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Thermal characteristic analysis and thermal design technology for high speed high precision machine tools

Gao Jianmin,Shi Xiaojun,Xu Aiming and Zhao Boxuan

Strategic Study of CAE 2013, Volume 15, Issue 1, Pages 28-33

Abstract:

Based on how to improve the inherent thermal performance of high speed high precision machine toolsIn order to provide reference for machine tools researchers and designers, the latest progress andtechnology on thermal design of machine tools were reviewed and research emphasis and directions were

Keywords： high speed high precision machine tool thermal characteristic analysis thermal structure optimization

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Machine learning for fault diagnosis of high-speed train traction systems: A review

Frontiers of Engineering Management doi: 10.1007/s42524-023-0256-2

Abstract: High-speed trains (HSTs) have the advantages of comfort, efficiency, and convenience and have graduallyIn recent years, machine learning has been widely used in various pattern recognition tasks and has demonstratedMachine learning has made considerably advancements in traction system fault diagnosis; however, a comprehensiveThis paper primarily aims to review the research and application of machine learning in the field ofThen, the research and application of machine learning in traction system fault diagnosis are comprehensively

Keywords： high-speed train traction systems machine learning fault diagnosis

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: High-speed dry milling has emerged as a typical green processing technology due to its high processingHowever, the lack of necessary cooling and lubrication in high-speed dry milling makes it difficult toprocessing technology can improve the machinability of such metallic materials and achieve efficient precisionIn this review, the characteristics and limitations of high-speed dry milling of difficult-to-machineBy analyzing the effects of changing the energy field and cutting parameters on tool wear, chip morphology

Keywords： difficult-to-machine metal material green machining high-speed dry milling laser energy field-assisted

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Cutting heat dissipation in high-speed machining of carbon steel based on the calorimetric method

QUAN Yanming, HE Zhenwei, DOU Yong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2, Pages 175-179 doi: 10.1007/s11465-008-0022-5

Abstract: The cutting heat dissipation in chips, workpiece, tool and surroundings during the high-speed machiningWater is used as the medium to absorb the cutting heat; a self-designed container suitable for the high-speedchips, and two other containers are adopted to absorb the cutting heat dissipated in the workpiece and toolThe temperature variations of the water, chips, workpiece, tool and surroundings during the closed high-speedthe main cutting force is obtained according to the measured cutting force and predetermined cutting speed

Keywords： cutting system medium temperature flux tool

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Ultra-Precision Machining Technology and Equipment for High-End Optical Elements

Jiang Zhuangde, Li Changsheng , Sun Lin, Duan Duanzhi, Kang Chengwei ,Chen Shanshan, Lin Qijing, Yang Shuming

Strategic Study of CAE 2023, Volume 25, Issue 1, Pages 131-141 doi: 10.15302/J-SSCAE-2023.07.003

Abstract:

High-end optical elements determine the performance of high-end equipment.Researching the ultra-precision machining technology and equipment for high-end optical elementsIn this study, the ultra-precision machining methods and equipment for optical elements, high-performancebasic components, and measurement methods and equipment used in ultra-precision optical machining Through extensive survey and discussions, a technology roadmap for ultra-precision manufacturing of high-end

Keywords： optical element precision manufacturing ultra-precision machine tool ultra-precision machining optical

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Research on the Development of Machine Tool Industry in China

Wang Lei, Lu Bingheng

Strategic Study of CAE 2020, Volume 22, Issue 2, Pages 29-37 doi: 10.15302/J-SSCAE-2020.02.005

Abstract: The machine tool referred to herein includes not only the machine tools in traditional definition, suchstudies the problems existing in China’s machine tool industry.Compared with world’s advanced level, China’s machine tool industry still has weaknessesin (1) basic research and key technologies for ultra-precision machine tools, (2) the machining accuracymanufacturing and hybrid manufacturing equipment, and (5) the level of intelligence of high-end machine

Keywords： machine tool industrial development key direction high-end manufacturing numerical control equipment

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Green Construction of National Speed Skating Oval

Frontiers of Engineering Management 2022, Volume 9, Issue 1, Pages 170-176 doi: 10.1007/s42524-021-0177-x

Keywords： large-span cable net structure CO₂ Transcritical Direct-cooling Ice Making System dynamic high-precisionconstruction measurement green construction National Speed Skating Oval

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Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4, Pages 463-482 doi: 10.15302/J-FEM-2017054

Abstract: This paper considers multiple perspectives to explore the concept of high-speed railway (HSR), rationallyThis paper analyzes the governance potential of major countries in the high-speed railway value chainand studies the feasible ways and development strategies to enhance the high-speed railway governanceSecond, the high-speed railway standard output has become the core competitiveness that embodies high-speedThird, the global high-speed railway market presents a hierarchical high-speed railway governance model

Keywords： high-speed railway value communication value high-speed railway value governance governance path upgrade

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Requirement Analysis of High-End Manufacturing Equipment with a Focus on the High-End Equipment Manufacturing

Zhang Jun and Lu Bingheng

Strategic Study of CAE 2017, Volume 19, Issue 3, Pages 136-141 doi: 10.15302/J-SSCAE-2017.03.019

Abstract:

The continual development of high-end manufacturing equipment is essentialfor the development of the high-end equipment manufacturing industry.equipment during the 13th Five-Year Plan, these authors analyze the new demands and future priorities of high-endequipment enterprises in China, this paper puts forward suggestions to promote the sound development of the high-end

Keywords： high-end equipment manufacturing industry high-end manufacturing equipment machine tool basic manufacturing

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CR-Fuxing high-speed EMU series

Frontiers of Engineering Management Pages 742-748 doi: 10.1007/s42524-023-0281-1

Abstract: CR-Fuxing high-speed EMU series

Keywords： CR-Fuxing series high-speed EMU innovation key system digitalized collaborative design engineering

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Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 3, Pages 232-240 doi: 10.15302/J-FEM-2014043

Abstract: paper explores the principal motivations and successful experiences of the rapid development of China’s highspeed railway.Under the overall coordination of the government, a high speed railway technology system has been formedThe target control system and support-guarantee system were established for the high speed railway projectspeed railway.

Keywords： high speed railway engineering management practice innovation

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High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4, Pages 393-405 doi: 10.15302/J-FASE-2018226

Abstract:

The central concept of precision agriculture is to manage within-field soil and crop growth variabilitySince the first high resolution satellite sensor IKONOS was launched in 1999, numerous commercial highcoverage, make high resolution satellite sensors attractive for many applications, including precisionhave been used or have potential for precision agriculture.of remote sensors for precision agriculture are discussed.

Keywords： high resolution satellite sensor multispectral imagery precision agriculture spatial resolution temporal

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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: machining field and the focus of the majority of cutting technology research has been directed toward high-speedThe theoretical and technical research work and results on high efficiency machining and high efficiencyThey include mainly the fundamental theory of high-speed machining, new system for development of ceramiccutting tool materials as well as the theories and techniques of electrical-discharge grinding machiningThe results used in practice show that the developed high efficiency machining technologies may greatly

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

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Development of an analytical model to estimate the churning losses in high-speed axial piston pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-021-0671-1

Abstract: The axial piston pumps in aerospace applications are often characterized by high-speed rotation to achieveduring operation, leading to considerable churning losses (more than 10% of total power losses) at highThe churning losses deserve much attention at the design stage of high-speed axial piston pumps, butThe presented analytical model provides practical guidelines for reducing the churning losses in high-speed

Keywords： axial piston pump rotating parts high rotational speed churning losses drag torque

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Comprehensive measurement and evaluation system of high-speed motorized spindle

Dashuai ZHOU, Liangsheng WU, Yichuan XIAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 263-269 doi: 10.1007/s11465-011-0217-z

Abstract:

Reducing the manufacturing time is the trend of high-precision manufacturing, and the precision ofThe high-speed motorized spindle is the most critical part and becoming more widely used in the machinetool at present, and its precision may affect the overall performance of high-speed cutting.Most of the studies on high-speed cutting are focused on the cutting force, the vibration of the spindletool before they are manufactured.