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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3, Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: So the rail grinding technology has been invented with rotating grinding stones pressed on the rail withSuch rail grinding works are directed by experiences rather than scientifically guidance, lacking ofWith grinding control unit holding the grinding stones, the rail grinding process has the characteristicsFirst of all, it’s important to analyze the contact length between the grinding stone and the railto represent the rail grinding car.

Keywords： rail grinding contact length dynamic model Hamiltonian system grinding stone rail grinding car

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Subsurface damage pattern and formation mechanism of monocrystalline -GaO in grinding process

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0677-3

Abstract: damage pattern and formation mechanism of monocrystalline β-Ga₂O₃ in different grindingin the ultrafine grinding process.Subsurface damage models for grinding process were established on the basis of the grinding principleThe formation of nanocrystals and amorphous phase was related to the grinding conditions and materialIt is important to investigate the ultraprecision grinding process of monocrystalline β-Ga₂

Keywords： monocrystalline beta-phase gallium oxide grinding process subsurface damage nanocrystals amorphous

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Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 427-432 doi: 10.1007/s11465-012-0350-3

Abstract: article presents an application of numerical simulation technique for the generation and analysis of the grindingIt shows that the simulated grinding wheel topographies are similar with the measured and can be effectiveused to study the abrasive grains and grinding mechanism.

Keywords： grinding wheel 3D topographies measurement Gaussian mixture model simulation

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Investigation on drilling-grinding of CFRP

Yanming QUAN, Wenwang ZHONG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 60-63 doi: 10.1007/s11465-009-0008-y

Abstract: tools is not like the cutting effect of the conventional solid twist drilling but similar to that of grinding

Keywords： composites drilling-grinding cemented/plated diamond tool life machined quality

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Machinability of ultrasonic vibration-assisted micro-grinding in biological bone using nanolubricant

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0717-z

Abstract: Bone grinding is an essential and vital procedure in most surgical operations.area, and large grinding force leading to high grinding temperature are the technical bottlenecks ofmicro-grinding.The grinding force, friction coefficient, specific grinding energy, and grinding temperature under dryResults showed that the minimum normal grinding force and tangential grinding force of U-NJMC micro-grinding

Keywords： micro-grinding biological bone ultrasonic vibration (UV) nanoparticle jet mist cooling (NJMC) grindingforce grinding temperature

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characteristics and machining performance of a novel perforated ultrasonic vibration platform in the grinding

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0730-2

Abstract: Ultrasonic vibration-assisted grinding (UVAG) is an advanced hybrid process for the precision machiningThe employment of ultrasonic vibration reduces the grinding force by 36% at most, thereby decreasing

Keywords： ultrasonic vibration-assisted grinding perforated ultrasonic vibration platform vibration characteristics apparent elasticity method grinding force surface integrity

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Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0680-8

Abstract: Milling and grinding arise as the preferred choices because of their precision processing.an up-to-date progress of the damage formation mechanisms and suppression strategies in milling and grindingSecond, the grinding mechanisms, covering material removal mechanism, thermal mechanical behavior, surface

Keywords： milling grinding fiber-reinforced composites damage formation mechanism delamination material removal

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Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0733-z

Abstract: However, the formation mechanism of lubrication films generated by carbon group nanofluids on MQL grindingsimulations for the abrasive grain/workpiece interface were conducted under nanofluid MQL, MQL, and dry grindingTangential grinding force was used to evaluate the lubrication performance under the grinding conditionsThe abrasive grain/workpiece contact states under the different grinding conditions were compared toCompared with the findings under the MQL condition, the tangential grinding forces could be further reduced

Keywords： grinding minimum quantity lubrication carbon group nanofluid tribological mechanism

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Effects of taping on grinding quality of silicon wafers in backgrinding

Zhigang DONG, Qian ZHANG, Haijun LIU, Renke KANG, Shang GAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 559-569 doi: 10.1007/s11465-020-0624-0

Abstract: Grinding experiments using coarse and fine resin-bond diamond grinding wheels were performed on siliconof taping on peak-to-valley (PV), surface roughness, and subsurface damage of silicon wafers after grindingThe PV value of silicon wafers with taping decreased with increasing mesh size of the grinding wheelroughness and subsurface damage of silicon wafers with taping decreased with increasing mesh size of grinding

Keywords： taping silicon wafer backgrinding subsurface damage surface roughness

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Comparative assessment of force, temperature, and wheel wear in sustainable grinding aerospace alloy

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0719-x

Abstract: The substitution of biolubricant for mineral cutting fluids in aerospace material grinding is an inevitableHowever, serious tool wear and workpiece damage in difficult-to-machine material grinding challengesFurthermore, a different option is available for high-strength steel grinding, which needs low-viscosity

Keywords： grinding aerospace difficult-to-machine material biolubricant physicochemical property grindability

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Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3, Pages 325-331 doi: 10.1007/s11465-008-0071-9

Abstract: The accurate evaluation of grinding wheel surface topography, which is necessary for the investigationof the grinding principle, optimism, modeling, and simulation of a grinding process, significantly dependsanalysis of the grain size distribution characteristics and grain profile wavelength of the fine diamond grindingwheel used for ultra-precision grinding is presented.sampling interval and sampling area for instruments to measure the surface topography of a diamond grinding

Keywords： topography frequency disturbance filtering analysis wavelength

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Energy-saving operation approaches for urban rail transit systems

Ziyou GAO, Lixing YANG

Frontiers of Engineering Management 2019, Volume 6, Issue 2, Pages 139-151 doi: 10.1007/s42524-019-0030-7

Abstract: Developing public urban rail transit systems is an indispensable approach to overcome these problems.However, the high energy consumption of daily operations is an emerging issue due to increased rail transitThis work systematically introduces energy-saving approaches for urban rail transit systems in threedirections in this field are also proposed to meet increasing passenger demands and network-based urban rail

Keywords： urban rail transit energy saving speed profile optimization regenerative energy train timetable

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Study of Sustainable Urban Rail Transit Development Model in China

Wen-wu Yang

Frontiers of Engineering Management 2014, Volume 1, Issue 2, Pages 195-201 doi: 10.15302/J-FEM-2014026

Abstract: the grand urbanization rapidly progresses in China, Chinese government launches a magnificent urban railIt is very necessary to establish a viable public private partnership model for urban rail constructionreviewing Hong Kong Railway+ Property development model which is proved very successful in mass transit railpublic-private-partnership (PPP) study of Shenzhen metro line 6 as an example, the sustainable urban railIt concludes that the sustainable urban rail transit shall be able to energize the great potential of

Keywords： urban rail transit Railway+ Property(R+P) sustainability transit oriented development private public

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Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Frontiers of Engineering Management 2019, Volume 6, Issue 3, Pages 327-335 doi: 10.1007/s42524-019-0051-2

Abstract: The arrival of the high-speed rail (HSR) era has accelerated the pace of urban development, but its broad

Keywords： high-speed rail nodal zone interactive effects sustainable urbanization China

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Ultra-precision ductile grinding of BK7 using super abrasive diamond wheel

ZHAO Qingliang, Brinksmeier Ekkard, Riemer Oltmann, Rickens Kai

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3, Pages 350-355 doi: 10.1007/s11465-007-0061-3

Abstract: In this paper, a novel conditioning technique using copper bonded diamond grinding wheels of 91 yD graindeveloped to precisely and effectively condition a nickel-electroplated monolayer coarse-grained diamond grindingFinally, the grinding experiment on BK7 was conducted using the well-conditioned wheel with the correspondingresult shows that the newly developed conditioning technique is applicable and feasible to ductile grinding

Keywords： ELID peripheral electrolytic in-process nickel-electroplated monolayer measurement