Optimizacija parametara bradavičastog elektrootpornog zavarivanja sklopa žica-cijev

Puče, Andro (2015) Optimizacija parametara bradavičastog elektrootpornog zavarivanja sklopa žica-cijev. = Optimization of parameters in resistance projection welding of wire-tube assembly. Master's thesis (Bologna) , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Garašić, Ivica.

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Abstract (Croatian)

U radu je opisan postupak elektrootpornog zavarivanja s naglaskom na bradavičasto zavarivanje. Opisane su značajke elektrootpornog zavarivanja kao što su parametri zavarivanja, geometrija elektroda, materijal elektroda i drugo. Opisane su i pogreške koje su mogu pojaviti te način ispitivanja zavara. U eksperimentalnom dijelu, koji je izveden u tvrtci ZM-Vikom te u Laboratoriju za Zavarene konstrukcije Fakulteta strojarstva i brodogradnje u Zagrebu, zavareno je osam sklopova žica-cijev te je svaki od sklopova zavaren sa različitim parametrima. Žice su bile podijeljene u dvije vrste, s višom i s nižom vrijednosti vlačne čvrstoće. Cilj je bio povećati proizvodnost sklopova žica-cijev te optimirati parametre zavarivanja, odnosno pronaći odgovarajuće zajedničke parametre za sklopove s obe vrste žica. Nakon zavarivanja, izvedena su različita ispitivanja mehaničkih svojstava te su analizirani rezultati.

Abstract

The paper described the procedure for resistance welding with an emphasis on the projection welding. It described features of resistance welding, such as welding parameters, electrode geometry, the electrode material and more. It described the errors that can occur and the method of testing welds. In the experimental section, which was performed in the company ZM-Vikom and the Laboratory for Welded structures of the Faculty of Mechanical Engineering and Naval Architecture in Zagreb, eight wire – tube assemblies were welded and each with different parameters. Wires were divided into two species, with a higher and with a lower tensile strength. The aim was to increase productivity of assemblies wire - pipe and to optimize welding parameters and to find suitable common parameters for using both types of wires. After welding, different mechanical tests were performed and the results were analyzed.

Item Type: Thesis (Master's thesis (Bologna))
Uncontrolled Keywords: elektrootporno bradavičasto zavarivanje, sklop žica-cijev, parametri zavarivanja, proizvodnost, mehanička svojstva
Keywords (Croatian): resistance projection welding, wire-tube assembly, welding parameters, productivity, mechanical properties
Subjects: TECHNICAL SCIENCE > Mechanical Engineering > mechanical engineering design and drafting
Divisions: 1100 Department of Welded Structures
Date Deposited: 08 Jul 2015 09:52
Last Modified: 12 Jul 2017 05:01
URI: http://repozitorij.fsb.hr/id/eprint/4493

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