[TheForge] Speaking of cuts

[Ralph Sproul]

        Murf, Real good point.  I should have added that to my post on
cutting.  You need a neautral flame setting, and a clean tip...........AND
not only clean - but a FLAT end on the tip.  This really improves cut
quality.
        There is a nice tool sold at welding suppliers for making a tip
flat......unless your "wicked good" with a file.  The tool looks like a
milling machine bit in a tapered plastic sleeve for making the end of the
torch tip perfectly flat - this lends itself to a perfectly 90 degree flame
to the tip surface - and straight cuts.

Ralph

----- Original Message -----
From: "Michael H. Murphy" <blacksmith at comcast.net>
To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
Sent: Thursday, August 19, 2004 7:49 PM
Subject: RE: [TheForge] Speaking of cuts


> A friend of mine, who is a truly expert welder and cutter, told me that
most
> of these types of problems are caused by a dirty cutting tip.  The
smallest
> imperfection in the cutting port can really screw up the flow, and cause
all
> sorts of problems with the size and cleanness of the cut.  I listened to
> him, and I'm cutting a lot cleaner than I was before.  It's something to
> think about.
>
> Murf
>
> > -----Original Message-----
> > From: theforge-bounces at mailman.qth.net [mailto:theforge-
> > bounces at mailman.qth.net] On Behalf Of Charle B Vincent
> > Sent: Wednesday, August 18, 2004 8:23 PM
> > To: Sponsored by ABANA
> > Subject: Re: [TheForge] Speaking of cuts
> >
> > I can't tell you why, but I can tell you what I did to get around it.
> > I think the base problem is technique.   I tried more O2, less O2, more
> > fuel, less fuel.   It wasn't too little O2, in fact, if anything there
> > was too much, cranking back on pressure helped.    Finally, I tried just
> > barely weaving the the torch left right as I cut and that solved it for
> > me.
> >
> > Dave Brown wrote:
> >
> > > Sometimes when cutting it seems that I've burned through, only to
> > > later find that either slag or steel has puddled back into the cut and
> > > closed it up.
> > >
> > > Why?
> > >
> > > Dave Brown
> > > Heritage Smithing
> > > Green Bay, WI
> >
> >
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