The two parts to be welded are pressed together and while one part is held
fixed the other rotates at high speed. The friction between the two parts
generates heat which causes the polymer to melt at the interface. The molten
polymer flows out of the weld-zone giving rise to flash. When rotation stops,
the weld cools down and solidifies. Spin welding is an efficient, simple and
fast process, with short cycle times.
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