[modeleng] Re: Work in progress

Harry,

Don't do it.  The arc will vaporise the cadmium in the silver solder.

Regards
Ron

----- Original Message ----- 
From: "Harry W. Wade" <hww@xxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Thursday, October 18, 2007 4:53 PM
Subject: [modeleng] Work in progress


> It's been kind of quiet here lately and I've not done much of anything 
> worth breaking the silence over, but some time ago I began the fabrication 
> of the smokebox saddle for my 2X TICH which I am building up with cut and 
> milled pieces of 1/4" steel plate.  I initially envisioned welding this 
> assembly together but I am an aBYSmal welder so I caved in and decided to 
> silver solder.  This went well enough but I have a final piece of plate to 
> add which could not be added until some machine work and hand shaping was 
> done on the basic assembly, after which more machining and hand shaping 
> would be done.  This has raised a question.  If I want to add the final 
> piece by welding (and I'm not certain I will weld it), will the weld 
> "take" as it passes through the soldered areas or will it not adhere?  My 
> guess is it will probably burn through as if it was a patch of oxide.
> Cheers,
> Harry wade
> Nashville USA
>
>
> Regards,
> Harry Wade
> Nashville Tennessee
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