Manufacturing Technology 2023, 23(4):513-524 | DOI: 10.21062/mft.2023.051

Evaluation of Measurement Uncertainty Obtained with a Tool Probe on a CNC Machine Tool

Daria Sałamacha ORCID..., Jerzy Józwik ORCID...
Faculty of Mechanical Engineering, Lublin University of Technology. 20-618 Lublin, Poland

The paper presents the results of measurement uncertainty obtained with a tool probe for 4 cutting tools with different values of the nominal radius rf = {3,4,5,7} mm. The tool probe was used to collect experimental data enabling the evaluation of the uncertainty budget of the measuring system. The evaluation was made based on a statistical analysis of measured tool radius values. Each radius value was determined by 30 repetitions of tool probe measurement. The mean value and the standard uncertainty of obtained results were determined. Assuming that the expansion factor was k=2, the expanded uncertainty U was determined, its value ranging between 0.00142 mm and 0.00462 mm for the tested tool radius values. The standard uncertainty ranged from 0.00081 to 0.00231 mm. According to the manufacturer's specifications, the standard uncertainty of the probe is 0.0015 mm.

Keywords: Tool probe, Measurement uncertainty, Contour tolerance, Dimensional and shape accuracy, CNC machine tool
Grants and funding:

This work was prepared within the project PM/SP/0063/2021/1 titled “Innovative measurement technologies supported by digital data processing algorithms for improved processes and products”, financed by the Ministry of Education and Science (Poland) as part of the Polish Metrology Programme

Received: March 15, 2023; Revised: July 11, 2023; Accepted: July 13, 2023; Prepublished online: July 13, 2023; Published: September 5, 2023  Show citation

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Sałamacha D, Józwik J. Evaluation of Measurement Uncertainty Obtained with a Tool Probe on a CNC Machine Tool. Manufacturing Technology. 2023;23(4):513-524. doi: 10.21062/mft.2023.051.
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