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Thread: Sharpen 1/16 parting tool??

  1. #1
    Join Date
    Feb 2007
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    Inver Grove Heights, MN
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    798

    Sharpen 1/16 parting tool??

    What is the correct way to sharpen a parting tool. I am talking about the one that looks like a kitchen knife with a 1/16" blade, about 1 1/4" tall and cut at a 45 degree angle at the end. I have ground on the long side which leaves a burr on the cutting side, but distorts the shape of the tool. I have also ground on the end. I just finished reshaping my parting tool so it looks pretty much like it did when new. Now how was I supposed to sharpen it?
    Last edited by Paul Williams; 03-12-2020 at 5:40 PM.

  2. #2
    Join Date
    Oct 2008
    Location
    Carterville, Illinois
    Posts
    390
    I always sharpen my thin parting tool with a diamond hone (400 then 600). It only takes a minute and doesn't remove a lot of metal or distort the shape of the tool. Also leaves it very sharp. The rest of my tools I sharpen on the grinder.
    Tom
    The hurrier I goes, the behinder I gets.

  3. #3
    Join Date
    Jan 2004
    Location
    Lewiston, Idaho
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    28,546
    Quote Originally Posted by Tom Wilson66 View Post
    I always sharpen my thin parting tool with a diamond hone (400 then 600). It only takes a minute and doesn't remove a lot of metal or distort the shape of the tool. Also leaves it very sharp. The rest of my tools I sharpen on the grinder.
    Tom
    Ditto for me!
    Ken

    So much to learn, so little time.....

  4. #4
    Join Date
    Nov 2009
    Location
    Peoria, IL
    Posts
    4,518
    I sharpen it with a double bevel. I use the Wolverine long rest. The bevels are the same angle on both sides, so I can flip it over to hit the second bevel. The long bevel has a radius from the 8" wheel, but I see no issue with it. Link to a double bevel version. https://www.woodcraft.com/products/s...f-parting-tool

  5. #5
    Join Date
    Oct 2006
    Location
    New Jersey
    Posts
    1,295
    hone here too.
    John T.

  6. #6
    Join Date
    Feb 2007
    Location
    Inver Grove Heights, MN
    Posts
    798
    Guess I should restate my question. Do you sharpen by grinding on the end, or the long side. Sounds like Richard does both.

  7. #7
    I think I had your same issue, Paul. I am probably doing it wrong, but I basically sharpened the long side @ 45 deg on the grinder for a second. That basically truncated the corner so it now looks like a typical spear-pointed parting tool, except the tip is almost all the way on one side. I use the tool with the small edge down. Works fine.

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