Subject: welded housing
From: Rotary Engine
Date: 8/19/2007, 1:04 PM
To: AARotary Engine


Hi Larry,

Question who's heat plate is that?

-Karl


Karl,
Unit is made by Barnstead International. Model HP131225 Thermolyne series.
Find them at barnstead.com
I use it to preheat parts for welding and for precision silver soldering. I
use the ceramic version so the flux from the silver solder doesn't effect
it. The temperature control is very accurate so it has many uses.
Just a warning on using it for Tig welding. When the part is hot and I am
ready to weld, I will leave the part on the hot plate, but turn it off and
unplug it. Make sure you have the welding ground connected directly to your
part, and then turn the hot plate back on when you are finished welding to
control the cool down.
Larry


Larry,
Thanks! Always nice to see a really great practical way to do something and
product.

-Karl

This would be very helpful for tig welding thick or cast aluminum too !!
I hate preheating with a gas torch.

-dave

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