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Project background: I am working on a project where i need to weld plastic using ultrasonic transducers.

Problem: Since I'm still learning engineering, I have a hard time figuring out what all the factors are in order to choose the right transducer.

What I've done so far: I have searched the internet to find information regarding this subject, but due to (what seems to me) the wide area of knowledge needed, I haven't found anything that I properly can comprehend.

Question:

Basically: What do I need to take into account when choosing a transducer?

Not-so-basically: I suspect that the properties of the material certainly affects the welding process, so here comes a sidequestion: what properties of the material do I need to know in order to calculate/decide which transducer to use?

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  • $\begingroup$ Welcome to engineering SE. Can you please add all the research work you have done so far. This will help the community to provide you with a good answer. $\endgroup$ – Mahendra Gunawardena Apr 15 '15 at 22:59
  • $\begingroup$ @MahendraGunawardena thank you. What exactly do you mean by adding? could you elaborate? I am a little bit confused now. $\endgroup$ – vaid Apr 15 '15 at 23:02
  • $\begingroup$ High quality question will result in a high quality response. Here is a link to guide you. engineering.stackexchange.com/help/how-to-ask. and this link meta.engineering.stackexchange.com/questions/264/…... High quality question will attract your the attention, thus will result in high quality response. Example Question with 3K view: engineering.stackexchange.com/questions/1926/… $\endgroup$ – Mahendra Gunawardena Apr 15 '15 at 23:12
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    $\begingroup$ @MahendraGunawardena not really actually, except of a couple of other unanswered questions and some wikipedia articles. Thank you again. I appreciate your guidance. $\endgroup$ – vaid Apr 15 '15 at 23:44
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    $\begingroup$ I'm downvoting because I think that you should ask an ultrasonic welder vendor, not Engineering SE. If you discuss your exact application (dimensions, materials, etc) with a vendor, they would be delighted to recommend something to you. Don't make the mistake of thinking that because you are a student you cannot call up companies and ask them for engineering advice about their products. $\endgroup$ – regdoug Apr 17 '15 at 22:14