[AT] welding problems

[charliehill]

John, maybe you can find something here.

http://www.hyundaiwelding.com/eng/product/material01.asp



----- Original Message ----- 
From: "John Hall" <jthall at worldnet.att.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, November 15, 2009 8:29 AM
Subject: [AT] welding problems


> OK stick welding experts, got one for you. The welder we have is a 40+ 
> year
> old Marquette, bought new for use here on the farm. I had to buy some more
> welding rods over the past several months and unfortunately had to switch
> brands. We had always used Hobart (or possibly Lincoln) rods. The welding
> supply chain now only sells Hyundai rods in small quantities (10 lb) 
> boxes.
> I can't justify buying 50lbs of Hobart rods.
> Anyway, on to my problem. I picked up a new box of 1/8" 7018 rods to do
> some repair on my subsoiler. I set the welder as high as it would go (180)
> and could not get it to weld. All I could get was a couple of arcs and
> sometimes the rod would stick.  Before you ask, yes I cleaned where I was
> welding, cleaned the ground area, made sure the terminals on the welder 
> were
> clean, and even cut off and reinstalled the end of the ground cable where 
> it
> goes into the clamp. I also tried grounding and welding on 3 different
> pieces--all of varying size and thickness.  I resorted to using 3/32 rods
> with the welder set on 125. It would run those rods so hot that they would
> almost turn red before it was time to switch. I know I have used 1/8" 7014
> before, so my question is this--Is there a difference between 7014 and 
> 7018
> that makes the 7018 require a higher setting on the welder, Is there
> something wrong with the welder, or is it something to do with these
> imported rods?
>
> John Hall
>
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