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What angle do you consider a blade sharpened at…

Recent Forums Main Forum Techniques and Sharpening Strategies Thoughts/Theories/Science Related to Sharpening What angle do you consider a blade sharpened at…

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  • #33378
    cbwx34
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    Quick question…

    If you have a blade that is ground 5° per side (see picture), and you sharpen it at an angle measured 20° from vertical (how it’s measured on the W.E.), do you consider the edge sharpened at 15° or 20° ? (Setting aside the ‘actual angle doesn’t matter’ argument.) I know you’d document it as being sharpened on the 20° setting, but what do you consider it sharpened at?

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    #33380
    tcmeyer
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    Grasshopper…  Why do you ask such questions?  You know more of angles than the master.

    The apex will have an included angle of 40 degrees, so I consider it 20 dps.  The primary grind (whether 5 or 10 degrees included) is irrelevant when considering the sharpness of the edge.  Angles are always relative to the centerline plane of the blade.  Nicht wahr?

     

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    #33382
    Frans
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    Nicht wahr?

    Jawohl. At least that is what I also believe.

    #33397
    cbwx34
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    • Topics: 57
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    Thanks.  Measuring from the centerline is what I thought… then I was watching a video yesterday where it was being measured from the blade’s grind, and it kinda threw me, since I hadn’t really thought about it before.  Never hurts to ask. 🙂

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