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Thread: Testing blade sharpness with paper?

  1. #31
    Join Date
    Apr 2017
    Location
    Clarks Summit PA
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    Quote Originally Posted by michael langman View Post
    . And feeling the edge with my fingertips .
    If you want to test your blade before using it, that is the best test. If you lightly brush your finger across the blade edge & it snags your skin you are sharp. The fingernail test is almost as good, especially if it really sticks sliding down the nail.
    Last edited by John K Jordan; 02-05-2019 at 6:30 PM. Reason: fixed quote

  2. Quote Originally Posted by Frederick Skelly View Post
    Here's a silly little thing I've been meaning to ask about...... Do any of you test sharpness by cutting paper? If so, can you please describe to me what you do?

    I can sharpen well enough to take shavings on pine end grain and to pull shavings with my smoothers that are 0.002" thick. But I haven't figured out the paper test. I've tried credit card receipts, notebook paper and even paper bags. The paper will not cut by just pushing the blade into it - the paper folds, etc. And I dont think Im supposed to use a slicing motion to start the cut.

    How do you folks do it?

    Thanks,
    Fred
    It simply is a measure of sharpness. Not only do I try to cut the paper using the push method ONLY, but I look at the edge of the cut for ragged edges which would indicate a duller cutting edge. If that occurs, back on the power strop it goes. Sharpening is a matter of seconds this way.

  3. #33
    I don't cut paper or thread to test sharpness. I do sometimes shave wrist hair, especially during a demo to better illustrate the effects of honing and stropping. In the shop, not so much.

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