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  1. #1

    Join Date
    Feb 2019
    Posts
    62

    First Cnc Build With extrusion

    hi all its my first time to build the cnc some part already bought if there any suggestion for improvement please tell me thanks here list of the part with the cost and some of the picture


    1.JMC SERVO 20BIT 400Watt

    Power: 400W
    Speed: (Rated/Max) 3000/5000rpm
    Price : 190 USD EACH WITH THE DRIVER

    2.TBI OFU BALL SCREW 2005 C5 GROUND WITH C5 BALL SCREW SUPPORT ANGULAR BEARING

    970mm Double Nut Ground C5(OFU new version compare to DFU)
    Price: 210 USD each For 1 meter Length
    C5 Angular BallscrewSeat:30 Dollar Each

    3.ALUMINUM EXTRUSION 100*200 ,100*100,80*160

    100*200= 82 Dollar Each =2 Unit
    100*100= 40Dollar Each =3 Unit
    80*160 =32 Dollar Each =1 Unit

    4.2,2KW SPINDLE

    170USD With VFD

    5.HIWIN CGW20CC 20MM WITH STAINLESS STEEL STRIP RAIL

    CGW20CC BLOCK 20mm=15 Dollar Each =8 Unit
    CGR20R With Steel Strip =34 Dollar For 1 Meter=4X1 meter

    6.25MM AND 12MM ALUMINIUM SHEET 6061T6

    370mm*480 25mm Thickness 2Unit
    390mm*600 25mm Thickness 1 Unit
    480mm*510 12mm Thickness 1 Unit
    Total All=160 Dollar

    7.FOR Z AXIS IUSE LINEAR ACTUACTOR WHICH I GOT FOR FREE USING 2005 BALL SCREW WITH 4 15MM BLOCK HIWIN

    8.ESS Smooth Stepper Around 200 USD

    Total Damage for now
    1700 USD

    size 1 meter x1 meter effective dimension 60cm*70cm








  2. #2
    Registered
    Join Date
    Dec 2014
    Posts
    640

    Re: First Cnc Build With extrusion

    Access to your anti-backlash nut is easy, but I'd be concerned about that thin little piece of aluminum transferring motion from the screw to the Z axis carriage. Probably ok for most operations I guess.

  3. #3

    Join Date
    Feb 2019
    Posts
    62

    Re: First Cnc Build With extrusion

    haha yeah im still thinking about nut holder design maybe i should do V shape

  4. #4
    Registered
    Join Date
    Dec 2014
    Posts
    640

    Re: First Cnc Build With extrusion

    I would think a V shape would work better.

  5. #5

    Join Date
    Feb 2019
    Posts
    62

    Re: First Cnc Build With extrusion

    ok for my concern now is the spindle and y axis block which is far do i need to make it more near to spindle i would lost around 100mm working dimension for it


  6. #6
    Registered
    Join Date
    Mar 2018
    Posts
    38

    Re: First Cnc Build With extrusion

    At those price i relly would like to know where you are sourcing your aluminum extrusion

  7. #7

    Join Date
    Feb 2019
    Posts
    62

    Re: First Cnc Build With extrusion

    Quote Originally Posted by HuguesP View Post
    At those price i relly would like to know where you are sourcing your aluminum extrusion
    hi all the part i buy mostly from china and taiwan since i stay near them that price already included with custom cut and thread

  8. #8
    Registered
    Join Date
    Oct 2009
    Posts
    579

    Re: First Cnc Build With extrusion

    Teamloks1, where are you located?

  9. #9

    Join Date
    Feb 2019
    Posts
    62

    Re: First Cnc Build With extrusion

    im from Malaysia

  10. #10
    Registered
    Join Date
    Oct 2009
    Posts
    579

    Re: First Cnc Build With extrusion

    Thank you,
    The prices you quoted for the extrusions would
    be too good to be true here in the US.

  11. #11
    Registered
    Join Date
    Oct 2009
    Posts
    579

    Re: First Cnc Build With extrusion

    I think one point of concern could be the side-to-side
    movement of the gantry held in place. Even though
    it has 10 bolts per side at the gantry, the bottom is
    (structurally speaking) not a 'fixed end'. It relies on
    the rigidity of the side plates and becomes a cantilever.

    Moving the linear rail to the top slot would shorten
    that cantilever. (Suggestion 1)

    Adding another rail to the bottom slot would make
    it a (vertical) beam with two somewhat fixed ends.
    (Suggestion 2)

    Attachment 414122

  12. #12
    Registered
    Join Date
    Mar 2018
    Posts
    38

    Re: First Cnc Build With extrusion

    75mm x 150mm x 600mm extrusion is 100$cad = 75$ usd here in canada,

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