Reproducibility of machine tools’ circularity test according to ISO 230-4 with respect to testing position

Author:

Woźniak Monika1,Majda Paweł2

Affiliation:

1. Paweł Majda a a West Pomeranian University of Technology, Faculty of Mechanical Engineering, Institute of Manufacturing Engineering, Al. Piastów 19, 70-310 Szczecin , Poland

2. West Pomeranian University of Technology, Faculty of Mechanical Engineering, Institute of Manufacturing Engineering, Al. Piastów 19, 70-310 Szczecin , Poland

Abstract

Abstract In this paper circularity of three different machine tools by Virtual Machine was analyzed. To get circularity we make a ball bar test according to ISO 230-4. The test is very common in engineering for a quick diagnostic Computerized Numerical Control (CNC) technical conditions. We implemented earlier calculations of Volumetric Error in our Virtual Machine. Then we simulated testing of circularity of CNC machine tools. The place to take the test was chosen randomly from Uniform Distribution in three different kinds of machine tools. Those machines had different characteristics of kinematic errors and squareness and also different sizes of working space. We observed significant differences in the indicator (circularity) depending on the place where the test was taken. Moreover we showed that there was no reason to take the test in the center of working table.

Publisher

Walter de Gruyter GmbH

Reference15 articles.

1. [1] Hughes E.B., Wilson A., Peggs G.N., Design of a High- Accuracy CMM Based on Multi-Lateration Techniques, CIRP Annals - Manufacturing Technology, 49 (2000), 391-400.

2. [2] Majda P., Modelowanie i eksperymentalna ocena dokładności przestrzennego pozycjonowania zespołów posuwowych obrabiarek sterowanych numerycznie, ZAPOL, Szczecin 2012.

3. [3] Józwik J., Pieśko P., Krajewski G., Evaluation of QC10 Ballbar diagnostics method for CNC machine, Maintenance and Reliability, , 3(47) (2010), 10-20.

4. [4] Weck M., Mckeown A., Bonse R., Herbst U.: Reduction and Compensation of Thermal Errors in Machine Tools, CIRP Annals - Manufacturing Technology, 44 (1995) 2, 589-598.

5. [5] ISO 230-4:2005 Test code for machine tools -- Part 4: Circular tests for numerically controlled machine tools

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