A question about Ultrasonic cleaners and operating frequencies

thescoutranch

TN Transplant - Loving TX, Just the way I found it
Mar 5, 2020
674
93
Georgetown
I’ve been looking at getting an ultrasonic cleaner for cleaning firearms, auto parts, brass and other things. I am a bit confused on the operating frequencies the different ultrasonic cleaner‘s operate at.
It seems like most of the ones from Hornaday, Lyman etc. run about 35 kHz. In talking to one ultrasonic company they said the sweet spot is around 40 kHz. The one I was looking at that is big enough to fit my needs, runs at 28 kHz.

What I gathered was the lower the frequency the more course cleaning it does; where the higher frequencies can get the cavitation bubbles in the tighter places. I also gathered that the lower the frequency the larger the bubbles and less there are of them. The higher the frequency the smaller the bubbles are and more of them.
I might just getting lost in the minutia of the details or is there a significant difference between 28 kHz and 35 kHz in the way it cleans.
Will the lower frequencies possibly harm a firearm? Or its finish?
Do number of transducers make a difference?
Are 10 transducers better than four or do they just size the transducers for the number they use?

Thanks,
Epp
Thescoutranch
 

RePete

New Member
Oct 15, 2020
17
3
God's Country
I'm using a Hornady Sonic (older) with the Lyman Steel solution and my gun come out clean. A bit of brushing on the feed ramp of metal guns and barrels with a bronze brush and a nylon brush on plastic frames.

Other that I could use a larger one, I'm very happy with my purchase.
 

RePete

New Member
Oct 15, 2020
17
3
God's Country
I'm using a Hornady Sonic (older) with the Lyman Steel solution and my gun come out clean. A bit of brushing on the feed ramp of metal guns and barrels with a bronze brush and a nylon brush on plastic frames.

Other that I could use a larger one, I'm very happy with my purchase.

I must change what I said in the above post.

The Hornady died on the 03 June, I was urinated off. Hornady have 3, 2 of which are too small (smaller than the old unit) and a larger one that will take a 16" AR upper, nice but too large for me.

I ended up getting a Lyman TurboSonic 6000. So far it works well.
 

ZX9RCAM

Over the Rainbow bridge...
TGT Supporter
Lifetime Member
May 14, 2008
47,773
113
The Woodlands, Tx.
While waiting for replies, there are multiple threads on the subject you can look at.
I have no idea if they answer your question.
 

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