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28Khz Ultrasonic welding transducer with digital generator for tea bag machine
|Machine||Ultrasonic tea bag machine|
Ultrasonic transducer is a kind of energy conversion device. Its function is to convert the input electric power into mechanical power (ultrasound) and then transmit it out, and it consumes only a small amount of power.
Ultrasonic generator (also called ultrasonic power supply) converts 220V mains electricity into high-frequency current and transmits it to piezoelectric ceramics. The piezoelectric ceramics resonate at ultrasonic frequencies. The piezoelectric effect of the material converts electrical signals into linear mechanical vibrations. , And then amplify (reduce) the amplitude through the ultrasonic horn, and finally transmit it to the tool head for work. Ultrasonic transducers generally have two forms: magnetostrictive and piezoelectric ceramics. All transducers used by our company are piezoelectric ceramics.
Magnetostriction: The effect of a material being deformed under the action of a magnetic field or a magnetic field is generated when the material is deformed. These materials usually contain nickel which exhibits strong magnetostriction. Magnetostrictive materials (usually laminated) are used in magnetostrictive sensors. Due to eddy currents, magnetostrictive transducers usually have higher losses than piezoelectric transducers and therefore have higher cooling requirements.
The ultrasonic tea bag sealing and cutting device is composed of ultrasonic transducer (converter), cover, horn (sonotrode) and generator. Specially supply for tea bag packaging machine manufacturers, as they can produce beautiful shape tea bags. Machine which will avoid people contact material directly, thus to ensure food safety and health, improve efficiency.
Welding characteristics of ultrasonic tea bag machine
1. It adopts straight handle or gun handle design, which is more convenient to operate.
2. The welding effect is controlled manually, which is easy to operate and does not require the use of cylinder pressure.
3. Using piezoelectric ceramic transducer, the output is stable and strong.
4. With automatic compensation circuit, the power can be adjusted freely to achieve uniform spot welding effect.
Application range of ultrasonic tea bag machine spot welding machine
It is mainly used in two major areas: home appliances and automobile interior decoration. For the welding of large products, a professional ultrasonic welding machine is required. Specifically include: automotive door panels, automotive sound insulation panels, automotive interior parts, automotive sound insulation cotton, TV shells, computer shells, electrical plastic trims, etc. Detailed process and materials: suitable for ABS, PP, PE, PC, PUC, Spot welding, pressure welding, riveting and chain welding of PMMA, PS, PPS, PBT, PETG and other plastics.
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