View Poll Results: what wheel grit to you use for lathe tools?

Voters
32. You may not vote on this poll
  • 40

    0 0%
  • 60

    2 6.25%
  • 80

    14 43.75%
  • 100

    3 9.38%
  • 120

    7 21.88%
  • other

    6 18.75%
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Thread: sharpening wheel grit preference

  1. #1
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
    Posts
    11,825

    sharpening wheel grit preference

    I am setting up a new Wolverine sharpening jig. As I do this, I find I may have to buy a new grinding wheel. I currently use an 80 grit but am open to change if good reasons for doing so are presented. I am curious as to what the most popular grit is for sharpening lathe tools. An post as to why this is your choice would be welcome also.
    I use the 80 because it was recommended to me by a professional turner. His explanation was that a 60 overheated and removed too much metal too fast. A 100, according to him, didn't remove hardly any metal and, essentially, just polished the cutting edge. But an 80 was "just right".

  2. #2
    Join Date
    Dec 2007
    Location
    lutefisk capitol, USA
    Posts
    485
    I use the 80 grit white ones with my wolverine.

  3. #3
    Join Date
    Oct 2006
    Location
    Tokyo Japan
    Posts
    15,807
    I got to say "Other" as I use two, an #80 and a #46.

    I use the #80 about 90% of the time, but the #46 sure comes in handy when I have to reshape a tool or make a tool, it removes a lot more steel a lot faster. I used to have the #120 and #80, but I found, for me, the #120 clogged up really quickly and I did not see much of a difference on sharpness. On my skews, I use the #80 then I have a medium diamond hone (#400 ) and then the honing wheel with the compound on it, to get the skews shaving sharp.

    Works for me!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  4. #4
    Join Date
    Oct 2006
    Location
    Tokyo Japan
    Posts
    15,807
    Hey Frank, is your grinder a 6" unit?
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  5. #5
    Join Date
    Aug 2007
    Location
    Drums, PA
    Posts
    292
    I finer grit will heat faster than a course grit.

    I use a 60 and a 100 grit wheels.

  6. #6
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
    Posts
    11,825
    Quote Originally Posted by Stuart Ablett View Post
    Hey Frank, is your grinder a 6" unit?
    No. 8"

  7. #7
    Join Date
    Jan 2008
    Location
    Stow, OH
    Posts
    151
    46 & 80. Those are the only two grits that the best wheels come in. You can't get the Norton SG and Norton 3X "K" wheels in other grits.
    Finer grit doesn't remove as much steel, runs hotter than coarse grit wheel.

    According to Doug Thompson who has tried almost every coarse grit wheel, there is nothing comparable to Norton 3X 46 grit K wheel in shaping turning tools.

    I had the Norton 3X 46 grit to replace the OEM coarse wheel from the Woodcraft slow speed grinder. The performance is night and day. It is several folds faster without over heating. I don't have to clean the wheel as frequent as well.
    Gordon

  8. #8
    Gordon, your right the Norton 46 grit K grade will remove a lot of metal in a hurry... the steel gets hot but it doesn't burn. I hit the spindle tools on a 80 grit K grade wheel before they are sent out, IMO this is a good edge.

  9. #9
    Join Date
    Nov 2006
    Location
    Vancouver
    Posts
    191
    I voted other as I use 80 for my gouges, and 120 for my skew and parting tools

  10. #10
    Join Date
    Feb 2007
    Location
    Inside the Beltway
    Posts
    2,666
    I voted other too, as I have no idea what grit came pre-equipped on my six inch grinder....

    I assume my setup is substandard, but it's a far sight better than the things I was trying before....

    Thanks,

    Bill

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