[TheForge] RE: Hydraulic Forging Press

Thu Mar 13 18:28:05 2003

The hose lenth is 15 feet not 15 inches.
Sorry for the typo.
Chuck
----- Original Message -----
From: "Chuck Robinson" <[email protected]>
To: <[email protected]>
Sent: Thursday, March 13, 2003 5:06 PM
Subject: Re: [TheForge] RE: Hydraulic Forging Press


> Hey Ralph,
> I uploaded  several pictures of my modified "H" frame press to your new
> folder.
> The press is my old design that was later modified by Jim Batson then
again
> later by Uncle Al.
> I'll upload my latest design when I finish building it.
> The die plates are held in the side groves by twisting the butterfly lock
> into the vertical position, and giving the pivot nut a 1/2 turn to tighten
> it with a snub handled socket wrench. The whole process to change dies
takes
> about 45 seconds
> You're entirely correct  that Jim's  hydraulics primer is essential to
> building a good functional press.
> He put a lot of time and effort into it to make it understandable by the
> average person.
> If you don't understand the basics, you can do some serious damage to
> yourself in the blink of an eye.
> In addition to changing the press design I also built my power pack with
15"
> of quick connect hydraulic hoses, so that I could minimize the danger of
> high pressure hydraulic leaks near my face and body.
> I witnessed several of these types of accidents on shipboard, and decided
> that they  weren't a lot of fun.
> chuck
>
> ----- Original Message -----
> From: "Ralph Sproul" <[email protected]>
> To: <[email protected]>
> Sent: Thursday, March 13, 2003 7:03 AM
> Subject: Re: [TheForge] RE: Hydraulic Forging Press
>
>
> >         Thanks Chris, I was looking on the upload page........ so I went
> and
> > just started a new Hydraulic Forging album and it has seven pictures to
> > check out.  This ram guide system is the one Batson has in his book.  It
> > works well, the open anvil you'll notice on my press comes in really
> handy.
> > The other pictures are pretty self explainatory.  The straightening die
is
> > amazing how well it works.  Add wood if you don't want to damage already
> > created textures.  *Be careful puting wood on hot metal in a
> > press.........the flames will shoot three feet to eithe side when you do
> > this.......it works well, but you must be aware of this.  Once thru that
> and
> > you'll know what I mean.  :-)   (spoken with less hair on one arm!)
> >         Batson's book is invaluable for information on how to figure
your
> > piston travel speed.  The two stage pumps run low pressure yielding
higher
> > speed than the high pressure end of the pump that yields about 1/4 of
the
> > ram speed as the low pressure side of the pump.  This is nice to get in
> and
> > out of the heated object, and have the ram go to a really controlable
> speed
> > when getting into the actual work.  You don't see things about to happen
> > with hydraulics like you do with other mechanical devices........when a
> tool
> > or die is subjected to 20-50 tons......there is no difference in
> appearance
> > until a tool comes apart or something shoots across the room(hopefully
not
> > hitting you).  This is why a die lock in system is important, the slow
> > controlable speed of a ram is advised with the two section pumps, and
> having
> > a pressure guage makes you aware of how much pressure your exerting on
an
> > object.  As you press something the heat is absorbed into the dies, the
> > material becomes less workable, and tool stress can become extremely
high.
> > Using a lot of common sense around these tools is mandatory (especially
> with
> > cold work).
> >
> >         I'd like to see other H frame and die ideas, as well as hand
held
> > tools if folks have pictures of them.   I'll try to take pictures of my
> hand
> > held press tools.  They are just like power hammer tools, but four times
> the
> > size to absorb the heat transfer.
> >
> > Ralph
> >
> >
> >
> > ----- Original Message -----
> > From: "Chris Worsley" <[email protected]>
> > To: <[email protected]>
> > Sent: Thursday, March 13, 2003 7:27 AM
> > Subject: Re: [TheForge] RE: Hydraulic Forging Press
> >
> >
> > > Ralph,
> > > When you get to the site, click on the "organize & share" tab, then
> click
> > on the
> > > "new" icon on the right hand side of the panel.
> > >
> > > Chris
> > > Alexandria VA
> > >
> > > Ralph Sproul wrote:
> > >
> > > <snip>
> > >
> > > >         I tried to start a new album and can't figure out how to do
> > > > that......any help appreciated.  Figured it would be Hydraulic Press
> as
> > a
> > > > title.
> > > >
> > > > Ralph
> > >
> > > _______________________________________________
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> > >
> >
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>
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