Experimental investigation into abrasive concurrent trimming for manganin shunt resistor

Misti, Siti Nabilah, Birkett, Martin, Bell, David and Penlington, Roger (2016) Experimental investigation into abrasive concurrent trimming for manganin shunt resistor. In: Proceedings of the 2nd International Conference on Advances in Mechanical Engineering Istanbul 2016. Yildiz Technical University, Istanbul, pp. 745-749. ISBN 9786056590719

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Official URL: http://www.icame2016conference.com/ProceedingsCD/I...

Abstract

This paper presents a novel electro-mechanical trimming process to improve the accuracy and performance of 100μΩ Manganin shunt resistors for use in current sensing applications such as smart energy meters. More specifically, the work focuses on the development of a precision trimming process to improve the resistance tolerance of the shunt resistors. A novel laboratory prototype of an automated concurrent trimming system is developed which combines the mechanical cutting process and electrical measurement system to remove controlled amounts of material from the Manganin shunt. Designs of experiments are conducted in order to find the optimum feed rate and cutting speed for the trimming process. The impact of cutting speed between 250 to 2500 m/min and feed rate between 1 to 15 mm/min was investigated. The optimum speed is measured at 1750 m/min with the feed rate at 1 mm/min. The results obtained can be used to inform production processes for large scale manufacture of precision shunt resistors.

Item Type: Book Section
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Martin Birkett
Date Deposited: 26 Sep 2016 09:24
Last Modified: 26 Sep 2016 09:41
URI: http://nrl.northumbria.ac.uk/id/eprint/27816

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