JP spot welder
- Thread starter riba2233
- Start date
mrzed
100 W
Jakov, I finally set up the welder and tried a couple test welds on old cells. I'm very impressed with the quality. Thanks for providing this kit as it allows us non-technical people to finally build a proper battery.
Golyo
100 mW
Great news.riba2233 said:
redmonkey01
10 µW
- Joined
- Jul 6, 2015
- Messages
- 5
So, I ordered one a while back for a production worker and it arrived safe and sound 
Just gonna update with some information that he's found, which probably won't apply to anyone.
He's put it through 2 life cycles now. Seems like the mosfets are the only things that die after around ~380000 welds. I ordered replacements from digikey, an easy fix, and he's up and working again. I like the design JP, good job!
The welder is hooked up to a 20kW power supply running 15VDC. He's welding stuff like 1mm steel and 0.4mm nickel on full, it's doing pretty good. Beats having a modified Miller welder at ~$2800 and that only lasts half a year.
I'm sure this isn't what your welder was designed for, but now you know some good numbers for lifespan since my buddy did the lifetime testing for you =P
I'll let you know if anything else comes up and when it finally quits, I'll send it back to you :lol:
Just gonna update with some information that he's found, which probably won't apply to anyone.
He's put it through 2 life cycles now. Seems like the mosfets are the only things that die after around ~380000 welds. I ordered replacements from digikey, an easy fix, and he's up and working again. I like the design JP, good job!
The welder is hooked up to a 20kW power supply running 15VDC. He's welding stuff like 1mm steel and 0.4mm nickel on full, it's doing pretty good. Beats having a modified Miller welder at ~$2800 and that only lasts half a year.
I'm sure this isn't what your welder was designed for, but now you know some good numbers for lifespan since my buddy did the lifetime testing for you =P
I'll let you know if anything else comes up and when it finally quits, I'll send it back to you :lol:
ridethelightning
1 MW
- Joined
- Jul 21, 2013
- Messages
- 2,010
WOW.
this is seriously impressive info!
this is seriously impressive info!
markz
100 TW
Riba, that is some good promo info that you should use on the first page, first post.
380,000 welds, is huge! I doubt the average to mid-level enthusiast would ever come close to that number.
To me that is outstanding, but perhaps I am a little reserved as the number 4 (at the time) is reserved. Vague I know.
But perhaps contex and clue, for me, 1550.
380,000 welds, is huge! I doubt the average to mid-level enthusiast would ever come close to that number.
To me that is outstanding, but perhaps I am a little reserved as the number 4 (at the time) is reserved. Vague I know.
But perhaps contex and clue, for me, 1550.
RedLithium
1 µW
Woah. What does a power supply look like that can pump out 20k watts at 15VDC? Doesn't sound cheap...redmonkey01 said:
markz
100 TW
1300 Amperes+
Perhaps it was a typo. Coulda meant 2kw, so 130A......maybe.
Perhaps it was a typo. Coulda meant 2kw, so 130A......maybe.
markz
100 TW
True, i just couldn't envision a 1kA PSU. But I'm sure they are out there. Expensive I bet.
dfr said:
That battery should be fine, and I don't think that welder harms the battery. About my amps I'm not exactly sure, but it's probably around 2500 A. Just be aware that 1000 CCA battery can actually give much more amps for bursts in milliseconds.
jimwebo
1 W
Hello.
It will work with a capacitor bank ?
It will work with a capacitor bank ?
jimwebo
1 W
On arrival my welder, I'll try it with my bank of capacitors 3F .
Regards
jim
Regards
jim
DaddyOh
1 mW
Haven't checked on thread in a while... any idea on when we will be sending you $$$$? Thanks
