My version of an Ultrasonic Record Cleaner - Page 29 - diyAudio
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Old 4th March 2013, 09:25 PM   #281
Bibio is offline Bibio  Scotland
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Quote:
Originally Posted by bbftx View Post
Hi Ketchup and Bibio (awesome user names by the way), stuff..
Thanks :-)

i personally was not wanting to build one from scratch. i'm more interested in buying one but changing the shape of the tank but keeping the volume the same. lets say taking one of the smaller hight ones and making it taller/narrower/longer.

lets say i get a USC that is not quite wide enough to accommodate the submersion of the playing surface of the record. i would simply cut the sides and ends off then narrow it and make it longer and taller but keep the transducers the same.

i have access (a very very good friend) to a Stainless Steel fabricating workshop who specialise in making all kinds of boxes mainly for the catering/drainage industry so will be watertight.

btw. most records are made from virgin PVC so are 100% PVC so usually wont contain such things as plasticisers etc.etc.

Oil/Chemical resistance
PVC is resistant to acid, alkali and almost all inorganic chemicals. Although PVC swells or dissolves in aromatic hydrocarbons, ketones, and cyclic ethers, PVC is hard to dissolve in other organic solvents. PVC's Physical Properties - PVC
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Old 4th March 2013, 09:51 PM   #282
andyr is offline andyr  Australia
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As a slight diversion from the main topic - ultrasonic RCMs - I have heard ozone is used to clean things in the catering industry.

Would a pressured (not sure how high a pressure!) delivery of ozone be any good for cleaning LPs?

Thanks,

Andy
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Old 4th March 2013, 09:55 PM   #283
Pano is offline Pano  United States
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Originally Posted by bcarso View Post
I'm looking for a strategy that obviates the need to move the record.
Be careful with that. Read earlier in the thread about warping.
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Old 4th March 2013, 10:02 PM   #284
bcarso is offline bcarso  United States
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Quote:
Originally Posted by andyr View Post
As a slight diversion from the main topic - ultrasonic RCMs - I have heard ozone is used to clean things in the catering industry.

Would a pressured (not sure how high a pressure!) delivery of ozone be any good for cleaning LPs?

Thanks,

Andy
Ozone is a very powerful oxidizing agent. I used to love the smell, associated with electric arcs, and it is probably not all that bad for one in limited exposures --- the association with photochemical smog is not so much because of the deleterious effects of O3 but more it being an easier substance to measure, and from its levels infer the presence of some decidedly worse things like N2O5.

I'm not a chemist, despite some friends' allegations from long ago but ozone sounds inefficacious here.
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Old 4th March 2013, 10:04 PM   #285
bcarso is offline bcarso  United States
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Originally Posted by Pano View Post
Be careful with that. Read earlier in the thread about warping.
No I've abandoned the idea after the issue of protecting the label came up. Possibly a combination of approaches could have some conceivable advantage, like finding the resonant frequency of a particularly stubborn dirt clod, but probably that should be addressed with some other intervention.
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Old 4th March 2013, 11:31 PM   #286
SY is offline SY  United States
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Quote:
Originally Posted by Bibio View Post

btw. most records are made from virgin PVC so are 100% PVC so usually wont contain such things as plasticisers etc.etc.
What "virgin" means in this context is "no regrind added." You know for a fact that records can't be 100% PVC because they're black!

The PVC compounds used for records have very high levels of lubricants and plasticizers, otherwise you couldn't press them or get them out of the mold, much less play them.
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Old 5th March 2013, 12:33 AM   #287
jpak is offline jpak  United States
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Quote:
Originally Posted by bbftx View Post
Greetings,
Attached is a parts list for Version 2 of my Ultrasonic Record Cleaning (URC) system.
The is an economical and sturdy setup to clean vinyl LPs using ultrasonic cleansing action.
Doing a quick add-up of the costs, it looks like I spent about $115 for parts, above and beyond the cost of the ultrasonic cleaner.
Adding the pump and filter detailed earlier in this thread adds about $50 in parts cost.

I'm happy to answer any additional questions about the setup.

Cheers,
B B
Sorry if it's been asked already, but how do you dry the LPs?
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Old 5th March 2013, 12:37 AM   #288
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A simple dish rack will do the trick. Use one with the vertical wire separators and you are there. Otherwise put them in the dishwasher and use the dry cycle, just kidding there! The small amount of water alcohol mix will dry fairly quickly from the part that is still wet.
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Old 5th March 2013, 06:26 AM   #289
andyr is offline andyr  Australia
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Originally Posted by jpak View Post
Sorry if it's been asked already, but how do you dry the LPs?
The vacuum suction delivered by a slot-suction RCM such as a Nitty Gritty - take your pic. (You just don't need the clean cycle, as the ultrasonic cleaner has replaced that.)

Air drying, IMO, is for the birds!


Regards,

Andy
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Old 5th March 2013, 09:48 AM   #290
SY is offline SY  United States
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I wonder about using an air-knife, analogous to those new Dyson hand dryers in public bathrooms?
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