Use ultrasonic welding to do these points

Nowadays, with the wide application of ultrasonic welding machine in industrial production, its importance gradually appears. It can be said that the current industrial production is inseparable from ultrasonic welding machine. Ultrasonic welding machines are so widely used. There are various problems in this process. Today, Weihai Walter will share with you the precautions when using the ultrasonic welding machine.

1   connection area and distance are required

The welding contact area between two weldments must meet the welding requirements and shall not be too large or too small. The contacts are too small to be welded, strong and easy to break. If the contact is too large, the welding energy will be dispersed, the welding strength is insufficient, and even welding is impossible at all. In addition, the longer the longitudinal propagation distance of ultrasonic, the greater the energy loss, so the welding distance can be controlled.

2   keep the output power of the machine constant

In order to ensure that the output power of the ultrasonic welding machine is constant, it can not be high or low, which will have an adverse impact on the weldment.

3   the thermal resistance of the weldment is higher than the melting point

Ultrasonic waves propagate through weldments in solids. When it passes between two weldments, it belongs to air. Ultrasonic waves travel more in the air than solids. The louder the sound, the higher the heat generated. Therefore, the temperature of the contact part of the two weldments is high, and the melting point is reached first. When the weldment propagates internally, the sound resistance is small, the temperature is relatively low, and the melting point is not high.

4   welded between two Weldments

Some Weldments of different materials cannot be welded. For the same material, it can be welded in theory, but the problem is that it is not suitable for ultrasonic welding when the melting point of the weldment is higher than 350 ℃. This is because ultrasonic welding uses instantaneous energy to melt molecules. This moment cannot exceed 3 seconds. If the welding is not good within 3 seconds, it is not suitable. Therefore, be careful when selecting weldments.

5   importance of welding head

The production of welding head can only be completed through a set of strict procedures. This is not a small workshop that can be completed, so do not buy welded joints from small manufacturers, otherwise the welding will be poor.

Have you done the above 5 points in the process of using ultrasonic welding machine?