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Thread: internal thread burrs issue

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    Question internal thread burrs issue

    HELLO I AM facing a little problem infact big problem regarding threading...it is bsp 1-1/2" which i make on cnc turning center..i make 30 degree chamfer both ends of flange check attach jpeg... but both ends of thread is not clean as i need there is a burr...and every time i have to clear the burr by hand scraper....is there any solution regarding it...because in production it become a big task to clean it..please help

    regards
    asif
    Attached Thumbnails Attached Thumbnails IMG_20170620_025935_021.jpg  

  2. #2
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    Default Re: internal thread burrs issue

    Hi asif! try 27.5 deg (55 deg being the inclusive angle) and make your chamfer a little larger on the exit

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    Default Re: internal thread burrs issue

    Thanks Paul I'll try it soon....

    Regards
    Asif

  4. #4
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    Default Re: internal thread burrs issue

    Hi Asif:
    We often deburr by hand, I think the burr issue can not be solved completely.

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