[TheForge] brazing revisited

[Grover.Richardson at gtri.gatech.edu]

I hold my breath when welding, or have a fan that pushes things away.  I try to have a piece of cardboard placed so that the fan doesn't blow directly where I am welding.  Now I am not a real welder, I just do that job because I need to.  Anyone who welds for a living can see that when they see my work<G>.  It's great what a little grinding does though.

-----Original Message-----
From: theforge-bounces at mailman.qth.net [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter Fels & Phoebe Palmer
Sent: Monday, February 01, 2010 1:56 PM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] brazing revisited

Sounds good Grover..Wonder how tasty the paint fumes are?

Grover.Richardson at gtri.gatech.edu wrote:
> When I brush the heated parts of the metal the dead paint brushes off.  Where the metal was not heated, but there is splatter, merely sliding a piece of metal across the surface causes the splatter to fall off.  Since I usually start out with flat black anyway, it is sort of pre-painted.<G>
> 
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Woolley
> Sent: Friday, January 29, 2010 9:28 PM
> To: Blacksmithing List Sponsored by ABANA
> Subject: Re: [TheForge] brazing revisited
> 
> Grover.Richardson at gtri.gatech.edu wrote:
>> Another topic I thought of, instead of using splatter spray, I generally also just use cheap Home Depot flat black spray paint.  The splatter will "stick," but be loose enough due to the coating that it will come off very easily.  And I don't have to worry about getting the oil based anti-splatter coatings off.
>>
>>   
> 
> 
> What do you use to remove the anti spatter, lacquer thinner?  I remember 
> in the field one time some years ago we were installing a pretty large 
> expansion joint on a stack at a power plant.  It was stainless and we 
> had to do a lot of welding on it.  It was shaped like a bellows so there 
> was quite a bit of overhead welding which would have deposited a lot of 
> small balls of spatter.  They bought some powdered mixture that had to 
> be blended with water.  It was the consistency of light pan cake batter 
> that we brushed on.  When it dried we did all the welding and nothing 
> stuck to it.   I never saw it again but might be worth lookin up.
> 
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