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  1. #1

    Join Date
    Feb 2019
    Posts
    68

    machining acrylic

    Hello just want to ask question regarding edge finishing i already tried many bit most of it same or just a make a little difference from 1 flute hss to 3 flute onsrud carbide all

    here the picture of machine i think it rigid enough to cut acrylic

    using servo motor with 4.5 kw bt30 atc spindle i already test the runout of my spindle its around 0.004mm and im using sk tool holder with 0.002mm runout

    those mark i cant even feel it when i touch only can see it by diff angle mostly i cut w ith 18000 rpm 60ipm

  2. #2
    Community Moderator ger21's Avatar
    Join Date
    Mar 2003
    Posts
    34538

    Re: machining acrylic

    It's most likely due to flex in your machine.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3

    Join Date
    Feb 2019
    Posts
    68

    Re: machining acrylic

    Quote Originally Posted by ger21 View Post
    It's most likely due to flex in your machine.
    im taking finishing pass with 0.25mm left even with 3mm thickness got this mark is it because of flex?

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