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Research and Development of CAD/CAPP/CAM Integrated System

Wei Erwei,Liang Muyang,Yang Ping

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 59-63

Abstract:

In this paper a practical CAD/CAPP/CAM integrated system is introduced.developed by mechanical designers, process planners and NC progragmmers on the basis of a commercial CAD/CAM software named Pro/ENGINEER.It consists of three subsystems： Feature Recognition Subsystem, CAPP Subsystem and Automatical CAM Subsystemto the CAPP result.

Keywords： CAD     CAPP     CAM     feature recognition    

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CNC programming system for complex components based on KBE within integrated environment of CAD/CAPP/CAM

Shengwen ZHANG, Guicheng WANG, Liang ZHANG, Xifeng FANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 97-102 doi: 10.1007/s11465-009-0007-z

Abstract: /CAPP/CAM.This paper constructs the architecture of CNC programming based on KBE within CAD/CAPP/CAM and exploresThe integration of the CAD/CAM system and the CAPP system of enterprises has been achieved by takingthe powerful CAD/CAM system of UG NX as a platform.The prototype system of CNC programming for complex components based on KBE within CAD/CAPP/CAM has been

Keywords： NC programming     CAD/CAPP/CAM     KBE    

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Selecting and prioritizing key factors for CAD/CAM software in small- and medium-sized enterprises using

Ghulam ZAKRIA, Zailin GUAN, Yasser RIAZ, Mirza JAHANZAIB, Anwar KHAN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 157-164 doi: 10.1007/s11465-010-0017-x

Abstract: In today’s fast-paced world, computer-aided design/computer-aided manufacturing (CAD/CAM) systemsPrior to investment in a CAD/CAM system, it is essential for investor to know how to maximize their benefitsfrom buying a new or by changing an existing CAD/CAM system./CAM system.To accomplish this purpose, data have been collected about current CAD/CAM systems.

Keywords： computer-aided design (CAD)     computer-aided manufacturing(CAM)     SMEs     analytical hierarchal approach     Expert    

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An intersection algorithm based on transformation

CHEN Xiao-xia, YONG Jun-hai, CHEN Yu-jian

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 364-369 doi: 10.1007/s11465-006-0024-0

Abstract: intersection of curves and surfaces is a fundamental problem in many areas such as computer graphics, CAD/CAM, computer animation, and robotics.

Keywords： intersection     superposi     animation     fundamental     CAD/CAM    

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Practice and Consideration on CAPP

Li Peigen,Zhang Guojun

Strategic Study of CAE 2005, Volume 7, Issue 3,   Pages 13-16

Abstract:

Computer aided process planning (CAPP) has been regarded as not only an important research area fornecessity in customization to different manufacturing sectors and various manufacturing processes, CAPPThis paper introduces some advancements in the R&D of CAPP, including the application of frameworktechnology in the development of an open architecture CAPP platform, system integration based on BOMsetting, CAPP based on 3D models and CAPP for shop-floor applications are important directins for further

Keywords： manufacturing     informatization     CAPP    

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Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 451-467 doi: 10.1007/s11465-021-0634-6

Abstract: As an example, this paper presents a spatial RAPM involving linkages and cam mechanisms.

Keywords： redundant actuation     parallel manipulator     linkage–cam mechanism     Jacobian     optimal design    

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Nonlinear dynamic behaviour of a cam mechanism with oscillating roller follower in presence of profile

Walha LASSAAD, Tounsi MOHAMED, Driss YASSINE, Chaari FAKHER, Fakhfakh TAHER, Haddar MOHAMED

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 127-136 doi: 10.1007/s11465-013-0254-x

Abstract:

In this paper we investigate the nonlinear dynamic behaviour of a cam mechanism with oscillating rollerThe first one is located between cam and first roller while the second is between second roller and theThe influence of the cam profile error on the dynamic behaviour is also investigated.

Keywords： cam     nonlinear behaviour     oscillating roller follower     profile error    

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System Simulation for Large-scale Bridge Construction Schedule Based on 4D CAD

Zhang Zhengfeng,Fu Jinqiang,Wu Kangxin,Zhang Fayu

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 63-66

Abstract: Combined the object-oriented system simulation technology for complex engineering system with the CADdigital modeling technology, the system simulation of bridge construction based upon 4D CAD was presentedAnd the corresponding software of visualization simulating system, based on 4D CAD, for construction

Keywords： construction schedule     system simulation     4D CAD     cable-stayed bridge    

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Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 475-478 doi: 10.1007/s11465-006-0063-6

Abstract: A new type of planetary indexing cam mechanism called type !c is presented.Based on the principle of formation of conjugate tooth contour, the equations of the cam s pitch curveThe continuity and symmetry of the cam s pitch curve are also analyzed.overcome dead point and its phase angle is equal to (π - 2π/n); 3) The continuous condition of the cam

Keywords： continuity     planetary     average transmission     symmetry     intermittent    

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A Novel Attribute-Based Encryption Approach with Integrity Verification for CAD Assembly Models Article

Yueting Yang, Fazhi He, Soonhung Han, Yaqian Liang, Yuan Cheng

Engineering 2021, Volume 7, Issue 6,   Pages 787-797 doi: 10.1016/j.eng.2021.03.011

Abstract: This paper presents a novel attribute-based encryption (ABE) approach for computer-aided design (CAD)contained in an assembly ciphertext (ACT) file, are adapted for content keys decryption instead of CADABE framework has the ability to combine the deformation protection method with a content privacy of CADExperimental simulation on typical CAD assembly models demonstrates that the proposed approach is feasible

Keywords： Information security     Cloud-based design and manufacture     Co-design     CAD assembly models     Attribute-based    

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Optimal localization of complex surfaces in CAD-based inspection

XU Jinting, LIU Weijun, SUN Yuwen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 426-433 doi: 10.1007/s11465-008-0068-4

Abstract: Complex surface inspection requires the optimal localization of the measured surface related to the design surface so that the two surfaces can be compared in a common coordinate frame. This paper presents a new technique for solving the localization problem. The basic approach consists of two steps: 1) rough localization of the measured points to the design surface based on curvature features, which can produce a good initial estimate for the optimal localization; 2) fine localization based on the least-square principle so that the deviation between the measured surface and the design surface is minimized. To efficiently compute the closest points on the design surface of the measured points, a novel method is proposed. Since this approach does not involve an iterative process of solving non-linear equations for the closest points, it is more convenient and robust. The typical complex surface is used to test the developed algorithm. Analysis and comparison of experimental results demonstrate the validity and applicability of the algorithm.

Keywords： deviation     comparison     non-linear     localization     inspection    

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the improvement design of dynamic characteristics for the roller follower of a variable-speed plate cam

Hui Ching FAN, Hong Sen YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 5-15 doi: 10.1007/s11465-012-0310-y

Abstract:

Without modifying the cam contour, a cam mechanism with a variable input speed trajectory offers anFirstly, the speed trajectory of cam is derived by employing Bezier curve, and motion continuity conditionsThen the motion characteristics between the plate cam and its roller follower are derived.To analyze the residual vibration, a single degree of freedom dynamic model of the elastic cam-follower

Keywords： cam mechanism     variable input speed     kinematic design     dynamic design     optimal design    

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Study of Conceptual Design of Extension for Mechanical Products

Zhao Yanwei

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 67-71

Abstract: to resolve the bottleneck problem in theoretic studying and engineering realization of intelligent CAD

Keywords： conceptual design     mechanical product     intelligent CAD     extension    

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Influence of temperature on cam-tappet lubrication in an internal combustion engine

CHANG Qiuying, YANG Peiran, WANG Jing, CHEN Quanshi

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 489-492 doi: 10.1007/s11465-007-0085-8

Abstract: lubrication simulation and isothermal elastohydrodynamic (EHL) simulation were performed on the exhausting cam-tappetThese results show that the temperature should not be neglected in the study of the lubrication of cam-tappet

Keywords： coefficient     combustion     isothermal elastohydrodynamic     temperature     thickness    

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From Computer-Aided Design (CAD) Toward Human-Aided Design (HAD): An Isogeometric Topology Optimization

Yingjun Wang,Mi Xiao,Zhaohui Xia,Peigen Li,Liang Gao

Engineering 2023, Volume 22, Issue 3,   Pages 94-105 doi: 10.1016/j.eng.2022.07.013

Abstract: design mode of human-aided design (HAD) is proposed to replace conventional computer-aided design (CAD; thus, it has great potential as a revolutionary technology to change the current design mode from CAD

Keywords： Human-aided design     CAD/CAE integration     Isogeometric analysis     Structural optimization     Isogeometric topology    

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Title Author Date Type Operation

Research and Development of CAD/CAPP/CAM Integrated System

Wei Erwei,Liang Muyang,Yang Ping

Journal Article

CNC programming system for complex components based on KBE within integrated environment of CAD/CAPP/CAM

Shengwen ZHANG, Guicheng WANG, Liang ZHANG, Xifeng FANG

Journal Article

Selecting and prioritizing key factors for CAD/CAM software in small- and medium-sized enterprises using

Ghulam ZAKRIA, Zailin GUAN, Yasser RIAZ, Mirza JAHANZAIB, Anwar KHAN,

Journal Article

An intersection algorithm based on transformation

CHEN Xiao-xia, YONG Jun-hai, CHEN Yu-jian

Journal Article

Practice and Consideration on CAPP

Li Peigen,Zhang Guojun

Journal Article

Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Journal Article

Nonlinear dynamic behaviour of a cam mechanism with oscillating roller follower in presence of profile

Walha LASSAAD, Tounsi MOHAMED, Driss YASSINE, Chaari FAKHER, Fakhfakh TAHER, Haddar MOHAMED

Journal Article

System Simulation for Large-scale Bridge Construction Schedule Based on 4D CAD

Zhang Zhengfeng,Fu Jinqiang,Wu Kangxin,Zhang Fayu

Journal Article

Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Journal Article

A Novel Attribute-Based Encryption Approach with Integrity Verification for CAD Assembly Models

Yueting Yang, Fazhi He, Soonhung Han, Yaqian Liang, Yuan Cheng

Journal Article

Optimal localization of complex surfaces in CAD-based inspection

XU Jinting, LIU Weijun, SUN Yuwen

Journal Article

the improvement design of dynamic characteristics for the roller follower of a variable-speed plate cam

Hui Ching FAN, Hong Sen YAN

Journal Article

Study of Conceptual Design of Extension for Mechanical Products

Zhao Yanwei

Journal Article

Influence of temperature on cam-tappet lubrication in an internal combustion engine

CHANG Qiuying, YANG Peiran, WANG Jing, CHEN Quanshi

Journal Article

From Computer-Aided Design (CAD) Toward Human-Aided Design (HAD): An Isogeometric Topology Optimization

Yingjun Wang,Mi Xiao,Zhaohui Xia,Peigen Li,Liang Gao

Journal Article