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Aug 01, 2024ELECTRODES AND CURRENTS USEDEXX10 DC+ (DC reverse or DCRP) electrode positive. EXX11 AC or DC- (DC straight or DCSP) electrode negative. EXX12 AC or DC- EXX13 AC, DC- or DC+ EXX14 AC, DC- or DC+ EXX15 DC+ ... -
Jul 31, 2024ELECTRODE IDENTIFICATIONArc welding electrodes are identified using the A.W.S, (American Welding Society) numbering system and are made in sizes from 1/16 to 5/16 . An example would be a welding rod id... -
Jul 31, 2024What Are Some Stainless Steel Welding Procedures?Four of the main characteristics that metallurgists keep in mind when welding stainless steels are a lower melting temperature, a lower coefficient of thermal conductivity, a hi... -
Jul 31, 2024What Is Welding?What is Welding? Did You Know? Welding has been called, "the best kept secret" in career planning. Welding is widely used in construction, manufacturing, and many other industri... -
Jul 31, 2024What Are Stick Electrodes?Welding electrodes are metal wires with baked on chemical coatings. The rod is used to sustain the welding arc and to provide the filler metal required for the joint to be welde... -
Jul 31, 2024FluxThe purpose of flux is to facilitate the soldering process. One of the obstacles to a successful solder joint is an impurity at the site of the joint, for example, dirt, oil or ... -
Jul 31, 2024Oxygen-free CopperO xygen-free copper is typically specified according to the ASTM/ UNS database. The UNS database includes many different compositions of high conductivity electrical copper . Of... -
Jul 31, 2024Strain Gauge Load CellThrough a mechanical construction, the force being sensed deforms a strain gauge . The strain gauge measures the deformation ( strain ) as a change in electrical resistance, whi... -
Jul 31, 2024TGV Track ConstructionLGV construction is the process by which the land on which TGV trains are to run is prepared for their use, involving carving the trackbed and laying the track . It is similar t... -
Jul 31, 2024Rail WeldingTypically, the ends of the rails are cleaned, aligned flat and true, and spaced apart 25 mm (1 in). This gap between rail ends for welding is to ensure consistent results in the... -
Jul 31, 2024Exothermic WeldingIn exothermic welding, aluminium dust reduces the oxide of another metal , most commonly iron oxide , because aluminium is highly reactive. Iron(III) oxide is commonly used: {\d... -
Jul 31, 2024Applications Of Spot WeldingSpot welding is typically used when welding particular types of sheet metal , welded wire mesh or wire mesh . Thicker stock is more difficult to spot weld because the heat flows...
