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Parallelism error measurement for the spindle axis of machine tools by two circular tests with different tool lengths
- Parallelism error measurement for the spindle axis of machine tools by two circular tests with different tool lengths
- Lee, Kwang-Il; Shin, Dong-Hwan; Yang, Seung-Han
- DGIST Authors
- Shin, Dong-Hwan
- Issue Date
- International Journal of Advanced Manufacturing Technology, 88(9-12), 2883-2887
- Article Type
- Circular Test; Compensation; Double Ball Bar; Double Ball Bar; Eccentricity; Independent Geometric Errors; Machine Tools; Parallelismerrors; Spindle Axis
- In this study, parallelism errors between the spindle axis and the linear axis of machine tools were measured using a double ball-bar. Specifically, two circular tests were performed to measure the parallelism errors using tool balls with different tool lengths and a workpiece ball fixed to a workpiece table. Parallelism errors were calculated by analyzing, simultaneously, the measured double ball-bar (DBB) data from the circular tests. The proposed method provides accurate measurements due to a large offset between the circular tests within the working space of machine tools. Additionally, the approach only requires a DBB and adjustment/extension fixtures; thus, it simplifies measurements and is cost-effective.
- SPRINGER LONDON LTD
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