- ARE WELDING
- لحام القوس
English-Arabic construction engineering dictionary. 2015.
ARE WELDING
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Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… … Wikipedia
Welding joints — are formed by welding two or more workpieces, made of metals or plastics, according to a particular geometry. The most common types are butt and lap joints; there are various lesser used welding joints including flange and corner joints. Contents … Wikipedia
Welding helmet — Welding helmets are headgear used when performing certain types of welding to protect the eyes, face and neck from flash burn, ultraviolet light, sparks and heat. Most commonly used with arc welding processes such as shielded metal arc welding… … Wikipedia
welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved … Universalium
Welding defect — A welding defect is any flaw that compromises the usefulness of the finished weldment. According to the American Society of Mechanical Engineers (ASME) welding defect causes are broken down into the following percentages: 41% poor process… … Wikipedia
Welding power supply — A welding power supply is a device that provides an electric current to perform welding. Welding usually requires high current (over 80 amperes) and it can need above 12,000 amps in spot welding. Low current can also be used; welding two razor… … Wikipedia
welding — Art of fastening metals (or plastic) together by means of interfusing them. They are heated to a suitable temperature. In some cases pressure is used to bond them together. In other cases a filler material (solder) is used to join them. Among the … Dictionary of automotive terms
welding — the process of joining together two pieces of metal so that bonding accompanied by appreciable interatomic penetration takes place at their original boundary surfaces. The boundaries more or less disappear at the weld, and integrating crystals… … Mechanics glossary
Welding — Weld Weld, v. t. [imp. & p. p. {Welded}; p. pr. & vb. n. {Welding}.] [Probably originally the same word as well to spring up, to gush; perhaps from the Scand.; cf. Sw. v[ a]lla to weld, uppv[ a]lla to boil up, to spring up, Dan. v[ae]lde to gush … The Collaborative International Dictionary of English
welding sequence — Order in which the component parts of a structure are welded … Dictionary of automotive terms
automatic welding — Welding in which the work, the torch, and/or the arc is mechanically moved and controls are used to control the speed and/or the direction of travel … Dictionary of automotive terms
