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2540-4D M8 Ultrasonic Welding Transducer 40khz

Description: Ultrasonic device consists of ultrasonic transducer, booster and work horn. The transducer is an energy converter, which can converted the high frequency, high power current, output of power supply into reciprocating mechanical energy of the ultrasonic vibration, the vibration...

Product Details

2540-4D M8 Ultrasonic Welding Transducer 40khz

Introduction :

Ultrasonic processing transducer stack is an industrial technique whereby high-frequency ultrasonic acoustic vibrations are locally applied to workpieces being held together under pressure to create a solid-state weld. It is commonly used for plastics, and especially for joining dissimilar materials,embossing etc. In ultrasonic welding, there are no connective bolts,nails,soldering materials, or adhesives necessary to bind the materials together.






Output power


Joint bolt


Ceramic disc Diameter

25 mm

Quantity of Ceramic discs

2 pcs






  The applications of ultrasound are extensive and are found in many industries including electrical and computer,automotive and aerospace, medical and packaging. Whether two items can be ultrasonically welded is determined by their thickness. If they are too thick ,this process will not join them. This is the main obstacle in the welding of metals. However, wires,microcircuit connections,sheet metal,foils,ribbons and meshes are often joined using ultrasonic welding. Ultrasonic welding is a very popular technique for bonding thermoplastics. It is fast and easily automated with weld times often below one second and there is no ventilation system required to remove heat or exhaust.



CE Certification:




Shipping Port:Shanghai

Shipping Term:By express,by air,by ocean and so on.

Leading Time:Quick production leading time and fast delivery.Usually 1-3days if we have in stock.







Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample and it's not free.

Q:could you make it according to our special requirements?

A:Of course,we can do .Please tell us you idea or your application.

Q:What is Piezoelectric Effect?

A:There are certain materials that generate electric potential or voltage when mechanical strain is applied to them or conversely when the voltage is applied to them, they tend to change the dimensions along certain plane. This effect is called as the piezoelectric effect. 

Q:What is an amplitude?

A:The amplitude is the movement of the weld tool, and more specifically, the deflection at which the stack expands and contracts – between 5 and 50 µm. As comparison: The diameter of a human hair is only 100 µm. The frequency is the number of oscillations per second. . 35 kHz equal 35.000 movements per second.

Q:What is the relation between size of transducer and the frequency?

A:The higher frequency, the smaller size of transducer and the power will be lower.

Q:What is the importance of frequency matching?

A:Frequency matching is also very important. This is first because the ultrasonic transducer can only work at its resonant frequency, so the drive power, ultrasonic horn, welding die (tool head) should all work at this frequency.

Q:What should i do if i need the transducer works continually?

A:The overheating will cause permanent damage, so the cooling will be very important.We usually inlet cooling air or install a cooling fan above the transducer.Do not let the transducer work on a hot environment.

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