20Khz 50mm Ultrasonic Welding Transducer for Continue Work Fabric Sealing

What is ultrasonic transducer

Ultrasonic transducers are piezoelectric ceramics that resonate at ultrasonic frequencies and convert electrical signals into mechanical vibrations by the piezoelectric effect of the material. When the transducer is used as a transmitter, the electrical oscillating signal sent from the excitation source will cause a change in the electric or magnetic field in the electrical energy storage element of the transducer, which changes the mechanical vibration system of the transducer through some effect. A driving force is generated to cause it to vibrate, thereby propelling the medium in contact with the mechanical vibration system of the transducer to vibrate and radiate sound waves into the medium.
 

Parameter

Advantage

1. The piezoelectric ceramic chip adopts imported parts, and can give a strong and stable output.
2. High efficiency, high mechanical quality factor, obtaining high electric-acoustic conversion efficiency work at the resonance frequency points.
3. Large amplitude: optimization design by computer , vibration speed ratio is high .
4. Large power,Under the action of prestressed screw, the energy of the piezoelectric ceramic to get maximum play;
5. Good heat resistance, small harmonic impedance, low calorific value, using temperature range is wide.

While ultrasonic transducers offer numerous advantages in industrial applications, there are also some limitations and drawbacks to consider. Here are a few:

1. Frequency Limitations: Ultrasonic transducers operate within specific frequency ranges. The choice of frequency depends on the application requirements. However, higher frequencies tend to have shorter wavelengths, which can limit the penetration depth into materials. Lower frequencies provide greater penetration but may result in lower resolution or sensitivity.

2. Material Compatibility: The effectiveness of ultrasonic transducers can vary depending on the material being inspected or processed. Some materials, such as highly attenuating or absorbent substances, may not transmit or receive ultrasonic waves efficiently, reducing the transducer's effectiveness.

3. Surface Preparation: Ultrasonic transducers require proper coupling between the transducer and the object under inspection or processing. This often involves applying a coupling agent, such as gel or oil, to ensure good acoustic contact. Surface roughness, contamination, or uneven surfaces can affect the coupling and compromise the transducer's performance.

4. Limited Imaging Depth: In ultrasonic imaging applications, the depth of penetration is limited by the attenuation characteristics of the material being imaged. As the ultrasonic waves propagate through the material, they gradually lose energy, resulting in reduced image quality and resolution at greater depths.

5. Cost and Complexity: Advanced ultrasonic transducers designed for specific industrial applications can be costly. Additionally, configuring and calibrating the transducer system for optimal performance requires expertise, which may increase the complexity and cost of implementation.

6. Environmental Constraints: Ultrasonic transducers can be affected by environmental factors such as temperature, humidity, and pressure. Extreme conditions or variations in these factors can impact the performance and reliability of the transducer.

Service and shipment

l Warranty one year for transducer.

l You can contact us for technical inquiry any time.

l We supply OEM service for oversea customer, also will keep Confidentiality for our customers.

l We supply customized products service for small quantity also.

l Shipment by FED-EX /DHL