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Vibration excitation with electromagnet

A

acoustic67

Mechanical
Jan 3, 2025
4
Hello dear community

I m searching a solution to excite the vibration of a steel plate without contact. My idea was to use a kind of electromagnet and send a white/pink noise to generate vibration in the plate but i don't know really which one to buy for this project. The plate (30cm x 30cm) is in metal 0.001mm supported on the 4 sides. Do you have any idea or other proposals, please?
I thank you very much for your help!
 
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GregLocock said:
Hmm, in the reverse case we use capacitance not magnetism. It'll be very easy to damage your foil.
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Thank for your reply. I made a mistake in the thickness. It s 1mm and not 0.001mm.
So do you think electromagnet could work and which one?
 
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Ah, yes I thought the thickness was a bit exotic. Sorry, i literally have no idea how to spec an electromagnet for that job. It rather depends on what you need it to do.
 
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What are the requirements? Frequency, amplitude, etc.? Can't really expect any serious design solution without requirements.
 
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IRstuff said:
What are the requirements? Frequency, amplitude, etc.? Can't really expect any serious design solution without requirements.
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I think a frequency range from 10 to 1000Hz, and amplitude just enough to excite the modes of the plates.
 
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