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Several problems need to be paid attention to when using ultrasonic welding machine
Latest company news about Several problems need to be paid attention to when using ultrasonic welding machine

Nowadays, with the widespread use of ultrasonic welding machines in industrial production, its importance has gradually emerged. It can be said that ultrasonic welding machines are inseparable from industrial production now. Ultrasonic welding machines are so widely used and in use. Various problems appeared in the process. Today, our company will share with you what should be paid attention to when using the ultrasonic welding machine.

1. There are requirements for connection area and distance
The welding contact area between the two weldments must meet the welding requirements, not too large or too small. If the contact is too small, the welding will not be strong, and it is easy to break. If the contact is too large, the welding energy will be dispersed, the welding strength will be insufficient, or even the welding together will not be possible. In addition, the ultrasonic wave propagates longitudinally, and the longer the distance, the more energy loss, so the welding distance must be controlled.

2. Keep the output power of the ultrasonic machine constant
It is necessary to ensure that the output power of the ultrasonic welding machine is constant when it is working, and it should not be high and low, which will have a bad effect on the weldment.

3. The thermal resistance of the weldment is higher than its melting point
Ultrasonic waves propagate in a solid through a weldment, and propagate in the air when passing between two weldments. The acoustic resistance of an ultrasonic wave propagating in the air is greater than in a solid, and the greater the acoustic resistance, the higher the heat generated. Therefore, the temperature in the contact part of the two weldments is higher and reaches the melting point first, while the acoustic resistance is small when the weldment is propagated inside, and the temperature is relatively low, and it will not reach the melting point.


4. The two plastic weldments must be weldable
Some weldments of different materials cannot be welded. The same material can be welded theoretically, but there is a problem that when the melting point of the weldment is higher than 350 degrees Celsius, ultrasonic welding is not suitable. This is because ultrasonic welding uses instantaneous energy to melt molecules. This instant should not exceed 3 seconds. If the welding fails within 3 seconds, it means it is not suitable. So pay attention when choosing weldments.


5. The importance of ultrasonic molds
The production of welding heads must go through a set of rigorous procedures. This cannot be done by ordinary small workshops, so do not buy ultrasonic molds from small manufacturers, which will prevent you from welding well.


In the process of using the ultrasonic welding machine, the above points should be paid special attention, which can help you use the ultrasonic welding machine better.

latest company news about Several problems need to be paid attention to when using ultrasonic welding machine  0

Pub Time : 2020-11-20 09:50:36 >> News list
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