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28mm 30khz Ultrasonic Power Transducer Longitudinal Torsional Vibration

28mm 30khz Ultrasonic Power Transducer Longitudinal Torsional Vibration

ultrasonic piezoelectric transducer

high frequency ultrasonic transducer

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One Year
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Product Description

28mm 30khz Ultrasonic welding transducer for longitudinal-torsional vibration




Item Frequency Impedance Capacitance
3028-4Z 30khz 6 6000pf



1. Every transducer with a only tracking number, you can check the parameter from our saler no matter how long it passed.

2. All transducer with one year warranty.

3. Specialized in ultrasound for more than ten years

4. Every transducer with 24hours old testing before shipment.

5. Good packing, no packing problem during the 10 years exporting business.

6. Every customer will get purchase records and there are certain rewards after accumulation




In many cases , the transducer is followed by a metallic booster whichensures a displacement amplification, due to its special shape (conical .exponential or catenoidal). Then, a simple metallic cylinder, the length ofwhich is an integer number of half wavelengths, transfers the acoustic? energy to the workpiece. Sometimes, coupling devices with special shapesare used, for example to modify the vibration direction , to sumup the acoustic power from several transducers or to transferthe acoustic power from one transducer to several tools . Thefixing of the transducer or any acoustic components to the machine body isensured by different types of bearings, which are placed in nodal zones, sothat no disturbance is created.


The design of such transducers has generally been carried out usingequivalent electrical circuitsand this method has allowed aclass1cal analysis of power problems . However, thisapproach does not take account of the distributed nature of inertia andstiffness and, in most cases, it provides accurate results only if it isused as an empirical method, the values of the lumped electrical componentsbeing deduced from measurements. To overcome this problem and to describecorrectly the acoustic wave propagation in these structures, the transfermatrix approach has been used for a long time and is generallysufficient for quantitative analyses and forecasts .Nevertheless it is restricted to plane wave propagation and must be given up when more complex s truc ture geometries or displacement fields areconcerned . This is the case for actually three di mensional s truc tures(special coupling devices... for structures wi th lateral dimensions equalto or larger than one quarter of a wavelength, for structures with rapidvariations of their crosS section, or when complex motions (flexural orradial motions) occur . Then, only the finite element method is able toprovide an efficient help to the designer.


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Service and shipment

  • Warranty one year for transducer.
  • You can contact us for technical inquiry any time.
  • We supply OEM service for oversea customer, also will keep Confidentiality for our customers.
  • We supply customized products service for small quantity also.
  • Shipment by FED-EX /DHL/UPS/TNT



1. steady welding point, completely eradicate insufficient solder technically.

2. the size of welding spots is the same, equality line, good effect on uniformity

3. the welding spot is small, wouldn’t increase the weight of the coil, easy to do lamination and encapsulation

4. to leave out the immersion tin step before doing welding ,save an operator.

5. after skilled in welding, much faster than the way to use searing iron to do weld.

6. on the process on manufacturer, there is no waste gas, waste rubbish on pollution, runs in quiet and no noise.

7. to select the the frequency 60KHz, one machine could drive 5-10 ultrasonic products, the speed to do welding is much faster.

8. low power consumption, to save production cost for manufacturer enterprise.

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