San Mai ?

M

Martin S.

Joined
Apr 17, 2007
Messages
115
How do you guys get the nice wave effect where the outer steel meets the core? I was thinking about precutting the outer pattern with a plasma cutter and then forge welding onto the core. Is that the correct way?
 
To get a wavy san-mai try this ( I did a deba knife this way once). Forge weld up the billet, draw it out, and rough shape the blade . You want it thicker than usual. Using a drawing hammer, forge a wide ladder pattern by making edge to spine blows about 1 inch apart (in the area that will be the blade). Grind the blade down to its finished thickness and you will have scalloped san-mai sides. Practice on a piece of scrap steel with mild steel sides to get it figured out.
Stacy
 
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