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  2. Plastic welding - Wikipedia

    en.wikipedia.org/wiki/Plastic_welding

    Hot gas welding, also known as hot air welding, is a plastic welding technique using heat. A specially designed heat gun, called a hot air welder, produces a jet of hot air that softens both the parts to be joined and a plastic filler rod, all of which must be of the same or a very similar plastic. (Welding PVC to acrylic is an exception to ...

  3. Spin welding of polymers - Wikipedia

    en.wikipedia.org/wiki/Spin_welding_of_polymers

    Spin welding creates a clean and sound weld joint that requires little post processing. [3] Due to this most parts being welded are in the final stages of production, or are in final assembly. The first known application of spin welding was in the assembly of compasses, however spin welding has become used in a wide variety of products.

  4. Ultrasonic welding of thermoplastics - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_welding_of...

    The materials to be welded experience similar vibrations to those in plunge welding but shorter in time. [3] Hold force to the newly welded region is provided by previously welded section that has come out of the tooling and cooled down. [1] Scan welding is a type of continuous ultrasonic welding in which case large plates or sheets can be ...

  5. Hot gas welding - Wikipedia

    en.wikipedia.org/wiki/Hot_gas_welding

    Hand welding is a technique in which the weld rod is applied to the joint by the welder directly. This is also referenced as free-hand welding or fan welding. [1] The hot gas torch is maneuvered in one hand to heat both the weld rod and joint surfaces in a pendulum manner in quick succession.

  6. Implant induction welding of thermoplastics - Wikipedia

    en.wikipedia.org/wiki/Implant_Induction_Welding...

    Implant induction welding is a joining method used in plastic manufacturing. The welding process uses an induction coil to excite and heat electromagnetically susceptible material at the joint interface and melt the thermoplastic. The susceptible material can be contained in a gasket placed between the welding surface, or within the actual ...

  7. Laser welding of polymers - Wikipedia

    en.wikipedia.org/wiki/Laser_welding_of_polymers

    Many benefits can be obtained by transmission laser welding such as fast welding velocity, flexibility, good cosmetic properties and low residual stresses. From processing perspectives, laser welding can be performed in the pre-assembled conditions, reducing the necessity for complex fixtures; however, this method is not suitable for plastics ...

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