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  1. #1
    Join Date
    Aug 2018
    Posts
    1

    Sealing cones

    Hi!

    We have a problem with hardened sealing inner cones. Before hardening the cones, they are being machined in tolerances. After hardening, the form of the cones change radically.
    We haven't found solution for fast and effective way to make cones symmetric and sealing again. At the moment the only solution has been machining the cones with ballnose endmill.
    This solution has been very slow and we need some ideas to make cones more effectively.

    Thanks!

  2. #2
    Join Date
    Jun 2015
    Posts
    4131

    Re: Sealing cones

    hi / pls share an image with the part, maybe the drawing too, and show the location where the problem is

    i can't figure it out only after reading your post / kindly
    Ladyhawke - My Delirium, https://www.youtube.com/watch?v=X_bFO1SNRZg

  3. #3
    Join Date
    Mar 2017
    Posts
    314

    Re: Sealing cones

    I have made many hundreds of sets of close tolerance tapered pins and bushings for molds. Process = "Rough" turn (parts were held to a close tolerance here, just with extra stock) - send to heat treat - finish turn.

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