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  1. #1
    Join Date
    Jul 2004
    Location
    Camden
    Age
    60
    Posts
    247

    Default Sharpening tools

    Hi all,
    I am looking for some help with sharpening my chisels. I have a grinder and i purchased a set of 3 diamond blocks from Carbatec to finish of the sharpening process. I dont seem to be able to get the chisels sharp enough. anyone have any suggestions?

    Roger

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  3. #2
    Join Date
    Mar 2002
    Location
    Brushgrove, NSW, Australia
    Age
    77
    Posts
    261

    Default

    Roger,
    What is your grinder. I was told you need a minimum 8inch grinder with a fine (60 grit) wheel, preferable aluminium oxide. Mine is not AL but is still fine.

    Takes a lot of practice, you may have to sacrifice a tool while learning - maybe buy a cheap tool or a second hand one to practice on.

    I use a spindle gouge most of the time - after a while it started cutting strangely so I bought a new chisel which I do not use, but keep as a "template". I found my spindle gouge was really out of shape but have now been able to reshape it using the new one as a model.

    I don't think you really need to use the diamond blocks - when you finish using the grinder the edge should have a burr on it - leave the burr on, it helps cutting. You may like to see what Roger Bell says at http://www.tymba.com/tools.htm
    The end of the article has a few hints on sharpening.

    Hope this is of some use
    Don

  4. #3
    Join Date
    Mar 2004
    Location
    Taree
    Age
    71
    Posts
    289

    Default Try a decent sharpening Jig

    Roger
    I have only been turning since the beginning of the year, and soon found how much easier it is with correctly sharpened tools.
    There are a number of jigs around, but after much research, I found the UniJig to be the yardstick.
    I had trouble getting one from retailers, till I found George's website (he invented & makes them)
    I was able to get one from him and some great advice as well.
    You can get all the info here
    http://www.unijigproducts.com.au/
    He also has some great tool blanks (turn your own handle)
    I am using mine on a 6" grinder - but an 8" is better. Get a good wheel too - it's worth it if you get good tools
    Have fun
    Peter
    Happyinsydney

  5. #4
    Join Date
    Jun 2004
    Location
    Mount Colah, Sydney
    Age
    72
    Posts
    923

    Default

    There was a thread recently with a lot of info. Do a search for "grinding jigs"

    Alastair

  6. #5
    Join Date
    Sep 2003
    Location
    Bellingham
    Age
    47
    Posts
    798

    Thumbs up

    Roger,
    I strongly recomend a couple of synthetic japanese water stones and a honing guide like this one:

    http://www.leevalley.com/wood/page.a...urrency=2&SID=

    I also just purchased this book and have found it invaluable to understand sharpening mechanics and theory:

    http://www.amazon.com/exec/obidos/tg...books&n=507846

    finally, if you sharpen quite a bit and want scalpel sharp tools in quick time, look at the tormek grinder:

    http://www.sharptoolsusa.com/

    ok, and if you don't want to buy anything(understandable), I've found that to have truly sharp chisels one must totally lap(flatten) and polish the back. then sharpen the bevel until you can feel the wire edge on the back of the chisel, then remove the wire edge with a couple of lapping strokes . Also, a great profiled woodturning sharpening jig can be made by using the tool itself. Use the tool to gouge a rut in some softwood and then put some honing compound in the rut and run the tool back and forth. using this method one never has to worry about messing up the profile of the tool. hope this helps.
    -ryan

  7. #6
    Join Date
    May 1999
    Location
    Tooradin,Victoria,Australia
    Age
    73
    Posts
    11,918

    Default

    Have a look here.

    http://www.woodworkforums.ubeaut.com...light=grinding

    http://www.woodworkforums.ubeaut.com...light=grinding

    Ryan unfortunately you really can't use a honing guide for woodturning chisels.

  8. #7
    Join Date
    Sep 2003
    Location
    Bellingham
    Age
    47
    Posts
    798

    Default

    ,
    you're right, sorry about that. I got a little excited.
    -ry

  9. #8
    Join Date
    May 1999
    Location
    Tooradin,Victoria,Australia
    Age
    73
    Posts
    11,918

    Default


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