NDLI: Deflection analysis of spring connector

Content Provider	IEEE Xplore Digital Library
Author	Elmanfalouti, A. El Abdi, R. Buisson, M. Carvou, E.
Copyright Year	2005
Description	Author affiliation: Rennes Univ., Rennes, France (Elmanfalouti, A.; El Abdi, R.; Buisson, M.; Carvou, E.)
Abstract	The spring part of the connector has a mechanically crucial role i.e. it ensures the normal force which determines the operating state of the electrical contact resistance between the pin and the socket. For the connector manufacturers, this coupling leads to the force minimization investigation while keeping a sufficiently lower and stable electrical resistance. Unfortunately, the spring connector logged inside the receptacle makes difficult to access and control all the characteristic parameters of insertion. Practically, a simple experimental spring lamella was designed and a non intrusive technique (laser) was used to view and measure both the deflection and its associated force. In this paper, we elaborate a behaviour model for a spring considered as an elastic arc and we propose a relationship between the contact force centred in the middle of the spring and the maximal deflection. The numerical and analytical computations for deflection parameters lead a good agreement with previous experimental data. Finally, the model is a useful tool to appreciate the contribution of geometrical and material parameters of the connector related to the insertion force.
Sponsorship	Components, Packaging and Manufacturing Technol. Soc. of the Instit. of Electr. and Electron. Eng. Inc
Starting Page	212
Ending Page	216
File Size	388357
Page Count	5
File Format	PDF
ISBN	0780391136
DOI	10.1109/HOLM.2005.1518246
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Springs Connectors Electric resistance Force measurement Contact resistance Sockets Manufacturing Optical design Laser modes Electrical resistance measurement
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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