[TheForge] Oxygen cutting -- was suggestion for abana and

Fri Aug 20 07:16:05 EDT 2004

BOF is basic oxygen furnace, as I recall...

Ray Miller
Cincinnati
> 
> From: "Ralph Sproul" <brhlbsmt at mcttelecom.com>
> Date: 2004/08/20 Fri AM 07:16:05 EDT
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Subject: Re: [TheForge] Oxygen cutting -- was suggestion for abana and
> 	localblacksmith groups.
> 
> 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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> 