Effect of surface texturing on tribological performance of sliding guideway under boundary lubrication

Yue, Hongzhi; Deng, Jianxin; Ge, Dongliang; Li, Xuemu; Zhang, Yun

doi:10.1016/j.jmapro.2019.09.031

Cited by 40 publications

(13 citation statements)

References 28 publications

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“…10.6 µm, S a and D tended to be stable, with S a of 2.635 and D of 1.23. Compared with S a and D under the initial oil lm thickness of 4.1 µm, S a decreases by 9.1%, and D increases by 12.8%.…”

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confidence: 89%

Study on the effect of oil supply on the friction state of the micro-texture surface of sliding guide

Xia

et al. 2022

Preprint

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To investigate the law and mechanism of the effect of oil supply (initial oil film thickness) on the friction state of the micro-texture surface of the sliding guide. The friction and wear experiment of pin-slider surface contact is carried out to study the influence law of initial oil film thickness on friction coefficient, contact surface temperature, and lubrication state at different velocities. This experiment reveals the wear mechanism of the micro-texture surface under different initial oil film thickness, and establishes the lubrication state control model of the micro-texture surface. The results show that the velocity and initial oil film thickness have a more significant effect on the friction properties of the micro-texture surface. When the velocity is less than 0.06 m/s, the contact surface has been in the semi-dry friction state with the initial oil film thickness increases, the COF decreases by up to 13.32%, and the micro-textured surface produces abrasive wear, adhesive wear, and fatigue wear. When the velocity is more significant than 0.06 m/s, as the initial oil film thickness increases, the contact surface transits from the semi-dry friction state to the boundary lubrication state, and the COF decreases by up to 44.96%. When the velocity increases to 0.18 m/s and the initial oil film thickness is more significant than 19.8 µm, the micro-texture has a hydrodynamic pressure effect and the contact surface in the mixed lubrication state. The wear surface of the micro-texture has only slight abrasive wear, and the COF decreases by 64.07% at the highest. The study lays the theoretical foundation for the control of the lubrication state of the sliding guide surface to improve the sliding guide motion accuracy and service life.

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confidence: 89%

Study on the effect of oil supply on the friction state of the micro-texture surface of sliding guide

Xia

et al. 2022

Preprint

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“…But later application showed that micro bulges’ wear resistance was poor. Deng Jianxin and his colleagues fabricated micro grooves (Yue et al , 2019) and hexagonal textures (Zhang et al , 2020) on guideway surface in a simplified guideway apparatus. In Yue’s study, they found textures enhance resistance of stick-slip phenomenon by improving oil film retainability.…”

Section: Introductionmentioning

confidence: 99%

Effect of laser-textured micro dimples on inhibition of stick-slip phenomenon of sliding guideway

Yang

2022

ILT

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Purpose This study aims to investigate the efficacy of micro dimple in inhibiting stick-slip phenomenon on the sliding guideway. Design/methodology/approach In this study, micro-dimples were fabricated by laser on surfaces of steel disk and guideway. The disks and guideways were respectively performed pin-on-disk tribological tests and working condition experiments to study differences in lubrication condition and friction stability between textured and untextured surfaces. Findings Micro-dimples help reduce critical sliding speed that allows contact surfaces to enter in hydrodynamic lubrication regime. This increases hydrodynamic lubrication range and narrows speed range where stick-slip phenomenon can occur, enhancing sliding guideway’s adaptability for broader working conditions. Furthermore, friction stability on the textured surface improved, lowering the occurrence possibility of stick-slip phenomenon. Finally, difference between static and kinetic frictions on the textured surface is lower relative to the untextured surface, which decreases the critical velocity when the stick-slip phenomenon occurs. Originality/value The results indicate that laser-textured micro-dimples are significantly conducive to inhibit stick-slip phenomenon, thus providing smoother movement for the guideway and eventually increasing precision of the machine.

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“…The friction force of hard steel guideway in Okuma was studied by ANFIS (Adaptive Neuro-Fuzzy Inference System) modeling [ 4 ]. The friction of AISI (American Iron and Steel Institute) 1045 guideway between textured surfaces was investigated by reciprocating sliding tests [ 5 , 6 ]. THK (Toughness, High Quality, Know-how) guideway [ 7 ] is mainly Austenitic stainless steel and Martensitic stainless steel.…”

Section: Introductionmentioning

confidence: 99%

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

2021

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Currently, meter-long guideways rarely achieve an accuracy of dozens of nanometers due to processing difficulties such as the material and the edge effect. In this paper, we focus on this problem and propose a set of optimization processing methods to cope with it. In the grinding stage, a grinding tool is designed to improve the reciprocating processing and address the problem of warping; in the polishing stage, three different processes are compared, and the combination of magnetorheological finishing technology and the polyurethane disc technology process is purposed to reduce the polishing cycle and improve the surface figure accuracy. Moreover, through the combined process of magnetorheological finishing and smoothing, the edge effect and medium- and high-frequency error are essentially suppressed. The meter-long guideway is achieved with an accuracy of dozens of nanometers. Although the sizes of surface A/C and B/D are 1000 mm × 240 mm and 1000 mm × 160 mm, the surface figures are 20.33 nm, 22.78 nm, 39.23 nm and 26.58 nm RMS (Root Mean Square), respectively. The nanometer accuracy guideway is critical to an ultra-precision machine tool. Finally, the X-axis straightness of the profile measurement system formed by the guideway reaches 200 nm/600 mm.

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Effect of surface texturing on tribological performance of sliding guideway under boundary lubrication

Cited by 40 publications

References 28 publications

Study on the effect of oil supply on the friction state of the micro-texture surface of sliding guide

Study on the effect of oil supply on the friction state of the micro-texture surface of sliding guide

Effect of laser-textured micro dimples on inhibition of stick-slip phenomenon of sliding guideway

Highly Accurate Digital Processing of Large Stroke Guideway with an Optical Material-Corning Code 7972

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