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Sensors 2016, 16(10), 1610; doi:10.3390/s16101610

Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part I—Model Development

1
Department of Mechanical Engineering, Chemistry and Industrial Design, Universidad Politécnica de Madrid, Ronda de Valencia 3, Madrid 28012, Spain
2
Department of Construction and Manufacturing Engineering, Universidad Nacional de Educación a Distancia (UNED), C/Juan del Rosal 12, Madrid 28040, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Gonzalo Pajares Martinsanz
Received: 7 August 2016 / Revised: 15 September 2016 / Accepted: 22 September 2016 / Published: 29 September 2016
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain 2016)
View Full-Text   |   Download PDF [1665 KB, uploaded 29 September 2016]   |  

Abstract

The development of an error compensation model for coordinate measuring machines (CMMs) and its integration into feature measurement is presented. CMMs are widespread and dependable instruments in industry and laboratories for dimensional measurement. From the tip probe sensor to the machine display, there is a complex transformation of probed point coordinates through the geometrical feature model that makes the assessment of accuracy and uncertainty measurement results difficult. Therefore, error compensation is not standardized, conversely to other simpler instruments. Detailed coordinate error compensation models are generally based on CMM as a rigid-body and it requires a detailed mapping of the CMM’s behavior. In this paper a new model type of error compensation is proposed. It evaluates the error from the vectorial composition of length error by axis and its integration into the geometrical measurement model. The non-explained variability by the model is incorporated into the uncertainty budget. Model parameters are analyzed and linked to the geometrical errors and uncertainty of CMM response. Next, the outstanding measurement models of flatness, angle, and roundness are developed. The proposed models are useful for measurement improvement with easy integration into CMM signal processing, in particular in industrial environments where built-in solutions are sought. A battery of implementation tests are presented in Part II, where the experimental endorsement of the model is included. View Full-Text
Keywords: CMM uncertainty; CMM error mapping; CMM verification; flatness measurement; angle measurement; roundness measurement CMM uncertainty; CMM error mapping; CMM verification; flatness measurement; angle measurement; roundness measurement
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MDPI and ACS Style

Calvo, R.; D’Amato, R.; Gómez, E.; Domingo, R. Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part I—Model Development. Sensors 2016, 16, 1610.

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