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Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Frontiers of Structural and Civil Engineering   Pages 1370-1386 doi: 10.1007/s11709-023-0947-0

Abstract: , such as abnormal wear on cutters and overload damage to bearings, thus affecting the construction efficiencyIn this study, the effects of water pressure, nozzle diameter, and nozzle speed on cutting are investigatedvia laboratory experiments of cutting hard rock using high-pressure waterjets.for industrial applications, as they can accommodate the advancing speed of the TBM and achieve high-efficiencyrock breaking.

Keywords： tunnel boring machine     hard-rock cutting     free face     disc cutter     rock-cutting efficiency    

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Energy efficient cutting parameter optimization

Xingzheng CHEN, Congbo LI, Ying TANG, Li LI, Hongcheng LI

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 221-248 doi: 10.1007/s11465-020-0627-x

Abstract: Mechanical manufacturing industry consumes substantial energy with low energy efficiency.industries to implement energy efficient technologies for reducing energy consumption and improving energy efficiencyand improve energy efficiency of the machining process.This paper conducts a comprehensive literature review of current studies on energy efficient cuttingtool and cutting fluid.

Keywords： energy efficiency     cutting parameter     optimization     machining process    

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A Closer Look at the Design of Cutterheads for Hard Rock Tunnel-Boring Machines

Jamal Rostami, Soo-Ho Chang

Engineering 2017, Volume 3, Issue 6,   Pages 892-904 doi: 10.1016/j.eng.2017.12.009

Abstract: The design of the cutterhead impacts the efficiency of cutting, the balance of the head, the life ofAlthough there has been some discussion in commonly available publications regarding disk cutters, cuttingproprietary algorithms by the manufacturers, and despite recent attention on the subject, the design of rock

Keywords： TBM cutterhead design     Cutterhead layout     Disk cutters     Cutting pattern     TBM efficiency    

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Phosphorus use efficiency and fertilizers: future opportunities for improvements

Martin BLACKWELL, Tegan DARCH, Richard HASLAM

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 332-340 doi: 10.15302/J-FASE-2019274

Abstract: The rock phosphate deposits on which the world depends are not only finite, but some are contaminatedto phosphorus management is required not only to extend the lifespan of the remaining non-renewable rockSolutions include improving the efficiency of fertilizer applications to agricultural land, alongsidedifferent sources of phosphorus fertilizers are inevitably required given the finite nature of the rockopportunities exist, and it is now important that a concerted effort to make advances in phosphorus use efficiency

Keywords： organic phosphorus     phosphorus fertilizer     phosphorus use efficiency     rock phosphate    

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Analysis and comparison of laser cutting performance of solar float glass with different scanning modes

Wenyuan LI, Yu HUANG, Youmin RONG, Long CHEN, Guojun ZHANG, Zhangrui GAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 97-110 doi: 10.1007/s11465-020-0600-8

Abstract: Cutting quality and efficiency have always been important indicators of glass laser cutting.The mechanism of the glass laser cutting under these two different scanning modes has been described.Several experiments are conducted to explore the effect of machining parameters on cutting efficiencyMoreover, the best cutting efficiency scanning mode is 14.2% faster than that in the spiral scanningefficiency compared with the best spiral processing parameters.

Keywords： laser cutting     solar float glass     scanning mode     surface quality     cutting efficiency    

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Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting

He Guangyi,Jing Shan,Wang Zhaoyou

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 73-79

Abstract:

The blasting conditions, topography and geology of rock blasting for expanding cutting at the existingline of electrified railway are more complicated and difficult than that of rock blasting or foundationcontact line and short space to the existing line, it is much more difficult than blasting for expanding cuttingThe paper introduces the practicable technology adopted in the light of the features of expanding the cutting

Keywords： eclectrified overhead contact line     existing line     expanding of cutting     controlled rock blasting     non-electric    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: Hence, the cutting energy efficiency model considering the coupling relationship is established basedThe forced cooling mode of TC results in a 7% reduction in cutting energy efficiency.This paper reveals the coupling effect of MR and TC on energy efficiency and machining accuracy.

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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Study on High Efficiency Machining Technology and Its Applications

Ai Xing

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 40-51

Abstract:

The cutting technique is the most widely used technology in machining field and the focus of the majorityof cutting technology research has been directed toward high-speed machining.The theoretical and technical research work and results on high efficiency machining and high efficiencyinclude mainly the fundamental theory of high-speed machining, new system for development of ceramic cuttingpromote the machining efficiency, improve the surface quality and reduce the machining cost.

Keywords： high efficiency machining     high-speed machining     ceramic cutting tool material     electrical-discharge grinding    

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Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation foratomic-scale mechanical cutting.Material anisotropy is among the key decisive factors that could not be neglected in cutting at suchIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerTo obtain an atomic, defect-free processed surface, the cutting needs to be conducted on the close-packed

Keywords： ACSM     single atomic layer removal mechanism     crystallographic orientation effect     mechanical cutting     Manufacturing    

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Modeling of the minimum cutting thickness in micro cutting with consideration of the friction aroundthe cutting zone

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 81-88 doi: 10.1007/s11465-019-0561-y

Abstract: Friction modeling between the tool and the workpiece plays an important role in predicting the minimum cuttingthickness during TC4 micro machining and finite element method (FEM) cutting simulation., it is applied to calculate the stagnation point location on the edge face and predict the minimum cuttingMicro cutting experiments are conducted to validate the accuracy of the friction and the minimum cuttingthickness in micro cutting.

Keywords： tool friction     minimum cutting thickness     finite element method     tool edge radius     micro cutting    

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A review on ductile mode cutting of brittle materials

Elijah Kwabena ANTWI, Kui LIU, Hao WANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 251-263 doi: 10.1007/s11465-018-0504-z

Abstract: Ductile mode cutting is a very promising way to achieve high quality and crack-free surfaces of brittleThus the study of ductile mode cutting of brittle materials has been attracting more and more effortsThis paper provides an overview of ductile mode cutting of brittle materials including ductile natureand plasticity of brittle materials, cutting mechanism, cutting characteristics, molecular dynamic simulationIt is believed that ductile mode cutting of brittle materials could be achieved when both crack-free

Keywords： ductile mode cutting     brittle materials     critical undeformed chip thickness     brittle-ductile transition    

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Cutting performance of surgical electrodes by constructing bionic microstriped structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0728-9

Abstract: electrodes rely on thermal effect of high-frequency current and are a widely used medical tool for cuttingelectrode surface and thermal injury to adjacent tissue are serious problems in surgery that can affect cuttingwettabilities on tissue adhesion and thermal injury were investigated using horizontal and vertical cuttingThis study demonstrates a promising approach for improving the cutting performance of surgical electrodes

Keywords： surgical electrodes     tissue adhesion     thermal injury     bionic structures     cutting performance     medical    

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Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 273-287 doi: 10.1007/s11709-018-0459-5

Abstract: overview of the most popular state-of-the-art computational methods available for modelling fracture in rockmethods which can be found elsewhere but particularly address their potential in modelling fracture in rockFurthermore, we also address ‘general’ difficulties that may arise for simulating fracture in rock andfractured rock.

Keywords： numerical modelling     method development     rock mechanics     fractured rock     rock fracturing    

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Edge preparation methods for cutting tools: a review

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0766-y

Abstract: Edge preparation can remove cutting edge defects, such as burrs, chippings, and grinding marks, generatedin the grinding process and improve the cutting performance and service life of tools.edge with cutting performance, are briefly introduced.Then, edge preparation methods for cutting tools, in which materials at the cutting edge area are removedThese methods are compared from the aspects of edge consistency, surface quality, efficiency, processing

Keywords： edge preparation method     preparation principle     cutting edge geometry     edge characterization     tool performance    

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Postprocessor development for ultrasonic cutting of honeycomb core curved surface with a straight blade

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0729-8

Abstract: When ultrasonically cutting honeycomb core curved parts, the tool face of the straight blade must bealgorithm and spindle rotation algorithm were integrated and compiled, and the straight blade ultrasonic cuttingTherefore, the postprocessor developed in this paper can be well adapted to the honeycomb core ultrasonic cutting

Keywords： honeycomb core     straight blade     ultrasonic cutting     tool pose     postprocessor    

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Title Author Date Type Operation

Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Journal Article

Energy efficient cutting parameter optimization

Xingzheng CHEN, Congbo LI, Ying TANG, Li LI, Hongcheng LI

Journal Article

A Closer Look at the Design of Cutterheads for Hard Rock Tunnel-Boring Machines

Jamal Rostami, Soo-Ho Chang

Journal Article

Phosphorus use efficiency and fertilizers: future opportunities for improvements

Martin BLACKWELL, Tegan DARCH, Richard HASLAM

Journal Article

Analysis and comparison of laser cutting performance of solar float glass with different scanning modes

Wenyuan LI, Yu HUANG, Youmin RONG, Long CHEN, Guojun ZHANG, Zhangrui GAO

Journal Article

Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting

He Guangyi,Jing Shan,Wang Zhaoyou

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article

Study on High Efficiency Machining Technology and Its Applications

Ai Xing

Journal Article

Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Journal Article

Modeling of the minimum cutting thickness in micro cutting with consideration of the friction aroundthe cutting zone

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Journal Article

A review on ductile mode cutting of brittle materials

Elijah Kwabena ANTWI, Kui LIU, Hao WANG

Journal Article

Cutting performance of surgical electrodes by constructing bionic microstriped structures

Journal Article

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Journal Article

Edge preparation methods for cutting tools: a review

Journal Article

Postprocessor development for ultrasonic cutting of honeycomb core curved surface with a straight blade

Journal Article