Posted by 135 Fan on November 23, 2008 at 17:34:57 from (24.70.95.205):
In Reply to: Re: mastercraft welder posted by bob whitmoyer on November 23, 2008 at 17:04:34:
As soon as I saw the post about a Mastercraft(Canadian tire)welder, I knew it wasn't to give a rave review. LoL I've seen the welder you're talking about. They claim it welds with 1/16 and 5/64 rods. 35 years ago puts us in the early seventies. I don't think they made these ultra cheap machines back then? Why would you drag the rod across the ground? That makes no sense. Preheating the rod would make some sense though. Stick the rod to the work for about 2 seconds and the rod will be warm. 70 amps is a little too cold for most 3/32 rods. 5/64 would be better and I think they only come in 6013? I don't know if I'd trust much with a really really economy machine like that. 7018 usually has more penetration than MIG and produces a stronger weld. MIG can be strong but on critical work, MIG isn't allowed. Back to the topic of an inexpensive welder. You would be far better to purchase a 110 volt, if that's what you need, wire feed welder and use the flux cored wire. However, I'd recommend you buy a name brand like Lincoln or Miller over a Mastercrap. Another option is a small inverter than runs DC. Princess auto had some on sale a while ago for $288, I think. 100 amps DC current. It was only about 20% duty cycle but 100 amps and DC current from an inverter would be night and day better than the Mastercrap. 100 amps would burn 3/32 rods which gives you a wider variety of rods to use including 7018 and 6010. See if you can take your machine back. You will never be happy with it and it will make welding very frustrating. Dave
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