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Spot welding (or resistance spot welding[1]) is a type of electric resistance welding used to weld various sheet metal products, through a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current. The process uses two shaped copper alloy electrodes to concentrate welding current into a ...
Hot shrinking[1] is a process in car bodyworks. [2] As the name suggests, heat will be involved, while "shrinking" is the process of straightening a metal section. This is a method of panel beating where a panel is first heated to make it softer. In most cases, heating will be done by use of the oxyacetylene flame.
Panel beaters repair body work using skills such as planishing and metalworking techniques, welding, use of putty fillers, and other skills. Accident repair may require the panel beater to repair or replace parts of a vehicle. These parts may be made from various metals including steels and alloys, many different plastics, fibreglass and others.
Paintless dent repair may be used on both aluminum and steel panels. Common practical uses for paintless dent repair is the repair of hail damage, door dings, creases, body/feature line dents, and minor collision damage. The method can also be utilized to prepare a damaged panel for repainting by minimizing the use of body filler.
Friction stir spot welding of stamped sheets. In friction stir spot welding, individual spot welds are created by pressing a rotating tool with high force onto the top surface of two sheets that overlap each other in the lap joint. The frictional heat and the high pressure plastify the workpiece material, so that the tip of the pin plunges into ...
Joint designs. FSW tool by TRA-C industrie. Friction stir welding (FSW) is a solid-state joining process that uses a non-consumable tool to join two facing workpieces without melting the workpiece material. [1][2] Heat is generated by friction between the rotating tool and the workpiece material, which leads to a softened region near the FSW tool.
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