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  1. #1
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default Some More CNC Projects

    Another solar de-humidifier in the making. Funny how when you make something others see a use for it.

    This one is for mud brick house built on clay soil. One corner of the house is prone to holding moisture so the plan is to duct air through stormwater pipes to ventilate the under floor area. The solar powered fan unit will sit in a serviceable position on the perimeter of the house and different length pipes from each socket can distrubute air under the floor.

    To mount the stormwater pipe to the fan unit I have used screwed end caps that I have CNC machined. The photo shows the four of them with two having the socket screwed to them. The trick was to hold them on the machine and to centre the hole and fixing points for each cap.

    I made a jig by cutting into a piece of 16mm MDF with the design of the cap. The photos will show this better than I can explain it. I cut these on Tubot which is my current work horse as you can see by the WD40 stains in the spoilboard. I have started another machine build that is a Clayton's build - when I have nothing else to amuse myself I tinker with that.

    It will all make sense once I have finished the unit and I will post this by the end of the weekend - hopefully !!!
    Cheers,
    Rod

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  3. #2
    Join Date
    Feb 2004
    Location
    Oxley, Brisbane
    Age
    79
    Posts
    3,041

    Default

    Good idea Rod

    I have previously bought end caps with a flange but they were very expensive.

    The new thread is a good idea too.

    Bob Willson

  4. #3
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    Hi Bob,
    You hit the nail on the head.
    Trying to keep the cost down as it is not something you want to spend a lot of money on.
    The other thread will hopefully disappear in time.
    Cheers,
    Rod

  5. #4
    Join Date
    Aug 2005
    Location
    Perth
    Posts
    649

    Default

    Thinking outside the box again hey rod. always informative

  6. #5
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    Hi Steve,
    The CNC means you have a fairly large box to work with.

    There have been some design changes. As this is going into a Rural area I have decided to make it suck from under the house rather than blow. Grass fires were my reasoning there.

    I folded a 1mm galvo box and made front and back panels today. The panels are held on by screws and rivnuts into the galvo and I will put a gasket between to make a good seal.

    Three 80mm computer fans and a voltmeter in the front. The suction side will have stormwater pipe as mentioned in a previous post.

    The 3 fans will push a total of 90 cfm so hopefully it will work.

    I won't post anymore photos as this completes the CNC side of things. While this is not your typical CNC project it does demonstrate that once you have a machine you can make a lot of projects easily that would otherwise be difficult and time consuming to make - and probably not get done.

    Good thing is there is enough daylight left to go cut a few machine parts now.
    Cheers,
    Rod

  7. #6
    Join Date
    Aug 2005
    Location
    Perth
    Posts
    649

    Default

    Should come down and se ya.

    My new machines are all working now, just got to come up with some good dust extraction setup for the new router. It sits in the same room as 2 big metal lathes and a mill, so I dont really want them rusting on me from the dust.

    Thinking of mounting a 1hp dust extractor to the actual back of the spindle. And then pumping the waste dust air away into a collection chamber. A good thing to pick your brain on

    Steve

  8. #7
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    Hi Steve,
    I'm home all day making a noise so welcome to drop in for a chin wag.
    Cheers,
    Rod

  9. #8
    Join Date
    Aug 2005
    Location
    Perth
    Posts
    649

    Default

    Cool, see you soon

  10. #9
    Join Date
    May 2003
    Location
    Perth WA
    Posts
    3,784

    Default

    Made up mounts for the solar panel to either mount on the roof (as per position in photo) or mount on a verandah post by moving the pivot to the back holes. Pivoting on 8mm stainless cap screws into a section of 80/20.
    Cheers,
    Rod

  11. #10
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default Some projects

    Hi guys

    As the other thread has been closed for some reason here's some pics of my first attempt at my version of photo v-carve

  12. #11
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default metal bits

    Couple more..

    Heres a pic of my first stab at doing an alloy job on the beast..

    As you say once you have the tool (ie cnc) the ideas are your only limitation.

    And of course the ever popular Lithophanes

    Very cool fixture to cut your end caps BTW.. its actually the hardest thing sometimes to figure out how to hold the part while you cut it

    These threads are really good as it inspires others to..

    A: finish their CNC project
    and
    B: explore the posibilities.

    I tend to troll thru sites like coolhunter and dornob for design ideas but its seeing stuff made on home built machines that inspired me to build mine in the first place.

    Keep the ideas coming guys!

  13. #12
    Join Date
    Nov 2008
    Location
    South West WA
    Posts
    58

    Default

    Love the seagulls, certainly inspirational stuff.

    Cheers
    Brian

  14. #13
    Join Date
    May 2003
    Location
    Perth WA
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    Default

    Great stuff

    Keep the posts coming
    Cheers,
    Rod

  15. #14
    Join Date
    Feb 2008
    Location
    NOWRA
    Posts
    648

    Default

    Nice work Mark, good to see the beast is running smooth!!

    Daniel

  16. #15
    Join Date
    May 2009
    Location
    Gosford,NSW
    Posts
    135

    Default

    Thanks Guys
    Well the machine is running smooth enough... as you all know its always a evolving thing once you build your first CNC... always room to tweak , add or improve.

    Heres one more v-carve of a mates daughter. Note how the curves don't need to be boring straight lines but can add flow and movement to a pic or help with perspective as they expand out on the floor. BTW these things are fairly large at around 2m tall

    Also a pic of a facade for a fish tank styled from a image of some brain coral.

    More project to come....(just need to finish the ones I've already started )

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