Re: [Emc-users] OT: Waterjet cutter

[Danny Miller]

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
 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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[Emc-users] OT: Waterjet cutter

[Roland Jollivet]

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
 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
--
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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