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Review of small aspheric glass lens molding technologies

Shaohui YIN,Hongpeng JIA,Guanhua ZHANG,Fengjun CHEN,Kejun ZHU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 66-76 doi: 10.1007/s11465-017-0417-2

Abstract: As an advanced manufacturing technology, the glass lens molding process has been recognized as a low-costand high-efficiency manufacturing technology for machining small-diameter aspheric lens for industrialglass lens are greatly affected by various key technologies for glass lens molding, including glass and mold-diematerial forming, mold-die machining, and lens molding.

Keywords： aspheric glass lens     mold-die manufacturing     lens molding     molding process simulation    

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Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 53-65 doi: 10.1007/s11465-017-0437-y

Abstract:

Premature melt solidification is the solidification of a melt during mold filling.heterogeneous nucleation in the undercooled melt resulting from the first contact of the melt with the cold moldexperimental results is achieved by considering the effect of premature melt solidification during moldFinally, the influences of pouring parameters, namely, pouring temperature, initial mold temperature,

Keywords： premature solidification     mold filling     as-cast structure     modeling    

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Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 283-287 doi: 10.1007/s11465-007-0049-z

Abstract: focused on the determination of the interfacial heat transfer coefficient (IHTC) between metal and dieduring the high pressure die casting (HPDC) process.Casting thickness played an important role in affecting the IHTC between the metal and die not only intendencies of the metal solid fraction were found between castings with different thicknesses and the die

Keywords： so-called     calculation     inverse     interfacial     aluminum    

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An energy consumption prediction approach of die casting machines driven by product parameters

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 868-886 doi: 10.1007/s11465-021-0656-0

Abstract: Die casting machines, which are the core equipment of the machinery manufacturing industry, consume greatThe energy consumption prediction of die casting machines can support energy consumption quota, processdesign, and energy efficiency evaluation; thus, it is of great significance for Industry 4.0 and green manufacturingNevertheless, due to the uncertainty and complexity of the energy consumption in die casting machinesproduct, die, equipment, and process parameters, is proposed.

Keywords： die casting machine     energy consumption prediction     product parameters    

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Ultrasonic measurement of tie-bar stress for die-casting machine

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0663-1

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Establishment of the Comprehensive Evaluation System of Cold Stamping Die Quality

LU Xiao-chun, GUO Sheng, RUAN Feng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 80-84 doi: 10.1007/s11465-005-0021-8

Abstract:

A comprehensive evaluation system of die quality, a multiplayer hierarchical amendment index systemaccording to the characteristics of cold stamping die production, an evaluation standard referring toThe applications show that the system can be used to evaluate the die quality objectively, fairly, and

Keywords： scientific evaluation     stamping     multiplayer hierarchical     technique     evaluation standard    

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Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 48-52 doi: 10.1007/s11465-018-0493-y

Abstract: The first, second, and third parts were produced by low-pressure die casting (Al-12Si-0.8Cu-0.5Fe-0.9Mg-0.7Ni-0.2Zn alloy), die casting (A356, Al-7Si-0.3Mg), and semi-solid casting (A356, Al-7Si-0.3Mg), respectivelyUnlike die casting (second part), low-pressure die casting (first part) significantly reduced the formation

Keywords： near-net shape casting     aluminum parts     casting defects     low pressure die casting     die casting     semi-solid    

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Multiobjective image recognition algorithm in the fully automatic die bonder

JIANG Kai, CHEN Hai-xia, YUAN Sen-miao

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 313-316 doi: 10.1007/s11465-006-0026-y

Abstract: It is a very important task to automatically fix the number of die in the image recognition system ofa fully automatic die bonder.

Keywords： clustering     different     recognition algorithm     Algorithm     multiobjective    

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An automated arc spray tooling system for rapid die-making of large-sized automobile body panels

HE Zhong-yun, LU Bing-heng, WANG Yi-qing, HONG Jun, TANG Yi-ping

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 209-214 doi: 10.1007/s11465-006-0012-4

Abstract: A creative robot wrist consisting of link mechanisms and a novel robot motion control method based on the cross-sectional vector contours of an STL-formatted model was proposed. By using the wrist and the control method, an industrial robot with five degrees of freedom for rapid tooling using metal arc spraying and electric brush plating techniques was developed. The wrist of the robot including a specially designed link mechanism can maintain the position of the spraying point on the surface of the master pattern whatever the orientation of the gun. Therefore, the kinematic nonlinear coupling between the position mechanism and orientation mechanism in a traditional robot can be avoided. The only input of the control system is the STL-formatted 3D CAD model of the pattern. Without the need of any manual programming, the metal arc spraying and brush plating (if necessary) processes can be performed automatically and efficiently after receiving the 3D CAD data of the pattern. Using this robot system in new car development and trial production, the cost and lead-time can be reduced substantially as compared with the conventional tool making method.

Keywords： industrial     position mechanism     orientation     surface     cross-sectional    

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Precision forging technology for aluminum alloy

Lei DENG, Xinyun WANG, Junsong JIN, Juchen XIA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 25-36 doi: 10.1007/s11465-018-0477-y

Abstract:

Aluminum alloy is a preferred metal material for lightweight part manufacturing in aerospace, automobileSeveral advanced precision forging technologies have been developed, including closed die forging, isothermaldie forging, local loading forging, metal flow forging with relief cavity, auxiliary force or vibrationThe development of these technologies is beneficial to promote the application of aluminum alloys in manufacturing

Keywords： precision forging     aluminum alloy     closed die forging     flow control forging     hybrid-forming technology    

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Bulk Glassy Alloys: Historical Development and Current Research Review

Akihisa Inoue

Engineering 2015, Volume 1, Issue 2,   Pages 185-191 doi: 10.15302/J-ENG-2015038

Abstract: focusing on the trigger point for the synthesis of the first bulk glassy alloys by the conventional mold

Keywords： bulk glassy alloys     mold casting     metallic materials     structural relaxation    

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Atomic and close-to-atomic scale manufacturing—A trend in manufacturing development

Fengzhou FANG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 325-327 doi: 10.1007/s11465-016-0402-1

Abstract:

Manufacturing is the foundation of a nation’s economy.To accelerate and upgrade China’s manufacturing sector from “precision manufacturing” to “high-performance and high-quality manufacturing”, a new breakthrough should be foundUnlike conventional manufacturing, the fundamental theory of “Manufacturing 3.0” is beyond

Keywords： atomic manufacturing     Manufacturing 3.0     Manufacturing 2025     Industry 4.0    

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Improving buckling critical stress of sheet with the elasti cpressure on the surfaces of sheet and it ’ s application

Song Aiping,Wang Longtai,Li Jizhong,Wang Shufeng

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 53-59

Abstract: Based on the result, a novel stamping die was developed.The die can be reconfigured quickly and can suppress the wrinkling of sheet.

Keywords： wrinkling     critical stress     die     stamping process    

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Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 121-136 doi: 10.1007/s11465-018-0483-0

Abstract:

Reconfigurable manufacturing systems (RMSs), which possess the advantages of both dedicated seriallines and flexible manufacturing systems, were introduced in the mid-1990s to address the challengesThe principal goal of an RMS is to enhance the responsiveness of manufacturing systems to unforeseenRMSs are cost-effective because they boost productivity, and increase the lifetime of the manufacturingFinally, we propose future research directions, and deliberate on how recent intelligent manufacturing

Keywords： reconfigurable manufacturing systems     responsiveness     intelligent manufacturing    

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Application of blockchain in the field of intelligent manufacturing: Theoretical basis, realistic plights

Qiang ZHANG, Baoyu LIAO, Shanlin YANG

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 578-591 doi: 10.1007/s42524-020-0137-x

Abstract: Blockchain has a broad application prospect in the field of intelligent manufacturing.This study aims to analyze the application of blockchain in the field of intelligent manufacturing.Then, we propose the theoretical basis for the application of blockchain in the field of intelligent manufacturingplights and provide some suggestions to promote the application of blockchain in the field of intelligent manufacturing

Keywords： blockchain technology     intelligent manufacturing     networked collaborative manufacturing     full life-cyclemanagement     manufacturing model innovation    

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Title Author Date Type Operation

Review of small aspheric glass lens molding technologies

Shaohui YIN,Hongpeng JIA,Guanhua ZHANG,Fengjun CHEN,Kejun ZHU

Journal Article

Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Journal Article

Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Journal Article

An energy consumption prediction approach of die casting machines driven by product parameters

Journal Article

Ultrasonic measurement of tie-bar stress for die-casting machine

Journal Article

Establishment of the Comprehensive Evaluation System of Cold Stamping Die Quality

LU Xiao-chun, GUO Sheng, RUAN Feng

Journal Article

Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Journal Article

Multiobjective image recognition algorithm in the fully automatic die bonder

JIANG Kai, CHEN Hai-xia, YUAN Sen-miao

Journal Article

An automated arc spray tooling system for rapid die-making of large-sized automobile body panels

HE Zhong-yun, LU Bing-heng, WANG Yi-qing, HONG Jun, TANG Yi-ping

Journal Article

Precision forging technology for aluminum alloy

Lei DENG, Xinyun WANG, Junsong JIN, Juchen XIA

Journal Article

Bulk Glassy Alloys: Historical Development and Current Research

Akihisa Inoue

Journal Article

Atomic and close-to-atomic scale manufacturing—A trend in manufacturing development

Fengzhou FANG

Journal Article

Improving buckling critical stress of sheet with the elasti cpressure on the surfaces of sheet and it ’ s application

Song Aiping,Wang Longtai,Li Jizhong,Wang Shufeng

Journal Article

Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Journal Article

Application of blockchain in the field of intelligent manufacturing: Theoretical basis, realistic plights

Qiang ZHANG, Baoyu LIAO, Shanlin YANG

Journal Article