Building a Laundry Sink Ultrasonic Cleaner
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Рік томуThanks to channel sponsor, PCBWay: www.pcbway.com
This is my second DIY ultrasonic cleaner project. I've taken everything I've learned and put it towards building this leviathan, 42 litre (11 gallon) laundry sink ultrasonic cleaner. Why, you ask? Why not!
NOTE: To everyone who has emphasised the importance of placing grommets around the cabling going through the metal chassis, rest assured THIS HAS BEEN DONE, it just doesn't appear in the video.
00:27 Why?
05:07 Soldering transducers
10:04 Gluing the transducers
11:30 About the drivers
14:22 Wiring
14:42 Soldering
19:15 Switches and more wiring
20:53 AC monitor
21:26 Even more wiring
22:24 Testing!
Parts
Rotary timer switch: www.aliexpress.com/item/10050...
Ultrasonic transducers: www.aliexpress.com/item/10050...
Ultrasonic drivers: www.aliexpress.com/item/10050...
Green rocker switch: mouser.com/ProductDetail/Marq...
White rocker switches: mouser.com/ProductDetail/Marq...
Check out my first ultrasonic build here:
• Building my own Ultras...
And have a look at the follow up here:
• Building my own Ultras...
#UltrasonicCleaner #Hobby #DIY
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Tools/Products used (paid links):
Digital multimeter. Use the discount code BC15 to get 15% off! kaiweets.com/products/kaiweet...
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Ultrasonic cleaner: amzn.to/35RNoXM
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@BranchusCreations Рік тому
IMPORTANT!: To the many people who have emphasised the importance of placing grommets around the cabling going through the metal chassis, rest assured THIS HAS BEEN DONE, it just doesn't appear in the video. The chassis has also been earthed.
@Dead_Ringer Рік тому
I pleased to see this reply, I was more than a little concerned about the earth connection as it wasn't mentioned in the video. Great job
@marcop3517 Рік тому
I'm sorry this video was a little disappointing from a safety perspective. I was crinching at this project nearing the end with the same two issues everyone was mentioning - the poor mains cable management and the lack of overall earthing. This project is an earth leakage and shock potential nightmare. You really should put a disclaimer at the start of the video even though in the comments here you say you have done all of this which is gfreat. It is so important. To not know to do this (the earthing especially), or understand the requirement to do so from the very start doesn't give much confidence. Harsh words I know and I'm sorry. Please understand, that those driver boards don't appear to have isolation on the primary side (I need to see the PCB underside) so any failure of a transducer (letting the smoke out) could easily cause the sink and stand to become live so proper earthing is paramount.
@robertgroom4406 Рік тому
That's fine, but you need to make the need for earthing clear in your video and on your schematic. Other people may follow this method and not think about it. This is a particularly hazardous project with a metal chassis containing water, and mains power beneath. A low power control panel using 12v to drive relays switching the mains power would also have been a nice safety feature. Otherwise - great project.
@Eduardo_Espinoza Рік тому
Glad you mentioned that you grounded it! I completely missed that during the video at a glimpse! :)
@HomeDistiller Рік тому
Even the mains bus bars are sketchy, it should have physical isolation between them
@Curceus Рік тому
Please use some nylon bushings for the holes where your AC cables pass through, the vibrations overtime will wear through the insulation on the cables. Also make sure you earth the housing, and the tub if you can.
@BranchusCreations Рік тому
That's good advice, and is my plan.
@dogsarebest7107 Рік тому
@@BranchusCreations I've always used automotive heater and fuel/gasoline hose for stuff like that. Split it lengthwise, wrap what you need, then ziptie, hoseclamp, whatever to clamp it over what you want to protect. fuel hose for smaller stuff, heater for larger. fuel hose is 2 different types of rubber tube with rope fibers woven in, very strong, abrasion resistant stuff for pretty cheap. Useful for a TON of stuff. Same for vibration resistant standoffs, isolators, etc Edit: FWIW, on future silver soldering you do in the future, the bolts were way too cold. You want to see what's called "the flash". You don't want to lay a sausage of half melted solder down, then keep blasting it and melt it fully on the part. You want the parts hot enough (both bolt and base) that the moment the solder is touched to the metal, the METAL melts the solder, and it instantly gets sucked into the gap. A bead of silver 'flashes' around the full circumference of the bolt. Then you can add more if you like for a larger fillet. By heating it that way then melting it, you can have a pocket of air / trapped flux under the bolt. Oh also, you didn't know which pin was for L and which for N. The fuse to the bottom right of the AC in connector, will go to L. So look at the traces at the bottom of the PCB. Chances are the bottom (in your video where you show the 3 boards) pin is Live, since the fuse is right there. Opposite of what you chose. That means if the DC - is connected to neutral (non-isolated topology), even if the fuse pops, the tank could be LIVE!
@tronicit Рік тому
Here in Au these are called cable “glands”. Any electrical wholesaler will help with these. Please get some asap and run your AC cable through the chassis using these.
@dogsarebest7107 Рік тому
@@tronicit Ah, I meant in general, not specifically through a holes sharp metal edges, though it would work. I'm in agreement about cable glands. The hose method I said above is about anywhere abrasion can happen in general, in which this build has MANY!
@Curceus Рік тому
@@tronicit glands are not what you want. They seal around the cable and stick out a lot, nylon bushings sit flush and just cover the metal. Im in Aus.
@rdhunkins Рік тому
The time lapse showing the tub flexing under the solder flame heat load is oddly fascinating.
@markpitts5194 Рік тому
I had a newly restored Triumph Spitfire, and the bonnet (hood) went 'boing' over every bump. Dad got one spot in the middle of (my newly painted) bonnet hot, and hit the bump flat with a hammer and dolly. No more 'boing'. £200 pounds for the respray . I was 19 and out of cash.......
@mshort7087 Рік тому
A heat gun, some dry ice, and a hard plastic mallet might have shrunk your bonnet enough to get the stress out of the stretched metal without marring the paint. It’s a process but it works once you understand it
@Nighthawkinlight Рік тому
Nice tutorial! I know soldering tips are a dime a dozen but by my experience the easiest way for this type of application is to cut and wrap a little piece of the soldering wire around your stud and cover it with flux before heating. That protects the solder itself from oxidizing and it'll flow into the joint as soon as the heat is right.
@lotmom Рік тому
It never ceases to amaze me how this tech community has such similar interests. The number of "random" videos I've seen you comment always surprises me!
@quinnfoster1234 Рік тому
@@lotmom messiah
@rods87175 Рік тому
Great build! I worked in Pharma industry for about 40 years & we had several large ultrasonic cleaners. Your foil test is a great way to show performance. From experience, I would add a couple thoughts: 1. If possible, place items in a basket which does not touch the bottom of the tank. Heavy items resting directly on the tank dampen the vibrations. 2. Be careful to never drop items into the tank. The epoxy bond on the transducers may break and destroy the transducers and/or drivers. Using a basket reduces this risk.
@jimharmon3404 Рік тому
This is an awesome project. I have an idea about using this behemoth. When you have small parts to clean perhaps requiring chemicals and you don't want to "contaminate" the entire tank, put the items in a plastic bag like a zip-lock to isolate it from the media in the tank. Then you won't waste cleaner agent / solvents in the 4 or 5 gallon tank. I have a very small unit that I have never had to clean by doing this and I use tap water as the media in the tank. The ultrasonic energy goes right through the bag and cleans what ever is inside. It also prevents the family jewels from going down the drain!
@PatrickKQ4HBD Рік тому
BRILLIANT!
@somebodyelse6673 Рік тому
I've seen suggestions to use small glass beakers, as the glass doesn't dampen any vibration. The soft plastic bags don't reduce the effectiveness noticeably?
@Bodhi1satva 9 місяців тому
Do you put any liquid or solvent in the bag? If not where does the dirt, grease, rust etc. go, does it all just fall off into a dry bag?
@jimharmon3404 9 місяців тому
@@somebodyelse6673 Well glass has mass that has to be moved back and forth and that takes energy so glass does dampen the vibration converting it to heat. The plastic is low mass and very flexible and therefore mostly transparent to the vibrations.
@jimharmon3404 9 місяців тому
@@Bodhi1satva Yes I put H2O in the tank and then put the bag of items and whatever solvent, soap or scrubbing agent in the sealed bag. Then that goes into the tank of water.
@ryanjofre Рік тому
I told you on one of the live feeds man, everyone needs an ultrasonic cleaner.
@GoughCustom Рік тому
Very cool! If this was a commercial product I'd definitely buy it! Seems like spot welding those studs on to the tub would be way easier than brazing them on... They sell cheap stud welders that are intended for welding 'pulling studs' onto panels when pulling dents out of a car in an auto body shop, might be a great tool to make that job easier if you have to do it again!
@brucelytle1144 Рік тому
I came here to say the same! I'd forgotten about those dent puller rigs. I have used stud welders to support my wire ways while building ships. They were basically a combo MIG/spot welder.
@Hawk7886 Рік тому
Ultrasonic cleaners are already available commercially. One the size of an actual kitchen sink would be pretty expensive, though.
@GoughCustom Рік тому
@@Hawk7886 Yes I understand that. But apart from this one I've never seen one that actually doubles as a sink, which I think is a very clever idea! That's what I was referring to when I said "I would buy this if it was a commercial product". I already have several smaller ultrasonic cleaners, and they're often a pain to use because changing fluids in them is annoying. This design solves that problem very nicely!
@gertjanvandermeij4265 Рік тому
It is very thin , you need an master welder !
@2mustange Рік тому
I swear every video i watch of this guy the quality gets better and better (video and audio). Then the DIY creations keep improving.
@BranchusCreations Рік тому
Thank you, I try!
@Miketz Рік тому
Very sweet build, you have fixed a lot of the issues with your previous cleaner. Just a couple of suggestions though: 1. You're using cheap Chinese mains powered drivers so please braze a bolt to the tub to use as an earth. 2. Please do something about the cables running into the mains box. Either make the hole larger and use a grommet, or preferably use a nylon cable gland to prevent the cable being pulled out and water getting in. Single insulated mains wire up against metal edges is a recipe for disaster and I don't want you to die. 3. Instead of the ferrules, just strip a section out of the middle of the wire and solder it directly, it ends up a much neater job.
@migojarsk Рік тому
next will be a bathtub ultrasonic cleaner
@marsrover001 Рік тому
Ya know, why not make my sink an ultrasonic cleaner too. Kinda brilliant. Definitely want to see it tested as a laundry machine. If it can clean clothes gently and effectively I'm definitely building one.
@grimsdagger Рік тому
The term "solder sausage" is amazing, and I'll be using it to describe that phenomenon from now on
@kensejkora4424 Рік тому
Hi Bruce. Great video! Just a thought when using multiple transducers -- before 'deploying' them, it might be a good idea to take a multimeter and measure the resistance of each transducer and write it somewhere on the transducer body. This would facilitate two things. First, one could arrange the transducers from low to high resistance, and pair them into sets of two accordingly so that each pair is "matched" to one another. Secondly, if you develop a problem in the future with one of the pairs, it would be easy enough to unsolder a wire from one of the terminals on a suspect transducer, measure its resistance, and compare its "new" reading to the original resistance written on the transducer. That might help in troubleshooting defective (open, shorted, etc.) transducers. Also, if the transducers do indeed exhibit a polarity, it might be good to measure the resistance with the multimeter leads connected one way, and then reverse the leads to measure the resistance in the opposite direction. Given that they are designed to work with high [ultrasonic] frequency alternating current, I doubt they would exhibit any kind of DC polarity, but rather the "positive" (+) and "negative" (-) terminals allow for correct phasing of the AC signal to each transducer. Again, thanks for the great video. -- Ken
@BranchusCreations Рік тому
That is a good idea.
@oliverer3 Рік тому
Ultrasonic transducer are either capacitive or piezoelectric so I'm not sure if measuring their resistance would actually grant you much insight.
@DasIllu Рік тому
@@oliverer3 Resistance is still one part of impedance. Measuring the reactance might be a bit to much asked from a non EE. Getting at least the resistance matched might help pair transducers with a ballpark estimate.
@depthsounderdave Рік тому
Measuring the DC resistance wouldn’t be useful. Capacitance would be mildly useful if these were broadband transducers but these are high Q resonant piezo stacks that are tuned by the bolt tension. The only useful measurements would be the resonance frequency and admittance at that frequency of each driver after installation. Some of the ultrasonic cleaners I have worked with will auto match to the most efficient frequency corresponding to the transducers resonance peak. In this case matching transducers resonant frequency is essential.
@kensejkora4424 Рік тому
@@depthsounderdave You're absolutely correct. I should have realized the devices were capacitive or piezoelectric, such that simple DC resistance measurements would be meaningless. Thanks for the correction to my incomplete logic process.
@frigingoon Рік тому
something my shop teacher taught me way back in the day. You can fill your ultrasonic cleaner with just generic water. then put your cleaning solution into a mason jar (glass jar) with a loosely fit top not falling off loose but closed enough if the bottle tips over the solution wont mix. the glass wont shatter, and your cleaning solution isnt 50l of waste. plus you can have multiple cleaning solutions/strengths in the same tub and not have to waste time for one thing at a time. hope this helps super cool you got this workin good luck with everything. wish that was in my garage.
@oddjobbob8742 Рік тому
The bicycle chain hold down was very clever solution.
@MrTheog1989 Рік тому
I don't quite know why I find these ultrasonic cleaner videos so satisfying, but I do and I'm excited for the test/demo video!
@IanSlothieRolfe Рік тому
This is a great guide to making a larger sized ultrasonic cleaner. It would be interesting to see the foil test done with different combiations of transducer switched on - does it only clean in certain places or is it just "gentler" overall, and how does it affect the amount of fluid you can place in the sink?
@Haithamsaadany 7 місяців тому
hay bro i will call you master ultrasonic thanks for valuable videos
@kennethgalland6829 Рік тому
when you show your video on the operation of the tub please show the grounding and other safety issues, you are running electrical power under the same sink as all that wiring so keeping it safe is key. I hope to see the follow on soon, this is a great build as I am in the process of gathering materials to do exactly the same thing! I have to learn how to silvver solder, had not planned on that, but I am learning from your pain! thanks
@CorrosionLive Рік тому
Love this, Bruce. We made our own 137-gallon ultra sonic tank. But, we need a lot more watts. Had 40 trunnions and 3600 watts. Probably going to buy three more generators at 2400 watts each.
@RapTapTap69 Рік тому
Wow that's massive! What do you clean that you need that much space? Engine blocks?
@yuriykalachik3627 11 місяців тому
@@RapTapTap69 following
@u_wot_mate7374 Рік тому
That shirt made me laugh more than it should have. Good stuff mate.
@klaernie Рік тому
I've recently discovered the din rail terminal blocks. Now every problem looks like it would like to be solved with this specific nail. I'd probably done the distribution and driver/PSU in din rail enclosures, and would have run individual wires to each driver. That way the pattern is easily rewireable without soldering, just changing over a few contacts on the terminal block. There are also premade meanwell PSUs for din rail. Also, since you got two holes for taps, you could use one of them to store cleaning solutions you commonly use in a jug underneath with a small pump to feed it back up into the tub. That way you could drain the solution into the jug after using, and no dust or debris falls into the sink, it remains usable as a normal sink until need it to clean again, where you can quickly rinse the tub to get rid of the previously airborne dust, then pump the cleaning solution back up from the jug, and start cleaning. Of cause that requires diversion in the drain, but could be scalable to a few different kinds of solvent-soaked solutions, choosable with a flick of a switch ;)
@BranchusCreations Рік тому
Good advice!
@Ucfhm Рік тому
I just came across your channel, and i watched all you ultrasonic cleaners videos one after another, great channel, well informative and you have a great skill of explaining things, i've always loved ultrasonic cleaners but i never knew or searched how it works, but now i know and that's my project for the next month, thank you sir, keep up the good work!!
@NemoBlank Рік тому
You mad scientist! Someone out there is going to glue on a hundred transducers and melt his engine block.
@dreamcat4 Рік тому
amazing love it. by far my favorite video of 2023 so far. cannot thank you enough
@jimsvideos7201 Рік тому
I like the bike chain idea.
@davidbarnes774 Рік тому
You should ensure that the air inside the base is ventilated. (It is not clear from the video). The individual fans area good idea but if they are circulating air to and from a stagnant enclosure then the air will heat up. Suggest that you install a fan to ventilate the base with ambient air.
@BranchusCreations Рік тому
The back of the base is open. When it's installed, I'll be able to put a small ventilation hole in the wall behind the sink.
@ianbottom7396 Рік тому
Earthing on tub and stand is absolutely necessary and you should bush the holes where cables pass through the sheet metal. The enclosures you made for the drivers don’t seem to have any ventilation holes apart from the fan mounting but you’ll need air flow to get any benefit from the fans. Likely you would get far less distortion of the the stainless tub by using a TIG welder to apply quick spot welds to the mounting studs. Interesting project, it will be interesting to see how it performs and how reliable the components are
@BranchusCreations Рік тому
There is ventilation under the board, so the fan pulls air from under the board and then up and out through the fan hole. You are the first person to mention that, so congrats on your observation skills. I now have grommets around the wires that pass through the metal, I just don't show it in the video.
@TheBasementChannel Рік тому
Great job on this Bruce. You’ve become the go-to source for ultrasonic DIY!
@johnathansmith3819 4 місяці тому
All is in a name; what is yours? Precise, concise, to the point, good cinematography, well shown and perfectly tested. Thanks; it must have taken time to elaborate. I appreciate.EDIT: sorry, Bruce. I just saw your OTHER video.
@McNally77 Рік тому
Youre Doing a Bang up Job! my suggestion to accomodate all this electrical soldering, make a spot welder.
@BranchusCreations Рік тому
I enjoy soldering way too much to do that!
@plasmaxer Рік тому
Vincent van Gogh Starry Night Over The Rhone is what it looks like. Minus the cataracts of course. Thank you for the build
@summerforever6736 Рік тому
Wow you have a nice house up in the mountains! :-) Must be filthy rich! Great Video!!
@BranchusCreations Рік тому
I hate that background, but I hated it slightly less than the other ones I tried. Still looking for something better!
@summerforever6736 Рік тому
@@BranchusCreations its not your house?🤔
@themotofixery Рік тому
This is an impressive build! Fantastic work! I'd love to build one of these
@romancharak3675 Рік тому
I really like the control panel and the wiring behind it Bruce. Neat build !
@wilkoslavakia Рік тому
great video 21:12 the sign of a good 3d part designer of making the screw hole tapered so as to avoid supports
@BranchusCreations Рік тому
With all sincerity, I thank you for noticing!
@RudysRetroIntel Рік тому
Great home made unit!! Thanks for sharing. Looking forward towards your next video
@dido1803 Рік тому
Really awesome project!! I look forward to seeing the follow up video.
@Khakhees 8 місяців тому
That timelapse with the sink showing expansion and contraction is interesting.
@chris_hertford Рік тому
Fantastic build you could plumb it in and use as a regular wash basin too! I noticed you could do with some rubber grommets at 22:09
@1cnfour349 Рік тому
You’re very thorough, and informative! I really appreciate your sharing and research! Blessings from alberta Canada!
@GarthBeagle Рік тому
You're a wizard Bruce! Incredible!
@mpschaefer1 Рік тому
Great idea. Going to make one for my wife too, dishes will be a snap now.
@reloadfast Рік тому
Can't wait for part two! great video.
@BrettCooper4702 Рік тому
When soldering electronic, I pre-solder (tinning) the contact and wire. That could be done here. Solder applies to the sink and to the nut, then the nut is added to the sink and soldered again. Should make a better contact as solder doesn't have to try and flow between the nut and sink.
@BranchusCreations Рік тому
I'll try that next time. I do that with electronics soldering all the time, so I should have applied it to this.
@gagarin777 Рік тому
Really nicely done project
@boredincan Рік тому
I've really enjoyed going on this journey with you. Showing your mistakes and missteps is really important. Making errors is the only way to learn, and is something that building and prototyping really teaches you: the importance of failing. Thanks for the videos, tutorials, and the correct pronunciation of "solder"
@RolandElliottFirstG Рік тому
Great build, I remember SC had an article on a build a little while ago, I am still putting mine together, I have a largrer one, I managed to obtain a old very thick double laundry sink from a metal scrap yard in Sydney a while back.
@maxcarter3413 Рік тому
Brilliant idea and excellent tutorial! Thank you much!
@antbymcnair4297 Рік тому
That is really nicely done.
@CraftwerksMC Рік тому
Bruce, seeing your previous videos started me on the path you are going down now so I can not wait to see you’re results. I’ve been looking on marketplace to see if I can find a similar sized tank or sink for this purpose. I hope this works out well!!
@SakeBarSushi 11 місяців тому
Lots of fun watching your journey in building these ultrasonic cleaners. It seems that you do like to take them to the next level so I suggest using an Arduino to add a few functions: 1. digital flow meter for the tank filling with control and automatic selection of power required backed by 2 non contact liquid level sensors for alarms in overfilling or leak detection . 2. Turbidity sensor for replacement of dirty cleaning liquid in time. 3. I use some mild acids or caustics sometimes for cleaning and you can add a PH sensor and a dispensing pump for the solution to set the desired PH level. 4. Last but not least remote monitoring and control so you can reactivate the cycle if you are away from the cleaner and doing something else e.g. the cleaner is in the workshop and you decided to do some gardening. Now, to really get Sci-Fi I would set up a system for automated drain and filtering of the cleaning solution and refill with a rinse agent. I would then set up some halogen lights on the lid so when the lid is reverts you turn the inside into a dryer. This way you would have a multi purpose 3 in 1 device, Ultrasonic cleaner, rinse and dryer. Now that would free up some serious gardening time! I love to overengineer my projects to max! Why? Because it is possible and fun!
@riccardosdiyandrestoration 9 місяців тому
Brilliant - love the build
@raceace Рік тому
If it's worth doing it, worth over doing. Love it.
@jackmclane1826 Рік тому
Really awesome tinkering!
@GeorgeWMays Рік тому
That is cool. Thanks for a really interesting project video. It's appreciated. Nice job.
@johnkelly7264 Рік тому
As @Curceus said, rubber grommets on metal panels for cable pass thru is a must. Love the explanation style and looks like you have lots of interesting content. Subbed here!
@CanadianComputerCollector Рік тому
This one is a banger. God I wish I had the confidence to build something like this.
@klab3929 6 місяців тому
4:48 When using multiple transducers with separate power supplies, they may not run in sync, leading to destructive interference and reduced cavitation due to mutual cancellation rather than constructive interference for amplification. The outcome can be a bit of a hit-or-miss situation. To enhance the performance of multiple transducers, synchronization is generally advisable. Additionally, you might explore a more advanced approach, such as optimizing the transducer positions in the bath and calculating wave propagation through the liquid. By strategically offsetting synchronization between transducers, you could potentially achieve a targeted "aiming" effect, thus increasing cleaning power in specific regions.
@DocNo27 Рік тому
Awesome idea! Love the video as well as the comments - may have to try something like this myself. Ultrasonic cleaners rock and can be used for all kinds of things. There are sinks with the drains offset, but since you have to have multiple transducers the drain in the center didn't seem to be that big of an obstacle to overcome.
@danielfarrera2396 3 місяці тому
@BranchusCreations Hi Bruce, I'm new to your channel. Your ultrasonic cleaner videos are awesome. I know it's been some time since this video was upload, but I really wanna see the testing and cleaning capabilities of this build with electronics, clothing, jewelry and dishes. Thaks a lot for your excellent content 🤩
@walter2990 7 місяців тому
Watched both of your DIY videos on building a sonic cleaners. It appears that you have done quite a bit of research and development on this project. I'm now a subscriber because of your professional presentation. I've just realized that most of my YT subscriptions are for Aussie creators. Not sure what that means, just an observation.
@laserspaceninja Рік тому
The waves will cancel out to some degree and more so when they become 180 degrees out of phase from one another. You may mitigate the problem by spacing and aiming the transducers so that there are fewer cancellations.The spacing will depend on the frequencies you intend to run them and this is assuming you are placing them so as the all face the same direction. Changing the angles of the transducers would add more or less modes in three dimensions and make the math a little more trickier. While the math exists to find the specific spacing, one could experiment by using a plate with sand on top. Place two transducers vibrating underneath the plate. You will see the modes in action and where the sound is at its highest amplitude and in which spot. If you want to see this in action, you can look up "modes audio sand" in UKposts to see some examples. At least thats what I remember from an acoustics class I took three or four years ago. Although, we were working in the 20 Hz to 20000 Hz of the human hearing range. May work different in the land of ultrasonics as the wavelengths are shorter which may make for more complicated models.
@ABaumstumpf Рік тому
destructive interference being any real problem - yeah no, that will not happen. For that the drivers would need to be in sync, so at best it could happen to 2 emitters being driven by 1 driver, and even then only for very small regions and those will also constantly change place. So nah, not a problem. Even for the audible range it is the same. Having many people playing the same notes on a Violine right next to each other will not lead to any perceivable destructive interference. To get that you basically need to have 1 pure signal that you are sending to 2 speakers and then be at a very exact position.
@sw6188 Рік тому
What most people don't realize as well is that each transducer is oscillating at a slightly different frequency, and likely drifting very slightly as well. The driver boards are not quartz-locked. As a result there will actually be phasing going on, so at some points the waves will be adding and at others they'll be subtracting but never cancelling. At 40 kHz, these effects won't even matter.
@MrBobWareham Рік тому
You should use glands where cable goes through steel to protect the cables from damage or a rubber grommet
@brad9529 Рік тому
Very television level professional presenter. 👏
@BranchusCreations Рік тому
Thank you!
@ian.lwilson7156 Рік тому
Great video! Amazing. You must BUSH the mains cables through the sheet metal.
@tenminutetokyo2643 Рік тому
That is freaking nuts!
@paulstokes3271 Рік тому
Nice project. Thanks. Quick comment re your soldering of the transducers.... I agree that high heat and fast application is the way to go, but your technique belies that. You're applying heat twice where only once is needed. The tabs are tinned. you don't need to "blob" them (a quick rub with sandpaper will remove any oxide that might have built up if that is one of your reasons for blobbing). More importantly though, you're not making a mechanical connection. That's what the hole in the tab is for. Pass the wire through, twist to make sure that it has a good mechanical and electrical connection and then a fast in and out with the soldering iron - one hit of heat. Solder is primarily a means of holding things in place and shouldn't be the primary means of enabling current flow. Solder connections are sensitive to both degradation/corrosion of the solder and mechanical problems (which, given the environment that you're using the transducers in, is highly likely). The joint can also be supported with a heat shrink sleeve (or rubber sleeve) to reduce those problems. One last thought. You're permanently fixing a transducer without testing it first. That makes me uncomfortable 🙂. Not sure how you might test them safely, but it could potentially save a lot of grief down the line.
@VK2GPU 9 місяців тому
Came up just in time on my feed. Building an ultrasonic cleaner/whiskey aging device soon, just waiting on the rest of the parts. I did wonder about attaching the transducers... figured *just* epoxy wouldnt be right. Fortunately we have silver solder and flux in the workshop already!
@davidharper4289 5 місяців тому
Hey, very cool. I will build one now. Like you a triple A........................except you forgot the grommets where the 240vac goes through the thin metalwork. Super build though. Cheers, Davo
@filmdozer8773 Рік тому
Very informative.. I'm waiting for the video of the ultra sonic cleaner's work....hopefully it will work well...thank you
@BranchusCreations Рік тому
Coming soon!
@kuro68000 Рік тому
About the polarity and cancelling each other out, that would matter if they were all on the same controller. Because they use 6 different controllers with no sync, they likely drift in and out of sync and cancelling randomly. Their oscillators will all be running at slightly different speeds. There is also the speed of sound in water, distance apart etc. I wouldn't worry about it.
@menacegallagher7334 Рік тому
This is genius, love it
@Mountain-Man-3000 3 місяці тому
I'm amazed you were able to silver solder using that wimpy little propane torch!
@ryanokeefe12 Рік тому
When brazing - continuously try to add the brazing rod until its melting on the surface.. you'll know you've applied enough heat when the brazing rod wicks into the joint. It's no different to what you see when soldering with a cold vs wet joint. That way you aren't turning things cherry red and potentially tempering the steel. You want to avoid things glowing red if possible.
@paulwhitehouse3690 Рік тому
Agree with your comment, I seem to recall during my apprentice training half a century ago the part on silver soldering included the comment; when looking at a silver solder joint (rather than brazing which is different) what you can see isn't doing anything! i.e. the silver solder will follow the heat, only the silver solder underneath the stud is doing any work.
@DangarousMandarineLP Рік тому
Also with this thin metal minimizing and the amount of studs heat input is crucial. Spot welding might have been a better choice.
@ryanokeefe12 Рік тому
@@DangarousMandarineLP You can't spot weld a stud.. A spot welder melts the material between the contact points of the electrodes. It's not going to make enough heat to melt a stud to stainless (ignoring that it would be nearly impossible to find a spot welder that can clamp wide enough to fit the stud between the probes). Do you mean tack welds?
@DangarousMandarineLP Рік тому
@@ryanokeefe12 No, what I meant was stud welding. That was lost in translation. Basically a spot welder made for welding internally or externally threaded studs to things. You insert the stud in the gun and weld it to the material with an electronic discharge.
@Hawk7886 Рік тому
@@ryanokeefe12 check out stud welders used in body repair. =)
@michaeljones6832 Рік тому
most informative video and comment section. thanks
@daz41262010 Рік тому
superb Bruce :) well explained :) well built :)
@AudioFanMan Рік тому
The 3d printed cases are an awesome touch! That said, i didnt notice any intake/exhaust openings? If the only openings is the fan, there will be little to no air flow through... great video and i may add to the list of projects i may do.. ty!
@SidebandSamurai Рік тому
Loved your video. If you had it available, and Oxy Acetylene torch would have been a better choice for Silver Solder. it would deliver more heat to your area allowing the parts to fuse together more quickly. You did manage to get the job done with a propane torch which probably avoided burning a hole in your sink.
@TradieTrev Рік тому
That thing is a great size. Wiring is a bit rough lol but I admire your effort from the previous one you built.
@beaverc2884 Рік тому
WOW that came out REALLY professional looking, very nice. By the way it beat up the aluminum it works really good to. I have a good sized ultrasonic cleaner that I keep only water in, all the parts I clean go into heavy duty zip lock bags or plastic containers with my cleaning agent in them. This saves me from wasting expensive cleaners and having to dispose of large amounts of cleaner. Hopefully this wasn't an old tip to you or is a new tip to others that read this. Thank you for the video 😊
@bja1234567 Рік тому
Pedantic, but AC is both going to go into those drivers AND go out... It was mentioned at least once that DC was coming out of the drivers, but it's high frequency AC. The driver is essentially an AC->DC->AC converter (the DC in the middle is so you can switch chop it up really fast to make the 40kHz AC output). I'd also say it's more so that the multiple drivers provide a solution that's 'good enough' for a home-brew. You'd have to be SUPER unlucky with the timing of the drive signal to get cancellation of the sound field that would make it just a noisy tub of water. If you were able to find drivers that could synchronize to each other, you'd get a solution that would basically always kick major tail. Without it, you basically get a cleaner that does the job reasonably most of the time, and may not do as well some of the time Lastly, I'd be really surprised if the clothes washing went well. Same reason you don't use flexible adhesive for the transducers is why ultrasonic cleaning of clothes is less than ideal. The fabric absorbs the sound waves and reduces the ability of the bath to cavitate
@arcataslacker Рік тому
Great job!
@xaap8408 Рік тому
no idea how i got here, but it was very informative :D ty
@clint_commander Рік тому
Aussie handyman Dave Bautista nice! Great video!
@Showmeflipper Рік тому
I like the design I think you did a good job the only issue I can see right now is you didn't use grommets to run the wires through the metal housing of the base which could eventually rub and short out.
@Cluuey Рік тому
When I watched your first video on making one I thought a laundry sink might work well, then find the Mark II Branchus Special video!
@arska6383 Рік тому
The output from the driver to the transducers is not DC but high frequency AC. The + and - signs are probably there to indicate the phase in similar manner to loudspeaker terminals. I wonder if the ultrasonic power could be increased if the outputs from the drivers could be somehow synchronized instead of each one running with independent oscillator.
@danbrit9848 Рік тому
please start using wire grommets i know its frustrating but it adds so much peace of mind whether it be for the wire shielding or your hands...and since it vibrates sharp edges will have fun over months till one day pop bang ow
@BranchusCreations Рік тому
Lots of comments on this already. This has already been done.
@matheuslobato4224 Рік тому
Olá, sou do Brasil, de todos os vídeo que assisti, o seu e o melhor, muito obrigado por compartilhar seu conhecimento conosco!
@lrdisco2005 29 днів тому
Just an idea. Use relays in conjunction with switch panel to isolate mains A.C from the switches and make sure good earth bonding on all conductive parts.
@rdhunkins Рік тому
A technique I’ve seen myfordboy use is to cut small bits of the solder and place them on the work piece before heating. The solder flows when it’s supposed to. I tried a similar technique last week repairing some copper pipe and it seems to work.
@McNally77 Рік тому
close to the end of the video it showed wires going through holes drilled in metal. you want a plastic jacket ir some electrical tape to protect the wires. Over time the jacket will wear and youll get a dead short. I love this project.
@BranchusCreations Рік тому
Thanks, this has been done.
@geofflethbridge8732 Рік тому
Nice project, but the mains wires that pass though the metal sides should not touch the metal. The usual way to avoid this is to use a rubber grommet.
@BranchusCreations Рік тому
That will be done!
@jeffclark5206 Рік тому
I came to comment the same thing lol
@fassphoto Рік тому
Looks awesome!!!😎👍 When you will post the video on building and programming the pi conputer with display for this and the first video. I am looking forward since I want to build my own and I know nothing, absolutely nothing about programming neither computer. 😂
@Mriya6 9 місяців тому
Gotta say that the thumbnail for this one really made me laugh, you look so happy in your sink haha
@ciapsiagency3260 8 місяців тому
WOW Great job.
@raven21633 Рік тому
Your "little connectors" are called Molex connectors. I used them by the ton in Amateur Radio. Also, instead of soldering the wiring to the transducers, have you thought about using heavy gauge terminal connectors? You could crimp the wires into the connectors (add a bit of solder if you like just for good measure) and then just slip the terminal connector over the lug of the transducer. If the terminal connector is a bit wiggly you can crimp them down a bit for a snugger fit. No heat involved and easily removable if, for any reason, you should want to do so.
@pomonabill220 Рік тому
Very nice job! One thing though, you might consider deburring the holes in the cabinet where the AC cables pass through. It looked like there were some sizable burrs around the holes, and you don't want them cutting through the insulation. Might even add grommets. (not Wallace and Grommet though)!
@BranchusCreations Рік тому
Already done!
@pomonabill220 Рік тому
@@BranchusCreations GREAT! Thanks.
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