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- Spot_welding abstract "Resistance 'spot welding(RSW) is a process in which contacting metal surfaces are joined by the heat obtained from resistance to electric current.Work-pieces are held together under pressure exerted by electrodes. Typically the sheets are in the 0.5 to 3 mm (0.020 to 0.118 in) thickness range. The process uses two shaped copper alloy electrodes to concentrate welding current into a small "spot" and to simultaneously clamp the sheets together. Forcing a large current through the spot will melt the metal and form the weld. The attractive feature of spot welding is that a lot of energy can be delivered to the spot in a very short time (approximately 10–100 milliseconds). That permits the welding to occur without excessive heating of the remainder of the sheet.The amount of heat (energy) delivered to the spot is determined by the resistance between the electrodes and the magnitude and duration of the current. The amount of energy is chosen to match the sheet's material properties, its thickness, and type of electrodes. Applying too little energy will not melt the metal or will make a poor weld. Applying too much energy will melt too much metal, eject molten material, and make a hole rather than a weld. Another feature of spot welding is that the energy delivered to the spot can be controlled to produce reliable welds.Projection welding is a modification of spot welding. In this process, the weld is localized by means of raised sections, or projections, on one or both of the workpieces to be joined. Heat is concentrated at the projections, which permits the welding of heavier sections or the closer spacing of welds. The projections can also serve as a means of positioning the workpieces. Projection welding is often used to weld studs, nuts, and other screw machine parts to metal plate. It is also frequently used to join crossed wires and bars. This is another high-production process, and multiple projection welds can be arranged by suitable designing and jigging.".
- Spot_welding thumbnail Spot_welder.miller.triddle.jpg?width=300.
- Spot_welding wikiPageID "229103".
- Spot_welding wikiPageLength "13911".
- Spot_welding wikiPageOutDegree "28".
- Spot_welding wikiPageRevisionID "681906556".
- Spot_welding wikiPageWikiLink Aluminium_alloy.
- Spot_welding wikiPageWikiLink Annealing_(metallurgy).
- Spot_welding wikiPageWikiLink Assembly_line.
- Spot_welding wikiPageWikiLink Automotive_industry.
- Spot_welding wikiPageWikiLink Category:Welding.
- Spot_welding wikiPageWikiLink Clinching_(metalworking).
- Spot_welding wikiPageWikiLink Electric_current.
- Spot_welding wikiPageWikiLink Electrical_conductivity.
- Spot_welding wikiPageWikiLink Electrical_resistance.
- Spot_welding wikiPageWikiLink Electrical_resistance_and_conductance.
- Spot_welding wikiPageWikiLink Electrical_resistivity_and_conductivity.
- Spot_welding wikiPageWikiLink Electrode.
- Spot_welding wikiPageWikiLink List_of_copper_alloys.
- Spot_welding wikiPageWikiLink Nickel–cadmium_battery.
- Spot_welding wikiPageWikiLink Nickel–metal_hydride_battery.
- Spot_welding wikiPageWikiLink Orthodontics.
- Spot_welding wikiPageWikiLink Plate_(metal).
- Spot_welding wikiPageWikiLink Real-time_computing.
- Spot_welding wikiPageWikiLink Robot.
- Spot_welding wikiPageWikiLink Robot_welding.
- Spot_welding wikiPageWikiLink Sheet_metal.
- Spot_welding wikiPageWikiLink Structural_steel.
- Spot_welding wikiPageWikiLink Stud_welding.
- Spot_welding wikiPageWikiLink Thermal_conductivity.
- Spot_welding wikiPageWikiLink Transformer.
- Spot_welding wikiPageWikiLink Weld_quality_assurance.
- Spot_welding wikiPageWikiLink Welded_wire_mesh.
- Spot_welding wikiPageWikiLink Weldmesh.
- Spot_welding wikiPageWikiLink File:BMW_Leipzig_MEDIA_050719_Download_Karosseriebau_max.jpg.
- Spot_welding wikiPageWikiLink File:Robotworx-spot-welding-robot.jpg.
- Spot_welding wikiPageWikiLink File:Spot_welder.miller.triddle.jpg.
- Spot_welding wikiPageWikiLinkText "Resistance Spot Welding".
- Spot_welding wikiPageWikiLinkText "Spot welding".
- Spot_welding wikiPageWikiLinkText "Spot welding#Projection welding".
- Spot_welding wikiPageWikiLinkText "spot welded".
- Spot_welding wikiPageWikiLinkText "spot welding".
- Spot_welding wikiPageWikiLinkText "spot welds".
- Spot_welding wikiPageWikiLinkText "spot-welded".
- Spot_welding hasPhotoCollection Spot_welding.
- Spot_welding wikiPageUsesTemplate Template:Commons_category.
- Spot_welding wikiPageUsesTemplate Template:Convert.
- Spot_welding wikiPageUsesTemplate Template:Metalworking_navbox.
- Spot_welding wikiPageUsesTemplate Template:Reflist.
- Spot_welding wikiPageUsesTemplate Template:Visible_anchor.
- Spot_welding subject Category:Welding.
- Spot_welding hypernym Process.
- Spot_welding type Election.
- Spot_welding comment "Resistance 'spot welding(RSW) is a process in which contacting metal surfaces are joined by the heat obtained from resistance to electric current.Work-pieces are held together under pressure exerted by electrodes. Typically the sheets are in the 0.5 to 3 mm (0.020 to 0.118 in) thickness range. The process uses two shaped copper alloy electrodes to concentrate welding current into a small "spot" and to simultaneously clamp the sheets together.".
- Spot_welding label "Spot welding".
- Spot_welding sameAs لحام_بقعة.
- Spot_welding sameAs Soldadura_per_punts.
- Spot_welding sameAs Soldadura_por_puntos.
- Spot_welding sameAs ריתוך_נקודות.
- Spot_welding sameAs スポット溶接.
- Spot_welding sameAs Puntlassen.
- Spot_welding sameAs m.01hbp6.
- Spot_welding sameAs Sudură_în_puncte.
- Spot_welding sameAs Точечная_контактная_сварка.
- Spot_welding sameAs Punktsvetsning.
- Spot_welding sameAs స్పాట్_వెల్డింగు.
- Spot_welding sameAs Точкове_зварювання.
- Spot_welding sameAs Q2327972.
- Spot_welding sameAs Q2327972.
- Spot_welding wasDerivedFrom Spot_welding?oldid=681906556.
- Spot_welding depiction Spot_welder.miller.triddle.jpg.
- Spot_welding isPrimaryTopicOf Spot_welding.
