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JJF 1242-2010 English PDF

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JJF 1242-2010: Calibration Specification for Laser Tracker 3-Dimensional Measuring System
Status: Valid

JJF 1242: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJF 1242-2010English459 Add to Cart 4 days [Need to translate] Calibration Specification for Laser Tracker 3-Dimensional Measuring System Valid JJF 1242-2010
JJF 1242-1990English199 Add to Cart 2 days [Need to translate] O.T.N.of the Primary Standard for the 1×1000N.m Torguer Obsolete JJF 1242-1990

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Basic data

Standard ID JJF 1242-2010 (JJF1242-2010)
Description (Translated English) Calibration Specification for Laser Tracker 3-Dimensional Measuring System
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 20,281
Date of Issue 2010-01-05
Date of Implementation 2010-04-05
Quoted Standard ASME B89.4.19-2006; JJF 1001-1998; JJF 1094-2003; JJF 1059-1999
Regulation (derived from) AQSIQ Announcement No. 3 of 2010
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard specifies the laser tracking three-dimensional coordinate measurement system calibration method, the following example to be expressed in laser tracker, suitable for industrial measurement instruments as laser tracker and the same principle to other measuring instruments calibrated.

JJF 1242-2010: Calibration Specification for Laser Tracker 3-Dimensional Measuring System

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Laser Tracker 3-Dimensional Measuring System People's Republic of China National Measurement Specifications Laser tracking 3D coordinate measuring system calibration specification CalibrationSpecification for LaserTracker 2010-01-05 released 2010-04-05 implementation General Administration of Quality Supervision, Inspection and Quarantine released Laser tracking 3D coordinate measuring system Calibration specifications This standard was approved by the General Administration of Quality Supervision, Inspection and Quarantine on January 05,.2010 and has been approved since April.2010 Put into effect on the 05th. The focal point. National geometric length measurement technology committee Drafting unit. China Institute of Metrology This regulation shall be explained by the focal point Drafters of this Code. Wang Wei-nong (China Institute of Metrology) Pei Li Mei (China Institute of Metrology) Ren State-owned (China Institute of Metrology)

table of Contents

1 Scope (1) 2 References (1) 3 Terms (1) 4 Overview (2) 5 Metrology (2) 5.1 Point-to-point length indication error (2) 5.2 double-sided indication error (2) 5.3 distance indication error (2) 5.4 spherical reflection target error (2) 5.5 Dynamic speed limit (2) 5.6 Dynamic Indication Error (2) 5.7 Dynamic indication variation (2) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 standard equipment (3) 7 Calibration Items and Methods (3) 7.1 Point-to-point length indication error (3) 7.2 double-sided indication error (6) 7.3 distance indication error (7) 7.4 spherical reflection target error (8) 7.5 Dynamic speed limit (9) 7.6 Dynamic Indication Error (9) 7.7 Dynamic indication variation (9) 7.8 Failure to meet the maximum allowable error requirements (9) 8 Calibration Results (10) 9 time interval of correction (10) Appendix A Rating Conditions and Calibration Results Recording Table (11) Appendix B Uncertainty of Reference Length with Stable Target Block Distance (14) Laser tracking 3D coordinate measuring system calibration specification

1 Scope

This standard specifies the laser tracking three-dimensional coordinate measuring system calibration method, the following laser tracker as an example Expression, suitable for industrial laser measuring instrument tracker and the principle of the same calibration of other measuring instruments.

2 References

ASMEB89.4.19-2006 Performance Evaluation of Laser-Based Ball Coordinate Measuring Systems PerformanceEvalu- ation of Laser-Based Spherical Coordinate Measurement System General measurement terms and definitions JJF 1094-2003 Measuring instruments for characterization Evaluation and Expression of Uncertainty in Measurement When using this specification, care should be taken to use the currently valid version of the above referenced document.

3 Terms

The following provides definitions of terms used in this specification. Other terms and definitions conform to JJF 1001-1998. 3.1 Scope finder absolutedistancemeter, ADM Built-in laser tracker range finder, also known as the electronic rangefinder (electronicdistancemeter, EDM). 3.2 front/rear frontsight/backsight These are the modes of measurement. Foreground is the instrument's normal measurement mode. Rear view is obtained by the following method The vertical axis is rotated by 180 ° and the beam is rotated around the horizontal axis to recalibrate the target point. Note that forward/backward vision is sometimes referred to as frontal/inverted vision or face 1/face 2. 3.3 base point homepoint Relative laser tracker fixed position, and the relationship between the origin of the coordinate system of the instrument has been accurately determined. Note. The base point is used as the distance reference for the laser tracker rangefinder. 3.4 Interferometer interferometer, IFM Laser Displacement Interferometer built into laser tracker. 3.5 Measurement Capability Index measurementcapabilityindex, Cm The ratio of the absolute value of the maximum allowable error of the length measurement to the extended uncertainty of the corresponding reference length. Cm = | MPE |/U 3.6 spherical reflective target sphericalymountedretroreflector, SMR Reflective target mounted in a spherical housing. Note that for open pyramids, the apex is usually adjusted to match the center of the sphere. 3.7 two-sided test two-facetest Test with front/rear view to assess the effect of some specific geometric errors on the instrument.

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