[TheForge] Making power hammers

Fri Nov 29 20:01:01 2002

Thanks much. I really would rather go bolt on.

Steve

lama wrote:
> Steve, I have been using my Kinyon style hammer with bolt on dies for
> years and have never had trouble with the dies coming loose. The other
> good point about bolt on dies is that you can change them in just a
> minute or two. http://magichammer.freeservers.com/
> I used bronze on the ram ways of my 60 / 70 # hammer as suggested by
> Kinyon. I am building a much bigger 300# hammer and plan to use no
> buffer in the ram ways. Having had two 250# Moloch hammers and a
> 50# Little Giant that all ran metal to metal in the ram ways, I am sure that
> it will work fine. A little heavy oil once-in-a-while will do the trick.
> dave m.
> 
> ----- Original Message -----
> From: "Steve Smith" <[email protected]>
> To: "theforge" <[email protected]>
> Sent: Friday, November 29, 2002 5:59 PM
> Subject: [TheForge] Making power hammers
> 
> 
> 
>>I'm starting on building a Krause/Nazel type air hammer, and want to
>>start some discussion of various issues, most of which will be common to
>>all power hammers.
>>
>>Die holding
>>I'd like to avoid using a tapered wedge. I've seen several places people
>>using cap screws. Does anyone have firsthand experience with this
>>approach? I'm wondering if spring washers will be sufficient to keep the
>>screws from loosening, or if the situation is hopeless.
>>
>>Another possibility for the bottom die would be a tapered socket. I've
>>never heard of someone using this, but it seems like it would work if
>>the die is heavy enough to avoid bouncing.
>>
>>Ram slide lubrication
>>Are people pleased with their results using UHMW plastic on the ram ways?
>>
>>I guess that will do for starters.
>>
>>Steve Smith
>>
> 
> 
> 
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