Ultrasonic cleaners, Anyone use them, have one |
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Ultrasonic cleaners, Anyone use them, have one |
r_towle |
Mar 19 2008, 04:25 PM
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#1
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Custom Member Group: Members Posts: 24,591 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
Most importantly.
Does anyone know how to make an ultrasonic cleaner? Is it just vibration, or does the vibrating motor need to be tuned to a specific frequency. If I use an old hand drill with a concentric hub on it, and a variable speed power supply, can I get it to the correct frequency? If I can, how will I know I am at the correct frequency? Rich |
Katmanken |
Mar 22 2008, 10:31 AM
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#2
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
And the world of ultrasonics begins at the point where you can't hear it anymore- at about 20,000 -22,000 hz. A hertz is vibrations per second.
A motor rotates at RPM's or rotations per MINUTE. So an arm on your 20,000 rpm motor is going to repeatedly make a splash at... 20,000/60 = 333 hz........ or 333 vibrations per second. That's above "base" notes on yer stereo (20-60 hz) but far far away away from ultrasonic. Maybe ya want a cheap sonic (333 hz) vibrating tank. Or a monster stereo system tuned to the highest frequencies to hit the very bottom notes in the ultrasonic realm. Ken |
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