Spin welding is used to join two plastic parts which are spherical or cylindrical in shape. Frictional heat is generated at the mating surface (joint) by spinning one part (upper) against a fixtured (lower) part, welding the assembly together. Spin welding is a fast process that works well with large and small diameter parts as well as a broad range of thermoplastic resins.
When spin welding there is a fixtured part and a driven part. The base part needs to be supported and aligned during the spin welding process. While the driven part can be loaded into the upper drive head or loaded on top of the fixtured part. Fixtured parts do not require any key features for the spin welding process.
Our Spin Welding Design Guidelines in PDF format.
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