Ian W. Wright wrote: > Viesturs wrote.... > > >> 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. >> > > So how was the original principle established - not by some guy in his garage > workshop as usual?? > It will be fun to watch and see how long it takes someone on the list to make > one - I can't believe no one will try!!! > I have absolutely no doubt that an experienced machinist, especially one who is well familiar with ultra-high pressure hydraulics or waterjet machines, could fabricate a high pressure pump himself. I also believe that someone less familiar could spend quite a lot of time tinkering with it to get it to work properly. Actually, I think the abrasive injection nozzle is likely to be harder to get right than the pump. There are all sorts of things that have to be just right to entrain a steady flow of "dust" into the water jet, and I can see 100 ways that a single drop of stray water can make the garnet jam up.
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