ok ok an air over water amplifier can also reach any desired amplification ration its simply a function of area (air piston area / water piston are = amplification, input 100 psi air get N psi out ) sure you can do it other ways, i just wondered which technology you used thanks tomp
On Fri, Sep 10, 2010 at 10:24 AM, Viesturs Lācis <[email protected]> wrote: > 2010/9/10 Viesturs Lācis <[email protected]>: >> 2010/9/10 Thomas Powderly <[email protected]>: >>> Hello, >>> how do you amplify the water pressure? >>> Is it a reciprocating air pump? >>> thanks >>> TomP >> >> Hell, no! The water pressure in my machine reaches 55000 PSI (3700 bar). >> Take a look at this - there is a brief explanation, how it works (I am >> not advertising for that company, as I am not using and do not intend to use >> their products, but still - very good video from information point of >> view): >> http://www.youtube.com/watch?v=TD-x3O0u0AA >> > > Forgot to answer the question - those pumps are very high-tech > equipment, because of the materials that are used to make them, for > example, plungers are made of some kind of ceramics. The huge water > pressure creates very intensive fatigue wear to material, and highly > specific know-how in material properties is required to deal that > (note the the thickness of walls for the cilinder, in which the > plunger is moving - outer diameter is ~12 cm, while inner is ~1cm). So > I do not see any way to create a DIY pump for waterjet cutting. One > can easily build the machine construction, but I am convinced that > pump, high-pressure tubing and cutting head are impossible to be > created in a DIY process. Just like Dave says, it is pretty simple > from the process point of view, but what I have seen in my machine is > that it is very complex to be replicated from the materials' point of > view. > > Viesturs > > ------------------------------------------------------------------------------ > Automate Storage Tiering Simply > Optimize IT performance and efficiency through flexible, powerful, > automated storage tiering capabilities. View this brief to learn how > you can reduce costs and improve performance. > http://p.sf.net/sfu/dell-sfdev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Automate Storage Tiering Simply Optimize IT performance and efficiency through flexible, powerful, automated storage tiering capabilities. View this brief to learn how you can reduce costs and improve performance. http://p.sf.net/sfu/dell-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
