[TheForge] Oxygen cutting -- was suggestion for abana and localblacksmith groups.

[Ralph Sproul]

Hi Dave,  Would a BOF be a burn off furnace?  I'm just guessing as I haven't
heard that term.

Imagine the delight when a traveling salesman showed a blacksmith a cutting
torch !

Ralph

----- Original Message -----
From: "David E. Smucker" <davesmucker at hotmail.com>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Wednesday, August 18, 2004 6:33 PM
Subject: Re: [TheForge] Oxygen cutting -- was suggestion for abana and
localblacksmith groups.


> You are so right.
>
> We have become so used to using Oxygen for burning / cutting that it is
easy
> to forget that we have only had this for about 100 years.  Before that it
> was saws, cold chisels and hot cuts.  "Tonnage Oxygen" was a product of
WWII
> and the development of German rockets.  It became the driving force behind
> basic oxygen steel making.  About 60 % of the worlds steel comes from
BOF's
> today.
>
> Dave
> ----- Original Message -----
> From: "Gladish Family" <gladish at cnw.com>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Wednesday, August 18, 2004 5:22 PM
> Subject: RE: [TheForge] suggestion for abana and local blacksmith groups.
>
>
> > And a bow drill, just so we can appreciate how good we modern smiths
have
> > it!
> >
> > >
> > > "terry l. ridder" wrote:
> > >
> > > > there would also need to be an objective way to score the quality
> > > > of the cuts.
> > > > how much cleanup work is required?
> > > > warpage?
> > > > deformation?
> > >
> > > Also absolute thickness of material that can be cut and
> > > what the quality is like.  Thinnest material the torches
> > > will cut and the quality there.
> > >
> > > What is the potential for precision in cutting?  Can the
> > > torch be used with mechanized cutting machinery?  What is
> > > the flame front like?  Does it obscure the cut line or is
> > > the line clearly visible during cutting such that the user
> > > can see where they are going?
> > >
> > > Ergonomics of the torches themselves.  How easy is it to
> > > change tips?  Can they be changed without tools?  Can they
> > > be safely changed "hot"?  Does it require special tools or
> > > standard wrenches?
> > >
> > > What is required for standard maintenance?  How is the torch
> > > built and what are the potential dis/advantages when something
> > > major must be repaired?
> > > >
> > > > cutting speed vs thickness of metal would be a good test.
> > >
> > > Fuel consumption v. thickness.  As claimed on the
> > > Petrogen page, the thicker the cut the more economical,
> > > which seems very plausible to me.  But is it actually
> > > true?
> > > >
> > > > an good all day demonstration would benefit everyone.
> > >
> > > Video-captured, multiple cameras, professionally edited and
> > > produced.
> > > >
> > > > would be nice to video tape the complete demonstrations and make the
> > > > video available either for download or on a cdrom/dvd.
> > > >
> > > > i would be tempted to arrange a demo in northern illinois but i have
> no
> > > > idea how many blacksmiths/metalworkers would be interested in
> attending.
> > > > depending on the number attending may require a different location
to
> be
> > > > used.
> > >
> > > Asking here is a good place to start.  Put out a call to the
> > > local groups and ask for responses, giving plenty of lead time,
> > > like three months, but not much more so people don't forget.
> > > >
> > > > it would be nice to have a ballpark number of attendees to give the
> > > > potential demonstrators.
> > >
> > > That's what RSVP is for.
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