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The overview of ultrasonic welding machine transducer part
Latest company news about The overview of ultrasonic welding machine transducer part

As a professional manufacturer of ultrasonic welding machine to remind friends, to buy the appropriate ultrasonic welding machine products, must have a certain understanding of it.

Now, we will introduce the overview of ultrasonic welding machine transducer part to our friends, we hope it can help you.

Transducer is combined by three parts: transducer, booster, and welding horn(we also call it horn or sonotrode).

Transducer: The function of the transducer is to convert the electric signal into mechanical vibration. There are two physical effects that can be applied to convert electrical signals into mechanical vibration signals. A: magnetostrictive effect. B: the inverse of the piezoelectric effect. Magnetostrictive effect is commonly used in early ultrasonic applications. Its advantage is that it has large power capacity. The disadvantage is that the low conversion efficiency, the production is difficult, and it is difficult to produce in large quantity. Since the invention of piezoelectric ceramic transducer by Paul Langevin, the application of piezoelectric effect inverse effect has been widely adopted. Piezoelectric ceramic transducer has the advantages of high conversion efficiency and mass production, and the disadvantage is that the production power capacity is small.

Piezoelectric ceramic transducer is commonly used in existing ultrasonic machines.The piezoelectric ceramic transducer is made by clamping the piezoelectric ceramic between two metal front and back load blocks through a screw.The normal output amplitude of a transducer is about 10μm.

Horn: The function of welding horn is to make specific plastic parts, which meet the requirements of plastic parts shape, processing range and so on.

Transducer, booster, welding horn are all designed by half-wavelength of the ultrasonic working frequency, so the size and the shape all need to be special designed. Any changes may lead to changes in the frequency and processing effects, which require professional production.Durability will vary according to the materials used and the size.

Materials suitable for ultrasonic transducers, amplitude-changing rods and welding heads include: titanium alloy, aluminum alloy, alloy steel, etc. Because ultrasonic waves are constantly vibrating at a high frequency of around 20KHZ, the material requirements are very high, which is not acceptable for ordinary materials.

Pub Time : 2021-03-18 13:32:15 >> News list
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