[TheForge] Home built power hammer question

[Geoff Nelson]

I think you are spot on. Increase the speed and the hammer will work better.

My hammer was about 3 hits per second.

On 7/03/2011 1:52 PM, Wesley Marquart wrote:
> Greetings Gentlemen (&  Ladies)
>
>
>
> I've been working on my own homebuilt power hammer for some time.
>
>
>
> Its gone thru a couple of iterations and it does seem to work but its just
> not putting enough force into the blows.
>
>
>
> The head is a 28 pound lead filled piece of 2"x4" steel tubing.  The tooling
> I've made is bolted up to the bottom of the head.
>
>
>
> The arms supporting the head are spring loaded to assist them to returning
> to the upper position.
>
>
>
> The arm is pulled downward by a linkage attached to a steel wheel which
> rotates at about 1 RPS.
>
>
>
> The linkage is spring loaded to allow the wheel to keep turning when the
> tooling stops out on the anvil.
>
>
>
> Here is the problem:  even though the hammer does slightly flatten the
> heated stock it does not do very much on a heat.
>
>
>
> I suspect that the problem is in the rate of the hammer blows. essentially
> what is happening (I believe) is that I'm basically just tapping the metal
> out because of the slower speed not allowing too much inertial to be built
> up.
>
>
>
> If I increase the rotational speed of the wheel that would cause the hammer
> head to be traveling downward faster, thus increasing the inertial power of
> the strike.
>
>
>
> Do any of you think this might help!
>
>
>
> Thanks in advance!
>
>
>
> Wes/William the Tinker
>
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