There was a kickstarter for the "Wazer", a home/low-end waterjet cutter.
Problem is, it is very slow and consumes a LOT of expensive abrasive
media per inch, relative to a full-size waterjet.
A waterjet's key component is the intensifier pump- it is FAR larger
than a pressure washer.
Now, granted, IMHO there IS a solid niche for a slower waterjet cutter
if the cost and facility requirements are much lower.
But the key is being efficient with the abrasive consumption, on a
per-inch basis. So far, "not good".
Though you might think "I'll just buy blasting sand and use that",
sorry, it's my understanding this won't work.
Unless someone DOES invent a low-end waterjet that just uses blasting
sand, in which case, "f'ing A, man!" Yes, that would be a game-changer,
but the market already moved away from sand as basically useless long
ago so you'd have to have some new, overlooked tech never thought of to
change that game.
http://www.thefabricator.com/article/waterjetcutting/selecting-the-right-waterjet-abrasive
Currently the standard media is almandine garnet particles. They have
the hardness, toughness, density, and consistent particle size to do the
job.
Danny
On 6/17/2017 11:56 AM, Roland Jollivet wrote:
Hi All
I came across this video of a home-brew waterjet cutter. I don't know if
this guy is on this forum, or if this was posted before, but;
here is quite an interesting video
<https://www.youtube.com/watch?v=Lg__B6Ca3jc> on a home made water-jet
cutter.
It's a pity he does not give more data on pressure/cutting speed for
various materials, including steel.
https://www.youtube.com/watch?v=Lg__B6Ca3jc
Roland
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