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Application of ultrasonic transducer in ultrasonic welding
Latest company news about Application of ultrasonic transducer in ultrasonic welding

The function of the ultrasonic transducer is to convert the input electrical power into mechanical power (ultrasound) and then transmit it out, while it consumes a small part of the power.
Ultrasonic transducer, the technical problem to be solved is to design an ultrasonic transducer with a large working distance and bandwidth.
The transducer is composed of a shell, a matching layer, a piezoelectric ceramic disc transducer, a backing, an outgoing cable and a Cymbal array receiver. The piezoelectric ceramic disc transducer is made of PZT-5 piezoelectric material polarized in the thickness direction. The Cymbal array receiver is composed of 8-16 Cymbal transducers, two metal rings and rubber washers. The operating distance of the invention is greater than 35m, the frequency bandwidth reaches 10kHz, and it can detect the long-distance target moving at high speed.
The application of ultrasonic transducers is very wide. According to the application industries, it is divided into industry, agriculture, transportation, life, medical treatment and military. According to the realized function, it is divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc.; according to the working environment, it is divided into liquid, gas, biological body, etc.; according to the nature, it is divided into power ultrasonic, detection ultrasonic, ultrasonic imaging, etc. .
Ultrasonic welding has two categories: 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 weldment. Due to the large acoustic resistance of the welding zone, that is, the junction of the two weldments, local high temperature will be generated to melt the plastic, and the welding work will be completed under the action of contact pressure. Ultrasonic plastic welding can facilitate 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.

Pub Time : 2021-02-24 08:41:04 >> News list
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