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Thread: Cannot make a straight cut

  1. #1
    Associate Engineer
    Join Date
    May 2015
    Posts
    2

    Cannot make a straight cut

    Hello,
    I am trying to cut a piece of unfired ceramic, although I am not sure the material matters, with a rassor blade mounted in a fixture with a cutting edge at 22 degrees from the horizontal, guillotine style if you will. Problem I have is I cannot make a perpendicular cut. I have the part I believe well supported but I just cannot get a good perpendicular cut. It always tapers off. I am using a .009" think blade and have ordered a .012 think thinking that perhaps the blade is flexing or getting pushed away. Any thoughts?
    Thanks in advance!

  2. #2
    Lead Engineer
    Join Date
    Aug 2013
    Location
    Houston TX USA
    Posts
    421
    It would be helpful to those viewing your post in making an evaluation if you can post a photo of your complete cutting assembly.

  3. #3
    Associate Engineer
    Join Date
    May 2015
    Posts
    2
    I will see what I can do as far as getting a picture.

  4. #4
    Associate Engineer
    Join Date
    Jun 2015
    Posts
    4
    If you are trying to slice the material in thin cuts, the bevel on the blade will force the blade to flex toward the thin piece. If you have substantial material on both sides, any particles harder than the surrounding particles will force the blade to flex toward the softer side. Using a rotating blade will help in both situations.

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