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  1. #1
    Well not at all what I was expecting! I was talking to a friend about a build and the conversation has ended up with me adopting a partially completed build.
    The machine was started as a project by a precision engineer friend and has been abandoned because of lack of time and his moving overseas for work... I still find it hard to believe he is allowing me to play with it.

    Not much detail yet, I am still waiting for the original drawings so I know what the partially finished parts are for and what machining is still needed...but collected a few bits last week.... probably 350kg of them...

    A pallet full of parts, some machined, some partially machined and some waterjetted.... the visible ballscrews are x axis and 32mm!!!
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    Last edited by mike os; 16-01-2015 at 09:48 PM.

  2. #2
    30mm hiwin x rails, 20mm for y &Z
    most of the frame is 30mm aluminium... gantry is extrusion, sixes to follow

    everything except the BOB in the electrics... servos and controlers etc...
    2kw watercooled spindle
    extruded aluminium table




    Hoping to start work on it next week... far sooner than I would have chosen and still far too many basics to learn.. but we will have some fun along the way
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    Last edited by mike os; 16-01-2015 at 10:30 PM.

  3. #3
    And I thought Christmas was in December!!! Good luck with the rest of it. G.

  4. #4
    By the sound of those parts it's going to be big and a beast when completed, very good deal.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  5. #5
    Unfortunately I am building it for them... but good experience, and I will be able to use it... I hate to think what it cost so far as they are genuine hiwin and quality screws...oh, and I get paid pocket money too

    I think it is about 2 by 1.5m "externally "
    Last edited by mike os; 16-01-2015 at 11:20 PM.

  6. #6
    Got a little bit done this week, finding it helping with my rehabilitation as I need to use both hands for most of it

    28 m16x50 holes tapped, 48 m8 tapped holes for the rails, all by hand as the company that did the original machining "forgot"... thanks for that



    test assembly... I now know the approximate size is 2m x 1.1m between rails, and first problem... one of the cross rails is drilled about 2mm out, still thinking on how to best fix that, any suggestions gratefully recieved




    nice chunky assembly, 160x30mm plate

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  7. #7
    Interesting machine

    The cross rail being drilled about 2mm out- if I understand correctly then I think you need to slot the through hole. If you don't have a mill then you may be able to use a router and carbide bit or pillar drill with counterbore bit plus some filing.
    Last edited by routercnc; 24-01-2015 at 12:21 PM.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  8. #8
    Quote Originally Posted by routercnc View Post
    Interesting machine

    The cross rail being drilled about 2mm out- if I understand correctly then I think you need to slot the through hole. If you don't have a mill then you may be able to use a router and carbide bit or pillar drill with counterbore bit plus some filing.
    not an ideal solution, but I think it will be adequate, there is a 3rd bolt for each end from underneath so plenty of fixing, and the counterbores are going to be covered at some point with something to keep the ballscrews and rails clean

  9. #9
    What about filling the holes with stuff then drill new holes.
    https://www.machinemart.co.uk/shop/p...inium%20repair
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  10. #10
    I would worry doing it that way eddy, as the new hole would mainly be in the filler... and is 50mm deep

    only alternative is to drill out to about 24mm tap & plug, pin it and then redrill & tap.... but holding this vertically to drill will be a right pain.

    think it will end up on the inside and ream holes to suit in the side rails

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