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Nice JT! Can you get a picture of the crack?
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Anvil Building, Project.
- Thread starter JTknives
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JT, when you did the welding did you have the whole top piece hot to about 450-500f and the top of the post hot to about the same amount. If not, that is probably where your crack came from. Weld shrinks as it cools and can cause some tremendous pressures. With alloy welds it is advisable to stress relieve by preheat and then after the weld maybe you should have headed it all up to say 550-650 and kept it there for a while then wrapped it in koawool for a slow cool. You may want still want to stress relieve it as there may be a lot left. If you want to do this llet me know and I will get you some temp sticks. What ever you do don't drop that thing on your foot!
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Did the crack happen after or before welding the plate to the top?
JT, not to bust your balls or nothin, but why did you not fit the plate to the top of the block? You will be working off the corners forming bevels and stuff, and with the plate overhanging will lose a good bit of rebound and force. It will dissipate alot of the energy you are hammering into it. If it fit to the block then you would have all the mass under every part of the plate and be MUCH more effective.
JT, not to bust your balls or nothin, but why did you not fit the plate to the top of the block? You will be working off the corners forming bevels and stuff, and with the plate overhanging will lose a good bit of rebound and force. It will dissipate alot of the energy you are hammering into it. If it fit to the block then you would have all the mass under every part of the plate and be MUCH more effective.
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well i was thinking about that but then i decided to let it over hang a bit so i have a lot of welding space to fill up. the crack happened as i was welding it, but i have beat on it very very hard on the edges forging down some cold copper and it feels very nice. a million times better then it was. Its not going any where and believe it or not it has a nice ring to it, not ear deafening but a nice ring that keeps going after you stop hammering.
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Usual practice when doing heavy welding like this is to create a V channel by grinding a bevel on both the block and plate, then filling that with weld instead of an L joint like you did. That would have given you enough weld, and also kept all the mass under the whole face plate. For a super weld too you could have run a bead of hard facing rod in the very channel then 7018 over that to fill the rest in.
Like I said, not breaking your chops, I dig your enthusiasm and the fact you are actually DOING these type of projects, I just want to give you some info. Seems your feet get ahead of your head sometimes is all, but I also might be splitting hairs. If it works good and you are happy with it all right! Again kudos for actually doing it, that is too cool and something I have always wanted to do.
Like I said, not breaking your chops, I dig your enthusiasm and the fact you are actually DOING these type of projects, I just want to give you some info. Seems your feet get ahead of your head sometimes is all, but I also might be splitting hairs. If it works good and you are happy with it all right! Again kudos for actually doing it, that is too cool and something I have always wanted to do.
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