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IndustryArena Forum > General Manufacturing Processes > Milling > Z-differences between machined surfaces of equal height in model
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  1. #1

    Join Date
    Feb 2019
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    2

    Z-differences between machined surfaces of equal height in model

    I'm machining in plastic stock and a 10mm ball nose (0,39"). I have run both a "parallel" program and a "morphed spiral" program on the same model, and I get similar discrepancies between the model and the machined parts from both programs.

    Mainly: The middle area marked in the pictures is lower than the two ends.

    Any ideas on what might cause this?
    Attached Thumbnails Attached Thumbnails IMG_0278 (kopia).jpg  

  2. #2

    Join Date
    Feb 2019
    Posts
    2

    Re: Z-differences between machined surfaces of equal height in model

    More details; the parts marked U are raised and the parts marked N are lower. The zoom photos are of the part made with spiral passes.
    Attached Thumbnails Attached Thumbnails IMG_0278 (kopia 2).jpg   IMG_0281.jpg   IMG_0281 copy.jpg  

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