Re: Stainless tubing/gun drill

When I first got into machining, I was amazed at what my boss could
do. Somewhere along the line, I picked up the phrase that loosly
goes that a poor machinest can do a fair job with great tools but a
great machinest can do a great job with poor tools.

making a sword with stones and fire pits seems to fit the latter.
I have fit the erlier, but now am somewhere in between.

Dave

--- In CAD_CAM_EDM_DRO@y..., Bill Vance <ccq@x> wrote:
> On Wed Jan 2 22:34:43 2002, nielsenbe@a..., <nielsenbe@a...> wrote:
>
> >don't confuse gun magazines with accurate information. There are
dozens of
> >barrel makers and if there were mystical barrels from somewhere
else someone
> >would copy thier setup. The barrels made by kreiger, hart and many
others are
> >probably more accurate than bullets can be made.
>
> When they can show pics of the shop/personel, I would think it a
little better
> than, "mystical". What's that saying? A good craftsman never
blames his tools.
> Speed of operation does not mean the end product is better or more
accurate, et
> al. Nor does it mean that the products of a complex, modern shop
are
> necessarily superior to those of a primitive one. Care and
craftsmanship when
> dealling with a multitude of finicky details is not something a lot
of people
> want to have to deal with.
>
> As an example, the master metalsmiths of the world for almost a
thousand years,
> (the Vikings), made the most durable and beautiful pattern welded
Damascus steel
> sword blades in the world. There are a bunch of people today, who
don't want
> to go to all the time/trouble of making one in a modern shop. How
many fewer do
> you suppose there are who'd like to do it as the Vikings did, with
a hole in the
> ground for their forge, and an appropriate sized/shapped rock for
their anvil,
> and another rock to pound with?
>
> FWIW, I understand that the straightest, most accurate barrels
_in_mass_
> _production_, are being done in Canada for our M-16's. A
negatively rifled rod,
> (mandrel?), has a pair of tubes slide over it, one for the rifling,
one for the
> barrel proper. The whole shebang is then inserted into a rotary
hammer, and
> cold forged into a rifle barrel.
>
> Bill
>
> --
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***** 4-19!
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buy a
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