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Article

Linkage and Cam Design with MechDev Based on Non-Uniform Rational B-Splines †

by
Mario Müller
*,
Mathias Hüsing
,
Agnes Beckermann
and
Burkhard Corves
Institute of Mechanism Theory, Machine Dynamics and Robotics, RWTH Aachen University, 52074 Aachen, Germany
*
Author to whom correspondence should be addressed.
†
This paper is an extended version of our paper published in: Müller, M.; Hüsing, M.; Beckermann, A.; Corves, B. Linkage and Cam Design with Mechanism Developer (MechDev), In Proceedings of the 25th Jc-IFToMM Symposium, Kanagawa, Japan, 25–26 October 2019.
Machines 2020, 8(1), 5; https://doi.org/10.3390/machines8010005
Submission received: 13 December 2019 / Revised: 15 January 2020 / Accepted: 17 January 2020 / Published: 21 January 2020
(This article belongs to the Special Issue Selected Papers from Advances of Japanese Machine Design)
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Abstract

Several software products exist in order to support engineers during the mechanism design process. The software “Mechanism Developer” (abbr. MechDev) is one of these products. MechDev provides many functionalities concerning the kinematic and kinetostatic analysis of mechanisms based on revolute, prismatic as well as cam joints. This paper will introduce the software MechDev and will outline these functionalities. Furthermore, it will name the advantages of MechDev compared to other software products. In order to give an impression of the functionality of the software, this paper also includes a special use case. This use case describes a cam mechanism with a prismatic roller-follower. In order to optimize the transmission angle of the cam mechanism, the cam is actuated by a servo drive. To mathematically model the angular input of the servo drive, Non-Uniform Rational B-Splines (NURBS) are described and applied. Thus, a nearly arbitrary input function can be described by few parameters.
Keywords: mechanism design software; cam mechanism; transmission angle; non-uniform rational b-spline; servo drive mechanism design software; cam mechanism; transmission angle; non-uniform rational b-spline; servo drive

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MDPI and ACS Style

Müller, M.; Hüsing, M.; Beckermann, A.; Corves, B. Linkage and Cam Design with MechDev Based on Non-Uniform Rational B-Splines. Machines 2020, 8, 5. https://doi.org/10.3390/machines8010005

AMA Style

Müller M, Hüsing M, Beckermann A, Corves B. Linkage and Cam Design with MechDev Based on Non-Uniform Rational B-Splines. Machines. 2020; 8(1):5. https://doi.org/10.3390/machines8010005

Chicago/Turabian Style

Müller, Mario, Mathias Hüsing, Agnes Beckermann, and Burkhard Corves. 2020. "Linkage and Cam Design with MechDev Based on Non-Uniform Rational B-Splines" Machines 8, no. 1: 5. https://doi.org/10.3390/machines8010005

APA Style

Müller, M., Hüsing, M., Beckermann, A., & Corves, B. (2020). Linkage and Cam Design with MechDev Based on Non-Uniform Rational B-Splines. Machines, 8(1), 5. https://doi.org/10.3390/machines8010005

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