Sökning: "Manual Metal Arc Welding"

Hittade 3 uppsatser innehållade orden Manual Metal Arc Welding.

  1. 1. Isocyanates formation from thermal degradation of polyurethane foam during welding of district heating pipes

    Master-uppsats, KTH/Ergonomi

    Författare :Muhammad Akram; [2023]
    Nyckelord :Polyurethane; Isocyanates; District Heating Pipes; Oxy-fuel Welding; Manual Metal Arc Welding;

    Sammanfattning : Polyurethane insulation foam, which is used as insulation on district heating steel and copper pipes, is made from polymerisation of polyol and diisocyanates monomers. Installation of new district heating pipes or replacement of old pipes involves masses of welding activities. LÄS MER

  2. 2. Characterization of Stainless Steel Welding Fume Particles : Influence of Stainless Steel Grade, Welding Parameters and Particle Size

    Master-uppsats, KTH/Materialvetenskap

    Författare :Nanxuan Mei; [2016]
    Nyckelord :welding fume; stainless steel; chromium; manganese; particles;

    Sammanfattning : Welding is a widely used method to join two pieces of stainless steel. Since it produces a large amount of fume during the process, it can cause adverse health effects. The welding fume particles contain many elements. Among them Cr, Mn and Ni are of concern. LÄS MER

  3. 3. Förutsägelse av produktionskostnaden för svetsade konstruktioner

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för industriell ekonomi

    Författare :Emmanuel Perez Sota; Kushtrim Qollakaj; [2015]
    Nyckelord :Weld weight; Welding-Economics; Regression.;

    Sammanfattning : Volvo Construction Equipment with headquarters in Eskilstuna is the world's oldest and one of the leading companies in the construction industry with products such articulated haulers, wheel loaders, excavators and skid steer loaders. The main purpose of this study is to create a tool for predicting the production cost of welded structures for the company's articulated haulers, which today is world leading on the market. LÄS MER