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Thread: Not Sure reason for tear out and burning

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  1. 08-25-2016, 08:41 PM #1
    Captive
    Captive is offline New Member
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    Default Not Sure reason for tear out and burning

    I was cutting out a round maple plaque and when cutting out the perimeter I got some real bad tear out on the edge... not sure why.

    Material thickness 0.85
    Cut with Straight cutter
    3 passes
    Rpm 12k
    Feed 0.7 ips
    Climb cut
    Material: Maple
    No vacuum

    The circle is about 24" in Diameter and I don't have a vacuum so I just left a large tab at the top and bottom and was just going to remove it with a flush trim router... it looks like the tear out is just before when the tab starts..

    And also getting some burning with the V-Carve "king".. but I am suspecting this is just a matter of dialing in the RPM and feed speed...

    120 Deg V bit
    0.7 ips
    RPM 18k

    Any recommendations would be much appreciated..thanks
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