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  1. #1
    Join Date
    Sep 2005
    Location
    Perth
    Age
    52
    Posts
    143

    Default Thicknesser blades not straight

    Hi all

    I recently bought a set of new knives for my 15 inch thicknesser from a reputable (I wont name them) supplier.

    I installed them into my thicknesser, then ran a piece of wood through and checked the piece with my calipers. It was out by about 3 thou.
    I then checked the blade height again. I check the blade height at each and of the drum when installing blades. This time I checked the middle. The middle was much higher than the ends.

    I removed the blade and held it up against my good quality veriatas straight edge. It was bowed up towards the centre.

    I feel I should not have to check that the blades are straight before I install them. I just assumed they would be perfect, after all they do cost a little over $100 for 3 blades.

    Has anyone else come across this problem?

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  3. #2
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    4,468

    Default

    No excuse take them back and get them replaced take your straight edge with you

  4. #3
    Join Date
    Sep 2005
    Location
    Perth
    Age
    52
    Posts
    143

    Default

    I took them back today and got a replacement set of a different type.
    All happy again. The boys where very helpful.

    Seems they had a bad batch of blades as the others in stock are all bowed too.

    Just goes to show you can never take anything for granted. CHECK EVERYTHING!

  5. #4
    Join Date
    Aug 2004
    Location
    Perth WA
    Posts
    2,035

    Default

    So are you going to praise Carbatec for being helpful?

    If you change the cutter head over to a Bryd helical you won't have to worry about un-straight blades
    Experienced in removing the tree from the furniture

  6. #5
    Join Date
    Jun 2007
    Location
    Longreach
    Age
    58
    Posts
    1,108

    Default

    I am wondering if a discrepancy of only 3 thou in wood working is anything to worry about?
    If you were talking steel machining that would be different.
    Check my facebook:rhbtimber

  7. #6
    Join Date
    Dec 2010
    Location
    Melbourne
    Age
    79
    Posts
    601

    Default

    I agree with the last post 2 thou.??? I would think that the timber would expand and contract more than that.

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