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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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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.methodology to assist small- and medium-sized manufacturing companies of Pakistan in selecting a CAD/CAMTo 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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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/CAMIt consists of three subsystems： Feature Recognition Subsystem, CAPP Subsystem and Automatical CAM SubsystemIn Automatical CAM Subsystem, NC sequences for machining the part are created automatically according

Keywords： CAD     CAPP     CAM     feature recognition    

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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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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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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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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

Keywords： intersection     superposi     animation     fundamental     CAD/CAM    

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The analysis of the motions of the double eccentric cams used in a process intensification equipment

Zhu Ruilin,Zhu Guolin

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 90-96

Abstract:

Actually, when an eccentric cam rotates around a fixed axis, it is thegeometric center of eccentric cam that moves in simple harmonic motion (sine/cosine motion), under certainconditions, the components (such as piston) driven by the eccentric cam do not move in the same simple

Keywords： cam     piston     simple harmonic motion    

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Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 796-811 doi: 10.1007/s11709-023-0922-9

Abstract: based on SRM was developed to determine SF using the finite element method and considering the extended Cam–clay

Keywords： terraced slope     safety factor     finite element method     ABAQUS     extended Cam–clay    

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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: based engineering (KBE) into the field of CNC programming within the integrated environment of CAD/CAPP/CAMThis 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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Title Author Date Type Operation

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

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

Research and Development of CAD/CAPP/CAM Integrated System

Wei Erwei,Liang Muyang,Yang Ping

Journal Article

Principle and curve of planetary indexing cam mechanisms

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

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

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

CHANG Qiuying, YANG Peiran, WANG Jing, CHEN Quanshi

Journal Article

An intersection algorithm based on transformation

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

Journal Article

The analysis of the motions of the double eccentric cams used in a process intensification equipment

Zhu Ruilin,Zhu Guolin

Journal Article

Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

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