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FAQ for ultrasonic knowledge

  • Q 19.Can the frequency of ultrasonic welding machine be adjusted?

    A No, the frequency of ultrasonic welding machine is fixed and can not be adjusted. When purchasing, it is necessary to select the right ultrasonic welding machine.
  • Q 18.Can 3D printed plastic parts be welded y ultrasonic machine?

    A
    No, 3D printed plastic parts have sonic impedance, so it cannot transmit ultrasonic well.
  • Q 17.How to slove the problem when the ultrasonic vibrator is damping

    A You can check the plug connected to the transducer with a megger. Check the insulation resistance value to judge the basic situation. Generally, the insulation resistance is greater than 5 megohms. If the insulation resistance value is not reached, the transducer is generally damp. To dry the  transducer by hair dryer to remove moisture. 
  • Q 16.What's the difference between steel rear cover transducer and rubber rear cover transducer?

    A Rubber back cover transducer can prevent static electricity, reduce wear and tear during use.
  • Q 15.How long does it take for ultrasonic welding?

    A Due to the different types of materials and the shape of products, the welding time usually takes only 0.2 seconds. Too long time will cause excessive welding and produce a large number of flash and bubbles, resulting in poor air tightness.
  • Q 14.what to do when the transducer vibrator is sparking

    A It means the ceramic material is broken, and it can be combined with the naked eye and the megger. You need change the damaged ultrasonic vibrator.
  • Q 13.Does all plastic suit for ultrasonic welding/cutting?

    A No,Thermosetting plastic, fireproof plastic is not suit for ultrasonic welding/cutting.
  • Q 12.Can I make an ultrasonic horn depending on my old horn myself ?

    A no, different material, and dimension will change horn frequency.We have to producing ultrasonic horn through Professional manufacturer.
  • Q 11.Will ultrasonic welding be damage to the product?

    A It mey be damage to the horn direct contacting part and weaker part. We need to use Precision welding generator.
  • Q 10. Can ultrasonic welding plastic on metal?

    A Yes, ultrasonic can welding plastic on metal by Rivet welding

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