What should be considered when using ultrasonic transducers?

The use of ultrasonic transducers offers many advantages, including process reliability and repeatability, lower energy consumption than other joining technologies, material savings (since no consumables such as adhesive or mechanical fasteners are required), and labor savings. To get more details about the ultrasonic transducers, please read the following words.

What are the classifications of ultrasonic transducers?

What should be considered when using ultrasonic transducers?

What is the physics of ultrasonic transducers?

What are the classifications of ultrasonic transducers?

Due to different processing methods and requirements, the working methods of ultrasonic transducers can be roughly divided into continuous work (e.g. mask body welding machine,paper cup welding machine) and impulse work (e.g. plastic welding machines). The requirements are different. In general, continuous work has almost no break time, but the workflow is not very large, and pulsed work is intermittent with breaks, but the instantaneous current is very large. On average, the power of both states is great.

What should be considered when using ultrasonic transducers?

The main consideration when using ultrasonic transducers is the adaptation to the input and output terminals, followed by the mechanical installation and adjustment of the dimensions. The frequency of the converter is relatively intuitive. Frequency refers to the frequency generated by the transmission line method using a frequency (functional) generator, millivoltmeter, oscilloscope, etc. The frequency measured with a network impedance analyzer and other similar instruments is commonly known as small signal frequency. This corresponds to the power-on frequency, i.e. the actual operating frequency measured when the customer connects the ultrasonic transducers to the chassis via a cable and is switched on without load or with load. Due to the different customization circuits of customers, the same ultrasonic transducers show different frequencies in different drive power supplies (electric boxes), and such frequencies cannot be used as a basis for communication discussions.

What is the physics of ultrasonic transducers?

Ultrasonic transducers are one of the most important parts of ultrasonic technology and the fastest growing branch of transducers. Ultrasonic converters are devices for energy conversion, which are devices that convert one form of energy into another form of energy, which can realize the mutual conversion between electrical energy and sound energy. In the emitting state, ultrasonic transducers convert electrical energy into mechanical energy and then into sound energy. The electrical vibration signal sent from the output stage of the excitation current supply causes the change of the electric field or magnetic field in the electrical energy storage element in the transducer. The driving force puts it into a state of vibration, causing the medium to vibrate in contact with the mechanical vibration system of the transducer and emitting sound waves into the medium. When ultrasonic transducers are in the receiving state, the sound energy is converted into mechanical energy and then into electrical energy.

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