Page 2 of 2 FirstFirst 12
Results 16 to 26 of 26

Thread: A sharpening idea I've never heard of

  1. #16
    Join Date
    Sep 2007
    Location
    Longview WA
    Posts
    27,454
    Blog Entries
    1
    Quote Originally Posted by Kees Heiden View Post
    No idea about the endgrain thing. But what is this dubbing thing he talks about? You hear it often in talks about stropping but I'm afraid I have no clue about how to accomplish dubbing on a nice hard strop.
    A little roll in your pull and you could round over the edge, thus 'dubbing' it Sir Dulls a Lot.

    jtk
    "A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty."
    - Sir Winston Churchill (1874-1965)

  2. #17
    Ah, okay, that's easy. Don't roll over

  3. #18
    Join Date
    Jan 2009
    Location
    Williamsburg,Va.
    Posts
    12,402
    Another silly idea: Someone told me long ago that a wood carver in Mexico sharpened his carving tools by jabbing them several times into a bag full of sand. Poor carving tools!!!!!

    This thread has been about another silly idea that you should all FORGEDDABOUDIT!!!!

  4. #19
    Join Date
    Feb 2008
    Location
    E TN, near Knoxville
    Posts
    12,298
    Quote Originally Posted by William Fretwell View Post
    Another sharpening thread.....and razors...... Does anyone have a scanning electron microscope?
    You ship a blade or two, I can get SEM photos. I'll verify beforehand.

    JKJ

  5. #20
    Join Date
    Feb 2008
    Location
    E TN, near Knoxville
    Posts
    12,298
    Quote Originally Posted by george wilson View Post
    Another silly idea: Someone told me long ago that a wood carver in Mexico sharpened his carving tools by jabbing them several times into a bag full of sand. Poor carving tools!!!!!
    A teen in the 60's, I read this in the syndicated newspaper column "Hints from Heloise" on how to sharpen scissors: Make several cuts through a sheet of coarse sandpaper.

    This may have been the thing that got me started down the path of skepticism and critical thinking.

    JKJ

  6. I occasionally use methods to remove a burr other than honing or stropping it off, but generally this will happen at the coarse end of the process, rather than at the finish. For instance the bench grinder leaves a big ragged burr that obscures the edge. A slice against some soft wood will tear that burr off of there. I don't worry about the effect on the edge at that point as there is still plenty of honing to follow.

    The idea of doing that instead of stropping as a final step might work but doesn't appeal to me. Enough said.

  7. #22
    I'm a very basic sharpener and strongly believe that you only sharpen to "sharp enough". Rough work tools get minimal sharpening, finishing edges like smooth plane get the full treatment, and paring chisels get the full treatment and then some. If any level of sharpening cuts to your satisfaction and produces the finish you need it is sharp enough. I get amused quite often with sharpening threads here. I am truly convinced that some folks have turned sharpening into a major fetish. As always, it is only my opinion and I reserve the right to snicker behind everyone's back.
    Dave Anderson

    Chester, NH

  8. #23
    Quote Originally Posted by Jim Belair View Post
    On Tico Vogt's blog he suggests an alternative to stropping that I've never heard of before. I'll let him tell it....

    The final step in honing the secondary bevel for my shooting plane irons is to push them into the end grain of a Maple stick charged with 0.5 micron diamond paste and sliding side to side. This ensures that the burr is removed, while not dubbing the edge as stropping might. Shooting end grain puts a premium on having a keen edge.

    My initial thought is that this may be detrimental to the edge during the "push in" stage. Interested in others' opinions.


    Common practice for removing the wire edge when sharpening scissors, except for the part about charging the end grain with abrasive. NOT applicable to sharper bevels and finer edges on tools like chisels, knives and plane irons.

    Also, you don't "push in", you just draw the scissor edge across the end grain.

  9. #24
    Join Date
    Sep 2007
    Location
    Longview WA
    Posts
    27,454
    Blog Entries
    1
    Quote Originally Posted by John K Jordan View Post
    A teen in the 60's, I read this in the syndicated newspaper column "Hints from Heloise" on how to sharpen scissors: Make several cuts through a sheet of coarse sandpaper.

    This may have been the thing that got me started down the path of skepticism and critical thinking.

    JKJ
    My skepticism and thinking was already going when that "helpful" advice was making the rounds.

    If shearing cloth or paper dulls a blade, how is doing the same action with something more abrasive going to do an opposite action to dulling?


    Quote Originally Posted by Dave Anderson NH View Post
    I'm a very basic sharpener and strongly believe that you only sharpen to "sharp enough". Rough work tools get minimal sharpening, finishing edges like smooth plane get the full treatment, and paring chisels get the full treatment and then some. If any level of sharpening cuts to your satisfaction and produces the finish you need it is sharp enough. I get amused quite often with sharpening threads here. I am truly convinced that some folks have turned sharpening into a major fetish. As always, it is only my opinion and I reserve the right to snicker behind everyone's back.
    Somewhat the same on this. My scrub plane blade doesn't have to be as hair popping sharp as my smoothing plane's blade. The skill is being able to get the blade as sharp as is needed/desired. It is a bit of an obsession to work the weed wacker's line trimmer to the point of being able to use it for a shave.

    jtk
    "A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty."
    - Sir Winston Churchill (1874-1965)

  10. #25
    Quote Originally Posted by William Fretwell View Post
    Another sharpening thread.....and razors...... Does anyone have a scanning electron microscope? I've always wanted one but they take up a lot of space and the vacuum pump is noisy.
    Removing the 'foil' with end grain is a strop for both sides at once, it may leave nano serrations, but without the electron microscope we may never know.

    Here's some interesting truth via SEM.

    https://scienceofsharp.wordpress.com/

  11. #26
    Join Date
    Feb 2008
    Location
    E TN, near Knoxville
    Posts
    12,298
    Quote Originally Posted by David farmer View Post
    Here's some interesting truth via SEM.

    https://scienceofsharp.wordpress.com/
    Excellent information on the whole site! I like the way they used the same section of the razor edge for each comparison shot.

    I have good optical lab microscopes and can testify that evaluating a sharpened steel edge from the side is difficult. An SEM at home would be fun. For a rich person. I see some on Ebay for big bucks. Even then some descriptions mention things like it seems to be in "nice" shape or seems to be complete, no promises. A friend of mine has a new one in his office - probably cost more than my farm!

    JKJ

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •