期刊
19TH CIRP CONFERENCE ON ELECTRO PHYSICAL AND CHEMICAL MACHINING
卷 68, 期 -, 页码 96-99出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.procir.2017.12.029
关键词
Wire electrical discharge machining; Wire electrode; Temperature; Two-color pyrometer; Optical fiber
资金
- Die and Mould Technology Promotion Foundation
In wire electrical discharge machining (EDM), it is considered that one of the major reasons why the wire electrode breakage occurs is the increase of temperature of wire electrode during machining. This is because the increase of the temperature leads to the decrease in the mechanical strength of wire electrode. However, the temperature of wire electrode has not been directly measured because it is difficult to measure the temperature by conventional measuring methods such as a thermocouple. Therefore, in this study, a two-color pyrometer with an optical fiber was used in order to measure the wire temperature during wire EDM in mist. Experimental results showed that the temperature of the wire electrode could be measured by the two-color pyrometer if the temperature was higher than 100 degrees C. Wire EDM was performed using a mist nozzle, and the temperature measurement of the wire electrode was attempted. Experimental results showed that the output of the two-color pyrometer was not observed, which indicated that the temperature of the wire electrode was lower than 100 degrees C under the experimental conditions used in this study. (c) 2018 The Authors. Published by Elsevier B.V.
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