Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part I—Model Development
AbstractThe 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
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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.
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(10):1610.Chicago/Turabian Style
Calvo, Roque; D’Amato, Roberto; Gómez, Emilio; Domingo, Rosario. 2016. "Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part I—Model Development." Sensors 16, no. 10: 1610.
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