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Spin welding of polymers information


Spin welding is a form of friction welding used to join thermoplastic parts. The parts to be welded must be round, and in plane with each other. Like all other welding methods this process utilizes heat, time, and pressure to create a weld joint. Heat is generated via internal friction generated between the two parts when rotating and subjected to a load normal to the weld joint. This frictional heat causes the plastic to melt and a bond to be created.[1]

Due to this process's high speeds, and high repeat ability it is favored for a high production environment. This process was initially used to weld plastic compasses under a liquid to allow the internal parts of the compass to be filled with the liquid, but it is used in a very wide range of industries and applications.[1]

  1. ^ a b Troughton, Michael J. (2008-10-17). Handbook of Plastics Joining: A Practical Guide. William Andrew. ISBN 9780815519768.

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