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IndustryArena Forum > Other Machines > Engraving Machines > Engraving small letters on Anodised Aluminum

Thread: Engraving small letters on Anodised Aluminum

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  1. 05-23-2012, 01:07 PM #1
    engravernorfolk
    engravernorfolk is offline Registered
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    Engraving small letters on Anodised Aluminum

    Hey

    Engraving 3mm letters on some anodised aluminium and its coming with the slightest of burs on the odd letter, got a sharp cutter so can't be that! Any ideas?
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  2. 05-23-2012, 03:40 PM #2
    keebler303
    keebler303 is offline Gold Member
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    Nope, can't be the cutter!

    What tye of cutter are you using? How big? Speed and feed?

    I normally get good results with a 2 flute ball mill cutting 1/2 diameter deep.
    For 3mm tall letters you might want a 0.5mm cutter or so? I'd run it .25mm deep to start.

    Matt
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  3. 05-23-2012, 03:42 PM #3
    engravernorfolk
    engravernorfolk is offline Registered
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    Hello Matt

    Carbide cutter @ 0.1mm. I have a reverse spiral fill on the font at a decent overlay.

    im at 16000 RPM and at about a 30% speed. 100% being for plastic use.
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