Shamus Blargostadt Posted April 20, 2015 Share Posted April 20, 2015 Hoping someone may know about sashimi/sushi style knives. I notice that the handmade ones usually indicate if they're right handed or left handed. Every picture I've seen shows one side of the blade and a typically round symmetric handle. Does this mean the blade is sharpened on one side or do they get ground a special way, or perhaps both?Hoping to make a couple from some leaf spring steel as my next knife projects. Any tips appreciated. Quote Link to comment Share on other sites More sharing options...
Michael Cochran Posted April 20, 2015 Share Posted April 20, 2015 From what I've seen they are ground on the one side. I've thought about trying to make one of them using the laminated hc/mild technique but have yet to try. If you make one please show us how it turned out. Quote Link to comment Share on other sites More sharing options...
Shamus Blargostadt Posted April 20, 2015 Author Share Posted April 20, 2015 found this pic of a "traditional Japanese knife edge". Interesting grind there! This explains why there is a right handed and left handed blade. The "back" looks like a slight hollow ground. Quote Link to comment Share on other sites More sharing options...
Michael Cochran Posted April 20, 2015 Share Posted April 20, 2015 I haven't seen that profile before. The only ones I saw were more like the profile of a wood chisel cutting edge, straight on the one side and the bevel/grind all on the one side.Are you planning on doing a laminate style or all one steel? I'd suggest one piece for now, I've heard laminate blades can be quite a headache if you're not ready for them. We have a master bladesmith on here, maybe he'll chime in with some helpful advice. Quote Link to comment Share on other sites More sharing options...
swedefiddle Posted April 21, 2015 Share Posted April 21, 2015 One straight piece of higher carbon steel, vertical for the cutting edge. Another piece of steel welded to it, to support the always used cutting edge.Simple works the best.Neil Quote Link to comment Share on other sites More sharing options...
Shamus Blargostadt Posted April 21, 2015 Author Share Posted April 21, 2015 I was going for one steel (spring steel) I'm still a beginner. Always wanted one of these but could never afford one. Quote Link to comment Share on other sites More sharing options...
pike3e Posted April 23, 2015 Share Posted April 23, 2015 You are correct their is a small hollow on the back side. You are smart to learn on mono steel because the two layer method is fairly difficult due to the two layers having different properties after heat treat. Basically it often warps like a banana and you have to hammer it straight again, you will see Japanese smiths cold forging both before and after heat treat. I have not played with it enough to get proficient and there are a few blade blanks in the woods by my house that got thrown there after actually watching the steel bend after I took it out of the quench. someday I hope to get around to working with it more... Quote Link to comment Share on other sites More sharing options...
Shamus Blargostadt Posted April 24, 2015 Author Share Posted April 24, 2015 ah, that explains all of the cold hammering I saw on various videos on forging sushi knives. Quote Link to comment Share on other sites More sharing options...
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