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Thanks for the thread! Have you ever made a knife out of a railroad spike? How do they hold up? Of course they're not going to be as good as a modern special-purpose alloy, but can you make a passable knife out of one? I forged a couple of blanks and I'm trying to figure out where to go from here. I'm working on getting a large belt sander/grinder in business, which should help a lot with honing and such.
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# ¿ Sep 14, 2013 15:11 |
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# ¿ Apr 27, 2024 13:08 |
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His Divine Shadow posted:I dunno if this is the right place to ask this, but I am building a small belt grinder that will use 2x36" sanding belts. I intend to use it to sharpen chisels, plane irons and knives. It'll be a home built contraption like a wooden harbor freight lookalike. My question is where do I want to go slow and where do I want to go fast? I'd say it depends on your use- sharpening proper you want to go slow, so you don't overheat the metal and ruin the temper. Big belt sanders are also perfect for removing a shitton of material fast, way better than a normal bench grinder. If you're doing shaping or anything where you want to remove material as fast as possible, then yeah a big fast sander with a coarse grit will loving vaporize any material it touches. So I'd say slow is for sharpening proper, fast is for shaping. Obviously you can do both with either. I sharpen my wood lathe chisels freehand on a medium-speed 2x72 belt sander, just a light touch and dunking the work piece in water to keep it cool.
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# ¿ Dec 28, 2015 18:56 |