[TheForge] Power hammer Vs air hammer (OT)

[Peter Fels And Phoebe Palmer]

Just to confuse the issue, there are larger scale commercial 
hydraulic forging hammers...for example , Anyang lists one...Pete F

Demon Buddha wrote:
> That's a pretty good nit, I must confess.  I suppose we could pick nits 
> even more by making some arbitrary constraint about relative volumes of 
> fluid to solid, and then pick nits about the arbitry value.  Then, of 
> course, we could work our way down the nit ladder until we were arguing 
> about quarks and spin and charm and strangeness... finally getting down 
> to strings and super strings and how doing that tends to make one's mind 
> seize up.
> 
> But seriously, that is a good point.  However, the motion of the fluid 
> in a solid-link hammer (SL) is usally not constrained the way it is in a 
> fluid link hammer (FL).  That is, in SL hammers the fluid is allowed to 
> escape in whatever volumes it may choose.  That it doesn't go completely 
> dry immediately is due to surface phemomena rather than containment. 
> Whereas, in an FL hammer, the efficiency of operation is very strictly 
> dependent upon the degree of containment.  With much leakiness, the 
> power of an FL cannot be transmitted from source to destination without 
> much loss.  I may be wrong, but I think this constitutes a fundamental 
> difference between the two in terms of the roles of fluids in each type 
> with respect to power transmission from source to work.
> 
> Bruce Freeman wrote:
> 
>> Aw, c'mon.  We can pick nits better than THAT!  You see, even a Little
>> Giant has a fluid connection between parts - namely the oil layer in the
>> bearings...
>>
>>
>>>>> rniemi at fidalgo.net 5/18/2006 6:57:33 PM >>>
>>
>>
>> I didnt know you had nits at fancy business schools- they have a 
>> shampoo for that, I think....
>> MBA-Qwell, I think its called.
>>
>> Yust Yoking, as my Finnish relatives would say.
>>
>> But it seems to me, that, while not PERFECTLY grammatically correct, it
>>
>> makes sense to call a hammer that has a continuos mechanical linkage 
>> between the motor and the top die, a "mechanical" hammer, while calling
>>
>> one where the top die and ram is floating, and pushed by air, an "air"
>>
>> hammer.
>>
>> Or would you prefer a "fluidised connection mechanical" as opposed to a
>>
>> "continuous connection mechanical" ?
>>
>> ries
>>
>>
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