kWeld - The best 18650 spotwelder?
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- Опубліковано 25 сер 2024
- Back in stock 27/02/19 - You can check it out here - www.secondlife...
Use this battery to power you Kweld - ebay.to/2lAJyLh
This is by far the best 18650 spotwelder I've used to date, fast doesn't get too hot and consistent welds. The end result would have looked much cleaner with new cells rather than recycled - but recycled cells work for me.
Buy this Spotwelder - You can check it out here - www.secondlife...
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Thanks for tuning in as always!
Pete
#kweld #18650spotwelder #diypowerwall
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I own one, and have been very pleased with it's performance. I'm very thankful that this very skilled electrical engineer created this and made it available. Having it has opened up a ton of possibility for me. I hope my comment supports someone's confidence making the purchase!
I can't wait for his scooter ~!
I also have the k weld and very pleased to own one too.
it just did, gonna order it right now.
kWeld Spotwelders are back in stock visit Keiths Facebook page for details - facebook.com/18650Shrink/posts/526056031251472
So how are you doing your bus bar style connections with the spot welding?
How does the battery work without bms?
@@7lovefreedom Anybattery will work with out bms.... it's just safer with it! For its given application it will be charged with hobby charge to keep cells balanced. For it to go to low we would need to be using it for a few days
On the output it is best to have as little resistance as possible. I therefore tinned the output leads connection to the board and as the bus bar connections. In addition I soldered the copper cables into the copper electrodes which I hold in position before pushing the foot switch. I get much more flash and have never needed to move the power from the lowest setting to spot weld successfully. This was after advice from my electronics guru friend, who said that to get the amps up as much as possible the resistance must be as small as possible and demonstrated the maths to me using v=ir.
Dude, your setup is insane, RESPECT!!
It's taken a long time but i'm pleased with the results that's for sure
I bought one of these too after trying like 3 different Chinese spot welders. Nothing else compares totally worth every penny. But you should really try the auto mode on that thing! I got a foot pedal for it but never hooked it up. The auto mode seriously save so much time and make the task of spot welding large packs a breeze!
Auto mode is next level fast love it!
I bet crushing that underside grid was satisfying!!!
I didn't do both sides :) if that is what you were referring too
This spotwelder is probably the best available for 18650 cells! I followed the development on YT - brilliant idea! Anyway your welds look very weak to me - you should at least use 80 - 100 Joules! And i would do 4 weld spots on each cell instead of just 2 :-) Instead of the annoying music you should better just talk and share your experience :-)
I'm so sick of talking and editing my incorrect pronunciation & info I love this style better. That said next one I went a toattly different direction and did an under 2 min script then voice over first - then got the footage - see how that turns out.
can you give me a link to video where is that spot welder made?
@@Damjanhd email link in the description to the US seller of the unit Damjanhd
Who made the damn thing? Looks nice! How much would Mainbord cost + fuse cost? The rest can be diy'ed. And Bluetooth to app could be a cost saver instead of rotory encountered and a screen.
I would like to see a power supply with great efficiency for atx pc and server running on 48V pv system
100 joules? Youre joking right? its 10000 W if you use 10ms. 20 joules is enough for 0.1 - 0.12 pure nickel.
Thank you so much UA-cam for recommending me an amazing youtuber
I don't think so, just an average guy kicking back and having fun
Those welds at the end of the video dont look like they will stay for long
nar they sucked, not enough amps covered that in the next video
Hello HBPowerwall,
Do you have an .STL file for the KWeld triangle handle? Or maybe know were to get one? Thanks for the nice video!
John
I did think it was In the description? Should be on that 3d printing site i can't remember the name of now i thinks lol
Boy. 20 years ago, it was a lot harder. Good show...
Thanks
You do beautiful work. A true craftsman. Super efficient and methodical.
8:51 Even the wear notch in the workbench serves a purpose :)
Thank you very much!
I have this spot welder. Love it. Perfect welds every time.
Cept when i do it lol had it set to 10j rather than a lot more :)
When can i BUY?
Make Spotwelder need spotwelder :)
Spotwelder good...
4:00 a painful moment for every electrician…
Honestly, it would have been better without the music.
in hind sight for sure.. but with out all the comments youtube would have never shared this video.. it's almost ironic
@@HBPowerwall True and that's why I gave a thumbs up.
Nice ty
The music is killing me.
I’m great full you survived long enough to post this comment. RIP buddy.
Love your vids, great info, great techniques!
Thank-You
Nice video, nice device :)
But the background music is a weapon of mass destruction.
Looks good. Thanks!
Thank-You
Lose the robot music. It's not only loud and morinically repetitive but it's distracting from your valuable content.
Ironically, some think it sounds catchy, and "morinically" isn't a word
@@FixItYerself Oh but it is. It simply doesn't appear in your dictionary. Look on line. The original technical use of the term "moron" is obsolete and in most modern uses deemed offensive when applied to individuals. "Moronically" (adv) the root is now a term of disparagement alluding to foolish and stupid lapses of taste. The suffix -ic and -ally denotes use as a modifier and intensifier in adverb form. In the case of the overwhelmingly loud and distasteful background "robot music" excoriated in my original post, the phrase "moronically repetitious..." is not only vivid but apt and warranted.
I can't please everyone, but will continue to try - Wifee first! THEN everyone else
A narrative of what you're doing, instead of the music, would be my preference.
Maybe but I don’t know what we were doing.
Excellent, God willing, forward, you are a very special man to me, and I am one of your followers who admire you with the power of this work. I use a small machine, but I wish I had such a powerful machine, but I hope how to buy these batteries and send them to my country, Saudi Arabia 👍🌹🌹
The battery is so easy, bro 👍👍👍👍👍👍👍👍👍
it is
You should not have a steel washer between the cable connector and the fuse-ends. The cable tips should be pressed directly against the fuse.
Makes sence... ty
@@HBPowerwall Forgot to mention, it's a great video, and you are doing wonderful work.
I'd like to see this in a handheld format. Two points which the has a button in the hand held would make it faster. You simply put them down side by side the push a button with index finger rather the foot
It's even better than i did in this video - take the probes out of the holder put the unit into auto mode, touch one probe to battery - touch second and ZAP - it's so stupid fast in auto mode - the unit continues to amaze me
@@HBPowerwall great to know:)
heya that is a very nice diy spotwelder
Hey Mate, Im ready! ish... would you recon soldering the busbar to the nickle strip prior to kwelding the strip then soldering to avoid heat on the cells?
btw , thanx for the effort showing whats out there but your link doesn't go to anywhere showing a price or way to buy one
What is the overall cast?
www.keenlab.de/index.php/portfolio-item/kweld/
Nice work! I wanna diy a 18650/21700 battery pack，could you please tell me which spot welder works well and where to buy one？Thanks!
Can I ask what your profession is and how you came to acquire these electrical skills? Guessing you were formally trained?
Console/Computer Tech, annnnnd UA-cams :P everything I learnt in my adult life has been binge watching UA-cam and making some expensive mistakes in the process.
@@HBPowerwall that's awesome mate. Well done on picking all that up!
Thank-You
Protip: Preheat the plug before soldering in an oven. This makes the solder stick better.
great pro tip..
Why do you have so many of the same battery? Are you a store battery store or do you just love that battery?
It's just a hobby that has gone out of control lol
where did you get the files for the electrode holder?
Yes please share this with us!
I would like the STL of the electrode holder please.👍
secondlifestorage.com/showthread.php?tid=6317
Try this 👍
OMG.. Rather than this, It will be great if you share your workshop tour as a video... :)
There are many tours - unfortunately can't find them on my mobile to link them sorry.
Flip tge fuze over so it canbe replaced by just losening the bolts?
I enjoyed watching you work BUT that music drove me crazy so see you later.............
Noted!
@@HBPowerwall I've noticed this on a few vids - the techno stuff is really annoying.
@@HBPowerwall But I do love your videos, so thank you!
Well the worst part is its the same 5-second progression looped for 11 minutes.
This is cool... can this be powered by a power supply?
You'd need one hell of a supply - this baby loves AMPS and lots of them and stupid fast at that.. I think 1000amps is a low spotweld current
amazing work
Thank-You Sir
Hi, nice video I prefer to use the boss aulakiria spot welder over the k weld. As it gets the job done in a breeze. Thank you.
Clearly you've never used this one then :)
I would think that you would want to hold the electrodes as vertical as possible in order to reduce the area of tip contact. Since all the current passes through the tips, temperature is not just a function of energy delivered but energy per area of contact. Tilting the electrodes contacts the tapered sides of the points and increases the contact area, distributing the current over a larger area, and reducing the temperature. When you angle the electrodes you can see this in the shape of the dents created.
It might be possible to estimate the area in contact by measuring the resistance between the tips prior to the weld, and adjusting the delivered energy appropriately, but this would be difficult to do with accuracy I would imagine. In summary, I think you would get better and more consistent welds if you hold the electrodes more vertically.
setting up this unit is key - something i didn't do while filming
Die Punkte sehen nicht sauber verschweißt aus. Zu wenig Energie?
Way too little - needed the video finished and didn't have the correct battery setup to power it.. In a few hours I'll do a stress test of it and fix the weld strength
Amazing job!
Thank-You
But what's everyone using to power this ?
Hope to get one within a year or so. (Need to save up for it)
I made a spot welder with a microwave transformer. it works like a charm
I bet it does, but I would rather spend that time making videos than doing stuff over i don't understand :P
Nothing to do with the welder, but why dont you install the strips in the opposite order?? So the "balance connection" last. the majority of the current (by far) is running in the series connection. now through twice as many welds as could have been...
Permanent Marker erasing tip...
...Dry Erase marker over permanent and wipe off!
what for bud?
Random numbers on your work surface.
ooh that's from last video icharger X6 tests my 'perminate' whiteboard so to say later in the vid i cleaned it off
Great video Pete. ;)
Thanks for all the help and replying to dumb newbie questions & for all the shink - OOoh yeh!!!
good video
Thank-you
Great video, mind numbing music
Yeh, some don't have the same taste as me .:(
great video bud well put together now I have a question I want to make a new battery for my e-bike do I need a spot welder or could I solder them together
I soldered mine without any drama...couldn't justify buying a welder ;)
I've soldered 1000's of mine - without issue - I still now feel that spotwelding is much better for many reasons
wow amazing project, i like it
Thank you Electronic Make
Awesome spot welder. I have it and would not own anything else!
I would say I love it but it's always out on loan and haven't seen it much since this video was shot
HBPowerwall that is what happens when you have a great product. :-). Awesome video by the way.
Hi, just bought the kweld week ago,
I did some nickel solder! Then I took a break and when I reconnected I have the overcurrent message that appears, do you know how I can solve this problem?
Thanks
Check the manual, I hear so many stories of people using the 'good enough' way of building..
Still the best spot welder? Might need to buy one now
Dam thing is a work horse - I need to order some new batteries for it as about to do a 2800 cell battery - 11200 welds on one big battery. is going to be a good test
@@HBPowerwall what's the retail on one of those
Awesome welder and thank you for the video, but I don’t think your settings are correct. It looks like you’re using far too little energy for those welds?!
Definitely learnt a lot about spot-welding since then - a better battery to power it really improved the welds
Ah! Ok. Thank you for responding. I hesitated to post this since I’m just a UA-cam expert and you had hundreds of batteries around you in the video. Glad I did! Thanks again.
only hundreds.. look around the rest of the channel it's 10s of thousands lol
How much total for this project? Not 9grand I hope
What my wall in total? Probably 12k total but that includes a bunch of mistakes
Nice vid Pete how do you compare the kweld to rowans sunkko that you were borrowing?
Don't mind me just read the video description lol
hmm make an adaption to the contact holder and get a "dobot" to run in palletize mode for spot welding a whole pack mmm just a thought
would run out of cells instantly - but i like the train of thought - even putting two cables and tips together do the four welds at once per cell but getting that level and even contact between all four would be difficult i guess
@@HBPowerwall not with the right spring tension on each tip
What is the magical tool at 4:30??
That's a ferrule crimper.
@@heyallenify there is also a male circumsizer ......!
Hi Pete. I bought one of those units myself a couple of month ago and it works like a charm since day one. The features it has are just awesome. Like your electrode housing - is this your own design, or did you get it from somewhere? If it´s yours, would you mind uploading the STL´s to thingiverse...?
It's available from facebook.com/groups/KWeldNorthAmerica/
@@HBPowerwall Hi, I hate Facebook. there is another site I could have this STL file?
Jointing compound between the bus bars and PCB not needed?
I am about to order a couple of these as well. Just emailed the seller a couple days ago.
Nice, i'm very happy with the unit so far
For a power source, couldn't you just use a 12v car battery with a live charger clipped to it to back it up as you weld?
You COULD I guess. But I love it this way
Pete, did you measure how many amps was taking from the 4s battery? I'm wondering what is the minimal parallell cell amount for this to work....is 80p enought or too little? Thanks
frnandu 80p is plenty if you have like 5A max draw cells at minimum
@@maxb6859 I know the cells deliver more amps at short bursts, but if we assume they did 5 amps each, with 80 cells in parallel, they would deliver 400 amps. That's under the recommended amps.
Where do you buy this battery spot welder I can not find a website link to buy one
www.keenlab.de/index.php/portfolio-item/kweld/
Great video!. Do you think is only for níquel metal?. Could I weld thin zinc galvanized metal?. Thanks.
I don't know never tried sorry only nickey but it can do up to 0,3mm thick
the way you handle that razor knife scares the shit out of me.
Relax - you should see what is edited out lol
@@HBPowerwall lol
happy days havin a pizza watchin my buddy make a kweld video priceless
I think i need pizza after this one lol
@@HBPowerwall you did a pretty good job on it IMO catchy tune too
did you do the ave thing of going click when tightening all of those bolts up ie human tension wrench
@@dtec30 had one back in the day, now it's she'll be right - seems good!
@@HBPowerwall you had a dobot ok how much was is to buy they seem unusually coi about the price thesedays
What do you use as a power source?
It's shown in the video at 9:43 and I can already say: you probably don't have it ;) I'm still waiting on my XT90 connector to be able to use my Kweld... can't wait!
nice project.
how is the spotwelder being powered? in your vid its powered from a battery pack, are there other ways, or is that the way to go?
also isnt the fuse installed in backwards? i mean they dont have polarity, but shouldnt it be installed so it can swing out when loosening the nuts? in your case if you ever have to change the fuse, you would have to unscrew them completely?
It's being powered by the recycled 18650's on the wall just taped 4S off the 14S battery, it'll run on little lipo packs with high VERY high amp draw ability or a car battery as well.
@@HBPowerwall would it be possible to craft a supercap-bank too? i mean you could put 5 supercaps in series and you have ~14v when they are charged, with a cheap low current powersupply that does CCCV, and can deliver the power in a more compact manner?
@@HBPowerwall What size of Battery would be recommended? And how big?
Awesome! Btw the cell holder doesn't need supports to print successfully.
Did you notice the cell holders plastic expand slightly while it was warm after all those welds?
Didn't notice have another test to do tomorrow, I'll take a look then
good work
Thank-You
Do you know what those connector tips are called that you crimped onto the wires that went into the terminal block?
XT150ies ? rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FXT60PW-XT60-XT90-XT150-Bullet-Plug-Connector-RC-Drone-Lipo-Battery-US-Seller-Lot%2F132844648821%3Fhash%3Ditem1eee287975%3Am%3AmbcFKpSpNmCLmLSKbBJJ6fQ%26var%3D432147153956&campid=5338316103&toolid=20008
HBPowerwall thx for the reply. I was actually talking about the terminal ends. I found the name. Wire Ferrule Terminals. Here’s an Amazon link if anyone else has the question. I wish I had known about those years ago. www.amazon.com/dp/B07H29ZTPX/ref=cm_sw_r_cp_api_i_IR5FEb2Y8AQGR
Hello. I made a spot welder machine with microwave oven transformer. It has timer module. but burns occur on the nickel strip. Do you have any idea about this?
This is why i love the KWELD, control, consistancey and accuracy - DIY is great but dam this product keeps working I would hazzard to guess at about 50 to 75 thousand welds so far.
What's the maximum input voltage?
I don't know why people think they need to add music to these technical videos. Silence is just fine. Good video though.
Hi I want to know where you bought may I have the link?
description buddy..
8:03 make my diy welder tip like this
Would a 12volt lead acid leisure battery cut the mustard with this?
You would need the right type... These beauties pull some serious amps
Hey man, what a great vid! Did you design the electrode tip yourself? Either way, do you perhaps have a link to the model ;)
Thats the kit how i received it
@@HBPowerwall I emailed keenlab and they sent it to me :)
I wanted to know where you got the STL file for the electrode holder??? I just put my kweld together
in description buddy
Didn't quite catch - where did the STL for electrode housing come from?
Glad i could help :)
nice one spot welder
Yes, thanks
where did you find that and what is it called and did you give that one spot welder away that you was talkin about
this one is a kWeld unit - facebook.com/groups/KWeldNorthAmerica/ not giving it away but it's available to my local community to borrow
Tell me about thermal camera..
hi, where do you get those batteries ? from recycled battery packs or what? if so, can you tell me where you get them and for how mutch ? :D thank you
I get them from all over - if a company has a IT department they are fair game.. Challenge these days is get them before the recyclers do so you pay less & they aren't picked over for the good cells.
@@HBPowerwall ok thank's :)
any time
Picked up the sunko 737G + and it will not weld 0.15mm pure nickel. What is the limitation of your spot welder?
I haven't found it yet lol EASY plus 10,000 welds could be double that awesome unit
@@HBPowerwall what was the thickness of the pure nickel strips you used in your video?
0.15mm and its nickel plated i'm led to believe now
Could you share which power supply do you use and do you have a link to those 3D printed parts?
BEST battery is rover.ebay.com/rover/1/705-53470-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com.au%2Fitm%2FRC-Turnigy-nano-tech-5000mah-3S-65-130C-Lipo-Pack-w-XT-90%2F152681729261&campid=5338074967&toolid=20008 and the printed parts are in the description
Hi bought a kit but I am having a hardtime finding your plastic 3D designs. I dont have or want a FB and unless I signing it comes out blank not sure if thats where host the links
Keith took care of it. Thank you so much for inventing this thing! ITs Awesome!
How much is the spot welder?
Link to a facebook group where you can buy is in the description bud
@@HBPowerwall thanks
En cuanto venderías una lista para usar
Allways do the serial connections first... Why is everybody doing it wrong?
Didn't know it was a thing, now I do, I'll look into it :)
Serial connections (strips) carry all the current, so you want the best contact with cells - lower resistance - less heat - less voltage sag
Ok see THAT makes sense! Ty
Nice
Thanks
Where can I get the spot welder kit from I live in Australia and can not find any.
you have to get them out of the states or europe i think no aussie stockist yet
@@HBPowerwall Thanks for that where did you buy yours from.
awesome video you convinced me to snag one up I also love the tunes!
Thanks for the feedback -
you won't be sorry it's a great spotwelder
Is it possible to use 4S Lipo's instead of 3S as power supply?
As long at it can handle the inrush of 1000 odd amps
Top!
Very good!
Thank-You sir
Any good and cheap data logger for three phase AC? Thx
Not that I now of
Did I miss something? Where is the high current source?
Big Blue battery on the back wall :)