ANALYSIS AND TECHNOLOGY DESIGN FOR THE PRODUCTION OF JEWELRY WIRE FROM NEW PRECIOUS METAL ALLOYS
URI (for links/citations):http://elib.sfu-kras.ru/handle/2311/33003
Sidel'Nikov, S. B.
Ditkovskaya, Yu. D.
Lebedeva, O. S.
Lopatina, E. S.
Rudnitskiy, E. A.
Leont'Eva, E. S.
Институт цветных металлов и материаловедения
Кафедра «Общая металлургия»
Journal Name:Bulletin of the South Ural State University
Bibliographic Citation:Sidel'Nikov, S. B. ANALYSIS AND TECHNOLOGY DESIGN FOR THE PRODUCTION OF JEWELRY WIRE FROM NEW PRECIOUS METAL ALLOYS [Текст] / S. B. Sidel'Nikov, Yu. D. Ditkovskaya, O. S. Lebedeva, E. S. Lopatina, E. A. Rudnitskiy, E. S. Leont'Eva // Bulletin of the South Ural State University: METALLURGY. — 2015. — Т. 15 (№ 4). — С. 108-115
Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.
The technology of long deformed semi-finished products for manufacturing jewelry chains from alloys based on gold, silver and palladium is described. New technological modes of processing new precious metal alloys are analyzed and designed based on the authors’ methodologies of calculation of deformation and power parameters of cold section rolling and drawing. These technological modes were tested at JSC “The Gulidov Krasnoyarsk Non-Ferrous Metals Plant” and enabled to increase the efficiency of jewelry production. Designed directions provide uniform distribution of draws along the passes creating favourable conditions for metal treatment and reducing product defects. For instance, in the production of a NTs 12-078 “Snake” jewelry chain from a new red-coloured alloy 585 which has a complex technology and high requirements for mechanical properties of semi-finished products, the yield of 0.25 and 0.35 mm wire was 79.65% and 79.43 % respectively, while analogous alloys provided average values of 69.92 % and 77.97 %.