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#12354 - 10/22/13 08:43 PM AC Welding Advice
Porshaah Offline
New in town
Registered: 09/14/12
Posts: 2
Loc: Canada
Hi All

I have (new to me) a Cannox Sparkler 225 AC welder and I'd like to weld a wood chipper flywheel which has started to crack around the shaft collar. The flywheel is about 1/2" thick and about 18" in diameter. I was practicing some fillet welds on 1/4" plate but it took multiple passes to get acceptable strength using 3/32" E6013 rod and the welder set on 55 amps. I plan to grind the crack 1/4" wide and deep then fill with weld from both sides, but I'm not sure if the E6013 rod I have is OK and what I should set the welder current to.

All responses welcomed
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#12355 - 10/23/13 03:35 AM Re: AC Welding Advice [Re: Porshaah]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 651
Loc: Parry Sound Ontario Canada *****
I suggest not using the 6013....it has poor penetration
Get yourself some 1/8 7018 "AC" rods....I have bought them at Princess Auto in the past. I'd try running it around 100-110...practice a bit on some scrap.
Grinding out the crack is a great idea, grind one side as you figured, lay a good bead in the bottom then grind the other side down to the weld. Alternate from one side to the other with each pass to help prevent distortion of the wheel. This way you can get 100% weld without much worry of burning a big hole, clean all the slag off well between passes and you should be good. Let it cool as slowly as possible when done.
Others may have different ideas.
_________________________
If you can't weld well.....weld lots...
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#12357 - 10/23/13 04:52 PM Re: AC Welding Advice [Re: Lincoln]
JimC Offline
MBN Enthusiast
Registered: 04/17/11
Posts: 610
Loc: Virginia U.S.A.
I was going to suggest 90amps BUT all welders are not equal. You will have to experiment. I agree with lincoln, 7018....6013 is a cosmetic rod. Just bare in mind that you may have to balance the wheel when done.
_________________________
Life is what you make of it. So, why not make a working machine to make it easier.
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#12361 - 10/24/13 05:02 AM Re: AC Welding Advice [Re: JimC]
SteveC (NS) Offline
MBN member
Registered: 02/14/10
Posts: 411
Loc: Kentville, Nova Scotia, Canada
Linc, My general use rod is 7014 what are your thoughts on it?
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#12367 - 10/25/13 03:38 AM Re: AC Welding Advice [Re: SteveC (NS)]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 651
Loc: Parry Sound Ontario Canada *****
I think it's a great rod for AC welding, and general purpose.
It might be the rod to use for this application if done in the flat position. There isn't the "proper" storage restrictions like the 7018, that's because it's not a low hydrogen electrode.
The strength is supposed to be the same as a 7018 but apparently the penetration is not really great, better though than the 6013. It also is supposed to be an all position rod but recommended for flat and downhand only.
_________________________
If you can't weld well.....weld lots...
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#12369 - 10/25/13 04:48 AM Re: AC Welding Advice [Re: Lincoln]
SteveC (NS) Offline
MBN member
Registered: 02/14/10
Posts: 411
Loc: Kentville, Nova Scotia, Canada
Thanks for the info Linc. I often wondered why I didn't have to molly coddle my welding rod to keep it dry,low hydrogen, hmmm.
I try to do most (all) of my welding flat and downhand.
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#12370 - 10/25/13 06:07 AM Re: AC Welding Advice [Re: SteveC (NS)]
mdlawnguy Offline
MBN Enthusiast
Registered: 03/07/10
Posts: 878
Loc: maryland *****
Watch out not sure if that chipper is a home owner with lower balance. The larger commercial ones are really balanced.
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