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  1. 04-08-2017

    Thread: Cutting aluminium without oil/coolant

    by Christian Knuell
    Replies
    7
    Views
    39,472

    Re: Cutting aluminium without oil/coolant

    Hi,

    I do almost all aluminum machining with trochoidal milling.
    It works very well without lubricant and also without air:


    http://www.youtube.com/watch?v=U7yn399bE1I

    Christian
  2. 25-10-2015

    Thread: Getting tear-out - need advice

    by Christian Knuell
    Replies
    21
    Views
    42,661

    Re: Getting tear-out - need advice

    Hi,



    marks at the bottom are usually caused by misalignment of the spindle (not exactly perpendicular to the machine base).



    If wood tears out the tool is usually just not sharp enough....
  3. 20-10-2015

    Thread: USB CNC controller with Arduino UNO and Xbox gamepad support

    by Christian Knuell
    Replies
    0
    Views
    11,919

    USB CNC controller with Arduino UNO and Xbox gamepad support

    Hi,

    I hope it is OK if I just post a Video about the newest version of Estlcams CNC controller:


    https://www.youtube.com/watch?v=_y4g8zBoOV0

    Version 8.1 now offers a GRBL compatible pin...
  4. 09-10-2015

    Thread: 1.5Kw Chinese Spindle help

    by Christian Knuell
    Replies
    3
    Views
    19,649

    Re: 1.5Kw Chinese Spindle help

    Hi,



    its an induction motor.



    The chinese VFDs are OK - no need to spend extra money
  5. 01-09-2014

    Thread: Unusual Knife Block

    by Christian Knuell
    Replies
    1
    Views
    15,895

    Unusual Knife Block

    Hi,

    an unusual but quite practical knife block made from 15mm beech plywood:


    https://www.youtube.com/watch?v=SVIecDQRWgk

    You'll find the DXF Files and some more info at my homepage:...
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