[TheForge] hydraulics

[Ed F]

Hi Chuck,

I just checked into a rotary flow splitter - guy at the hydraulic shop says
they will start at about $500.  Wheew, I think I'll look at doing it with
one again.  The inverted style or whatever you call it with the cylinder
below the work-surface pulling on tension bars may work ok for punching if
the top of the cylinder is put on blocks to allow for a horizontal hole to
push the slug out with.  The blocks would eat up clearance to the floor but
I was thinking of spacing the low cross-member pieces out so that they can
clear the outside of the barrel.  Ya know what I'm sayin?

Ed


----- Original Message -----
From: "chuck schaeffer" <cgschaef@chorus.net>
To: <theforge@mailman.qth.net>
Sent: Thursday, March 20, 2003 12:11 PM
Subject: [TheForge] hydraulics


> To everyone interested in Hydraulics,
>
> Something I picked up from the Batson plans was looking at what the end
product is going to be.  Buying a piece here and there makes it  very
difficult to gain compatibility with all of the parts.  I buy all new parts
due to having been burned on used stuff a couple of times.  This also allows
you to match the parts to give you a better system.  Having your plan in
mind you can pick up pieces as the funds are available.
>
> I buy quite a few things from the farm stores around here.  Their prices
are good and have it in stock or will order it for you.
>
> Marathon motors make single phase motors up and including 10 hp.
www.marathonelectric.com
> The prices they list are considerably higher than what I pay around here.
>
> To hook two cylinders in parallel you will need to place a divider in the
power side coming from the pump or it could be placed in the return side. A
rotary divider will give you the best results.  There are other types out
there that use slides to control the flow.  Be sure that they are 50:50
divider with balancing at one end or the other.
>
> I agree with Ralph about using the pumps at lower speed and half volume.
Not only quieter but will give you much better pump life.
>
> Anyone using electric control valves, check for pressure relief.  Those I
have used required an external pressure relief.
>
> Sorry I got a little wordy with this.
>
> Chuck
>
> Chuck Schaeffer
> Metals Magic Shop
> cgschaef@chorus.net
> Ph. 608.798.4296
> Fax 608.798.1940
>
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