HEATED TOOL BUTT WELDING OF POLYETHYLEN PIPES

1. Dobre Runčev, 2. Gligorce Vrtanoski

The pipe line instalations of polymer elements - plastics, pipes, knees, socets and etc, has been more and more implemented. The most used polymer materials, from the great number of different polymers, for the production of the pipes and pipe elements, are the polyethylene (PE) and polyvinylchlorid (PVC), also polyamid (PA) and polypropylen (PP) are used.
The paper shows a part of the investigation results of the heated tool butt welding of PE100 pipes, with a diammeter Ø160 mm and with thickness of 8,00 mm.
Weldings were effected on several tests, during which a part of the parameters of the welding regime were changed. Changes were made over the time of heating of the tool, time of effection and intensity of preasure of the pipes over the tool - plate.
Serial of examinations for establishing the quality of the welded joint were effected over the tests. A visual control and test of resistance to internal preasure was effected.
Test specimens were made from the welded pipes and a tensile and bending test was effected.

Tematska oblast: Proizvodne tehnologije i inženjerstvo

Uvodni rad: Da

Datum: 13.02.2011.

Br. otvaranja: 802

11th International Conference on Accomplishments in Mechanical and Industrial Engineering

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