Clint, At MPG Repair we repair all jewelry equipment and sell new and
used equipment. So from working on ultrasonics I can tell you, you
won’t find a site or plans on building them. It’s not as easy as you
would think. There is a lot of science involved.
If you look back in the archives you will see this has been
addressed several times already. Your biggest problem will be the
transducers. What kind do you want? How many do you want? If you
don’t know the answer to these questions you can’t build a circuit.
Buying one or two transducers will cost several hundred dollars
each. The only way to buy transducers inexpensively is to buy
thousands at a time. So unless you plan on building them in mass
quantities you won’t be able to build one very cheap.
The transducers also can’t be used right away when they are bought.
See the archives for why.
When buying an ultrasonic don’t buy based on price alone. Some of
the least expensive ones are also the worst on the market. The most
important factors when buying an ultrasonic are Action, Warranty and
then Price. There are several brands that would suit anyones need in
the industry. Look for these brands.
Sonix IV/Gem Oro - same machine made by Sonix IV
Healthsonics - They make many of the units in use in this industry
and in the dental industry under different names. The unit all look
the same but may have different colors.
Crest Ultrasonics - Not usually sold in this industry.
Sonicor - Again not usually sold in this industry.
The next thing I say will upset many people that sell these units
but they all know how I feel about the brand anyway.
Unless you are a manufacturer needing to run thousands of parts a
day through a sonic or are a very small producer that runs the sonic
a few times a week stay away from the Elma brand.
The more expensive Elma line is very aggressive and will literally
destroy it’s tank in as little as 3 months. After servicing these
units for 10+ years on a daily basis they have proven to be more
hassle than they are worth.
If you use the sonic a couple times a week you shouldn’t have this
problem. If you are a large manufacturer you have the money to buy
several of these machines so you always have at least one working.
The lower cost line of Elmas are okay but the 3 qt. unit should have
a second transducer to get the proper amount of action throughout
There are several other brands on the market that are sold in the
jewelry industry but I wouldn’t recommend them.
Also when buying a sonic look at the warranty. This will tell you a
lot about how confident the manufacturer is about their machines. A
longer warranty means you know it’s going to last. A short warranty
(1 - 2 yrs.) means the manufacturer knows the machine won’t last
much longer than that if that long.
I apologize to Dale and Mike now because I know how you feel about
the Elmas and we both know we don’t agree.
One last thing.
For more info on ultrasonics visit our web site at
http://www.mpgrepair.com and look on the first page for a link to
’Tech Notes’ follow this to download a free copy of our ‘Do’s and
Don’ts’ for ultrasonics. It is in Adobe Acrobat format and you MUST
have the latest version of Acrobat Reader to view it. To get the
latest version download it Free from Abode’s web site.
If or anyone has any questions about ultrasonics or other equipment
please feel free to email or call me.