astra Posted February 22, 2007 Report Share Posted February 22, 2007 hi every bodybefor one week i see machine to clean the gold it consists of stanlesstel tankinside it water and heter to heat the water and powder cleaners when the manmake it ON its start work and the gold become very clean and and he said it workby ULTRASONIC I know how can generate ULTRASONIC but i dont know whatthe devise to change the frequancy to mecanical waves effect in the water andmake it vibration its good if the answere containe a circuits thanks and sorry for the long post Quote Link to comment Share on other sites More sharing options...
audioguru Posted February 22, 2007 Report Share Posted February 22, 2007 An ultrasonic transducer is usually piezo. Quote Link to comment Share on other sites More sharing options...
astra Posted February 22, 2007 Author Report Share Posted February 22, 2007 thanks could some one explane more Quote Link to comment Share on other sites More sharing options...
audioguru Posted February 22, 2007 Report Share Posted February 22, 2007 A piezo transducer is a ceramic disc with a thin metal layer on each side. It bends when electricity is placed across it. If an ultrasonic signal with a frequency close to its resonant frequency is placed across it then it vibrates strongly.Look in Google for Piezo Theory. Quote Link to comment Share on other sites More sharing options...
astra Posted February 24, 2007 Author Report Share Posted February 24, 2007 thank you audioguru for this information and waiting any body else have drwing inside this machinespecialy the vipration part and i well serching in google Quote Link to comment Share on other sites More sharing options...
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