20Khz 1800W piezoelectric High-power ultrasonic welding machine transducer
High-power ultrasonic welding machine dual-vibrator transducer, also known as vibrator, is the mutual conversion of electrical energy and mechanical energy (acoustic vibration) by the piezoelectric effect of piezoelectric ceramics, and through front and rear radiation cover blocks matched by acoustic impedance The device to be amplified.
Low resonance impedance, high mechanical Q value, high electro-acoustic conversion efficiency.
Good thermal stability, low heat generation, good frequency and static capacitance consistency.
High-quality piezoelectric ceramic wafers are used, with large output amplitude and long life.
The function of the ultrasonic transducer is to convert the input electric power into mechanical power (ie, ultrasonic waves) and then transfer it out, while consuming a small part of the power itself.
For the ultrasonic transducer, the technical problem to be solved is to design an ultrasonic transducer with a large working distance and a high frequency bandwidth.
The piezoelectric ceramic disc transducer 3 is used above; the piezoelectric ceramic disc transducer is used as the basic ultrasonic transducer, which transmits and receives ultrasonic signals; the Cymbal array receiver is located above the disc piezoelectric transducer, As an ultrasonic receiver, it is used to receive Doppler echo signals outside the frequency band of the disc transducer.
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.
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Supply the products according to required drawings,samples and performance.
There are two types of ultrasonic welding: ultrasonic metal welding and ultrasonic plastic welding. Among them, ultrasonic plastic welding technology has been widely used. It uses the ultrasonic vibration generated by the transducer to transmit the ultrasonic vibration energy to the welding area through the upper welding piece. Due to the large acoustic resistance at the welding zone, that is, the junction between the two weldments, local high temperatures will cause the plastic to melt and complete the welding work under the action of contact pressure. Ultrasonic plastic welding can facilitate the welding of parts that cannot be welded by other welding methods. In addition, it also saves expensive mold costs for plastic products, shortens processing time, improves production efficiency, and is economical, fast and reliable.
