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Journal Articles

Friction Forces in a Linear-Guideway Type Recirculating Ball Bearing Under Grease Lubrication

Hiroyuki Ohta, Kazunori Oguma, Koji Takane, Soichiro Kato
Journal: Journal of Tribology
Article Type: Technical Briefs
J. Tribol. June 2021, 143(6): 064501.
Paper No: TRIB-20-1286
DOI: https://doi.org/10.1115/1.4048498
Published Online: October 13, 2020
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Topics: Bearings, Friction, Lubrication, Ball bearings
Journal Articles

Erratum: “Effects of Grease Characteristics on Sound and Vibration of a Linear-Guideway Type Recirculating Ball Bearing” [ASME J. Tribol., 2016, 138(2), p. 021101; DOI: 10.1115/1.4031437]

Hiroyuki Ohta, Tatsuya Tsuruoka, Yukitoshi Fujinami, Soichiro Kato
Journal: Journal of Tribology
Article Type: Errata
J. Tribol. September 2017, 139(5): 057001.
Paper No: TRIB-16-1023
DOI: https://doi.org/10.1115/1.4036176
Published Online: May 24, 2017
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Topics: Ball bearings, Bearing design, Bearings, Rolling bearings, Vibration
Journal Articles

Effects of Grease Characteristics on Sound and Vibration of a Linear-Guideway Type Recirculating Ball Bearing

Hiroyuki Ohta, Tatsuya Tsuruoka, Yukitoshi Fujinami, Soichiro Kato
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. April 2016, 138(2): 021101.
Paper No: TRIB-15-1176
DOI: https://doi.org/10.1115/1.4031437
Published Online: October 15, 2015
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Topics: Bearings, Sound pressure, Vibration, Ball bearings, Viscosity
Journal Articles

Carriage Drift in Linear-Guideway Type Roller Bearings

Hiroyuki Ohta, Taiki Kato, Soichiro Kato, Hideyuki Tajimi
Journal: Journal of Tribology
Article Type: Technical Briefs
J. Tribol. April 2015, 137(2): 024505.
Paper No: TRIB-14-1079
DOI: https://doi.org/10.1115/1.4029641
Published Online: April 1, 2015
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Topics: Railroad passenger cars, Roller bearings, Rollers
Journal Articles

Vibration and Acoustic Emission Measurements Evaluating the Separation of the Balls and Raceways With Lubricating Film in a Linear Bearing Under Grease Lubrication

Hiroyuki Ohta, Yuko Nakajima, Soichiro Kato, Hideyuki Tajimi
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. October 2013, 135(4): 041104.
Paper No: TRIB-12-1113
DOI: https://doi.org/10.1115/1.4024936
Published Online: August 6, 2013
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Topics: Bearings, Rails, Separation (Technology), Vibration, Viscosity, Railroad passenger cars, Lubrication, Temperature
Proceedings Papers

Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings

Hiroyuki Ohta, Shinya Hayashi, Soichiro Kato, Yutaka Igarashi
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 187-189, October 17–20, 2010
Paper No: IJTC2010-41053
DOI: https://doi.org/10.1115/IJTC2010-41053
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Topics: Acoustic emissions, Ball bearings, Vibration, Bearings, Viscosity, Lubrication
Journal Articles

Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings

Hiroyuki Ohta, Shinya Hayashi, Soichiro Kato, Yutaka Igarashi
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021102.
DOI: https://doi.org/10.1115/1.4003302
Published Online: March 22, 2011
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Topics: Acoustic emissions, Ball bearings, Bearings, Vibration, Viscosity, Railroad passenger cars, Spectra (Spectroscopy), Impact testing
Journal Articles

Vibration and Acoustic Emission of Linear-Guideway Type Recirculating Ball Bearings With a Millimeter-Sized Artificial Defect in the Carriage

Hiroyuki Ohta, Kazuya Matsuura, Soichiro Kato, Yutaka Igarashi
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011101.
DOI: https://doi.org/10.1115/1.4000271
Published Online: November 9, 2009
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Topics: Acoustic emissions, Ball bearings, Bearings, Railroad passenger cars, Vibration, Collisions (Physics)
Proceedings Papers

A Design of Crowning to Reduce Ball Passage Vibrations of a Linear Guideway Type Recirculating Linear Ball Bearing

Hiroyuki Ohta, Soichiro Kato, Jun Matsumoto, Kenta Nakano
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 749-755, October 24–27, 2004
Paper No: TRIB2004-64012
DOI: https://doi.org/10.1115/TRIB2004-64012
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Topics: Ball bearings, Bearings, Design, Vibration
Proceedings Papers

Effects of Ball Groupings on Ball Passage Vibrations of a Linear Guideway Type Ball Bearing: Pitching and Yawing Ball Passage Vibrations

Hiroyuki Ohta, Yoshiki Kitajima, Soichiro Kato, Yutaka Igarashi
Proc. ASME. IJTC2006, Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics, 525-532, October 23–25, 2006
Paper No: IJTC2006-12017
DOI: https://doi.org/10.1115/IJTC2006-12017
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Topics: Ball bearings, Vibration, Yaw, Computational methods, Lasers
Journal Articles

Effects of Ball Groupings on Ball Passage Vibrations of a Linear Guideway Type Ball Bearing (Pitching and Yawing Ball Passage Vibrations)

Hiroyuki Ohta, Yoshiki Kitajima, Soichiro Kato, Yutaka Igarashi
Journal: Journal of Tribology
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 188–193.
DOI: https://doi.org/10.1115/1.2401215
Published Online: September 18, 2006
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Topics: Ball bearings, Bearings, Vibration, Yaw, Computational methods
Journal Articles

A Design of Crowning to Reduce Ball Passage Vibrations of a Linear Guideway Type Recirculating Linear Ball Bearing

Hiroyuki Ohta, Associate Professor,, Soichiro Kato, Manager,, Jun Matsumoto, Engineer,, Kenta Nakano, Engineer,
Journal: Journal of Tribology
Article Type: Article
J. Tribol. April 2005, 127(2): 257–262.
DOI: https://doi.org/10.1115/1.1828436
Published Online: April 7, 2005
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Topics: Bearings, Design, Vibration, Ball bearings