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Thread: Countersink Sharpening Fixture

  1. #11
    PJs
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    Great write up, pics and the vid made it real clear, Doug. Honestly, I've never seen chips that good from a New countersink...that is Impressive...made it look like shaving butter with a scalpel! Am curious how well it cuts CRS or harder material. Love that you take that simple approach to your designs and versatility of a tool and would never have thought about the cam idea for that operations, let alone how much of a cam.

    Once again I learned a bunch in 10 minutes and ever grateful for you sharing your work and the forum! Thank You!

    PJ
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
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  2. #12
    Supporting Member rossbotics's Avatar
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    Quote Originally Posted by Saltfever View Post
    Nice. If you keep this up I'm going to be tempted to start looking for a surface grinder! :-)
    How did you create the cam?
    Thanks Saltfever
    I should have made a video of the cam manufacturing, it's relatively hard to explain, a visual would clear things up, I'll work on a video

    Thanks Doug
    Comments are always welcome
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  4. #13
    Supporting Member rossbotics's Avatar
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    Quote Originally Posted by wizard69 View Post
    nice little fixture. Something like this should be extended to do two lip drill bits. Thanks for the great video.
    Thank you wizard69
    It could be converted to sharpen a drill with the appropriate cam

    Thank You
    Doug
    Comments are always welcome
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    The cam

    Quote Originally Posted by rossbotics View Post
    I should have made a video of the cam manufacturing, it's relatively hard to explain, a visual would clear things up, I'll work on a video

    Thanks
    I too would be grateful for a video about making the cam. I cannot think of an easy way to do it.......

    Thank you.... Lornie

  6. #15
    Supporting Member rossbotics's Avatar
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    Quote Originally Posted by Metallurg33 View Post
    Once again, nice work & a good video,
    Thank you Metallurg33

    Doug
    Comments are always welcome
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  7. #16
    Supporting Member rossbotics's Avatar
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    Quote Originally Posted by Stevohdee View Post
    So ingenious, well done, video explains nicely, thanks again doug
    Thanks for your comment Stevohdee

    Doug
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  8. #17
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    Quote Originally Posted by PJs View Post
    Great write up, pics and the vid made it real clear, Doug. Honestly, I've never seen chips that good from a New countersink...that is Impressive...made it look like shaving butter with a scalpel! Am curious how well it cuts CRS or harder material. Love that you take that simple approach to your designs and versatility of a tool and would never have thought about the cam idea for that operations, let alone how much of a cam.

    Once again I learned a bunch in 10 minutes and ever grateful for you sharing your work and the forum! Thank You!

    PJ
    Thank you PJs
    My first attempt at creating the cutting edge relief was not so good, I originally made a spindle with an eccentric hole of .030" offset for the countersink, I could never get the timing right, so that's when I came up with the cam idea, the cam worked perfectly, for me to explain the cam making process would get pretty lengthy, a couple other members asked the same question so I'm going to make a video and post it. BTW the countersinks are made by KEO and they work just as well on steel

    Thanks PJs
    Doug
    Comments are always welcome
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    Nice job Doug! will you be adding this to your plans for sale


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