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[4] [6] Europe through KUKA AG and Thompson launched rotary friction welding for industrial applications in 1966, developed a direct-drive process and in 1974 built the rRS6 double spindle machine for heavy truck axles. [7] [8] newIn 1997, an international patent application was filed, entitled "Method of Friction Welding Tubular Members".
Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion to one another. The process is used with the addition of a lateral force called "upset" to plastically displace and fuse the materials. [ 1 ]
The oldest welding process in the world. Oxides must be removed by flux or flames. Damascus steel: Friction welding: 42: FRW Thin heat affected zone, oxides disrupted by friction, needs sufficient pressure Aerospace industry, railway, land transport Friction stir welding: 43: FSW A rotating non-consumable tool is traversed along the joint line
Thompson Friction Welding of Halesowen for machines for friction welding components; ThorpeGlen Limited of Ipswich, Suffolk for software products and solutions. Topaz Electronic Systems Ltd (trading as thINKtank) of Welton, Lincolnshire for printer cartridge re-filling and re-manufacturing.
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Adam Koppy in front of a FSW machine at NASA Michoud Assembly Facility near New Orleans. Adam H. Koppy (April 13, 1973 – June 26, 2013) was an American mechanical engineer. He was internationally recognised as one of the leading friction stir welding machine designers and builders.
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Friction stud welding is a solid phase welding technique involving a stud or appurtenance being rotated at high speed while being forced against a substrate, generating heat by friction. The metal surfaces reach a temperature at which they flow plastically under pressure, surface impurities are expelled and a forged weld is formed.
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