Analiza medvarkovnih temperatur pri robotskem navarjanju aluminijeve zlitine AlSi5

Muhič, Gašper (author), Klobčar, Damjan (mentor)

Danes je uporaba aditivnih tehnologij v proizvodnji vse bolj pogosta, saj omogočajo izdelavo kompleksnih geometrij z majhno porabo materiala. Aditivne tehnologije, ki uporabljajo kovinske prahove so pogosto povezane z visokimi stroški in omejenostjo na izdelavo manjših izdelkov. Za naše preizkuse smo uporabljali tehnologijo obločnega navarjanja žice po postopku CMT (nadgradnja postopka MIG). V nalogi smo se osredotočili predvsem na analizo medvarkovnih temperatur in vpliv le teh na kakovost izdelka. Ugotovili smo, da medvarkovna temperatura ne sme preseči 130 °C, drugače pride do napak v izdelku. Poleg tega smo spoznali, da se medvarkovna temperatura spreminja enakomerno s temperaturo podlage, kar pomeni da moramo za hitrejše znižanje medvarkovne temperature hladiti podlago.

• Language: Slovenian
• Keywords: aditivne tehnologije, obločno navarjanje žice, robotsko navarjanje, 3D tiskanje, aluminijeve zlitine, AlSi5, medvarkovne temperature
• Work type: Final paper
• Typology: 2.11 - Undergraduate Thesis
• Organization: FS - Faculty of Mechanical Engineering
• Publisher: [G. Muhič]
• Year: 2018
• PID: 20.500.12556/RUL-103107
• UDC: 621.791.75(043.2)
• COBISS.SI-ID: 16415515
• Publication date in RUL: 14.09.2018

MUHIČ, Gašper, 2018, Analiza medvarkovnih temperatur pri robotskem navarjanju aluminijeve zlitine AlSi5 [online]. Bachelor’s thesis. G. Muhič. [Accessed 24 April 2025]. Retrieved from: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=eng&id=103107

Secondary language

• Language: English
• Title: Analysis of weld interpass temperatures at robotic wire arc additive manufacturing of aluminium alloy AlSi5

Abstract

Today, the use of additive technologies in production is becoming increasingly common as it enables the production of complex geometries with low material consumption. Additive technologies that use metal powders are often associated with high costs and production of smaller products. For our experiments we used wire and arc additive manufacturing technology using the CMT procedure (MIG process upgrade). In our work, we focused primarily on the analysis of weld interpass temperatures and the impact of these on product quality. We find out that the weld interpass temperature should not exceed 130 °C, otherwise errors in the product may occur. In addition, we learned that the weld interpass temperature changes evenly with the base temperature, which means that the base should be cooled down to lower the weld interpass temperature.

• Keywords: additive technologies, wire and arc additive manufacturing, robotic welding, 3D printing, aluminium alloys, AlSi5, weld interpass temperatures