Transcription of UNIT 5 WELDING Welding - IGNOU
{{id}} {{{paragraph}}}
43 WELDING UNIT 5 WELDING Structure Introduction Objectives Classification of WELDING Processes Gas WELDING Oxy-Acetylene WELDING Flame Formation and its different Types Neutral Flame Carburizing Flame Oxidizing Flame Gas WELDING Tools and Equipments Arc WELDING Equipment Inert Gas Shield WELDING (TIG and MIG) WELDING Defects Summary INTRODUCTION WELDING is an art of joining metals by heating and then pressing together. The process of joining may also take place by other means of riveting or by fastening nut and bolts.
welding, seam welding, spot welding, lap joint welding, etc. Each of the above type of welding can be further classified depending on other micro level characteristics. 5.2.1 Gas Welding It is a fusion welding in which strong gas flame is used to generate heat and raise temperature of metal pieces localized at the place where joint is to be made.
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
{{id}} {{{paragraph}}}