[TheForge] 15Ton Press

Sun Jan 6 13:44:01 2002

Hey Ralph, The bottom die is stationary on my design.
Chuck

----- Original Message -----
From: Ralph Sproul <[email protected]>
To: <[email protected]>
Sent: Sunday, January 06, 2002 6:44 AM
Subject: Re: [TheForge] 15Ton Press

>         This is just a thought........but for knives I can see a cylinder
> from the bottom, but one of the assests of a press is the ability to
> straighten pieces.  I think it would be really difficult to feed a long
part
> thru a moving bottom die, where a set of roll stands can be used for a set
> lower die (with piston on top).
>
> Ralph Sproul - Bear Hill Blacksmith
> Webster, NH
>
>
> ----- Original Message -----
> From: "Steve Smith" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, January 06, 2002 12:13 AM
> Subject: Re: [TheForge] 15Ton Press
>
>
> > Consider putting the cylinder on the bottom and having a fixed top
> die/moving
> > bottom die. Steve Rollert has his press that way and it works fine.
> >
> > I have a C style 35 ton press with the cylinder on top. It is over 7'
tall
> and
> > weighs a ton (well, not that much). It would probably weigh a third as
> much if
> > it were both H frame and cylinder underneath.
> >
> > Steve Smith
> >
> > Ed Fasula wrote:
> >
> > > Hi Chuck,
> > >
> > >  >...have to be extremely tall to accommodate a 32" cylinder... There
> are
> > > enough advantages to my design over the cylinder on top that I
> > >  >wouldn't recommend that route.
> > >
> > > Oops.  Brain fart.  32" is the one for splitting wood.  The press
> cylinder
> > > is 6"x24"
> > >
> > > Here is a link http://www.geocities.com/edfasula/smithing.html
> > > to a sketch of the current thought I have for a structure.  I think I
> can
> > > keep it under 8' without too much worry.  Please criticize now, not
> after I
> > > build it!  What disadvantages do you see with the cylinder on top?
> While
> > > you're at it, let me know if you have any input on my plan with the
> pilot
> > > valve (there also).  [Also not how I try to pass of images from my
> scanner
> > > as digital camera pictures.]
> > >
> > >  >I'm not clear
> > >  >on why you need to vary the motor speed in a hydraulic system.
> > >
> > > Because I'll probably split wood with the pump (run out the forge door
> with
> > > hoses with quick connects) and I want it to go fast enough.  But I
hear
> > > (here) that the pumps scream at 3600 rpm.  I'm not sure what speed I
> want
> > > the ram to travel at.  Some in the book went 2"/sec.  That would take
> 3600
> > > rpm with the pump I'm looking at.  So if I decided if I really wanted
to
> > > run the press at that, I could, but sill turn it down for delicate
work
> or
> > > if I was sick of the racket.
> > >
> > >  >...why I'm using the C P
> > >  >pump.The flow is full volume until you reach the maximum pressure.
> > >
> > > Do you know what ram speed full volume gives you?
> > >
> > > Hope you health is coming back well for you.
> > >
> > > Ed
> > >
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