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  1. #1
    Hi
    I would like to present you the 2nd version of desktop size router designed by myself in SW.
    Hoping to mill aluminium as hardest material.


    Parameters:
    Working area 320x250x100mm (X.Y.Z)
    Hiwin, HSR or THK 15mm blocks on Z
    Hiwin, HSR or THK 15 or 20mm blocks on X
    Hiwin, HSR or THK 15mm blocks on Y
    3A steppers (8 cables bipolar parallel) Nema 23
    Ballscre RM1605
    Belts HDT 15 T20 1:1
    Spindle Chinese 1.5KW water cooled
    frame box 50x50x4mm
    Digital drivers
    CSMio/IM-M
    Torus trafo 420
    Soft start
    Pliz safety relay
    AB 24V DC
    Power relay

    I am limited with working size due to size of Milling machine.
    All will be tig welded work started, but need your opinion before is too late.
    Thank you for comments.
    Click image for larger version. 

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  2. #2
    Looks good Tom. Are the gantry sides aluminium profile or lots of steel box sections joined together? Needs to be steel to get maximum stiffness on this critical area.

    Thanks
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  3. #3
    Looks good, I'd beef up the bed as it looks weak compared to the rest of your machine 😊

    Sent from my HUAWEI VNS-L31 using Tapatalk
    Neil...

    Build log...here

  4. #4
    Quote Originally Posted by routercnc View Post
    Looks good Tom. Are the gantry sides aluminium profile or lots of steel box sections joined together? Needs to be steel to get maximum stiffness on this critical area.

    Thanks
    All steel boxes welded together

  5. #5
    Quote Originally Posted by njhussey View Post
    Looks good, I'd beef up the bed as it looks weak compared to the rest of your machine ��

    Sent from my HUAWEI VNS-L31 using Tapatalk
    Neil, do you mean T-slot table or frame where blocks seats?

  6. #6
    The other weak link will be the spindle clamp. Needs more clamping area or clamp top/bottom.

  7. #7
    Quote Originally Posted by Tom J View Post
    Neil, do you mean T-slot table or frame where blocks seats?
    T slot table, put the table on a frame or something solid, otherwise you'll get deflection and vibrations and poor finish....

    Sent from my HUAWEI VNS-L31 using Tapatalk
    Neil...

    Build log...here

  8. #8
    You have the rails bolted to the table, a very good start.

    Second picture you go wrong. Your mind is stuck in 2D and it has put a terrible overhang on the router to gantry connection and compelled you to move the bed bearings out from under the gantry creating the awful L shape.

    There is no reason why the Z axis slides have to clear the router head, they can go either side of it.

    Do it again and think overhangs, think 3D

  9. #9
    Quote Originally Posted by JAZZCNC View Post
    The other weak link will be the spindle clamp. Needs more clamping area or clamp top/bottom.
    Thanks Dean
    Got massive cast bracket as well, but revised 2nd option too.Click image for larger version. 

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  10. #10
    Quote Originally Posted by Robin Hewitt View Post
    Second picture you go wrong. Your mind is stuck in 2D and it has put a terrible overhang on the router to gantry connection and compelled you to move the bed bearings out from under the gantry creating the awful L shape.

    There is no reason why the Z axis slides have to clear the router head, they can go either side of it.
    Robin think you better explain because even I can't tell where your coming from with this statement.? If your meaning what I think where is going to put the ballscrew.?

    Picture will explain best.

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