programming TNC 360 4.1 Editing p
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6 Subprograms and Program Section R
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8 Cycles TNC 360 8.1 General Overvi
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10 External Data Transfer TNC 360 1
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12 Tables, Overviews, Diagrams TNC
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1 Introduction 1.1 The TNC 360 The
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1 Introduction 1.1 The TNC 360 TNC
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1 Introduction 1.2 Fundamentals of
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1 Introduction Programming tool mov
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1 Introduction 1.4 Graphics and Sta
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1 Introduction 1.4 Graphics and Sta
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1 Introduction 1.5 Programs The TNC
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1 Introduction 1.5 Programs To remo
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2 Manual Operation and Setup Traves
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2 Manual Operation and Setup 2.2 Sp
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2 Manual Operation and Setup 2.3 Se
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2 Manual Operation and Setup 2.4 3D
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2 Manual Operation and Setup 2.6 Me
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2 Manual Operation and Setup 2.6 Me
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3 Test Run and Program Run 3.1 Test
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3 Test Run and Program Run 3.2 Prog
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3 Test Run and Program Run 3.3 Bloc
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4 Programming 4-2 In the PROGRAMMIN
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4 Programming 4.1 Editing Part Prog
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4 Programming 4.2 Tools 4-6 Determi
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4 Programming 4.2 Tools Entering to
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4 Programming 4.2 Tools Tool change
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4 Programming 4.3 Tool Compensation
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4 Programming 4.3 Tool Compensation
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4 Programming 4.5 Entering Tool-Rel
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4 Programming 4.6 Entering Miscella
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4 Programming 4-20 Generating a new
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5 Programming Tool Movements 5.1 Ge
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5 Programming Tool Movements 5.2 Co
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5 Programming Tool Movements 5.3 Pa
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5 Programming Tool Movements 5.6 M-
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7 Programming with Q Parameters 7.1
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Page 213 and 214: 12 Tables, Overviews, Diagrams 12.1
Page 237: Miscellaneous Functions (M Function
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User's Manual TNC 360 (from 259 900-11) - heidenhain

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