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Re: Homemade Bandsaw Blade Welder


Ralph Hulslander
 

Bruce why anneal after? Where does any hardness come from unless you are quenching the joint after welding?

I like your method, that is how I will do it when I get around to doing it.

You can do the same with brazing rod.

Ralph

On Wed, May 8, 2019 at 1:36 AM Bruce Rogers brogers9941@... [4x6bandsaw] <4x6bandsaw@...> wrote:
?

I have found that a tapered (scarf) joint of about 3/16" long and silver solder is stronger than the original weld.? I take either a ribbon of 55% silver solder or a round piece hammered flat and I place it between the two pieces of blade (held under a little tension) in a home made fixture along with SS flux between the clean blade surfaces.? Then I heat it up with a propane torch until I just see it melt.? Then I remove the heat.? I get much better results than if I try to add silver solder to the joint.? When I added silver solder to the joint, the flux sometimes burned and interfered with the SS.? After, I anneal the blade with a propane torch.??

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