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New lining for the iron furnace

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vtsteam:
Mathew is your present furnace used for iron? Or do you plan to use the future one for iron?

vtsteam:
I think the first casting I'd like to pour will just be a 2" solid cylinder of cast iron. That would come in handy for making pistons in the sizes I'm interested in. I'm thinking it may work to just pour that vertically with an open top. In which case it also doesn't need much of a flask -- I've done that before in a stainless kitchen canister with just some greensand packed around the pattern.

I did much the same thing with the Tee slot bars for the carriage on my new lathe.

mattinker:

--- Quote from: vtsteam on January 19, 2022, 08:43:20 AM ---Mathew is your present furnace used for iron? Or do you plan to use the future one for iron?

--- End quote ---

The kiln I referred to is a ceramics kiln on which I used the sodium silicate, I was running it at up to 1100°C , the sodium silicate easily resisted those temperatures. I have bought the Zirconium silicate and the Kaolin which I intend using on a cast iron foundry. the kaolin which is porcelain clay fires at 1300° plus, I don't know how it will react with the Zirconium, but I think it's worth a try!

Cheers, Matthew

vtsteam:
Mathew, that should be really interesting.  :coffee:

I spread out a new tarp in front of our home woodstove (with permission!) and have been drying the greensand that way, but it is still very slow going!

awemawson:
Keep the cat off it  :bugeye:

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