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Delrin, plastic knurling tips needed

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  • Delrin, plastic knurling tips needed

    I've been knurling some small OD (0.25") delrin parts. The knurl is an Aloris clamp type. The rolls are somewhat coarse and this may be part of my problem. I suppose the face width is another part of it.

    Does anyone have any tips for knurling plastics to prevent small parts from "rolling out" from under the knurls? Where possible, I keep part ODs large until knurling is complete but in this case the entire part is 0.25" OD.

    Den

  • #2
    You will have to cut the knurl on a part that size. Displacement knurling takes too much force to knurl a part that small.
    Free software for calculating bolt circles and similar: Click Here

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