Good Sealing Effect Portable Ultrasonic PP PE Woven Film Sealing Welding Cutting Machine
Ultrasonic PP Woven Film Welding Cutting PP Woven Bag Sealing
Every ultrasonic unit contains the following five elements:
1. A Generator: which takes line power at 50 or 60 cycles and changes it to high ultrasonic frequency at 20,000 cycles per second or even higher.
2. A Converter which contains piezoelectric crystals which change the incoming high frequency electrical signal to mechanical vibration.
3. A Booster: which transmits the vibration energy and serves to increase its amplitude in much the same way as volume control on a radio.
4. A Horn: which delivers the vibration energy to the plastic film or fabric to be worked on.
The ultrasonic vibration is transmitted from the horn to the material. developing frictional heat where they touch. This momentary heat fuses the edges of the fabric. If double plies are present, the plies join together. Where a cutting edge is used on the anvil, the fabric is cut through and the edges sealed at the same time.
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