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Journal Articles

Rolling Traction in Isoviscous-Rigid, Piezoviscous-Rigid, and Elastohydrodynamic Lubrication Regimes at Line Contact

Hiroyuki Ohta, Daisuke Matsuyama
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. May 2024, 146(5): 054101.
Paper No: TRIB-23-1152
https://doi.org/10.1115/1.4064394
Published Online: January 29, 2024
View Article titled, Rolling Traction in Isoviscous-Rigid, Piezoviscous-Rigid, and Elastohydrodynamic Lubrication Regimes at Line Contact
Open the PDF for Rolling Traction in Isoviscous-Rigid, Piezoviscous-Rigid, and Elastohydrodynamic Lubrication Regimes at Line Contact in another window
Topics: Stress, Traction, Disks, Elastohydrodynamic lubrication, Ball bearings
Journal Articles

Expressions of Friction Force of a Four-Point Contact Linear Ball Bearing With Two Rows Under Low-Speed Operation

Hiroyuki Ohta, Yusuke Ueki
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2022, 144(10): 101502.
Paper No: TRIB-22-1017
https://doi.org/10.1115/1.4054399
Published Online: May 10, 2022
View Article titled, Expressions of Friction Force of a Four-Point Contact Linear Ball Bearing With Two Rows Under Low-Speed Operation
Open the PDF for Expressions of Friction Force of a Four-Point Contact Linear Ball Bearing With Two Rows Under Low-Speed Operation in another window
Topics: Ball bearings, Bearings, Friction, Railroad passenger cars
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
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. June 2021, 143(6): 064501.
Paper No: TRIB-20-1286
https://doi.org/10.1115/1.4048498
Published Online: October 13, 2020
View Article titled, Friction Forces in a Linear-Guideway Type Recirculating Ball Bearing Under Grease Lubrication
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Topics: Bearings, Friction, Lubrication, Ball bearings
Journal Articles

Reduction of Sticking in a Linear-Guideway Type Recirculating Ball Bearing

Hiroyuki Ohta, Guillermo Andres Guajardo Dueñas, Yusuke Ueki
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. February 2019, 141(2): 022202.
Paper No: TRIB-18-1123
https://doi.org/10.1115/1.4041210
Published Online: October 16, 2018
View Article titled, Reduction of Sticking in a Linear-Guideway Type Recirculating Ball Bearing
Open the PDF for Reduction of Sticking in a Linear-Guideway Type Recirculating Ball Bearing in another window
Topics: Bearings, Deformation, Railroad passenger cars, Stress, Finite element methods, 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
Publisher: ASME
Article Type: Errata
J. Tribol. September 2017, 139(5): 057001.
Paper No: TRIB-16-1023
https://doi.org/10.1115/1.4036176
Published Online: May 24, 2017
View Article titled, 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]
Open the PDF for 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] in another window
Topics: Ball bearings, Bearing design, Bearings, Rolling bearings, Vibration
Journal Articles

Erratum: “Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings” [ASME J. Tribol., 2016, 139(1), p. 011103; DOI: 10.1115/1.4033136]

Hiroyuki Ohta, Tomoya Sakaguchi, Masaharu Uchiumi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Errata
J. Tribol. September 2017, 139(5): 057002.
Paper No: TRIB-16-1393
https://doi.org/10.1115/1.4036178
Published Online: May 24, 2017
View Article titled, Erratum: “Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings” [ASME J. Tribol., 2016, 139(1), p. 011103; DOI: 10.1115/1.4033136]
Open the PDF for Erratum: “Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings” [ASME J. Tribol., 2016, 139(1), p. 011103; DOI: 10.1115/1.4033136] in another window
Topics: Ball bearings, Bearing design, Bearings, Displacement, Rolling bearings, Stress
Journal Articles

Sticking of a Linear-Guideway Type Recirculating Ball Bearing

Hiroyuki Ohta, Genta Hanaoka, Yusuke Ueki
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. May 2017, 139(3): 031103.
Paper No: TRIB-16-1101
https://doi.org/10.1115/1.4034961
Published Online: March 7, 2017
View Article titled, Sticking of a Linear-Guideway Type Recirculating Ball Bearing
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Topics: Ball bearings, Bearings, Stress, Friction, Railroad passenger cars, Sliding friction
Journal Articles

Entrance Region Heat Transfer in a Channel With a Ribbed Wall

Koji Matsubara, Hiroyuki Ohta, Takahiro Miura
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. December 2016, 138(12): 122001.
Paper No: HT-15-1297
https://doi.org/10.1115/1.4034052
Published Online: August 2, 2016
View Article titled, Entrance Region Heat Transfer in a Channel With a Ribbed Wall
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Topics: Entrance region, Heat, Heat transfer, Heat transfer coefficients, Statistics, Turbulence, Flow (Dynamics), Temperature, Skin friction (Fluid dynamics), Friction
Journal Articles

Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings

Hiroyuki Ohta, Tomoya Sakaguchi, Masaharu Uchiumi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. January 2017, 139(1): 011103.
Paper No: TRIB-15-1417
https://doi.org/10.1115/1.4033136
Published Online: July 20, 2016
View Article titled, Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings
Open the PDF for Load–Displacement Relationship of a Ball Bearing With Axial, Radial, and Angular Displacements for Both the Inner and Outer Rings in another window
Topics: Ball bearings, Displacement, Stress
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
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2016, 138(2): 021101.
Paper No: TRIB-15-1176
https://doi.org/10.1115/1.4031437
Published Online: October 15, 2015
View Article titled, Effects of Grease Characteristics on Sound and Vibration of a Linear-Guideway Type Recirculating Ball Bearing
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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
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. April 2015, 137(2): 024505.
Paper No: TRIB-14-1079
https://doi.org/10.1115/1.4029641
Published Online: April 1, 2015
View Article titled, Carriage Drift in Linear-Guideway Type Roller Bearings
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Topics: Railroad passenger cars, Roller bearings, Rollers
Journal Articles

Effects of Contact Ratio on Transmission Errors of Trochoidal Gears

Hiroyuki Ohta, Masahumi Kurita, Kengo Kishi
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. July 2014, 136(3): 031101.
Paper No: TRIB-13-1137
https://doi.org/10.1115/1.4027130
Published Online: April 1, 2014
View Article titled, Effects of Contact Ratio on Transmission Errors of Trochoidal Gears
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Topics: Errors, Gears, 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
Publisher: ASME
Article Type: Research-Article
J. Tribol. October 2013, 135(4): 041104.
Paper No: TRIB-12-1113
https://doi.org/10.1115/1.4024936
Published Online: August 6, 2013
View Article titled, Vibration and Acoustic Emission Measurements Evaluating the Separation of the Balls and Raceways With Lubricating Film in a Linear Bearing Under Grease Lubrication
Open the PDF for Vibration and Acoustic Emission Measurements Evaluating the Separation of the Balls and Raceways With Lubricating Film in a Linear Bearing Under Grease Lubrication in another window
Topics: Bearings, Rails, Separation (Technology), Vibration, Viscosity, Railroad passenger cars, Lubrication, Temperature
Journal Articles

Effects of Eccentricity on Transmission Errors of Trochoidal Gears

Hiroyuki Ohta, Ayumu Yamakawa, Yoshitake Katayama
Journal: Journal of Tribology
Publisher: ASME
Article Type: Applications
J. Tribol. January 2012, 134(1): 011102.
https://doi.org/10.1115/1.4005645
Published Online: March 6, 2012
View Article titled, Effects of Eccentricity on Transmission Errors of Trochoidal Gears
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Topics: Errors, Gears, Rollers
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
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2010-41053
https://doi.org/10.1115/IJTC2010-41053
View Paper titled, Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings
Open the PDF for Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings in another window
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
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021102.
https://doi.org/10.1115/1.4003302
Published Online: March 22, 2011
View Article titled, Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings
Open the PDF for Effects of Grease Types on Vibration and Acoustic Emission of Defective Linear-Guideway Type Recirculating Ball Bearings in another window
Topics: Acoustic emissions, Ball bearings, Bearings, Vibration, Viscosity, Railroad passenger cars, Spectra (Spectroscopy), Impact testing
Journal Articles

Vertical Stiffnesses of Preloaded Linear Guideway Type Ball Bearings Incorporating the Flexibility of the Carriage and Rail

Hiroyuki Ohta, Keisuke Tanaka
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011102.
https://doi.org/10.1115/1.4000277
Published Online: November 10, 2009
View Article titled, Vertical Stiffnesses of Preloaded Linear Guideway Type Ball Bearings Incorporating the Flexibility of the Carriage and Rail
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Topics: Deformation, Railroad passenger cars, Rails, Stiffness, Stress, Ball bearings, Bearings
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
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011101.
https://doi.org/10.1115/1.4000271
Published Online: November 9, 2009
View Article titled, Vibration and Acoustic Emission of Linear-Guideway Type Recirculating Ball Bearings With a Millimeter-Sized Artificial Defect in the Carriage
Open the PDF for Vibration and Acoustic Emission of Linear-Guideway Type Recirculating Ball Bearings With a Millimeter-Sized Artificial Defect in the Carriage in another window
Topics: Acoustic emissions, Ball bearings, Bearings, Railroad passenger cars, Vibration, Collisions (Physics)
Proceedings Papers

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

Hiroyuki Ohta, Kazuya Matsuura, Soichro Kato, Yutaka Igarashi
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 441-443, October 20–22, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2008-71269
https://doi.org/10.1115/IJTC2008-71269
View Paper titled, Vibration and Acoustic Emission of Linear-Guideway Type Recirculating Linear Ball Bearings With One Artificial Defect in the Carriage
Open the PDF for Vibration and Acoustic Emission of Linear-Guideway Type Recirculating Linear Ball Bearings With One Artificial Defect in the Carriage in another window
Topics: Acoustic emissions, Ball bearings, Railroad passenger cars, Vibration, Bearings, Machinery, Failure
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
Publisher: American Society of Mechanical Engineers
Paper No: TRIB2004-64012
https://doi.org/10.1115/TRIB2004-64012
View Paper titled, A Design of Crowning to Reduce Ball Passage Vibrations of a Linear Guideway Type Recirculating Linear Ball Bearing
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Topics: Ball bearings, Bearings, Design, Vibration