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I have been welding for about a week now and am teaching myself. I have gotten some pretty decent looking welds, that when tested with a BFH were very, very strong. I have tried the roll of dimes thing and the straight, even line. I feel like I am getting better penetration and a better weld with a steady bead rather than the roll of dimes. I have on the other hand been bale to make some very, very strong and decent looking dimes. I am trying to learn the ways of the puddle and how to weld a good weld before I go trying to make it pretty. My question is, when do I know that I can try to make it pretty? How do I know if I am getting better? What methods do some of you guys use to determine whether or not you are getting better or not?Any help will be greatly appreciated and result in many hours of more guided practice on my part.
Reply:Youre not giving much information about what youre doing, what method, what are you practicing on, photos would be nice.
Reply:I guess i will have to try to get some with my phone. I am currently using a Miller211 with .030 wire and 75/25 mix on mild steel. I have been doing multiple types of joints and thicknesses, obviously pics would be great. I was just wondering if there were any "real" ways to tell if you are good enough to fix a frame crack on an old 4x4 or something of the like. Aren't there tests, official type tests that can help determine quality without a camera.
Reply:If you have to ask, then I would say probably not...... not putting you down but you should be able to tell this on your own. Originally Posted by BinderBuilder I was just wondering if there were any "real" ways to tell if you are good enough to fix a frame crack on an old 4x4 or something of the like.
Reply:Originally Posted by BinderBuilderI have been welding for about a week now and am teaching myself. I have gotten some pretty decent looking welds, that when tested with a BFH were very, very strong. I have tried the roll of dimes thing and the straight, even line. I feel like I am getting better penetration and a better weld with a steady bead rather than the roll of dimes. I have on the other hand been bale to make some very, very strong and decent looking dimes. I am trying to learn the ways of the puddle and how to weld a good weld before I go trying to make it pretty. My question is, when do I know that I can try to make it pretty? How do I know if I am getting better? What methods do some of you guys use to determine whether or not you are getting better or not?Any help will be greatly appreciated and result in many hours of more guided practice on my part.
Reply:thanks winterminute, that's the kind of advise I needed.Spar-x, I am not sure the "go out and run it and see if it breaks" method is the best. The #1 frame crack I am needing to fix is a steering box bracket that was pulled from the frame. If i do a crappy job it could kill someone if it came loose and I lost steering.
Reply:I'll say this, In my journeys as a welder and occasional weld inspector. there's no such thing as a "gorilla" weld. that is to say strong but ugly. If you wet out properly have good bead apperance and correct penetration, it will both look strong and meet the strength requirements.as far as when you're ready to go onto doing structural components for things like cars, etc that goes beyond just welding ability. GMAW is not too hard to pick up and make a good weld especially with some practice. but there goes a lot more into repair like proper procedure. not to mention if something cracked there was probably a reason if you don't fix the reason WHY it cracked. it will often just crack again.
Reply:You are on the right track already. There are many pictures of good welds on this and other message boards for sight comparison. While this is not an ultimate test, it is a good starting point. As has been stated, a good weld will almost always look good as well. While beauty is in the eye as the saying goes, if you look at some of the welds that people are ooohing and ahhhing about you will get an idea what you are looking for. Smooth even bead appearance with edges tied in without undercut. Watch your HAZ which is the heat affected zone. This will show as a discoloration beside your weld on the base metal. It also should be even and not far out from your bead. Probably about the same width as the weld. This shows that your travel speed is consistent and not too fast or slow. There are many many other aspects but like I said, I think you are on the right track. Good luck!SA200,Ranger8,Trailblazer251NT,MM250,Dayton225AC,T D-XL75,SpoolMate3545SGA100C,HF-15-1 RFCS-14 When I stick it, it stays stuck!
Reply:Originally Posted by BinderBuilderSpar-x, I am not sure the "go out and run it and see if it breaks" method is the best. The #1 frame crack I am needing to fix is a steering box bracket that was pulled from the frame. If i do a crappy job it could kill someone if it came loose and I lost steering.
Reply:Originally Posted by Spar-XHow else would you suggest to test your frame repair? It will have to be tested somewhere, somehow, sometime by somebody......Who better than you "OFF ROAD"?
Reply:pm sent..No government ever voluntarily reduces itself in size. Government programs, once launched, never disappear. Actually, a government bureau is the nearest thing to eternal life we'll ever see on this earth! Ronald Reagan |
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发表于 2021-8-31 23:40:06