Electroarc discharge in conditions bow-contact cutting of metal

Authors
Citation
V. Frolov, Electroarc discharge in conditions bow-contact cutting of metal, HIGH T M-US, 5(1), 2001, pp. 87-92
Citations number
2
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Material Science & Engineering
Journal title
HIGH TEMPERATURE MATERIAL PROCESSES
ISSN journal
1093-3611 → ACNP
Volume
5
Issue
1
Year of publication
2001
Pages
87 - 92
Database
ISI
SICI code
1093-3611(2001)5:1<87:EDICBC>2.0.ZU;2-0
Abstract
In this work was investigated the formation of an electric are. The cutting of metal detail was carried out in fluid by the rotaried disk. As a result were determined the modes of polar effect for a material melting and value of a current density in an anode spot of all electric are. It was made for the range of currents I=500-5000A. The calculation procedure of an expandi ng plasma cavity in water was developed. The basic parameters of plasma in the presence of material evaporation were determined. The geometrical sizes of expanding gas cavity, and also cavity pressure depending on parameters of electrical are discharge were determined. Regarding operating variables of installation were made the recommendations which based on conditions of an electric are initiation and duration of an are burning. It allows to ensure heightened productivity and efficiency of installation, and also to determine the main regularities of electrophysic al and electro-hydrodynamical processes which influencing to the service pr operties of equipment.