Results 1 to 10 of about 3,881 (78)
Discussion on Ball Screw Slide–Roll Ratio and Entrainment Velocity Calculation
Machines, 2022 The slide–roll ratio and entrainment velocity are critical parameters in ball screw mechanism tribology investigations and are often determined by Chin-Chung Wei’s approach. Their findings indicated that substantial sliding always occurs between the ball
Weike Wang +3 more
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Analysis of Friction in Total Knee Prosthesis during a Standard Gait Cycle
Lubricants, 2021 Total knee arthroplasty is on the rise worldwide. Despite its success, revision surgeries are also increasing. According to the American Joint Replacement Registry 2020, 3.3% of revision surgeries are due to wear, and 24.2% are due to mechanical ...
Matúš Ranuša +4 more
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Lubricants, 2023 This paper develops a coupling model of cam-roller contact and roller-pin contact considering thermal effects based on the exhaust cam-roller unit of an internal combustion engine.
Shuyi Li +4 more
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Lubricants, 2023 This study compares the film thickness, lubricant temperature, and traction curves of two groups of commonly used constitutive models for lubricants in thermo-elastohydrodynamic lubrication (TEHL) modelling.
Peyman Havaej +2 more
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Mathematics, 2021 Gear wear is a common fault that occurs in a gear transmission system that degrades the operating efficiency and may cause other catastrophic failures such as tooth breakage and fatigue.
Xiuquan Sun +4 more
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Influence of physical-property models on thermal elastohydrodynamic lubrication solutions
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2023 This study numerically obtains the thermal elastohydrodynamic lubrication (TEHL) solutions of different physical-property models of five lubricants and different thermal properties of the solids.
Toshiharu KAZAMA
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Film Thickness Changes in EHD Sliding Contacts Lubricated by a Fatty Alcohol
Tribology Online, 2006 This paper describes the appearance of abnormal film thickness features formed in elastohydrodynamic contacts lubricated by a fatty alcohol. Experiments were conducted by varying the slide to roll ratio between a steel ball and a glass disk in a ball-on ...
Kazuyuki Yagi, Philippe Vergne
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Lubricants, 2023 In order to improve the tribological performance of PVD–MoS2 coatings, which are frequently used as a solid lubricant for operating in challenging environments, e.g., in a vacuum, they can be modified with nitrogen.
Armin Seynstahl +4 more
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Tribology Online, 2009 Under the elliptical contact conditions with an ellipticity parameter of Ke=1.4, a non-Newtonian thermal EHL analysis was carried out. The lubricating oil was assumed to behave as a Maxwell fluid.
Toshifumi Mawatari, Akira Nakajima
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Effect of contact angle and helix angle on slide-roll ratio under the uniform motion state of BSM
MATEC Web of Conferences, 2017 To study the effect of contact and helix angles on slide-roll ratio at the ball contact point under the uniform motion state of ball screw mechanism (BSM), a slide- roll ratio model was derived in the literature [9] were used in this paper.
Deshun Kong, Min Wang, Xiangsheng Gao
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