MATEC Web Conf.
Volume 129, 2017International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2017)
|Number of page(s)||5|
|Section||Modern Manufacturing Technologies, Tools and Equipment|
|Published online||07 November 2017|
Method for measuring thermo-emf of a “tool-workpiece” natural thermocouple in chip forming machining
Volgograde State Technical University, Linine Ave. 28, Volgograde 400005, Russia
* Corresponding author: firstname.lastname@example.org
The article presents a new method and a device for measuring the signal of thermoelectromotive force of a "tool – workpiece” natural thermocouple in the chip forming machining during the turning process. It is proposed to use a device of stationary current-collecting connection for fixing and measuring thermo-electromotive force signal, which allows to eliminate the influence of the transient resistance for existing constructions of movable current collectors. This circumstance makes it possible to reduce the measurement error of the signal and at the same time to increase its reliability. The review and analysis of the most similar constructive solutions have been carried out and there are also experimental data values which have been obtained when comparing the proposed device and the prototype.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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