Blade Straightening

tom hyle · 30th January 2005, 04:51 PM

Nice clamp; I don't know that it'll help much with the spring temper issue. Japanese swords, are, of course, soft, with hardened edges, and sometimes approximately spring-tempered skin-steel over a soft core; much easier to bend. The tool that used to sett the teeth of saws (called a saw-sett) is a tiny vice that works by the 3-blocks method. So on a small scale this is a routine procedure. Remember though, that this point has already been stressed; I've encountered people who prefer to rebend to a slight "s" for this reason; to not double-stress the same exact spot, but one 1/2 inch over along the blade.

30th January 2005, 04:51 PM	#9
tom hyle Member Join Date: Dec 2004 Location: Houston, TX, USA Posts: 1,254	Nice clamp; I don't know that it'll help much with the spring temper issue. Japanese swords, are, of course, soft, with hardened edges, and sometimes approximately spring-tempered skin-steel over a soft core; much easier to bend. The tool that used to sett the teeth of saws (called a saw-sett) is a tiny vice that works by the 3-blocks method. So on a small scale this is a routine procedure. Remember though, that this point has already been stressed; I've encountered people who prefer to rebend to a slight "s" for this reason; to not double-stress the same exact spot, but one 1/2 inch over along the blade.