The main principle of PVC Welding
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Quote · 92 days ago · 0 people like this ·

The main principle of PVC Welding is: when the ultrasonic effect on the thermoplastic plastic contact surface, will produce tens of thousands of times per second high-frequency vibration, which reaches a certain amplitude of high-frequency vibration, through the welding pieces of ultrasonic energy to Weld area, because the welding area that is two welding interface at the interface of large resistance, it will produce local high temperature. But also because of poor thermal conductivity of plastic, and sometimes can not be distributed in time, gathered in the welding area, resulting in two plastic contact surface rapid melting, coupled with a certain pressure, so that integration into one. When the ultrasonic stops, let the pressure last for a few seconds to make it solidified, thus forming a solid molecular chain, to achieve the purpose of welding, welding strength can be close to the strength of raw materials.

PVC welding method: ultrasonic vibration with the welding head will be ultrasonic conduction to the weldment, due to the two welding parts at the large resistance, resulting in local high temperature, so that welding interface melting. Under a certain pressure, so that the two welding pieces to achieve beautiful, fast, strong welding effect.

PVC embedding method: nut or other metal to insert plastic parts. First, the ultrasonic transmission to the metal, the high-speed vibration, so that the metal directly embedded in the molding of plastic, while the plastic melting, the completion of the buried after curing.

Removal method: the use of welding head and the base of the special design, when the plastic workpiece just fired, the direct pressure on the plastic branches, through the ultrasonic conduction to achieve the effect of resection.

Pvc welding working principle refers to the quality of ultrasonic plastic welding depends on the transducer head welding amplitude, pressure and welding time and other three factors, welding time and welding head pressure can be adjusted, the amplitude by the transducer And horns. The three kinds of interaction have a suitable value, the energy exceeds the appropriate value, the plastic melting amount is large, easy to deformation of welding; if the energy is small, it is not easy to solder, the pressure can not be too much. As a typical representative of plastic High Frequency PVC Welding Machine, pvc welding machine in the industrial welding has an irreplaceable importance.