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What are the types of the thor laser ultrasonic plastic welding technology?

position: home >> News >> Industry Dynamic

What are the types of the thor laser ultrasonic plastic welding technology?

pubdate:2016-09-29 00:00 source:http://www.leishenlaser.com clicks:

Thor laser plastic welding is the use of the characteristics of the thermoplastic hot melt, with thermal effect, make the two plastic parts surface melting at the same time, under the action of external force, make the blends into two parts, known as the welding, welding. Different heating, plastic tools can be divided into hot welding welding, induction welding, friction welding, ultrasonic welding, high frequency welding, hot air welding.

Raytheon several types of laser plastic welding technology:

1. Ultrasonic plastic welding

Ultrasonic plastic welding welding heat, heat is by ultrasonic irradiation of high frequency mechanical vibration, when using ultrasonic welding on the surface of a plastic, plastic particles will be rapid vibration of ultrasonic irradiation, mechanical work, and then into the heat, welding plastic surface temperature rise and melting, the surface temperature of the welding will not rise. Ultrasonic is by the introduction of welding plastic welding head, when the horn to stop working, and immediately plastic cooling and solidification. According to the structure of ultrasonic plastic welding machine can weld various thermoplastics.

2. The induction welding

Metal insert is placed on the surface of plastic parts, and comply with the appropriate pressure make it temporarily, and then placed in the alternating magnetic field, the metal insert the EMF generated heat cause plastic melt and combination of cooling to obtain a so-called induction welding the welding method of welding products. This method of welding, suitable for almost all of the thermoplastic plastic welding.

3. The heating welding tool

Using the heating tool, such as hot plate, tropical or iron welding two plastic surface direct heating, have enough until the surface melting layer, and then delete the heating tool, and press the two surface immediately, until it melts cooling and hardening, two parts are connected to each other, part of the call for the heat of welding tool. It is suitable for welding of organic glass, PVC, flexibility, PVC and HDPE, polytetrafluoroethylene, polypropylene, polycarbonate plastic, such as polyethylene, low density. More common, such as pp-r pipe connection is using the technology.

4. High frequency welding

Two pieces of plastic place diego collect two electrodes will, and let the electrode by high frequency current, the compensation under the action of electric field, the plastic free of charge, nature will be in the same frequency (but a slight lag) many times produce displacement (polarization), makes some molecular polarization frequently vibration, friction, electricity to heat, until melted and forces, combined with each other to achieve the purpose of the welding, known as the high frequency welding. It is suitable for polar molecules of plastic parts, such as film or film of PVC, polyamide, etc.

5.Hot air plastic welding

Hot air welding is easy to use, simple features, especially suitable for welding of plastic board, the compressed air or inert gun heater heating to plastic welding, and then use the gas heating parts and electrode, preheating after welding to reach the molten state, after the required temperature so as to not allow welding combining under pressure.

6. Friction welding

Use of thermoplastics, friction produced by the friction between the friction surface melting heat generation, and under pressure, and then cooling, you can make it with, this method is called the friction welding. This method is suitable for cylindrical products.


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