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  2. Orbital welding - Wikipedia

    en.wikipedia.org/wiki/Orbital_welding

    Orbital welding is a specialized area of welding whereby the arc is rotated mechanically through 360° (180 degrees in double up welding) around a static workpiece, an object such as a pipe, in a continuous process.

  3. Polysoude - Wikipedia

    en.wikipedia.org/wiki/Polysoude

    Polysoude was created in 1961 focusing engineering and development on its first installations for orbital welding. [3] The origin of its creation came from a specific request for the construction of power stations, with technical specifications requiring flawless and repetitive welds in order to guarantee a maximum level of security.

  4. Vibration welding of thermoplastics - Wikipedia

    en.wikipedia.org/wiki/Vibration_Welding_of...

    Vibration can be achieved either through linear vibration welding, which uses a one dimensional back and forth motion, or orbital vibration welding which moves the pieces in small orbits relative to each other. Linear vibration welding is more common due to simpler and relatively cheaper machinery required.

  5. Category:Welding - Wikipedia

    en.wikipedia.org/wiki/Category:Welding

    Welding is the joining together of materials (typically metals or thermoplastics), ... Orbital welding; Oxy-acetylene welding; Oxy-fuel welding and cutting; P.

  6. Friction welding - Wikipedia

    en.wikipedia.org/wiki/Friction_welding

    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]

  7. Radio-frequency welding - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_welding

    Radio-frequency welding, also known as dielectric welding and high-frequency welding, is a plastic welding process that utilizes high-frequency electric fields to induce heating and melting of thermoplastic base materials. [1] The electric field is applied by a pair of electrodes after the parts being joined are clamped together.

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