alex <[EMAIL PROTECTED]> wrote:
Recently was a discussion re: water jet - as Dave pointed out, X-Y is
not a problem, the problem is a water jet.
In this respect why not to make a pressure cylinder,
///Low volume for water jet operation but ample volume for an explosion. I see alot of
posters dabbling with the idea of a water jet. I hope everyone realizes the dangers of
dealing with such high pressures. A tiny stream of water without abrasive even at
10,000 psi is enough to cleanly take off a hand. and that could happen as easily as a
hose rupturing. The pressures required for water jetting are nothing to play around
with. Especially when we talk about containing them in a large vessel such as an old
modified hydraulic cylinder. I'm not trying to thwart anyones enthusiasm. Just be
careful and aware of the potentials of the design.
A few weeks back I had the notion of building a CNC laser. Until I researched it and
discovered how dangerous it can be. The lightbeam which is invisible could be
reflected off of a workpiece and blind someone or myself permanently. No thanks. Not
to mention the initial expense of a tube powerful enough to cut even thin steel. For
metalcutting in a gantry type machine in the homeshop, for safety's sake we are
limited to plasma or acet/oxy torch. Although, if someone achieves a homemade water
jet capable of cutting steel and after 6 months they still have enough fingers to type
with, I'd love to hear about it. :-)
Ron
instead of a high
pressure pump, which could supply necessary pressure of the water jet?
Present hydraulic cylinders can operate up to 10,000 psi, but this
pressure can be increased without hugh cost overruns by increasing wall
thickness and number of seals, number of tie rods. Then the piston can
be driven by several hydraulic cylinders, providing an operation
pressure. An orifice can be located
at the other end of the cylinder. This seems to be not that hard to
implement even at home shop. Just a thought.
Alex
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