Ultrasonic welding transducer is also called ultrasonic vibrator, and the whole body after connecting the transducer with the horn is called vibrator. It refers to a device that realizes the mutual conversion of electrical energy and mechanical energy (acoustic vibration) by the piezoelectric effect of piezoelectric ceramics, and amplifies through the front and rear radiation cover blocks matched with acoustic impedance.
Because the horn is a passive device, it does not generate vibration itself, but only transmits the input vibration after changing the amplitude, completing the impedance transformation.
The ultrasonic transducer can produce regular vibration under the excitation of electric field, but the amplitude is generally 10 μ M, such amplitude is not enough to directly complete the welding and processing procedures.
Therefore, after the transducer is connected to a reasonably designed horn, the amplitude of the ultrasonic wave can vary in a large range. As long as the material strength is sufficient, the amplitude can exceed 100 μ m。
| Type | Full-length(mm) | Joint Bolt(mm) | Frequency(KHz) | Resonance Impedance(Ω) | Capacity(pF) | Input Power (W) |
| PLS-HJHNQ152600 | 153 | M20×1.5 | 15 | 15 | 13000 | 2600 |
| PLS-HJHNQ152000 | 167 | M20×1.5 | 15 | 10 | 9500 | 2000 |
| PLS-HJHNQ202000 | 128 | M18×1 | 20 | 10 | 11000 | 2000 |
| PLS-HJHNQ30500 | 77 | M10×1.5 | 30 | 5 | 5500 | 500 |
| PLS-HJHNQ28200 | 92.1 | M10×1 | 28 | 20 | 3000 | 200 |
| PLS-HJHNQ28100 | 91 | M8×1 | 28 | 25 | 2200 | 100 |
| PLS-HJHNQ28250 | 94 | 1/2-20 UNF | 28 | 20 | 4000 | 250 |
| PLS-HJHNQ202000 | 128 | 1/2-20 UNF | 20 | 10 | 20000 | 2000 |
| PLS-HJHNQ201500 | 124 | 1/2-20 UNF | 20 | 10 | 16000 | 1500 |
| PLS-HJHNQ38100 | 66 | M8×1.25 | 38 | 40 | 1200 | 100 |
| PLS-HJHNQ38200 | 65 | M8×1 | 38 | 14 | 3300 | 200 |
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