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Application principle of ultrasonic welding machine
Latest company news about Application principle of ultrasonic welding machine

1.Principle

The working principle of ultrasonic plastic welding machine: using ultrasonic vibration frequency, contact friction generates heat to melt and combine plastic. According to the current, it is 20,000 times per second (20 kHz) and 15,000 vibrations per second ( There are two kinds of special vibration frequencies, 15 kHz. Because of the limited space, only the two common fusions of 15 kHz and 20 kHz are introduced.

 

The method can be divided into direct welding and conduction two welding methods.

 

Direct welding: firstly make materials such as lines or belts overlap each other (eg, riveting, embedding, etc.), fixed on the ultrasonic plastic welding machine fixture, let its energy converter (HORN) directly generate sound vibration performance And welding.

Conductive welding: that is, when welding, it is separated from the ultrasonic vibration, and separated by a distance, and transmitted by its ultrasonic vibration (for example, plastic shell welding, etc.).

 

latest company news about Application principle of ultrasonic welding machine  0

2.Features

A. It can be welded to thermoplastic plastics other than Teflon.

 

B. The welding time is extremely short, usually ranging from 0.5 second to 1 second.

 

C. It can be welded to the joint surface via a medium such as water, oil or the like.

 

D, welding effect, up to practical level.

 

E, can be directly welded to conduction.

 

F. The welding energy of the material can vary depending on the plastic material, and it is not all the materials of the ultrasonic vibration. Only the appropriate surface vibration is selected to generate heat, so there is no concern about the surface of the product, which is the characteristic of conduction welding. When the hard plastic is welded, the welding effect can be more exerted.

 

G. Ultrasonic welding does not cause toxicity such as chemical agents, and is a safe welding process.

 

3. Application

Ultrasonic applications are extremely wide, and we are generally familiar with being used in medicine. In the industrial field, everyone can use their own products, or can find that ultrasonic is also within the scope of their own products, allowing ultrasound to improve your efficiency and quality. It will also be our common wish.

 

Its scope of application:

 

1, welding; 2, implanting; 3, forming; 4, riveting; 5, spot welding;

6, vibration (cut); 7, hot melt.

 

Except for the seventh item, which is the ultrasonic welding change, the rest are the main functions of the ultrasonic wave.

Pub Time : 2020-08-31 10:07:59 >> News list
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