User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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5 Programming Tool Movements 5.6 M Functions for Contouring Behavior Programming machine-referenced coordinates: M91/M92 TNC 360 Standard behavior Coordinates are referenced to the workpiece datum (see page 1-9). Scale reference point The position feedback scales are provided with one or more reference marks. Reference marks are used to indicate the position of the scale reference point. If the scale has only one reference mark, its position is the scale reference point. If the scale has several – distance-coded – reference marks, then the scale reference point is indicated by the leftmost reference mark (at the beginning of the measuring range). Machine datum – miscellaneous function M91 The machine datum is required for the following tasks: • Defining the limits of traverse (software limit switches) • Moving to machine-referenced positions (e.g. tool-change position) • Setting the workpiece datum The machine tool builder defines the distance for each axis from the scale reference point to the machine datum in a machine parameter. If you want the coordinates in a positioning block to be referenced to the machine datum, end the block with the miscellaneous function M91. Coordinates that are referenced to the machine datum are indicated in the display with REF. Additional machine datum – miscellaneous function M92 Besides to the machine datum, the machine tool builder can define another machine-referenced position, the additional machine datum. The machine tool builder defines the distance for each axis from the machine datum to the additional machine datum. If you want the coordinates in a positioning block to be referenced to the additional machine datum, end the block with the miscellaneous function M92. X MP X MP X(Z,Y) X(Z,Y) Fig. 5.46: Scale reference point and machine datum for scales with one or several reference marks The values for radius compensation remain effective, even if you have programmed the coordinates with M91 of M92. 5-39
5 Programming Tool Movements 5.6 M Functions for Contouring Behavior 5-40 Workpiece datum The user enters the coordinates of the datum for workpiece machining in the MANUAL OPERATION mode (see page 2-7). Y M Z Y M Fig. 5.47: Machine datum and workpiece datum Z X X M TNC 360
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February 1994 HEIDENHAIN User's Man
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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 ISO
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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 MOD Functions TNC 360 10.1 Selec
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1 Introduction 1.1 The TNC 360 1-2
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1 Introduction 1.1 The TNC 360 1-4
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1 Introduction 1.2 Fundamentals of
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1 Introduction 1.3 Switch-On 1-14 S
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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 Selecti
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2 Manual Operation and Setup 2.1 Mo
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2 Manual Operation and Setup 2.1 Mo
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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 2.4 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 3.2 Prog
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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 4.1 Editing Part Prog
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4 Programming 4.2 Tools TNC 360 Eac
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8 Cycles 8.3 SL Cycles 8-20 Cycle i
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8 Cycles 8.3 SL Cycles 8-22 Subprog
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8 Cycles 8.3 SL Cycles 8-24 Example
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8 Cycles 8.3 SL Cycles CONTOUR MILL
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8 Cycles 8.3 SL Cycles 8-28 Example
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8 Cycles 8.4 Cycles for Coordinate
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8 Cycles 8.5 Other Cycles DWELL TIM
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9 External Data Transfer 9-2 The TN
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9 External Data Transfer 9.3 Prepar
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10 MOD Functions 10.3 Entering the
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10 MOD Functions 10.7 Selecting the
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11 Tables, Overviews, Diagrams 11.1
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11 Tables, Overviews, Diagrams 11-2
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User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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