| Issue |
MATEC Web Conf.
Volume 94, 2017
The 4th International Conference on Computing and Solutions in Manufacturing Engineering 2016 – CoSME’16
|
|
|---|---|---|
| Article Number | 03013 | |
| Number of page(s) | 7 | |
| Section | Additive Manufacturing and Non-conventional Technologies | |
| DOI | https://doi.org/10.1051/matecconf/20179403013 | |
| Published online | 04 January 2017 | |
Tool electrode wear in electrical discharge of small diameter holes
1 Department of Machine Manufacturing Technology, Gheorghe Asachi Technical University of Iasi, Blvd. D. Mangeron, 39A, 700050, Iasi, Romania
2 Department of Mechanics and Technologies, University Stefan cel Mare of Suceava, Universitatii Street 13, 720229, Suceava, Romania
* Corresponding author: oanad@tcm.tuiasi.ro
In the paper, the problem of obtaining small diameter holes in workpieces made of high speed steel by electrical discharge machining was formulated. A fulfil factorial experiment was designed and materialized, taking into consideration the tool electrode diameter, pulse on time and pulse off time as independent variables. The tool electrode wear was evaluated by means of the decrease of tool electrode mass and length. On the base of experimental results, power type empirical mathematical models were determined. One noticed the higher influence exerted by the too electrode diameter, whose increase determine the decrease of the tool electrode.
© The Authors, published by EDP Sciences, 2017
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