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Type: Posts; User: alexhawker

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  1. Replies
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    6,592

    Re: Is there a hobby waterjet like a Wazer?

    Where's all the water gonna go?


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  2. Replies
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    Re: Is there a hobby waterjet like a Wazer?

    Good luck drying it out and separating it from the tiny material "chips". And the garnet that does hit the material has the sharp corners worn.

    For 20-25 cents a pound I'm using fresh garnet.

    ...
  3. Replies
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    6,592

    Re: Is there a hobby waterjet like a Wazer?

    Don't buy the garnet from them. It should be in the $0.17-0.35/lb. range if you buy enough. Enough may be half a metric ton however...


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  4. Re: Spacing between parts for waterjet cutting

    I usually use 0.1", but depends on the parts/material thickness


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  5. Re: Wood cutting with water jet - how much pressure needed?

    If you have a lot, I would do some testing. Generally speaking, a larger orifice should let you cut a little faster, as should more pressure.

    If you're trying to use less pressure, I would start...
  6. Re: Wood cutting with water jet - how much pressure needed?

    What sort of cut quality? With or without abrasive? What kind of wood?

    Not enough information to give a useful answer.


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  7. Replies
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    Re: how to convert file to work on flow

    See attached.
  8. Replies
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    Re: how to convert file to work on flow

    I typically pull the file through rhino and export with the "CAM Imperial" template


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  9. Replies
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    Re: Need waterjet in North Alabama area.

    Definitely do-able. I have no problem doing some file cleanup for the Flow software (you should see the public art piece I'm working on - files with 30-60k entities...).

    Do you mind filling out...
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    Re: Need waterjet in North Alabama area.

    How many pieces, how large, how heavy is the material? Could cut for you in PA and Mail if it's not heavy.


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  11. Replies
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    Re: Roland mdx 40A?

    The 540 is not stiff enough to cut steel.


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  12. Re: add flatten surface command in solid works 2012

    You can't. Try rhino's unroll surface command after importing and exploding your solid.


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  13. Re: Looking for a good effective way to remove garnet!

    I was under the impression that using the abrasive once knocks off the majority of the sharp corners, meaning it can't generally be reused - is that just said to sell more garnet?
  14. Re: Looking for a good effective way to remove garnet!

    Well, let me know if you end up finding a better solution. I would see if you can shop around and maybe find a cheaper vendor with a pump truck.
  15. Re: Looking for a good effective way to remove garnet!

    Where are you located? We've only had our tank pumped once, but we paid $1,400, and the three guys seemed to be pros - they say they do a few companies' water jets.

    In terms of drops, they had a...
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    Re: Engine design in Solidworks

    Use a derived sketch.


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  17. Replies
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    Blue Way Lube

    The lube system in our flow water jet uses a bright blue Mobil lube - not sure if it's suitable as way oil or not.

    Edit: Just looked it up - Mobile XHP-005 NLGI00


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  18. Re: Using diameter instead of radius? + Multiple instances of the program?

    Do you mean when you're doing a revolve feature? Use a center line to produce a doubled dimension.

    I can open multiple instances with no problems. Which version are you using?


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  19. Replies
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    Re: My new PRO4824 machine - Need help

    Could it be that the tool is being pushed up further into the tool holder?


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  20. Replies
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    Re: How To Fix Part of Assembly ?

    Width mates?


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  21. Re: Nozzle\Mixing tube just expires in 20 hours

    Hmm, I've never seen anything like that, but I wouldn't say I've seen a lot. What make/model is the machine?

    It almost looks like your mixing tube isn't being held in line with the high pressure...
  22. Re: Nozzle\Mixing tube just expires in 20 hours

    Have you changed your orifice lately?
  23. Replies
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    Re: Routing aluminum formica

    +1 for chatter, since OP mentioned only clamping the material along one edge?
  24. Replies
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    Re: Unwrap a curve?

    I think rhino does have an unwrap command.


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  25. Replies
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    Re: Laptop Opinions

    SSD's and HDD's are both sealed cases - the stuff will not be getting in there. SSD's offer great performance over HDD's, and have no moving parts, so they should survive a fall better. Most modern...
  26. Re: Newbie - how do I find a CNC shop that would deal with individuals? Please help!

    Happy to help! Consider drawing in or including in the RFQ an acceptable radius for internal sharps, or drawing that in directly. That always makes it easier for those quoting your part(s).

    ...
  27. Re: Newbie - how do I find a CNC shop that would deal with individuals? Please help!

    I think your surfaces can still be represented in NURBS-based (non-mesh) programs. These programs are not only limited to cylindrical/conical/spherical/prismatic geometry - those are just the basic...
  28. Re: Newbie - how do I find a CNC shop that would deal with individuals? Please help!

    A few thoughts:

    As others have said, STLs are basically the worst. I do cad and one off prototyping for people all day, and STLs are basically only good for 3D printing. And converting them or...
  29. Replies
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    Re: Motors Won't Lock/Move

    You can find one for cheap (~$20) that will be accurate enough for your needs. It will come in handy in future, you can be sure of that.


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  30. Replies
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    Re: red sail laser x700

    Is that anodized aluminum? That stuff will engrave fine on a CO2 laser as well.

    I was talking more about marking directly on bare metal.


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