I started a second machete blade over Christmas in Spokane, using 9/16" W-1 toolsteel drillrod from OnlineMetals. I didn't get the tip flared like I wanted, but other I was really happy with the forging. The flats were far more regular this time, with no major hammer marks. Last week I spent a lot of time finishing the blade. I filed the flats of it flat this time, which took a ridiculous amount of effort. I just want to get one of these done completely by hand and then I'll buy a belt sander.
Next step will be heat treating, but I'm having a lot problems getting clay to properly adhere for fancy differential-quenching. If I can't get that to work after a couple more attempts, I'm going to fall back to a basic full quench plus temper. Oh well.




Next step will be heat treating, but I'm having a lot problems getting clay to properly adhere for fancy differential-quenching. If I can't get that to work after a couple more attempts, I'm going to fall back to a basic full quench plus temper. Oh well.
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It strikes me that there would be some known procedures for doing exactly that. Perhaps it's a certain kind of extra-sticky clay, or maybe there's some kind of surfactact you have to wash the blade with?
Don't you have books on this topic!?
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So how do you planish-hammer to leave a good flat surface? Are you doing everything with your small sledge, do you have one with rolled edges or somesuch to keep from leaving edgemarks, do you have a fuller or flatter?
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