[modeleng] Re: Melting and Forging
- From: "Jeff Dayman" <jeffdayman@xxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Tue, 26 Oct 2004 08:31:51 -0400
You're going to have the best smelling foundry around TEL - fans of chips
will be coming from miles around.
Seriously though - you may want to strain the cooking oil to remove any
lumps or bits of food before passing through the burner, the 1.5 mm orifice
will plug easily. You wouldn't want that in the middle of a melt.
The cooking oil should give you lots more kJ or BTU's of heat, cheaply. The
sketches Lee sent are great, I like the oil tank idea pressurized by
compressed air. Might be a good idea to have two oil pickup lines though,
one longer than the other, like the reserve fuel tap arrangement on
motorcycles. You would feed from the shorter one, and when it runs out you
would a) know the oil was getting low, b) you could switch to reserve and
continue the melt, knowing a fuel refill is needed.
Is your furnace lining magnesia? If you're planning to melt iron it should
be. Regular firebrick or silica refractory is fine for aluminum or brass but
not iron, it won't take the higher heat.
Good luck, Jeff Dayman Waterloo Ontario Canada
----- Original Message -----
From: "Terry Lane" <tel@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, October 26, 2004 7:20 AM
Subject: [modeleng] Re: Melting and Forging
> Very timely thanks Lee - just today obtained a regular supply of used
> cooking oil - LET THE EXPERIMENTS BEGIN.
>
>
> > Tonight I just happened to put my hand on the May/June 2000 issue of AME
> > there is a good story on doing iron castings using oil and propane to
heat
> > the furnace. I have put pics of the oil bottle and the burner here
> > http://tinypic.com/ehiip
> >
> > http://tinypic.com/ehj7a
> >
> > I think back issues are still available
> >
> > Lee
> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
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>
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