Ultrasonic welding technology

Ultrasonic welding is a high-tech, and all hot-melt plastic products can be applied. No need to add solvents, pastes or other auxiliary products. Improve productivity, lower cost, improve product quality and production safety.

Principle of ultrasonic welder

Ultrasonic welding, which converts the mains AC (220-240V, 50/60Hz) into a high-frequency and high-voltage signal through the power supply box, and then converts the signal into a high-frequency mechanical vibration through the transducer system, which is added to the plastic product to make it High- speed friction occurs between the two parts of the plastic product, and the temperature rises. When the temperature reaches the melting point of the product itself, the interface of the product is melted rapidly, and the product is cooled and shaped under a certain pressure, thereby achieving perfect welding.

Ultrasonic electric box: (also known as generator)
It is used to drive the ultrasonic transducer to vibrate, and its power is transmitted to the transducer by generating a sinusoidal (or similar to sinusoidal) signal of a certain frequency.

Transducers: the "heart" of ultrasound equipment
It is the basis of ultrasonic generation. It converts electrical energy into mechanical energy (ultrasonic) devices. The most mature and reliable device is the piezoelectric effect to realize the mutual conversion of electrical energy and sound energy, called transducers.


1. Efficiency: Ultrasonic plastic welding has the characteristics of rapid heating and cooling, and can quickly complete the processing of plastics, thereby achieving efficient production.

2. Environmental protection: Ultrasonic plastic welding does not require the use of adhesives and other chemicals, and will not produce waste gas, waste water and waste residues and other pollutants, and has high environmental protection.

3. Good effect: Ultrasonic plastic welding can realize overall plastic welding, which can not only ensure the integrity and sealing of the product, but also improve the firmness of the product and make it more durable.

4. Low operating cost: The energy required for ultrasonic plastic welding is low, the operating cost is relatively low, and high economic benefits can be obtained in long-term use.

5. Wide range of applications: Ultrasonic plastic welding can be applied to the processing of various plastic materials, and has a wide range of applications, such as automobile industry, electrical industry, electronics industry, medical equipment and other fields.


Technical advantages

After 30 years of continuous exploration and research and development, we have now become a leader in the industry, with deep precipitation and advantages in ultrasonic welding technology. We have a technical research and development team of more than 30 people, who have rich experience and professional knowledge, and can provide customers with the best technical support and service.

Manufacturing strength

We have 104 sets of CNC processing equipment and production assembly lines, which can meet the needs of a large number of orders, and ensure the yield and delivery time. Our production equipment and technology can meet the needs of different industries and industries. We have experience in the production of various materials and products, and can customize products of different specifications according to the needs of customers. Our production process has passed strict quality control to ensure that every link of the product meets the requirements of customers and relevant national standards.


Ultrasonic welding supporting equipment

Our ultrasonic welding technology is used in many industries. We have our own diversified ultrasonic welding supporting equipment for different needs, such as automatic film roll machine, welding ultrasonic head fixture, LA2000 horizontal nozzle vibrating machine, ultrasonic automatic turntable machine , rotary friction welding machine, hot-melt welding machine, ultrasonic sound insulation cover, etc. These are our advantages. We can provide customers with the best service and have great market potential.

Medical equipment

Ultrasonic welding can be used in the medical industry for the manufacture of a variety of medical devices and equipment. Ultrasonic welding allows for greater precision and reliability and does not require the use of any adhesives or chemical solvents, making medical devices safer and more environmentally friendly.

Electronics & Telecommunications

Ultrasonic welding is widely used in the manufacture of electronic products. Ultrasonic welding does not require the use of welding materials and does not produce waste gas, waste water or harmful substances, which meets the requirements of environmental protection; ultrasonic welding is fast and can be automated and mass produced, and can weld a variety of materials such as metals, ceramics, plastics, etc.

Auto parts

In automotive manufacturing, ultrasonic welding is widely used in the production of airbags, instrument panels, windshields and lights and other parts. This welding method can not only improve the work efficiency, but also reduce the production cost and improve the production quality.

Printing consumables

In the Printing consumables industry, ultrasonic welding technology can realize the processing of tiny weld seams and high-precision component welding, which improves the manufacturing accuracy and quality of products, and at the same time achieves fast, firm, pollution-free and wear-resistant welding effects, and can realize large Batch and efficient production

Household appliances

Ultrasonic welding technology is also widely used in the field of household appliances to connect signals between different integrated circuit chips, thereby reducing the weight and volume of circuit boards and improving product performance and reliability. Used for welding between different materials, such as composite materials of plastic and metal, so as to realize the multifunctionality and high efficiency of the product.

Packaging industry

Ultrasonic welding technology is used in the sealing part of food packaging. Welding membrane material on prefabricated cups and boxes ensures food freshness and hygiene. This technology ensures a tight bond between the sealing part and the food packaging material, thereby preventing the leakage of ingredients such as moisture or oil in the food.

Office stationery

Ultrasonic welding technology can be used in the manufacture of folders, which can make the folders stronger, less prone to deformation after long- term use, and neat and beautiful. After the file folder uses ultrasonic welding technology, its internal structure is more stable and there are no obvious seams, which makes the organization of materials more convenient.

Non-woven fabric

Ultrasonic welding technology can be used to manufacture some parts in medical protective clothing. This technology can ensure a tight bond between these parts and fabrics, thereby improving the protection effect of the entire product. For the manufacture of non-woven fabric bags can use this technology for seamless connection. The strength and durability of these joints is very high, which ensures that the bag is structurally sound and reduces wear and tear from repeated use.

Cleaning industry

Ultrasonic plastic welding technology can manufacture high-quality cleaning equipment, which need to work under high temperature and pressure, and also need to withstand the corrosion of various chemical substances. Ultrasonic plastic welding technology can ensure the sealing and corrosion resistance of the equipment, thereby ensuring the safety and reliability of the equipment.


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