Elsewhere we were talking about using automotive springs for razors. During that conversation the topic of coil springs came up, so I thought that I would share how I build a razor out of a coil spring. This is off of a 3/4 ton Dodge Ram, so it is pretty thick. (My buddy installed a lift kit in his truck and gave me the old springs) My biggest goal here is to show you how much steel it takes to make a razor. Now I could of gotten more width out of this piece if I had decided to forge more of the edge bevel, instead of grinding so much of it out. As it is, I simply forded it flat and to the correct profile. From there I ground it.
The pictures with the anvil are before it ever saw a grinder. It ended up being 0.35" after forging and over an inch wide. You can see that going from forged to rough ground, it lost a fair amount of thickness and is currently at 0.315". I still have more polishing to do as well. If people find this useful, I show how I do it on a leaf spring as well, so you can see how I thicken them up.
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