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Thread: Knurling

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  1. #1
    Join Date
    Jan 2004
    Posts
    668

    Knurling

    Is it possible to do knurling with a mini mill? I may need to do it on a round piece after shaping in a 4th axis operation, mounted in a rotary table. What about using the diamond pattern on a flat surface? Comments.

  2. #2
    Join Date
    Dec 2005
    Posts
    3319
    If you are planning to hold the knurling tool in a collet, be advised that the bearings (if held stationary) in a mill are TOTALLY unsuited as providing backup support if you plan to the spindle as a bench press to force the knurl into the part. Too much risk of brinnelling the bearings if you apply a huge load while they are stationary.

    A 4th axis spindle might be able to support the load but not the mill spindle bearings.

  3. #3
    Join Date
    Oct 2005
    Posts
    251
    No, take it to the lathe .

  4. #4
    Join Date
    Jul 2005
    Posts
    12177
    Quote Originally Posted by SPEEDRE View Post
    Is it possible to do knurling with a mini mill? I may need to do it on a round piece after shaping in a 4th axis operation, mounted in a rotary table. What about using the diamond pattern on a flat surface? Comments.
    With a 60 degree vee cutter you should be able to cut a knurl on either a round piece held in a 4th axis or on a flat surface; diamond, square or straight.

  5. #5
    Join Date
    Jan 2004
    Posts
    668
    Thank guys.I guess I'll stick to the lathe.

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