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Creating a burr

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  • #53094
    Richard
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    • Topics: 8
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    A topic popped up in another forum regarding how far through the grit progression should one try and obtain a burr.  I commented that I will look for a burr as long as I can still feel one which is pretty high.  I got this response, am I wrong in my methodology?

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    #53099
    Organic
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    • Topics: 17
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    MarcH sent me a series of microscope images that show a very small burr is formed at every grit in his sharpening progression even though he was not intentionally creating a burr. Burr formation happens if you are properly apexing the edge.

    I intentionally form a burr that I can feel on the first stone and then just follow by loupe or microscope inspection afterward. Based on Marc’s images, I’m sure I’m also getting a burr at each step along the way, but I’m not intentionally trying to make one big enough to feel.

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    #53102
    MarcH
    Moderator
    • Topics: 59
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    I employ several sharpening strokes in a repeated process, grit and finer grit.  These different sharpening strokes, this protocol, makes up my sharpening technique.

    The burrs that are formed, that I did observe and photograph with the USB microscope, are an indicator that effective sharpening technique is being practiced.   These burrs formed are subsequently removed with the next sharpening stroke that I employ in this repeated mixed stroke protocol.  The very last stroke I employ with each grit leaves the apex exposed and burr-less.

    Marc
    (MarcH's Rack-It)

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    #53103
    Expidia
    Participant
    • Topics: 43
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    I’m just guessing here, but since its a kitchen knife I’m guessing by the scratch pattern you stopped at 1,000 grit.  Maybe 1,500. What say you Readheads?

    And a nice job too :o)

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    #53105
    Richard
    Participant
    • Topics: 8
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    I guess I’m wondering about his claim of making the edge weak by not checking for a burr after 200, he got a bunch of likes so I’m thinking that us here on this forum constitute a different opinion.  I myself did two knives this afternoon and had a burr at 1600, did a couple of dozens stroke and I consider it a work of art.

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    #53120
    Mike
    Participant
    • Topics: 0
    • Replies: 2

    Very nice

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