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  1. #1
    Join Date
    Mar 2019
    Posts
    1

    Question Setting the right kerf value?

    Hello,

    I am going to have my first tabbed box cut. It will be made of 6mm birch plywood.

    I don't know which kerf value to encode in the box designer (Tabbed Box Maker for Inkscape). I suppose it's better to choose a value which would be a bit too small rather than too big?

    Currently I have set it 0.22mm according to some website whereas the shop where I plan to have the cutting done tell me to set it to 0.3mm. What's the more conservative choice to be sure that the parts can be interlocked? Should I even set it to a lower figure?

    Thank you for helping.

  2. #2
    Join Date
    Feb 2019
    Posts
    1

    Re: Setting the right kerf value?

    You should design a square - something simple like 1" x 1" or if you are working in metric - 25mm x 25mm. Have the shop cut it for you out of the material you are using, and measure the difference with a caliper.

    Ralph
    https://www.layeredpaperart.com

  3. #3

    Re: Setting the right kerf value?

    Kerf values are machine specific. Different lense sizes & quality…
    Even two duplicate lasers can give you different values. The only way to be sure of the fit is to run test parts & change the values as needed. This is basic so I'm assuming that whomever you are jobbing this out to has no knowledge of what they are doing.

    Sent from my SM-G935F using Tapatalk

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