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Thread: Hi-res photos of DE blades

  1. #1
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    Default Hi-res photos of DE blades

    I have access to a variety of hi-res cameras at work. Just out of curiousity, I decided to take 6 DE blades that I have and grab a few photos. It was a little difficult to get clear photos from the same perspective due to different angles. The setting on the camera was +240, so I'm guessing 240x magnification? Well, here they are.

    Derby Extra



    Feather Platinum



    Gillette Platinum (Swedish)



    Israeli Platinum



    Merkur Super Platinum



    Wilkinson Sword (white)



    Side by side



    Side by side (closeup)



    If anyone wants the close to 6000 pixel wide master file, let me know and I'll email it to you. It's less than a meg.

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    John, what does all this mean?

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    Just look at the edge of the Merkur, no wonder it cuts me to ribbons!
    Cheers
    John

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    Quote Originally Posted by Austin
    John, what does all this mean?
    Uh...bored at work?

    I guess I didn't draw any conclusions because I'm not sure either. Maybe people are interested in what they're putting on their face. I'd like to go back and try another camera setup to see if I can get some better photos. Maybe I can convince the guys in inspection to let me use the X-ray.

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    Quote Originally Posted by letterk
    Uh...bored at work?

    I guess I didn't draw any conclusions because I'm not sure either. Maybe people are interested in what they're putting on their face. I'd like to go back and try another camera setup to see if I can get some better photos. Maybe I can convince the guys in inspection to let me use the X-ray.


    Thanks. I wasn't sure if I was being dense.

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    Just like a straight razor, DE blades do have a bevel. Where pictures change to the "lighter" color is the beveled area. The lines are striations from the sharpening process. It's interesting seeing the DE blades, as with straight razors, I have always seen the striations at an angle, due to the X-pattern used when honing.

    HERE is a thread from SER that might help you better understand what you are seeing.

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    Wow! I must admit the pic of the Merkur edge is terrifying. Do you really want to put that next to your face when you can see the pics of the other blades?
    - Jim

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    OK, so the Merkur photo is probably the worst of the 6. It had something weird going on with the blade tip and I kept getting chromatic aberations, which is mostly what you see there (that and it's a tad out of focus). I may go back and try to get a better shot.

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    A ha! All is explained! Seriously, though, these are interesting photos. If I remember correctly, there was a similar thread some time ago, and it raised all sorts of interesting speculation.
    -Scotto


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    here is the similar thread


    Ron

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    Nice work John! I have been wondering about this for a while -now all we need is some one with access to an electron microscope!

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    Quote Originally Posted by Arby
    here is the similar thread


    Ron
    Didn't see that. I guess we have two sets of photos now.

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    Quote Originally Posted by Goosemeplease
    Nice work John! I have been wondering about this for a while -now all we need is some one with access to an electron microscope!
    Heh, that's a great idea. I have access to a SEM, now all I have to do is get one of each blade type.

  14. #14

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    There must be something wrong with my eyes, but I cant see details of the edges at all, the edges are very indistinct in the photo's,
    all that I can deduce so far is.
    1) Some manufacturers use a 3, some 2, some 1 pass sharpening system
    2) Some of the edges are chisel angle points.
    3) Some have very shallow ground edges.

    Can't see the properties of the actual cutting edge on any of them.
    Last edited by wetbadger; 04-24-2008 at 12:53 PM.

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    Default Feather Blade ?

    If I understand it correctly the Feather blade seems a bit rough?

    DaveS

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    the Wilkinson blade reminds me of the surface of the moon

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    Quote Originally Posted by ceebz View Post
    Heh, that's a great idea. I have access to a SEM, now all I have to do is get one of each blade type.
    How about AFM?

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    Quote Originally Posted by ceebz View Post
    Heh, that's a great idea. I have access to a SEM, now all I have to do is get one of each blade type.
    You have a SEM and know how to use it?

    I will give you any blades you want. You can come to my home and choose.
    David

    Nice but can you shave with it?

  19. #19
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    I would love to see an "after" picture of the blades (after they have been in a rotation).
    Art - AACJ at badgerandblade dot com

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  20. #20

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    Quote Originally Posted by AACJ View Post
    I would love to see an "after" picture of the blades (after they have been in a rotation).
    +1. Would the edge of the bevel be visibly folded or bent?
    -Jay

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