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Alignment and arm length measurement of the swing arm profilometer using a laser tracker
Hongwei Jing; King; C.; Walker; D.
Volume7656
Pages765662 (6 pp.)
2010
Language英语
Indexed ByEi ; ISTP
Subtype会议论文
AbstractIn 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.; 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.
Conference NameProceedings of the SPIE - The International Society for Optical Engineering
Conference Date2010
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7910
Collection质量处(质检中心)
Corresponding AuthorHongwei Jing
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Hongwei Jing,King,C.,et al. Alignment and arm length measurement of the swing arm profilometer using a laser tracker[C],2010:765662 (6 pp.).
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