[TheForge] hydraulics

Thu Mar 20 12:34:03 2003

The Army put together a manual for teaching hydraulic basics. it can be 
found at :
http://www.adtdl.army.mil/cgi-bin/atdl.dll/fm/5-499/toc.htm

chuck schaeffer wrote:

>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
>[email protected]
>Ph. 608.798.4296
>Fax 608.798.1940 
>
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