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Welding Presentation.
 

Welding Presentation.

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a slide show with facts about welding.

a slide show with facts about welding.

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    Welding Presentation. Welding Presentation. Presentation Transcript

    • Greenup Co. A.T.C Welding 01/25/10 By:Jaime Murphy
    • Arc Welding.
      • -uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point.
      • -arc welding is also known as "stick welding".
      • The process of arc welding is widely used because of its low capital and running costs.
    • Tig Welding.
      • -also known as tungsten inert gas (TIG) welding.
      • -is an arc welding process that uses a nonconsumable tungsten electrode to produce the weld.
      • -TIG welding has become a popular choice of welding processes when high quality, precision welding is required.
    • Mig Welding.
      • -Gas Metal Arc Welding (GMAW) is frequently referred to as MIG welding. MIG welding is a commonly used high deposition rate welding process.
      • -Wire is continuously fed from a spool. MIG welding is therefore referred to as a semiautomatic welding process.
    • Safety Tips For Arc Welding.
      • -Aprons — flame resistant leather or other material that protects against heat and sparks.
      • -Safety shoes / boots — sturdy, steel-toed, high-top boots are best; ankle length low-cut shoes may catch hot slag.
      • -Ear protection — ear plugs, and during very noisy operations such as high velocity plasma torches, ear muffs.
      • -Head protection — safety helmet or other head gear to protect against sharp or falling objects.
    • Safety Tips For Tig Welding.
      • - Dry, hole-free insulating gloves and body protection.
      • - Approved welding helmet fitted with a proper shade of filter lenses to protect your face and eyes when welding or watching.
      • - Approved safety glasses with side shields under your helmet.
      • - Protective clothing made from durable, flame-resistant material (leather, heavy cotton, or wool) and foot protection.
    • Safety Tips For Mig Welding.
      • - read your welder's operating manual.
      • - cover any exposed skin, dont keep butane lighters or matches in your pockets.
      • - make sure to wear the right footwear, high top leather shoes, or high top leather boots.
      • - dont not breathe in the gas fumes or any other fumes while your welding, the fumes could kill or hurt you.
    • Tig Welding. With TIG welding, one can perform a variety of weld types on several different metals. Steel and aluminum, however, are the two most widely used metals. The filler rod is another important aspect of TIG welding. Usually made from the same material as the base metal, it is used for reinforcing joints and welding heavy metals.
    • Mig Welding. The primary advantage of MIG welding is that it allows metal to be welded much quicker than traditional welding "stick welding" techniques. This makes it ideal for welding softer metals such as aluminum. When MIG welding was first developed, the cost of the inert gas (i.e., argon) made the process too expensive for welding steel. However, over the years, the MIG welding process has evolved and semi inert gases such as carbon dioxide can now be used to provide the shielding function which makes MIG welding cost effective for welding steel.
    • Arc Welding. The flux covering the electrode melts during welding. This forms the gas and slag to shield the arc and molten weld pool. The slag must be chipped off the weld bead after welding. The flux also provides a method of adding scavengers, deoxidizers, and alloying elements to the weld metal.