| Issue |
MATEC Web Conf.
Volume 297, 2019
X International Scientific and Practical Conference “Innovations in Mechanical Engineering” (ISPCIME-2019)
|
|
|---|---|---|
| Article Number | 01006 | |
| Number of page(s) | 6 | |
| Section | Innovative Technological Processes of the Machine Parts Production, Assembly and Procuring Production | |
| DOI | https://doi.org/10.1051/matecconf/201929701006 | |
| Published online | 13 November 2019 | |
Forming Small Diameter Holes in Tungsten – Cobalt Alloys
Novosibirsk State Technical University, Faculty of Mechanical Engineering and Technologies, 630073 Prospect K. Marx, 20, Novosibirsk, Russia
The perspectives of combining the processes of electrochemical dissolving and electro-erosive removal of the processed material in forming small diameter holes in alloy WC-8Сo by a hollow electrode-tool are presented in the paper. It is established that in using immovable electrodes forming the cone in the hole takes place. The dependence of the piercing depth change on time is obtained. It testifies the decrease in the processing speed with increasing the inter-electrode gap. It is shown that during the electro-erosive – electrochemical process with immovable electrodes the productivity of small diameter hole piercing increased by 3 times in comparison with the electrochemical processing.
© The Authors, published by EDP Sciences, 2019
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