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Examination of the Force Parameters in Drawing Process of CuZn39Pb3 Cast Rod using Selected Lubricants

Jabłoński Michał

Archives of Foundry Engineering

2023

Vol. 23, iss. 4

99--104

The paper presents the results of research on the wire drawing process of wire brass using different deformation degree and using selected lubricants of different viscosity. The material used for the study was CuZn39Pb3 wire, which was obtained under laboratory horizontal continuous casting process using graphite crystallizer. A cast brass rod with a diameter of 9.4 mm was drawn in laboratory conditions to a diameter of 3 mm and then drawn in one operation to a diameter of 2.9 mm, 2.65 mm or 2.4 mm. Before the final deformation process, the wire surfaces were properly prepared. Based on the results obtained, the drawing tension was used to draw conclusions. The oxide surface has been shown to increase drawing tension and decrease quality of wires, while the surface that has been etched prior to deformation has a beneficial effect both on the reduction of the strength parameters of the drawing process as well as on the improvement of its quality. In addition, it has been shown that despite the emulsion has lowest dynamic viscosity that’s protect wire surface well, decrease the drawing force at high unit loads.

Europejski Zielony Ład - rewizja dyrektywy o emisjach przemysłowych (IED)

Jabłoński Michał

Energetyka Cieplna i Zawodowa

2021

Nr 5

30--33

Rewizja dyrektywy w sprawie emisji przemysłowych IED może wprowadzić wiele zmian i nowych elementów, które będą zmierzały do dalszego ograniczania oddziaływań na środowisko powodowanych przez przemysł.