Monday, May 29, 2017

Waterjet cutter built with a cheap pressure washer



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

Water orifice, mixing tube (nozzle), cutting head, high pressure fittings, valve: https://www.accustream.com/

80 grit garnet abrasive - ebay
eg http://www.ebay.com/itm/40-LBS-Garnet-80-grit-coarse-med-sand-blasting-abrasive-Fast-Cutting-Media-/272599344178

Sun Joe pressure washer: https://www.amazon.com/Joe-SPX3000-Pressure-14-5-Amp-Electric/dp/B00CPGMUXW

Pressure gauge - https://www.mcmaster.com/#4053K15

Good waterjet background and design info: https://wardjet.com/waterjet/university/nozzle-orifice

Good selection of higher-end pressure washers: https://www.pressurewashersdirect.com/

Wikipedia waterjet cutter (diagram image source): https://en.wikipedia.org/wiki/Water_jet_cutter


Support more Applied Science videos: https://www.patreon.com/AppliedScience

23 comments:

  1. This comment has been removed by the author.

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  2. Very cool build Ben. Thanks for the share

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  3. Great build, Ben. Have you thought about actually building a hydraulic intensifier? I think that there is a niche opportunity less than 50kpsi and greater than typical limits of commercial/household pressure washers.

    I don't know the answer to this question, but what are the pressure limits for hydraulic compression using a multi disc 'tesla type' pump? might this be something to consider? Doug

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  4. Nice job Ben! Just started a build myself and intend to go the CNC route. Was there anything special about the plunger you turned with the larger inside diameter? How much larger did you make it? I all ready have the x-y table ready for the cutting nozzle setup but I'm still aways away. Any thoughts or help would be appreciated, thanks!

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  5. Hello Ben. Just wanted to know your oppinion on this: https://www.wazer.com Cheaper than the factory ones.
    Thanks in advance

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  6. Hi Ben perhaps you should look at fitting your water jet cutter to the Maslow CNC www.maslowcnc.com its only $350 for the 2 axis has vertical cutting bed 8 x 4

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  7. Hi there,
    cool work!
    Could you tell me the cost of a complete cutting head (from accustream, I guess)?
    You can reply at u_sugoATyahooDOTcom
    thanks

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  8. Hello Ben! Fine work, you're a great inventor! One request. Can you specify the size of the cutting head (mixing tube) and the diameter of the orifice's channel in millimeters?

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  11. Whoa, interesting project. That looks neat

    Water Blaster

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  12. That's a very creative use of pressure washer

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  13. This comment has been removed by the author.

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