[TheForge] Silicon bronze

[Larry Brown]

Do they have any more of the material the gear is being made of for a test
weld?
Preheat probably wouldn't hurt and would help get the puddle started

L Brown

-----Original Message-----
From: TheForge [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Dave
Mudge
Sent: Thursday, March 10, 2016 12:32 PM
To: Blacksmithing List Sponsored by ABANA
Subject: [TheForge] Silicon bronze

I have a client that makes large gears. He is making a brass  (or similar
alloy ) gear that is roughly 6" wide and 36" diameter. Somehow they cut a
gouge in the top of one tooth. Maybe 1/2" wide and 1/2" deep and a couple
inches long. Asked me if I could silver solder the gouge. I said that one
really can't "build up" silver solder but I happen to have a large spool of
Silicon bronze mig wire. I am sure that I can fill the gouge with that. Any
ideas on machine settings (Millermatic 251) or preheat or process? Anything
will be helpful. thanks, dave
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