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IndustryArena Forum > Manufacturing Processes > Milling > Uneven surface finish on steel
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  1. #1
    Join Date
    Apr 2020
    Posts
    2

    Uneven surface finish on steel

    Hi,

    I was facing a part. But, the surface finish of the part is uneven, only one small part has mirror-like finish and feels 'flat', the other has tool marks. Can anyone explain what could've possibly gone wrong? I'm pretty sure that the part is clamped down hard enough. Hasn't check runout and the inserts have different heights, I used the lowest insert to setup for my z-axis.

    material: mild steel
    tool: 50mm shell mill with 4 AMPT1604 inserts at 90 degree
    speed: 382rpm
    feed: 76mm/min
    DOC: 0.15mm
    stepover: 75% of tool diameter
    coolant: blast


    Thanks.

  2. #2
    Join Date
    Jun 2010
    Posts
    4252

    Re: Uneven surface finish on steel

    MACHINE????

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