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Machines 2018, 6(2), 16; https://doi.org/10.3390/machines6020016

Influence of Hub Parameters on Joining Forces and Torque Transmission Output of Plastically-Joined Shaft-Hub-Connections with a Knurled Contact Surface

1
Professorship Engineering Design, Institute of Design Engineering and Drive Technology, Technische Universität Chemnitz, 09126 Chemnitz, Germany
2
Professorship Virtual Production Engineering, Institute for Machine Tools and Production Processes, Technische Universität Chemnitz, 09126 Chemnitz, Germany
*
Author to whom correspondence should be addressed.
Received: 27 February 2018 / Revised: 3 April 2018 / Accepted: 4 April 2018 / Published: 9 April 2018
(This article belongs to the Special Issue Precision Machining)
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Abstract

A knurled interference fit is a machine part connection made by a plastic joining, which includes the advantages of commonly-used shaft-hub-connections. The combination of the friction and form fit, which are responsible for torque transmission, results in a higher power density than conventional connections. In this paper, parameter gaps are bridged with the aim of enhance the design calculation of the knurled interference fit. Experimental investigations on the shaft chamfer angle (100Cr6) and hub-diameter-ratio (AlSi1MgMn) were performed. The analytical approaches are developed for calculating the joining force and maximal torque capacity by accounting for experimentally investigated loss of load transmission at high hub-diameter-ratios and high shaft chamfer angles. The presented calculation approach is an accurate tool for the assessment of early machine designs of the knurled interference fit and helps to save from having to perform time-extensive tests. View Full-Text
Keywords: knurled interference fit; shaft-hub-connection; joining by plastic forming; torque capacity; joining force; drive train knurled interference fit; shaft-hub-connection; joining by plastic forming; torque capacity; joining force; drive train
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Suchý, L.; Leidich, E.; Gerstmann, T.; Awiszus, B. Influence of Hub Parameters on Joining Forces and Torque Transmission Output of Plastically-Joined Shaft-Hub-Connections with a Knurled Contact Surface. Machines 2018, 6, 16.

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