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Researching of deformation process of the trapezium-shaped continuos-cast beam-blank, which produce by casting-rolling modul (CRM).
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Today, almost 100% of products from non-ferrous metals which produce in the world are produce on CRM. Any kind of CRM have similar principle of work difference only in of equipment mix (tabl.).
Table. Comparative table of prodaction volume of equipment for prodaction of copper wire billet.
Tipe of machine |
similarity quantity of machine |
similarity productivity |
medium productivity of one machine |
|
|
tnousand t/year |
%from Σ |
|||
|
Mill of hot-rolled wirebares |
21 |
426 |
3,9 |
20 |
|
«Propercy» |
23 |
894 |
8,3 |
39 |
|
«Southwire» |
43 |
4643 |
43,2 |
108 |
|
«Assecs» |
4 |
225 |
2,0 |
56 |
|
«Contirod» |
31 |
3466 |
32,2 |
112 |
|
«Dip-Forming» |
13 |
501 |
4,7 |
38,5 |
|
«Outocumpu» |
65 |
607 |
5,7 |
9,3 |
|
Σ |
200 |
10762 |
100 |
|
In 2000 year world prodaction of refined copper eaqual`s 14,48 million t. Half of this volume (7,26 million t) is processed in wire billet or wire by diameter ~ 8 mm for next production of wires, cables and other explorers of current. Now for prodaction of copper wire using equipment of different producers.
Billet for prodaction of wire have trapezium shape (see Figure 1). For research of deformation process of the trapezium-shaped continuos-cast beam-blank, which produce by casting-rolling modul were used oval roll pass design (laboratory mill 300 by department ОМТ).
In the end of researches the diagram of distribution of high deformation of billet in oval roll pass design (see Figure 2).
Thus, initial analysis of the chosen rolling layout was done resulting in high deformation distributed non proportional.
Figure 1. Billet, which casting by continious-casting machine of rotor type on CRM «Souswire»
Figure
2.
Diagram of the distribute of high
deformation of the beam-blank
in oval roll pass design
| Main | Master`s degree work | Photos |