Techniques developed for fault diagnosis of long-range running ball screw drive machine to evaluate lubrication condition

Chang Fu Han, He Qing He, Chin Chung Wei, Jeng Haur Horng, Yueh Lin Chiu, Yih Chyun Hwang, Jen Fin Lin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study focuses on the acquisitions of vibration and torque signals of a ball screw drive system in upward-downward reciprocating motion and data processing techniques in order to identify the longest running distance under normal operation without lubricant replenishment. The Fast Fourier transform (FFT) spectra were used to determine the approximate frequency ranges of vibrations due to the friction and wear arising in the upper and lower nuts of the duel ball-screw design. Fractal theory was applied to the vibration signals to determine fractal dimension (D) and topothesy (G) values varying with distance. G is an efficient parameter for evaluating approximate lubrication degradation. A running distance of 90–100 km was roughly estimated to be the starting point of lubrication degradation. The vibration signals associated with the upper and lower nuts were classified using support vector machine (SVM) to evaluate their accuracy. The highest accuracy (>95%) was obtained for the upper nut, for which the predicted running distance was near 100 km. The running distance before required lubricant replenishment was thus determined to be within a range of 90–100 km. The upper nut experienced the highest friction and wear; its effect on the lower nut is also discussed.

Original languageEnglish
Pages (from-to)274-288
Number of pages15
JournalMeasurement: Journal of the International Measurement Confederation
Volume126
DOIs
Publication statusPublished - 2018 Oct 1

Fingerprint

Ball screws
screws
lubrication
Failure analysis
Lubrication
Lubricants
balls
Wear of materials
Friction
Degradation
Fractal dimension
replenishment
vibration
Fractals
Fast Fourier transforms
Support vector machines
lubricants
Torque
fractals
friction

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

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abstract = "This study focuses on the acquisitions of vibration and torque signals of a ball screw drive system in upward-downward reciprocating motion and data processing techniques in order to identify the longest running distance under normal operation without lubricant replenishment. The Fast Fourier transform (FFT) spectra were used to determine the approximate frequency ranges of vibrations due to the friction and wear arising in the upper and lower nuts of the duel ball-screw design. Fractal theory was applied to the vibration signals to determine fractal dimension (D) and topothesy (G) values varying with distance. G is an efficient parameter for evaluating approximate lubrication degradation. A running distance of 90–100 km was roughly estimated to be the starting point of lubrication degradation. The vibration signals associated with the upper and lower nuts were classified using support vector machine (SVM) to evaluate their accuracy. The highest accuracy (>95{\%}) was obtained for the upper nut, for which the predicted running distance was near 100 km. The running distance before required lubricant replenishment was thus determined to be within a range of 90–100 km. The upper nut experienced the highest friction and wear; its effect on the lower nut is also discussed.",
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Techniques developed for fault diagnosis of long-range running ball screw drive machine to evaluate lubrication condition. / Han, Chang Fu; He, He Qing; Wei, Chin Chung; Horng, Jeng Haur; Chiu, Yueh Lin; Hwang, Yih Chyun; Lin, Jen Fin.

In: Measurement: Journal of the International Measurement Confederation, Vol. 126, 01.10.2018, p. 274-288.

Research output: Contribution to journalArticle

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