20MM Diameter Ceramic 40Khz 200W Ultrasonic Welding Piezoelectric Transducer
Description:
The ultrasonic transducer mainly comprises a casing, an acoustic window (matching layer), a piezoelectric ceramic disk transducer, a backing, an extraction cable, a receiver and the like. Among them, the piezoelectric ceramic disk transducer plays the same role as the general transducer, and is mainly used for transmitting and receiving ultrasonic waves; and on the piezoelectric ceramic disk transducer is a receiver, mainly by the outgoing cable The transducer, the metal ring and the rubber gasket are used as an ultrasonic receiver to receive the Doppler echo signal generated outside the band of the piezoelectric ceramic disk transducer.
Specifications:
| Model | QR-2040-2BD |
| Frequency | 40khz |
| Output power | 200 watt |
| Joint bolt | M8 |
| Ceramic disc Diameter | 20mm |
| Qty of ceramic discs | 2pcs |
| Capacitance | 1.5-1.7nf |
| Amplitude | 4 um |
| Application | Plastic welding machine |
Application:
Ultrasonic transducers mainly include: ultrasonic cleaning, industrial cleaning, industrial welding, and beauty products.
The following mainly describes the role of the ultrasonic transducer.
1, ultrasonic cleaning
The mechanism of ultrasonic cleaning is to use the physical effects such as cavitation, radiation pressure and sound flow when the ultrasonic wave propagates in the cleaning liquid, to peel off the mechanical phenomenon generated by the dirt on the cleaning member, and at the same time to promote the chemical reaction between the cleaning liquid and the dirt. Reaction, to achieve the purpose of cleaning the object. The frequency used by the ultrasonic cleaner can be selected from 10 to 500 kHz depending on the size and purpose of the cleaning object, and is generally 20 to 50 kHz. As the frequency of the ultrasonic transducer increases, a Langevin oscillator, a longitudinal vibrator, a thickness vibrator, and the like can be used. In terms of miniaturization, there are also radial vibrations and bending vibrations using a disk oscillator. Ultrasonic cleaning is used more and more widely in various industries, agriculture, household equipment, electronics, automotive, rubber, printing, aircraft, food, hospital and medical research.
2, ultrasonic welding
Ultrasonic welding has two major categories: ultrasonic metal welding and ultrasonic plastic welding. Among them, ultrasonic plastic welding technology has been widely used. It uses ultrasonic vibration generated by the transducer to transmit ultrasonic vibration energy to the weld zone through the upper weldment. Since the welding zone, that is, the sound resistance at the junction of the two weldments is large, local high temperature is generated to melt the plastic, and the welding work is completed under the contact pressure. Ultrasonic plastic welding facilitates 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.
20MM Diameter Ceramic 40Khz 200W Ultrasonic Welding Piezoelectric Transducer
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