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2019•Tenth International Symposium on Precision Engineering Measurements and InstrumentationRequires access

Probe error analysis of articulated arm coordinate measuring machine

Zeliang Cai, Zai Luo, Hui Liu

Open publisher page 2 citations

Abstract

Researched on the probe’s diameter error of the Articulated Arm Coordinate Measuring Machine (AACMM) in the measuring process. Based on the analysis of the influence of the error source on the accuracy of the probe, the influence of the contact force on the measuring diameter of the probe was analyzed emphatically. It was proposed to use the Coordinate Measuring Machine (CMM) to identify the probe diameter error of the AACMM and apply the least square method to compensate the probe diameter error. The results show that the research method has certain feasibility. The maximum error of the length measurement is reduced by about 47 um. The average error is reduced from 0.0315 mm to 0.0046 mm, which improved the measurement accuracy of the AACMM.

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What this paper is about

Researched on the probe’s diameter error of the Articulated Arm Coordinate Measuring Machine (AACMM) in the measuring process. Based on the analysis of the influence of the error source on the accuracy of the probe, the influence of the contact force on the measuring diameter of the probe was analyzed emphatically. It was proposed to use the Coordinate Measuring Machine (CMM) to identify the probe diameter error of the AACMM and apply the least square method to compensate the probe diameter error. The results show that the research method has certain feasibility. The maximum error of the length measurement is reduced by about 47 um. The average error is reduced from 0.0315 mm to 0.0046 mm, which improved the measurement accuracy of the AACMM.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Researched on the probe’s diameter error of the Articulated Arm Coordinate Measuring Machine (AACMM) in the measuring process. Based on the analysis of the influence of the error source on the accuracy of the probe, the influence of the contact force on the measuring diameter of the probe was analyzed emphatically. It was proposed to use the Coordinate Measuring Machine (CMM) to identify the probe diameter error of the AACMM and apply the least square method to compensate the probe diameter error. The results show that the research method has certain feasibility. The maximum error of the length measurement is reduced by about 47 um. The average error is reduced from 0.0315 mm to 0.0046 mm, which improved the measurement accuracy of the AACMM.

Key concepts: Coordinate-measuring machine, Observational error, Process (computing), Computer science, Error analysis, Measurement uncertainty, Accuracy and precision, Mean squared error

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