ARC WELDING ME 353 Presentation 11-3-2000 Presented by Damon Ogden OUTLINE • • • • • • What is Arc Welding The four most common types Non destructive testing Design considerations Strength Safety Feel free to ask questions at any questions at any time. Arc Welding • Welcome to the world of WELDING What is Arc Welding? An electric arc between the and electrode and the work piece generates heat. Sufficient heat is generated to melt the work pieces together. ELECTRODE ARC WORK PIECES
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Basically welding is just the cutting and joining of metal by applying heat to pieces of metal and fusing them together to form a permanent bond. Welding is used in a lot of processes such as; shipbuilding‚ automobile manufacturing and repairing‚ aerospace applications and many others. In addition to that welding is also used in construction to join steel beams of buildings and bridges and pipes in pipelines. Welders work in a wide variety of industries‚ from car racing to manufacturing. The work
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Arc Welding or SMAW Generally known as stick or arc welding. Arc welding is the most basic of all welding types‚ is easy to master in a home welding situation. Stick welding can be used for manufacturing‚ construction and repairs‚ very much well suited for heavy metal size 4 millimetres upwards. Thinner sheet metals and alloys are usually more suited to the mig welding types. STEPS: 1. Gather your materials. You should have a welding machine‚ electrode holder with lead‚ ground clamp with lead‚
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What is welding? When did it first come about? How does it work? Welding is a method of creating or repairing metal structures by joining several individual pieces of metals together through various forms of fusion processes. The history of welding dates back to ancient times. The earliest known examples of welding came from the Bronze Age. During the Middle Ages blacksmithing was developed and many items of iron were forged together by hammering. During the 19th century was when welding became to
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Gas Tungsten Arc Welding The Process Gas Tungsten Arc Welding‚ also known as Tungsten Inert Gas Welding‚ is an arc welding process that uses a non-consumable tungsten electrode to produce a weld. The weld area is protected from atmospheric contamination by an inert shielding gas‚ such as argon or helium‚ and filler metal is normally used‚ except in autogenous welds. A constant-current welding power supply produces energy which is conducted across the arc through a column of highly ionized gas and
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UNIT 3 WELDING WORKSHOP Structure 3.1 Introduction Objectives 3.2 3.3 Tools to be Used in Welding Workshop 3.4 3.5 Experiment No. 1 Resistance Welding 3.6 Seam Welding I Practice Session 3.7 Experiment No. 2 3.8 3.9 Experiment No. 3 Seam Welding Electrodes 3.1 INTRODUCTION Welding is a process of joining similar metals by application of heat with or without application of pressure and addition of filler material. The result is a continuity of homogeneous
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Homework research assignment Welding With the aid of a neat diagram explain what electric arc welding is. The dictionary defines electric arc welding as “A technique in which metals are welded using heat generated by an electric arc.” It is a type of welding that uses a welding power supply to create and electric arc between an electrode (the dictionary defines electrode as “A conductor through which electricity enters or leaves an object‚ substance‚ or region.”) and the base material to melt
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The Process of underwater welding was first used back in the 1930’s by the soviet engineer Konstantinovich Khrenov. It was a very vast process used by the Soviet Navy. Today underwater welding is far more advanced and safer. Now‚ don’t get me wrong this procedure is immensely dangerous far beyond belief. This topic I chose was something I was very intrigued by‚ I want to become an exceptional welder‚ and this would be something to master in the future. I have accumulated a lot of knowledge on the
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INTRODUCTION TO WELDING & FUSION WELDING PROCESS Dr. Tasnim Firdaus Ariff Welding Fundamentals Overview of Welding Technology 2. The Weld Joint 3. Features of a Fusion Welded Joint 1. 2 Joining and Assembly Distinguished Joining - welding‚ brazing‚ soldering‚ and adhesive bonding These processes form a permanent joint between parts Assembly - mechanical methods (usually) of fastening parts together Some of these methods allow for easy disassembly‚ while others do not 3 Welding Joining process
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millennia‚ called forge welding‚ with the earliest examples of welding from the Bronze Age and the Iron Age in Europe and the Middle East. The ancient Greek historian Herodotus states in The Histories of the 5th century BC that Glaucus of Chios "was the man who single-handedly invented iron-welding."[1] Welding was used in the construction of the iron pillar in Delhi‚ India‚ erected about 310 AD and weighing 5.4 metric tons.[2] The Middle Ages brought advances in forge welding‚ in which blacksmiths
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