[TheForge] Re: Hammering blades (Was: Spring steel...)

[Mike Spencer]

> Dishing the blade does as Mike describes, it stiffens the blade so
> it doesn't warble in use. Warble is the term a sawmill guy used,
> it's a combination of wobble and describes the sound it makes just
> before the stuff hits the fan.

Thanks for the new word, Jerry.

> My personal experience with the effect is from Father's metal
> spinning shop.  It was often necessary to put a little backward
> (toward the sailstock) dish in the blank's edge before spinning
> proper.... The bend put structure to the blank so it had to go
> through a compound bend to warble.

Makes sense to me, given the long-standing tradition with the saw blades.


- Mike

-- 
Michael Spencer                  Nova Scotia, Canada       .~. 
                                                           /V\ 
mspencer at tallships.ca                                     /( )\
http://home.tallships.ca/mspencer/                        ^^-^^