Alignment and arm length measurement of the swing arm profilometer using a laser tracker

Hongwei Jing, Christopher King, David Walker

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we present the use of the laser tracker to aid the alignment of a Swing Arm Profilometer (SAP) and measure the length of the swinging arm, thus calibrating the operating radius of the SAP. The measurement uncertainty analysis is given. A laser tracker is used to align the SAP to ensure the path of the probe head passes through the rotary axis of the rotary table. By building the coordinate system by laser tracker measurement on the rotary table and measuring the swinging arc of the arm, we can determine whether the swinging path of the probe head passes through the rotary axis of the rotary table and perform the corresponding adjustment if necessary. A laser tracker is also used to measure the arm length, i.e. the length between the probe's ball centre and the rotation axis of the swinging arm. By placing a retroreflector or the tracker ball on the swinging arm and scanning the swinging path of the arm using the laser tracker, we can acquire the data of an arc and fit to determine the length of the probe head center to rotation axis of swinging arm, thus giving accurate SAP calibration data.

Original languageEnglish
Title of host publication5th International Symposium on Advanced Optical Manufacturing and Testing Technologies
Subtitle of host publicationOptical Test and Measurement Technology and Equipment
Volume7656
EditionPART 1
DOIs
Publication statusPublished - 16 Dec 2010
Externally publishedYes
Event5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment - Dalian, China
Duration: 26 Apr 201029 Apr 2010

Conference

Conference5th International Symposium on Advanced Optical Manufacturing and Testing Technologies
CountryChina
CityDalian
Period26/04/1029/04/10

Fingerprint

profilometers
Alignment
alignment
Laser
Probe
Lasers
Table
axes of rotation
probes
lasers
Path
balls
Arc of a curve
Ball
arcs
retroreflectors
Uncertainty Analysis
Measurement Uncertainty
Uncertainty analysis
calibrating

Cite this

Jing, H., King, C., & Walker, D. (2010). Alignment and arm length measurement of the swing arm profilometer using a laser tracker. In 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment (PART 1 ed., Vol. 7656). [765662] https://doi.org/10.1117/12.868154
Jing, Hongwei ; King, Christopher ; Walker, David. / Alignment and arm length measurement of the swing arm profilometer using a laser tracker. 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. Vol. 7656 PART 1. ed. 2010.
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Jing, H, King, C & Walker, D 2010, Alignment and arm length measurement of the swing arm profilometer using a laser tracker. in 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. PART 1 edn, vol. 7656, 765662, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, Dalian, China, 26/04/10. https://doi.org/10.1117/12.868154

Alignment and arm length measurement of the swing arm profilometer using a laser tracker. / Jing, Hongwei; King, Christopher; Walker, David.

5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. Vol. 7656 PART 1. ed. 2010. 765662.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In this paper, we present the use of the laser tracker to aid the alignment of a Swing Arm Profilometer (SAP) and measure the length of the swinging arm, thus calibrating the operating radius of the SAP. The measurement uncertainty analysis is given. A laser tracker is used to align the SAP to ensure the path of the probe head passes through the rotary axis of the rotary table. By building the coordinate system by laser tracker measurement on the rotary table and measuring the swinging arc of the arm, we can determine whether the swinging path of the probe head passes through the rotary axis of the rotary table and perform the corresponding adjustment if necessary. A laser tracker is also used to measure the arm length, i.e. the length between the probe's ball centre and the rotation axis of the swinging arm. By placing a retroreflector or the tracker ball on the swinging arm and scanning the swinging path of the arm using the laser tracker, we can acquire the data of an arc and fit to determine the length of the probe head center to rotation axis of swinging arm, thus giving accurate SAP calibration data.

AB - In this paper, we present the use of the laser tracker to aid the alignment of a Swing Arm Profilometer (SAP) and measure the length of the swinging arm, thus calibrating the operating radius of the SAP. The measurement uncertainty analysis is given. A laser tracker is used to align the SAP to ensure the path of the probe head passes through the rotary axis of the rotary table. By building the coordinate system by laser tracker measurement on the rotary table and measuring the swinging arc of the arm, we can determine whether the swinging path of the probe head passes through the rotary axis of the rotary table and perform the corresponding adjustment if necessary. A laser tracker is also used to measure the arm length, i.e. the length between the probe's ball centre and the rotation axis of the swinging arm. By placing a retroreflector or the tracker ball on the swinging arm and scanning the swinging path of the arm using the laser tracker, we can acquire the data of an arc and fit to determine the length of the probe head center to rotation axis of swinging arm, thus giving accurate SAP calibration data.

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Jing H, King C, Walker D. Alignment and arm length measurement of the swing arm profilometer using a laser tracker. In 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. PART 1 ed. Vol. 7656. 2010. 765662 https://doi.org/10.1117/12.868154