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AC/DC Welding Questions


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  #81  
Old 07-02-2019, 08:17:15 AM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

I am leaning toward the wisconsin, it has had a complete rebuild and no radiator to deal with. my orignal plans were to install it into my aircompressor housing that the compressor crapped out in but the welder wont fit, its too big!
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  #82  
Old 07-02-2019, 12:40:24 PM
Vanman Vanman is offline
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Default Re: AC/DC Welding Questions

I've always wanted a Wisconsin V-4, so I'm partial to that idea.
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  #83  
Old 07-02-2019, 12:57:37 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

they are crazy expensive to rebuild! I lucked up and found a dealer that was about to retire, he had his stock listed on ebay and the boxes had alot of dust on them but they were OEM parts @ 1970's prices. No doubt i scored finding him!
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  #84  
Old 07-07-2019, 11:00:59 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

I know, I know, i am slacking! I got some real sleeving! real good stuff and cant decide where to use it! If i can get one more piece i will just do it all. problem is, my friends grandson is the one that gets it and he and grand pa are at each others throte at the moment.......
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  #85  
Old 07-08-2019, 08:20:31 AM
cobbadog cobbadog is offline
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Default Re: AC/DC Welding Questions

Then 'cut out' the middle man and go direct to junior.
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  #86  
Old 07-08-2019, 02:18:02 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

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Originally Posted by cobbadog View Post
Then 'cut out' the middle man and go direct to junior.
He moved out a few months back, finally got off of his rearend and got a job and i dont know where he lives now. its in the next county somewhere. I have another source and have asked, yeah i can get you some. thats been some time ago now.
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  #87  
Old 07-11-2019, 08:59:05 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

i know this project has went stagnant, just bear with me. grandpa and grand son made up and he has put word in his ear i need another piece of sleeving so i may get it saturday. this is the stage of working on something that the worst for me! you dont know if you are throwing $ down the toilet or not, that one bearing is $60 plus shipping and is currently out of stock. other places its well over $100. so if he get me the sleeving and they get the bearing restocked things will get interesting quick! either the build will go on or i will be all out. so keep in mind this is killing me too!
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  #88  
Old 07-12-2019, 02:05:33 AM
cobbadog cobbadog is offline
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Default Re: AC/DC Welding Questions

Good to hear that they have kissed and made up.

As for the project have a bit of faith in old items, they were built to last and be repaired, full steam ahead.
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  #89  
Old 07-12-2019, 08:38:26 AM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

the biggest thing that worries me is the paper insulation, it may not even be needed, i have never seen it in anything other than high voltage areas where extra insulation was required due to extreamly high voltage and space was limited. think we used nomex, but that was voltage over 10k that could jump 6"+. the paper in this one is between the stator coils and the outside housing "stator" and it has aged!
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  #90  
Old 07-12-2019, 01:32:36 PM
ibdennyak ibdennyak is offline
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Default Re: AC/DC Welding Questions

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Originally Posted by Tracy T View Post
weighing out engine options, I have 4 choices and i am on the fence about it. I have a 30 HP wisconsin vh4d that has maybe two hours on my rebuild, so i know the condition of that engine and it already has a govoner. I have a onan djc that runs but condition is unknown and it has a govonor as well. I have a International harvester 4 cylinder that i reworked the bearings in that runs quite well and it has a govonor as well. then there is the fourth option, PTO drive it off of my tractor which has a fresh engine job in it also as well as its own govonor. thoughts? suggestions? would more than likley have to belt or chain drive it with the tractor or the wisconsin to get the rpm right. if i did my math right 300 amp @ 40 VDC would just need a little over 16 HP to run it, so i pretty much have that covered with any of the 4 options.......
The lincoln 400 amp I had (or maybe it was 600) had a 326 Buda. I used to have a Miller big 40 that ran a F163 continental (very similar to a Lincoln SA 200) I now have a Lincoln Weldanpower (225 amps) that uses an Onan performer with 16 hp. Just throwing it out there for what it's worth. The Wisconsin I would guess would be enough for anything normal. Other than using Stoody build up wire, or with the old Lincoln, playing with the biggest rods I could find, I never maxxed any of them out.
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  #91  
Old 07-12-2019, 01:44:17 PM
Vanman Vanman is offline
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Default Re: AC/DC Welding Questions

Do all of the field windings show open circuit to the field frame? You could remove the pole shoes and coils, and paint all of it with the insulating varnish...

I was thinking that you could have a motor shop give the armature a dip in their vacuum varnish tank.

Do you have a megger?

Keith
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  #92  
Old 07-12-2019, 02:08:31 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

no megger, thought about making one though! how much voltage do they put out? I am afraid my idea may put just a little too much fire in the wire! was thinking 70's era GM HEI! best i recall 60k volts. may could do it with a points style dist. or even a old model t buzz box, and i just so happen to have one of those on hand!
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  #93  
Old 07-12-2019, 03:27:47 PM
Vanman Vanman is offline
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Default Re: AC/DC Welding Questions

Haha, no, not that much voltage. 500 volts DC should be good, but an actual megger is very current limited to avoid damage. The motor shop might megger it for you.
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  #94  
Old 07-22-2019, 05:57:28 PM
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Default Re: AC/DC Welding Questions

well, i finally got my other piece of sleeving yesterday. going to the local bearing place and see just how much they want for the bearing sometime this week. I am almost afraid to ask, they have a large bearing on display its been there since i was a kid and the price tag is still on it. $15k! Thats one DAMN expensive bearing!!! I may load it up and take it to the motor shop if they will meg it out reasonably, thats a fine idea! I should do that first before i spend any more on it.
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  #95  
Old 07-29-2019, 12:22:30 AM
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Default Re: AC/DC Welding Questions

been sick today, fever aching the whole nine yards. But i did manage to get some time in on the welder! heavy duty sleaving/ shrink tubing got installed. I talke with the fellow yesterday that got the sleaving and he is going to hook me up with the rattle can insulation. I need to get back in touch with him because i need about 8 more inches of sleaving and that will be finished up. I will post pictures of what i got done today, I would have posted them today but I am under the weather at the moment. I HATE BEING SICK!!!!!
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  #96  
Old 07-29-2019, 02:06:25 AM
cobbadog cobbadog is offline
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Default Re: AC/DC Welding Questions

Sounds like "man flue" to me. Soldier on fella you will get better!
Good that you have been able to achieve a lot even though being unwell.
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  #97  
Old 09-06-2019, 11:36:01 AM
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Default Re: AC/DC Welding Questions

well after playing catch up with all the bills that come due this time of year maybe i can get back to this project! last month or so has been rough on the wallet! taxes, car insurance "yearly" two vehicles with inspection comming due and fuel oil for heat this winter, sold one project to cover some of these bills and thats one more thing out of my hair! just ordered two cans of sherwin williams S00609 insulating varnish a few minutes ago. local motor shop was of no help! two cans shipped for under $25. one shop had part of a can that was old and said here if it will spray you can have it. it sprayed a little, looks like its good stuff, and was certainly budget friendly! amazing what a little color will do to the looks of the windings and put me in a better mood as well
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  #98  
Old 09-08-2019, 04:17:23 PM
Tracy T Tracy T is offline
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Default Re: AC/DC Welding Questions

so I have been pondering just how to throw DC power to this rig? I have a parts 100 amp transfer switch, think the contacts will hold up?!!?? maybe a ford starter solenoid?
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  #99  
Old 09-08-2019, 05:05:12 PM
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Default Re: AC/DC Welding Questions

Apply DC to the welder generator, just to see that it will motor? I just used jumper cables.
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  #100  
Old 09-08-2019, 05:08:17 PM
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Default Re: AC/DC Welding Questions

I have no idea how many amps this thing will draw, and sure dont want to melt a post off of a battery! How many volts did you apply? I am thinking 36 or 48.
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