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20Khz 2000w Ultrasonic Welding System For Mask Earloop Welding

20Khz 2000w Ultrasonic Welding System For Mask Earloop Welding

Ultrasonic Welding Tool 2000 Watt

Mask Earloop Ultrasonic Welding System

Ultrasonic Welding System 20Khz

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Mask Welding
Digital Type
Automatic Frequency Tracking
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Product Description

20Khz 2000w Ultrasonic welding system for mask earloop welding




Item Parameter
Frequency 20KHZ
Power 2000W
Horn size 110*20
Horn material Steel or Titanium alloy
weight 14.5kg




The ultrasonic mask welding machine uses high-frequency vibration waves to be transmitted to the surfaces of two objects to be welded. Under pressure, the surfaces of the two objects are rubbed against each other to form a fusion between the molecular layers.

Some indentations can be seen everywhere on the mask, such as the edges, ear straps, and exhalation valve are all ultrasonically welded. As shown in the figure above, in the production process of masks, we can intuitively understand the welding of all-plastic nose bridge, welding after hemming, breathing valve welding, multi-layer seam welding, and ear band welding. These are actually all made by ultrasonic welding process. Completed.

When the ultrasonic wave acts on the thermoplastic plastic contact surface, it will generate tens of thousands of high-frequency vibrations per second. This kind of high-frequency vibration with a certain amplitude will transmit the ultrasonic energy to the welding area through the upper weldment. Because the welding area is two The acoustic resistance at the welding interface is large, so local high temperature will be generated. In addition, due to the poor thermal conductivity of the plastic, it cannot be distributed in time for a while, and it gathers in the welding area, causing the contact surface of the two plastics to melt rapidly, and after a certain pressure is applied, they are fused into one.


Composition of ultrasonic mask welding machine


The ultrasonic generator converts the power current of 110VAC or 220VAC into high-frequency and high-voltage electrical signals.RPS-SONIC ultrasonic generator has the following advantages:

Lock the main resonance: All ultrasound systems have a main resonance (ideal working resonance), in addition, there will be a second (false) resonance. When the power is turned on, the RPS-SONIC ultrasonic generator will lock the primary resonance and ignore the secondary resonance.

Tracking the main resonance: During the ultrasound operation, the frequency of the main resonance may shift. As the temperature of the battery stack increases, the frequency may decrease (due to internal loss or heat transferred by the load), and the ultrasonic generator can automatically track the frequency shift and continue to work stably.

Automatically adjust the amplitude: RPS-SONIC ultrasonic generator can achieve the best control by controlling the output amplitude. The thickness of the welding material can be adjusted to ensure that the same welding can weld ordinary medical masks and KN95 professional masks.

The ultrasonic transducer uses the high-frequency electrical signal from the ultrasonic generator and converts it into linear mechanical motion. This conversion is performed by using piezoelectric ceramic disks, which expand when a voltage is applied. The transducer used for ultrasonic rubber cutting is specially designed, and air can be introduced and discharged in it for cooling.



Mask machine customization


At the same time, we can also customize various ultrasonic transducers according to customer needs to meet the needs of production. For more information on the customization of ultrasonic transducers, please see.

Hangzhou Jiazhen Ultrasonic Technology focuses on the development, design, and customized services of power ultrasonic transducers and related materials. The company has experienced ultrasonic transducer design engineers and many years of experience in new product development and design, and has passed the depth of research institutions The cooperation has formed a systematic and standardized technical system to ensure the quality of ultrasonic transducers/ultrasound probes in development, testing, performance calibration and stability.


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