[TheForge] Krause/Nazel type air hammer

Sun Dec 8 06:00:01 2002

Pete...

   That's what I said...   ;o)

   Jeff   ><>

----- Original Message -----
From: "Peter Fels and Phoebe Palmer" <[email protected]>
To: <[email protected]>
Sent: Saturday, December 07, 2002 9:26 PM
Subject: Re: [TheForge] Krause/Nazel type air hammer

> At 01:52 AM 12/7/02, you wrote:
>
> Jeff; I don't think that lapping and honing are the same thing at
all.
> Lapping grinds one component of the valve with it's mate directly
and
> automatically.
> Steve, Could be wrong here, but a tight and precise valve is
important to
> both efficiency and control. Plastic seals..well, it would take a
number of
> them..much harder than lapping the valve.
> Pete
>
>
>
>
> >Ok...
> >
> >    Now I see where I'm missing the thread here.  Lapping is
> >specifically using one part and a compound to make a perfect fit
with
> >it's mate, as in fitting engine valves.
> >     What I am starting to realize is that, apparently, we are
speaking
> >of  "honing" and yes... a brake cylinder hone is hard to beat for
> >smoothing small bores.  It's also easy to make a bore out of round
or
> >tapered with one.  Use lots of oil to keep the hone flushed clean ,
> >don't get in a hurry and keep it moving longitudinally in the bore.
> >It's easy to hang one of these up at any sort of speed and the
stones
> >will clog up in a heart beat if you don't keep them flushed.
Sorry
> >for the misunderstanding.
> >
> >    Jeff   ><>
> >
> >
> > > I am not an expert at lapping, but a brake cylinder lap can be
used.
> >You can
> > > buy them for around 15.00 at auto parts store.
> >
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