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  1. #1
    Prolific Poster normnet's Avatar
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    Default Waterjet cutter built with a cheap pressure washer

    Building an abrasive waterjet cutter with a $150 pressure washer.



    Norm

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    Prolific Poster pic-ignorant's Avatar
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    Default Re: Waterjet cutter built with a cheap pressure washer

    That's not bad for a home brew set up Norm. We have had 2 WaterJet machines in our factory during the last 10 years. One runs at 65000 psi, and the other at 75000 psi. The most impressive thing we have cut is a lever in 75mm thick steel plate. Ceramic tiles & plate glass cut like they are paper. (Apart from toughened glass which shatters) We cut stainless steel sheet & plate, glass, granite, MDF, Perspex amongst other materials.

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    Prolific Poster shantanu@india's Avatar
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    Default Re: Waterjet cutter built with a cheap pressure washer

    Interesting.......the water itself acts as a coolant!!
    Caution to be exercised if you do not want to ampute your hand.
    Shantanu

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    Default Re: Waterjet cutter built with a cheap pressure washer

    Quote Originally Posted by shantanu@india View Post
    Interesting.......the water itself acts as a coolant!!
    Caution to be exercised if you do not want to ampute your hand.
    It doesn't act as a coolant on an industrial machine Shantanu. There is a 10 thou orifice behind the nozzle that focuses the water into a tiny needle-like jet before it passes through the mixing tube. This heats the water to quite a high temperature. You would burn yourself if you touched the mixing tube while it is in operation.

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    Prolific Poster normnet's Avatar
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    Default Re: Waterjet cutter built with a cheap pressure washer

    See updated to gas powered waterjet cutter video.

    Norm


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    Administrator-01 Lester's Avatar
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    Default Re: Waterjet cutter built with a cheap pressure washer

    Nice Video by Applied Science

    An old Crownhill employee, now runs his own Garden design business. He showed me his stone cutting and engraving solution, based on a pressure washer. I was surprised at just how well a pressure washer and water jet cutter nozzle would carve through patio stones to make intricate cuts as well as perfectly straight lines with no perceptible chipping.

    He uses the same system, to cut house numbers out of plywood.

    He then he puts the plywood in front of massive quarry stones and uses the pressure washer with grit to spray accross the house number on the plywood, to Etch house numbers into quarry stones.

    His clients are very impressed, he makes very good margin on supplying the house number etched stones !

    and makes a great job of patios and other paving features with accurate tidy cuts, that his competitors cannot match


    I love it when people think outside the box !
    Lester Wilson
    ---------------------------------
    Crownhill Associates Limited
    www.crownhill.co.uk
    Tel: +44 1353 749990
    Fax: +44 1353 749991
    lester@crownhill.co.uk
    ----------------------------------

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