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Thread: Machining 718 Inconel at High Speed

  1. #1
    PracticalMan is offline Super Moderator
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    Default Machining 718 Inconel at High Speed



    Extremely hard materials can be vexing to work with mistakes are very expensive simply because of the cost of the material. This video was sent in by a machinist that has worked with high speed and advanced materials for more than 20 years. It is not uncommon for people to run inconel at SFM of about 50. This video shows that it can be cut at 4,000 on a rigid machine provided the set-up is right. It requires the right programming, tooling, tool holder and a fast, rigid machine. All of these components are critical to the success of this application. If one variable is wrong it could fail. This is a pretty impressive cut that was used as a demo live at IMTS in 2006. The set-up used is listed below.


    Material: 718 Inconel
    Machine Okuma MB

    Kennametal ceramic inserts

    BIG Kaiser, Big Plus Holder 1 1/4'

    4000 SFM

    .002 Chip load per tooth




    This video is presented courtesy of Hardmilling.com
    jdj and danielcedillo like this.

  2. #2
    mori is offline Plastic
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    Thumbs up nice work

    its good to see people move faster not slower with the super alloys. how many edges on cutter? and also how deep the cut?

  3. #3
    gsjohnny is offline Plastic
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    how much white layer is there after machining?

  4. #4
    Brazos's Avatar
    Brazos is offline Plastic
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    I can't view the video.
    Brazos

  5. #5
    Brazos's Avatar
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    Now I can that's cool.
    Brazos

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