[TheForge] Air hammer return stroke

[Steve Smith]

I started writing why I thought this would take some complication, and 
came to the conclusion I shouldn't be so sure of what I was thinking. 
I'll try this (when I get to that point).

Thanks,
Steve

DragonsWatch wrote:
> Hi Steve,
>     Sorry if someone else already suggested this, but.  Have you considered
> closing the exhaust air valve and let the air do the work.?
> 
> Larry
> 
> Steve Smith wrote:
> 
> 
>>So I'm still working on a self contained air hammer, although my
>>question applies to other hammers as well.
>>
>>When the ram is on the return, headed upward, it reaches a hard stop so
>>that the air cylinder doesn't bung itself up. I'm trying to figure how
>>to cushion the hard stop.
>>
>>A spring seems like a good idea. Unfortunately, there is quite a bit of
>>energy to absorb. If I did it right, I could do it with a stack of
>>Belleville spring discs. This would run about $50 buying them from MSC.
>>I sized them based on stopping the hammer in less than 1" travel (which
>>makes for a lot of spring washers). The rod on the cylinder that the
>>discs would go around is 1 1/8" diameter. A large coil spring would also
>>work, but I don't have a source for one.
>>
>>Any other suggestions out there?
>>
>>Thanks,
>>Steve Smith
> 
> 
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