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| vtsteam:
It's acting like cold rolled steel, which, I suppose makes sense. I wonder if you heated it up and plunged it (brass annealing process) first, if that would have relieved the internal stresses enough to saw straight on the band saw? |
| S. Heslop:
--- Quote from: vtsteam on July 27, 2015, 08:21:57 PM ---It's acting like cold rolled steel, which, I suppose makes sense. I wonder if you heated it up and plunged it (brass annealing process) first, if that would have relieved the internal stresses enough to saw straight on the band saw? --- End quote --- I'm curious now too. I suppose I could've set that firebrick thing up again and slowly fed the bar through, it'd anneal just cooling in the air as well. But it's a bit late now. |
| vtsteam:
I believe that, unlike steel, you heat to red heat and plunge brass to anneal. Steel, of course hardens if you do that. But I think brass is opposite. |
| S. Heslop:
--- Quote from: vtsteam on July 27, 2015, 09:41:08 PM ---I believe that, unlike steel, you heat to red heat and plunge brass to anneal. Steel, of course hardens if you do that. But I think brass is opposite. --- End quote --- In the past i've just let stuff air cool, I figured with brass you only had to get it hot and it doesn't really matter how it cools. |
| S. Heslop:
Set up to cut the heel. Waiting for glue to dry on it before I put real clamping pressure on, but I also need to drill a few holes to accommodate the screws for mounting it to the rim. Which'll probably be easier to do while it's still flat rather than curved. It's raised up about 2 degrees backwards tilt, and also about .5 degrees to the side so that the strings line up properly. Also still working on the shoes. Had to cut that short since people were getting upset at the constant router noises; I was using the router table and a rotary burr to shape them. Unfortunately the way I originally intended (routing them like they were wood) didn't work since i'd sort of stuck them all to a bit of MDF with double sided tape. It was never going to be strong enough and I knew fine well, but I still wanted to try it. But i'm now just shaping them by hand with a handle screwed into the screw hole. |
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