This paper deals with the effects of grease characteristics on sound and vibration of a linear-guideway type ball bearing. First, sound, vibration, and temperature of a linear-guideway type ball bearing were measured by changing 16 types of greases. Next, in order to explain the effects of grease characteristics (absolute viscosity η0 of the base oil in the grease at atmospheric pressure, pressure–viscosity coefficient ξ of the base oil, and penetration P of grease) and linear velocity V on the sound pressure p and vibratory acceleration a of the linear bearing, dimensional analyses were carried out. The dimensional analyses derived dimensionless products Pp/(η0V) and η0ξV/P for the sound, and dimensionless products Pa/V2 and η0ξV/P for the vibration. The plot of the measured data using dimensionless products showed that both sound pressure p and vibratory acceleration a (under a certain linear velocity) decreased as the absolute viscosity η0 of the base oil in the grease at atmospheric pressure or the pressure–viscosity coefficient ξ increased. Whereas the sound pressure p decreased as the penetration P decreased, the vibratory acceleration a decreased as P increased.
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April 2016
Research-Article
Effects of Grease Characteristics on Sound and Vibration of a Linear-Guideway Type Recirculating Ball Bearing
Hiroyuki Ohta,
Hiroyuki Ohta
Department of Mechanical Engineering,
Nagaoka University of Technology,
Graduate School of Engineering,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
e-mail: ohta@mech.nagaokaut.ac.jp
Nagaoka University of Technology,
Graduate School of Engineering,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
e-mail: ohta@mech.nagaokaut.ac.jp
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Tatsuya Tsuruoka,
Tatsuya Tsuruoka
Department of Mechanical Engineering,
Graduate School of Engineering,
Nagaoka University of Technology,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
Graduate School of Engineering,
Nagaoka University of Technology,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
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Yukitoshi Fujinami,
Yukitoshi Fujinami
Lubricants Research Laboratory,
Idemitsu Kosan Co., Ltd.,
24-4 Anesakikaigan,
Ichihara, Chiba 299-0107, Japan
Idemitsu Kosan Co., Ltd.,
24-4 Anesakikaigan,
Ichihara, Chiba 299-0107, Japan
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Soichiro Kato
Soichiro Kato
LG Technology Department,
Linear Technology Center,
NSK Ltd.,
12 Kirihara,
Fujisawa, Kanagawa 252-0811, Japan
Linear Technology Center,
NSK Ltd.,
12 Kirihara,
Fujisawa, Kanagawa 252-0811, Japan
Search for other works by this author on:
Hiroyuki Ohta
Department of Mechanical Engineering,
Nagaoka University of Technology,
Graduate School of Engineering,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
e-mail: ohta@mech.nagaokaut.ac.jp
Nagaoka University of Technology,
Graduate School of Engineering,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
e-mail: ohta@mech.nagaokaut.ac.jp
Tatsuya Tsuruoka
Department of Mechanical Engineering,
Graduate School of Engineering,
Nagaoka University of Technology,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
Graduate School of Engineering,
Nagaoka University of Technology,
1603-1 Kamitomioka,
Nagaoka, Niigata 940-2188, Japan
Yukitoshi Fujinami
Lubricants Research Laboratory,
Idemitsu Kosan Co., Ltd.,
24-4 Anesakikaigan,
Ichihara, Chiba 299-0107, Japan
Idemitsu Kosan Co., Ltd.,
24-4 Anesakikaigan,
Ichihara, Chiba 299-0107, Japan
Soichiro Kato
LG Technology Department,
Linear Technology Center,
NSK Ltd.,
12 Kirihara,
Fujisawa, Kanagawa 252-0811, Japan
Linear Technology Center,
NSK Ltd.,
12 Kirihara,
Fujisawa, Kanagawa 252-0811, Japan
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received May 31, 2015; final manuscript received August 20, 2015; published online October 15, 2015. Assoc. Editor: Ning Ren.
J. Tribol. Apr 2016, 138(2): 021101 (8 pages)
Published Online: October 15, 2015
Article history
Received:
May 31, 2015
Revised:
August 20, 2015
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Citation
Ohta, H., Tsuruoka, T., Fujinami, Y., and Kato, S. (October 15, 2015). "Effects of Grease Characteristics on Sound and Vibration of a Linear-Guideway Type Recirculating Ball Bearing." ASME. J. Tribol. April 2016; 138(2): 021101. https://doi.org/10.1115/1.4031437
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