The Paton Welding Journal, 2000, №04

2000 №04 (06)

2000 №04 (08)

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The Paton Welding Journal, 2000, #4, 30-32 pages

Features of the technology of ultrasonic welding of axially symmetrical polyethylene containers

N.P. Nesterenko

E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.

Abstract
The influence of modes of ultrasonic welding and methods of introducing mechanical vibrations into the weld zone on the quality of welded joints produced in sealing of polyethylene containers is considered. It is shown that with the decrease of the static compression force in the forging stage and of welding time the welded joint quality is improved at the expense of a more uniform morphology, absence of defects or texture in the weld zone. A new welding cycle and the appropriate schematic of dosing the energy of the introduced mechanical vibrations are proposed. Recommendations are issued on industrial use of the developed technology.
Keywords: ultrasonic welding of polyethylene, welding zone, methods of oscillations application, wave guide, wave guide oscillation amplitude, working frequency, piezoelectric transducer, upsetting, forging, working cycle

References

1. Volkov, S.S., Chernyak, B.Ya. (1986) Plastics welding by ultrasound. Moscow: Khimia.
2. Senchenkov, I.K., Chervinko, O.P. Nesterenko, N.P. (1991) Mathematical simulation of thermal vibration processes in technological systems for USW of plastics. In: Abstr. of pap. of III All-Union Conf Mechanics of Inhomogeneous Structures, Lvov 1991 Lvov.

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Suggested Citation

N.P. Nesterenko (2000) Features of the technology of ultrasonic welding of axially symmetrical polyethylene containers. The Paton Welding J., 04, 30-32.

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