37531922 - 10/2004 - heidenhain

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1.1 General Information on Touch Probe Cycles Defining the touch probe cycle in the Programming and Editing operation mode The soft-key row shows all available touch probe functions divided into groups. Select the desired probe cycle, for example datum setting. Digitizing cycles and cycles for automatic tool measurement are available only if your machine has been prepared for them. Select a cycle, e.g. datum setting at pocket. The TNC initiates the programming dialog and asks all required input values. At the same time a graphic of the input parameters is displayed in the right screen window. The parameter that is asked for in the dialog prompt is highlighted. Enter all parameters requested by the TNC and conclude each entry with the ENT key. The TNC ends the dialog when all required data has been entered. Group of measuring cycles Soft key Cycles for automatic measurement and compensation of workpiece misalignment Cycles for automatic datum setting Cycles for automatic workpiece inspection Automatic calibration cycle Cycles for automatic tool measurement (enabled by the machine tool builder) Example: NC blocks 5 TCH PROBE 4<strong>10</strong> DATUM INSIDE RECTAN. Q321=+50 ;CENTER IN 1ST AXIS Q322=+50 ;CENTER IN 2ND AXIS Q323=60 ;1ST SIDE LENGTH Q324=20 ;2ND SIDE LENGTH Q261=-5 ;MEASURING HEIGHT Q320=0 ;SET-UP CLEARANCE Q260=+20 ;CLEARANCE HEIGHT Q301=0 ;TRAVERSE TO CLEARANCE HEIGHT Q305=<strong>10</strong> ;NO. IN TABLE Q331=+0 ;DATUM Q332=+0 ;DATUM Q303=+1 ;MEAS. VALUE TRANSFER 16 1 Introduction
1.2 Before You Start Working with Touch Probe Cycles! To make it possible to cover the widest possible range of applications, machine parameters enable you to determine the behavior common to all touch probe cycles: Maximum traverse to touch point: MP6130 If the stylus is not deflected within the path defined in MP6130, the TNC outputs an error message. Safety clearance to touch point: MP6140 In MP6140 you define how far from the defined (or calculated) touch point the TNC is to pre-position the touch probe. The smaller the value you enter, the more exactly must you define the touch point position. In many touch probe cycles you can also define a setup clearance in addition that is added to Machine Parameter 6140. Orient the infrared touch probe to the programmed probe direction: MP6165 To increase measuring accuracy, you can use MP 6165 = 1 to have an infrared touch probe oriented in the programmed probe direction before every probe process. In this way the stylus is always deflected in the same direction. Multiple measurement: MP6170 To increase measuring certainty, the TNC can run each probing process up to three times in sequence. If the measured position values differ too greatly, the TNC outputs an error message (the limit value is defined in MP6171). With multiple measurement it is possible to detect random errors, e.g., from contamination. If the measured values lie within the confidence interval, the TNC saves the mean value of the measured positions. Confidence interval for multiple measurement: MP6171 In MP6171 you store the value by which the results may differ when you make multiple measurements. If the difference in the measured values exceeds the value in MP6171, the TNC outputs an error message. HEIDENHAIN iTNC 530 17 1.2 Before You Start Working with Touch Probe Cycles!
Page 1: User’s Manual Touch Probe Cycles
Page 4 and 5: Functions new since the predecessor
Page 6 and 7: New/changed descriptions in this ma
Page 9 and 10: 1 Introduction ..... 13 1.1 General
Page 11 and 12: 3 Touch Probe Cycles for Automatic
Page 13 and 14: Introduction
Page 15: Touch probe cycles in the Manual an
Page 19: Running touch probe cycles All touc
Page 22 and 23: 2.1 Introduction 2.1 Introduction O
Page 24 and 25: 2.1 Introduction Writing the measur
Page 26 and 27: 2.2 Calibrating a Touch Trigger Pro
Page 28 and 29: 2.2 Calibrating a Touch Trigger Pro
Page 30 and 31: 2.3 Compensating Workpiece Misalign
Page 32 and 33: 2.4 Setting the Datum with a 3-D To
Page 38 and 39: 2.5 Measuring Workpieces with a 3-D
Page 40 and 41: 2.6 Using the Touch Probe Functions
Page 42 and 43: 3.1 Measuring Workpiece Misalignmen
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3.2 Automatic Datum Determination
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3.2 Automatic Datum Determination D
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3.2 Automatic Datum Determination A
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3.3 Automatic Workpiece Measurement
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3.4 Special Cycles 3.4 Special Cycl
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3.4 Special Cycles CALIBRATE TS LEN
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3.4 Special Cycles MEASURE AXIS OFF
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Touch Probe Cycles for Automatic To
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MP6507 determines the calculation o
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Display the results of measurement
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Calibrating the TT (touch probe cyc
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Define cycle Measure tool=0 / Chec
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DR. JOHANNES HEIDENHAIN GmbH Dr.-Jo
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37531922 - 10/2004 - heidenhain

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