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Thread: XYZ carve build

  1. #1
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    Default XYZ carve build

    Bought my second unit but this time with a spindle.

    any interest in a Build blog or similar,? I can do if interest is shown, otherwise a finished and ad hoc build post is likely.

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  3. #2
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    I'd be interested in at least your overall feedback on the build process and any traps for new players! It's something I'm looking at down the track - don't have the time right now but maybe next year??

    What happened with your first unit? I guess it was ok since you're buying another one?

  4. #3
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    Moved interstate so sold it locally. Did not trust removalists to deliver unharmed.

    I expect itís still going ok, might have needed a new router but the rest was schmick, or at least I thought so.

  5. #4
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    I’m still thinking about buying a CNC unit, so a build, warts and all, would be appreciated

  6. #5
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    Parts made it today.
    It's clear since the last one I bought that Ben has been working on packaging, the stuff arrived well packaged and no signs on damage.
    Yet to check the inventory to confirm delivery of all parts but that is the weekend job.

    Order came in 3 boxes and a spoil board.
    I got lazy when I ordered the spoil board.
    I'd have to get it cut for me and then chase down a MDF supplier which didn't appeal and at least this way the board will be square as it helps form the base of the unit.


    B5EBD863-80A4-4324-A411-73EED9E49380.jpg
    Main box containing base machine parts. Extrusion, motors, electrics and hardware.

    F8870407-CFA2-4C84-9439-0CCD27B4DB97.jpg
    Main box opened. Nicely labelled boxes A, B, C and D from left to right.

    EC0CD000-ED81-41B6-B4EE-7E81D62CCEC6.jpg
    Nema stepper motors and the acme rod for the Z axis.

    43C01541-5780-422E-A1C9-B9D7EFEF577E.jpg
    Power supply

    5CF84CB8-CFF6-4993-9E18-18F034670ACD.jpg
    Control board housing, now branded. My last one was not from memory.

    DF265B9B-9A27-4BD3-A9BA-808CD7A4924F.jpg
    Lots of little fiddly hardware things. All labelled.

    45C1EAB1-91C0-4587-851E-529E8AFAE2A0.jpg
    Drag Chain and cabling.

    9E058CD9-53D5-4D11-8658-FC5FA5B32825.jpg
    More hardware bits, so many little bits.
    785E69EF-16DD-4206-AA23-B35AEFA4BF9F.jpg
    Spindle and speed controller. 3 collets a mount and the spindle wire.

    E6F73E4A-8E20-4278-B57A-59FA49CECA26.jpg
    Aluminum extrusion, packed well. Not unpacked and inspected yet but no visible packaging damage.

    84E9D8E6-00A7-423C-A504-D3FE8F550499.jpg
    Dust shoe. I tried making one of these with partial success and liked the idea. Expensive but clearly some development went into the design.
    Not a bad 3d print except for some internal bits that were printed without support and did not adhere very well. Nothing filler cannot fix but for the money I'd have expected it printed properly with support so there is no loose extrusion nor undue gaps for dust to collect in.

    Will keep trying to document things as I make the machine. I anticipate this will be a couple of months as I also want to make the workbench for it. Will be doing a similar approach to the last build using plans that someone else generated.

  7. #6
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    I've attached a copy of plans for bench that should end up looking like this:

    IMG_0617.JPG IMG_0620.JPG

    I do have a .igs file that has the full design where I can get measurements from and the last one I built was out of pine not ply.
    This one will be a combination of ply and MDF and painted rather than raw wood. Gives me a chance to fix the mistakes on the old one and learn about draws, fold out tables and make it a tad wider.
    Always had worries this bench would fall over.
    Attached Files Attached Files

  8. #7
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    Who did you buy the kit from please? I would like to compare different kits.
    Thanks.

  9. #8
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    The name is in the title, however a little subtle.

    Home - CNC Routers | 3DTEK

  10. #9
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    18/4/21.

    Found time to assemble the Y carriages and start on the control box.
    One idler pulley has a bung seal and will need replacement before I assemble the X carriage.
    Little issue with the control box, helps to read and follow the provided instructions.

    One observation is a single reference to Nyloc nut for the 2mm nut (which to complicate matters even further was just a normal nut mislabeled) rather than referring to Prevailing Torque Hex Nut used for all other sizes.
    All other materials were well labelled and easy to find.
    Instructions are more like plans and cad drawings to reference. They point out a few gotcha's to assist with assembly but don't expect a step by step list to follow.
    My 9 year old son assembled one carriage whilst watching me do the other.


    IMG_1867.jpg
    The Online Instructions and boxes of bits to trawl through.
    IMG_1868.jpg
    All parts picked out and ready to assemble.

    IMG_1870.jpg
    Damaged Seal -Have to get a replacement.

    IMG_1871.jpg
    V-wheels and idler pulleys assembled first.
    IMG_1872.jpg
    Fully Assembled Y axis carriages to put aside until frame is built.

    IMG_1873.jpg
    Partially assembled control box, I had it in backwards so the screws didn't line up. Turned it around and worked fine.
    Seems to be a little funky with respect to cable planning but I'll see how it goes.

  11. #10
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    So this unit is belt driven and not screw driven by looking at the carriage picture. Is this correct?

  12. #11
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    Yes, belt driven. I found it good enough for my purposes and could reliably reproduce to the limit of my cheap calipers at 0.1mm on my old unit. Also plenty strong enough to break 1/4 in bits as I know from experience.

    Travel speed of 2500mm/min and I could likely push is faster. Never pushed it as the Mikita router couldnít handle it, hence my knowledge of broken bits.

  13. #12
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    x axis carriage assembly and z slide.

    0CDD026B-CA73-4942-8851-DA1C69FD6CB1.jpg
    x axis parts find and laid out

    E6571D39-E82E-403A-AEF7-C8F694E3382C.jpg
    assembled, photo of inside.

    E15D6E67-274B-4F56-92A2-F1765114DF27.jpg
    another rear and outside x carriage

    891AF9E0-F005-4AF8-B5C8-3EC2B524EB30.jpg
    z axis spindle holder and wheels

    found my first mistake, limit switch should be on one y axis plate, not both.
    removed and put on the x axis carriage.

    moved an idler pulley to the y axis because removal and replacement in the x carriage is awkward. I have one damaged one that I need to get a replacement for.

    so far, the instructions mostly work, they are not much more than drawings with gotchas attached. Sometimes the drawings arenít quite right but mostly due to labelling issues etc.

  14. #13
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    Default

    D6A3ECE1-9F2C-43E9-945A-2FB53A59DD29.jpg

    z axis hanging off x carriage. The silver bit showing is more than I wanted so I changed out the t nuts to smaller ones. This affects z axis clearance. If it sticks out more I have less clearance and at best its about 42mm.

    06E7D051-462C-4465-AB14-8ABB7228748B.jpg
    these are the t nuts, big square ones were installed (pre assembly t nuts), put in the ones to the right as post assembly nuts.

    C98DECC2-811A-4F4A-8941-448A5FC75CE2.jpg
    improved clearance. Reducing this gives me that couple of mm extra on the z axis.

    instructions good to here but missed the length of m5 bolts used to attach the z axis to the x carriage.
    Attached Images Attached Images

  15. #14
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    Y axis rails.
    4759A778-3650-4A57-B9F9-E07E738E23CF.jpg
    Parts laid out, bags of bits getting smaller by the day.

    BE269509-8599-4D79-8690-F6AF1DFF8B61.jpg
    Inspection of rails led to finding swarf in a drill hole. Easily removed. Had to hit the ends with a file to get rid of some dags too.

    90435CC0-EF54-4D5A-8A2A-CAC6C44E3B54.jpg
    Belt lock needs to be bent out to allow the two screws to fit. This caused me a headache the first time but since I've done it before . .

    38F6399D-414E-4E49-93E6-E14A6016D948.jpg
    A quick hit with pliers and they all fit nicely.

    6F69578E-1F9C-4B96-9147-A77C7E15BFD0.jpg
    Finished Y rails.

  16. #15
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    Base Frame and wasteboard.



    958BC63E-38A3-448C-BD7D-277BE79E6535.jpg
    I bought a waste board because its quicker and more likley to be square. Turns out Ben has a bigger router and just cnc's them out. Well protected and simplified the drilling process. Worth the money after drilling the first one myself.
    Cleanup isn't terrible but would have been better if tabs were removed.

    691AEFF0-2915-454F-8565-7A5955E7CBE7.jpg
    Parts for assembly laid out.


    095F1FF2-3141-4045-990D-C9AB31959F11.jpg
    Frame built, few tricksy things in the instructions here and they started to get more vague. Still doable.


    A22C06FD-26A5-4A92-B6B5-297458C6D31F.jpg
    Bolting in to the track with T nuts is a pain for the board. Still manageable and my 9 year old son did some himself too.


    I'm likely to stop here for a bit as I progressed faster than expected and need to make the torsion bench and frame to install it.
    Next step is the gantry assembly and put all the mechanical parts together. I don't have a bench big enough right now.

    Ordered castors, and getting a cut plan ready for the mount. 18mm ply is my preferred option here and should be good.

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