35K Plastic Ultrasonic Spot Welding Machine

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When using ultrasonic spot welding machine for welding, the processing conditions of plastic parts have a very important impact on the welding results, because plastic parts will obtain different welding results after different processing conditions and different welding processing forms such as injection molding, blow molding or extrusion. The specific effects are as follows:

1. Humidity defects

Humidity defects are more common in striped or loose plastic parts. During the welding process, humidity attenuates energy, breaks the seal, and increases the welding time, so the plastic parts must be dried before welding.

2. Injection molding process

The influence of injection molding process parameter adjustment on welding is as follows:

(1) Changes in the size of welded products

(2) The weight will change

(3) The surface is damaged

(4) The uniformity is not good

3. Recycle plastics

Recycled plastics have low strength and poor adaptability to ultrasonic welding. When welding using recycled plastic, special attention should be paid to the design dimensions.

4. Impurities in plastic parts

Plastic parts will generally be mixed with some silos or release agents, some are specially put in, some are accidentally mixed, which will affect the welding, although the Ultrasonic Welding Machine can remove impurities during processing, but it is recommended to remove as much as possible in the welding machine.