[TheForge] Speaking of hammers

Sun Apr 18 10:56:07 2004

There are sensors that pickup the pistons movement inside the cyl housing, I
guess they are magnetic, they can be set to trigger a electro valve to
switch the air flow, so all you need is to set the sensor up on a slide and
move it up n down.
----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Sent: Sunday, April 18, 2004 8:16 AM
Subject: Re: [TheForge] Speaking of hammers


> The kinyon style hammer has a pneumatic switch that changes the
> direction of the tup at the bottom of its stroke. This could be made to
> move with the treadle, thus changing the strike length according to how
> far depressed the treadle is.  At least I would think so, but I may be
> missing something.
>
> Charles
>
>
> Andy Vida wrote:
>
> >Also, not knowing that much about pneumatics, I have now long wondered
> >if it's possible to have a control system that traces motion of the
> >control device precisely in the ram.  What I mean is this: as the
> >control device (let's just say it is a treadle to keep it simple) is
> >depressed, the tup would advance that precise amout, proportionally
> >speaking.  So if the treadle had a 4" travel and the tup 40", again
> >to keep it very simple, and I depressed the treadle 2", the tup would
> >advance 20", or half its travel.  I know this can be done hydraulically,
> >e.g., when setting the depth of an implement suchas a plow in the
> >ground,
> >the tractor has a lever whose length of travel represents the range of
> >depth the implement can be set to.  Can it be done pneumatically?  I
> >suspect it can, but would like to know how.
> >
> >
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