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  1. #1
    Join Date
    Feb 2016
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    Perth WA Australia
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    Default Sharpening large hollow chisels

    Hi all,

    As the title says, what's the preferred method of sharpening large square hollow mortise chisels?

    All the sharpening kits only go up to 1/2". So how does one go about sharpening 5/8, 3/4 or 1" chisels... Accurately

    Is the only method by hand with a file?

    Thanks in advance.

  2. #2
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    Aug 2008
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    If you have a lathe, you could potentially make your own sharpener; just turn up a cone in hardwood and stick some wet/dry sandpaper to it.

  3. #3
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    Perth WA Australia
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    Default

    Thanks for the suggestion, that was my plan b, but was hoping there was a ready made/long lasting solution.

    Suppose the answer is probably not.

  4. #4
    Join Date
    Apr 2011
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    McBride BC Canada
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    Leonard Lee: The Complete Guide to Sharpening. Ch 15, p205.
    He shows a countersink-like device, followed by finishing with an abrasive rod (ceramic?)

    I like the hardwood cone concept with a taper to match the chisel bevels.

  5. #5
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    It would appear that Lee Valley has large cones available Premium Hollow Mortise Chisels & Bits - Lee Valley Tools

  6. #6
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    McBride BC Canada
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    Dad must have cracked the whip! I looked in his book and didn't think to check the catalog.
    I do remember thinking that, over the past decade, LV has a better selection and qualities of all sorts of sharpening products.

  7. #7
    Join Date
    Feb 2003
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    used to live in Sydney, now it's Canada
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    64
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    10,774

    Default

    Quote Originally Posted by tonzeyd View Post
    As the title says, what's the preferred method of sharpening large square hollow mortise chisels?

    All the sharpening kits only go up to 1/2". So how does one go about sharpening 5/8, 3/4 or 1" chisels... Accurately
    how big is your hollow chisel morticer?

    I ask because, in my experience, only the really big ones can drive a 5/8" or larger chisel
    regards from Canada

    ian

  8. #8
    Join Date
    Nov 2004
    Location
    Brisbane
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    1,080

    Default

    I had a Powermatic benchtop mortiser that had a diamond cone that came with the machine. It worked fine.

    If you search on: diamond cone mortise chisel sharpener; you will get plenty of options.

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