[TheForge] Krause/Nazel type air hammer

Sun Dec 1 19:08:00 2002

I'd appreciate it if you did comment--I would like to have a better 
understanding of the Kinyon.

Steve

lama wrote:
> Bob, being a Kinyon user and advocate, I didn't address Steve's comment
> "just bounces between top and bottom"
> because it is obvious that he isn't at all familar with the Kinyon hammer. I
> think that the Krause hammer idea sounds very exciting. However as you
> implied, two years on and only a couple hammers working. There must be some
> dificult hurtle to overcome. I am not familar with the plans (if there are
> plans) but the general idea sounds great.
> dave m
> 
> ----- Original Message -----
> From: <[email protected]>
> To: <[email protected]>
> Sent: Sunday, December 01, 2002 8:54 AM
> Subject: Re: [TheForge] Krause/Nazel type air hammer
> 
> 
> 
>>steve,
>>
>>the idea is pretty straightforward but the transfer of idea to reality has
> 
> not been so straightforward as one would hope. krause demoed his hammer over
> two years ago. if it was a workable idea and so much better than the kinyon
> you would think they (krausehammers) would be all over by now.
> 
>>there has been a lot of talk over on the keenjunk site about this project.
> 
> mark krause was posting about his effort to upscale his design to a larger
> size. also a guy named john larson has had some success. there is a search
> feature at the keenjunk site to search for their postings.
> 
>>i'm surprised that none of the kinyon builders haven't responded to your
> 
> comment about kinyons "just bounces between top and bottom". from what i
> hear the kinyon hammers are doing a fair amount of work as they bounce. also
> a "very large compressor" isn't needed unless you do very large work. check
> out larry zoellers downsized kinyon that runs off a fairly small affordable
> compressor.
> 
>>bob (still using a 25lb LG)
>>_______
>>
>>
>>>The idea is pretty straightforward. You use a motor to drive a double
>>>acting air cylinder. This is connected to the ram air cylinder (also
>>>double acting) via the air ports. The air provides the give in the
>>>hammer that is done in a Little Giant with a spring and toggle arms.
>>>
>>>The big advantage over the Kinyon style is control. The Kinyon hammer
>>>ram just bounces between top and bottom (or the top and the work). The
>>>Kinyon can only push the ram from one side at a time (assuming I
>>>understand how the Kinyon works...). The Krause/Nazel hammer applies air
>>>to both sides of the piston. The side with the most pressure dictates
>>>which way the ram will move. The pressure can be reversed immediately by
>>>changing the foot treadle position (and altering the balance of
>>>pressure). This makes it much more responsive.
>>>
>>>It is also a way to avoid buying a very large compressor that I don't
>>>have a lot of other use for. Since I'm doing this for fun, I get to
>>>build it myself and mess around with something different.
>>>
>>>Steve
>>>
>>>mike wolfe wrote:
>>>
>>>>
>>>>Steve Smith wrote:
>>>>
>>>>
>>>>>I'm starting on building a Krause/Nazel type air hammer,
>>>>
>>>>
>>>>
>>>>Steve:
>>>>Tell me more about the Krause/Nazel type air hammer, I had seen it in
>>>>operation at the conference, and I had been waiting for Mark to go
>>>>further with its evolution, I also thought "Sid" was getting involved
>>>>with the project a while back.
>>>>I have not heard anything for a while until you had talked of it.
>>>>Are there new plans or new developments about the Krause/Nazel type air
>>>>hammer.
>>>>Any info would be wonderful..
>>>>
>>>>Thanks
>>>>Mike Wolfe
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
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>>
>>
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> 
> 
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