[TheForge] Krause/Nazel type air hammer

Mon Dec 2 18:40:02 2002

I have the Krause plans, they are available from him I can't find his address
but his e-mail was [email protected] I don't know if this is still current.
The booklet not really plans it is more an explanation of the Nazel hammer and a
description of what he did on his hammer. There is a lot of good information in
the book and the description of the way the Nazel works is very good.
I had considered building a Krause hammer but there was just too much machining
involved I can get access to a mill but there is a lot of lathe work not just
the valve but also in the drive cylinder.  I think you could modify a type of
spool valve to build the valve.  I decided to go with the Kinyon design because
I thought I would have a better chance of eventualy getting it done there is
MUCH more work in the Krause design.

John

lama wrote:

> Steve, I don't know about yardsticks, but I don't think that one
> can compare Kinyons & Nazels. It's like apples & oranges.
> I would love to have a Nazel,,,, and if I could find one in
> working order for $1,000 I would grab it. I guess that the bottom
> line here is that we are talking about folks building their own air hammers.
> The Nazel is not a homemade hammer, the Krause & Kinyon are.
> Kinyon = (no machining necessary) (you need a compressor)
> Krause = (advanced machining skills required) (you need a lathe etc.)
> Now if Krause would offer the plans AND sell "the valve", I'll bet that
> he would have a lot of business. I know that I would seriously consider
> using that system on my big hammer, but I don't have any machining
> skills and I don't have a lathe.  I still haven't found out if there are
> published plans available. Where? how much?
>
> dave m
>
> ----- Original Message -----
> From: "Steve Smith" <[email protected]>
> To: <[email protected]>
> Sent: Monday, December 02, 2002 8:46 AM
> Subject: Re: [TheForge] Krause/Nazel type air hammer
>
> > It sounds like my Kinyon comments are being taken as critical of the
> > design. That was not at all my intention. I realize the hammer can do
> > lots of useful work, and certainly respect Kinyon's contribution.
> >
> > The way I think about the difference between the hammers (please add or
> > subtract as you folks see it) is as follows:
> > A Kinyon is like moving a ball bearing with a yardstick. The bearing
> > moves just fine, but when you try to reverse it, it takes a bit to
> > regain control.
> > A Nazel is like moving a ball bearing with two yardsticks, one on each
> > side. You can put it right where you want it.
> >
> > The ball bearing is the hammer head, of course, yardsticks are air.
> >
> > Hey, please keep up this discussion; I'll be out of town until Thursday.
> >
> > Steve
> >
> > lama wrote:
> >
> > > air through the spool valve to the top of the cylinder, forcing it down.
> A
> > > little
> > > exhaust causes a little movement of the cylinder (ram, head, top die)
> and a
> > > light tap. A heavy foot on the exhaust valve (treadle) causes a heavy
> blow.
> > > This hammer hits a lot harder than my 50# Little Giant ever did.  The
> > > downward
> > > movement of the ram activates a pilot switch. The pilot switch tells the
> > > spool
> > > valve to rout the air to the bottom side of the cylinder, thus forcing
> the
> > > cylinder
> > > upward and activating the pilot switch once again which tells the spool
> > > valve to
> > > rout the air to the top of the cylinder, thus forcing the downward
> stroke
> > > and
> > > the cycle keeps repeating. The Kinyon hammer does not have the ability
> to
> > > clamp & hold a piece of work. Bob Bergman's "KA-75" can do that quite
> well
> > > as will the "Blue" but @ $4,000, they are out of my price range. The
> Kinyon
> > > is
> > > not a Nazel or a Chambersburg or any of the Chinese / Turkish Nazel
> > > knock-offs.
> > > They cost $8k - $30k and are way out of my price range. The Kinyon cost
> > > about $1,000 or less depending on your local scrap yard. The bottom line
> is
> > > that
> > > the Kinyon design works quite well and there are lots of them around. I
> can
> > > think
> > > of 7 Kinyons in a 100 mile radius.
> > > I am not down on the Krause hammer at all. In fact I think that it's
> > > probably a
> > > great idea. I would love to see plans because there is still time to
> make my
> > > big
> > > hammer in that manner.
> > > dave m
> > >
> > > ----- Original Message -----
> > > From: "Steve Smith" <[email protected]>
> > > To: <[email protected]>
> > > Sent: Sunday, December 01, 2002 6:15 PM
> > > Subject: Re: [TheForge] Krause/Nazel type air hammer
> > >
> > >
> > >
> > >>Well, I'd like something larger than my current 25 pound LG. This gets
> > >>into a 5-7.5HP compressor pretty quickly from what I hear.
> > >>
> > >>I don't mean to bad mouth the Kinyon design; from what I understand (I'm
> > >>hoping Dave M. will jump in and improve me), Kinyon's push on one side
> > >>of the piston, then push on the other side. You can do a lot of work on
> > >>this style hammer, but it doesn't seem like you have a lot of control of
> > >>the ram position.
> > >>
> > >>Steve
> > >>
> >
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