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Probe tip material selection

So I have been using a ruby tip for all my parts. We machine Inconel aluminum and stainless. I scan my parts. I am noticing I am getting huge wear very quickly. Should I be using a silicon nitride ball instead?



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  • I scan hardened stainless all the time with a ruby, no issue.

    Aluminum will load up a ruby, silicon nitride is the way to go.

    Want to see a ruby die in one part? Scan cadmium plate for a dozen linear inches or so.
    Even the silicon nitride only makes like 12 parts on that thing. Gray scotch brite can get you another 5-10 parts, but then you are replacing it.

    If the material is soft, you want silicon nitride.
    Hard, ruby works just fine.
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  • I scan hardened stainless all the time with a ruby, no issue.

    Aluminum will load up a ruby, silicon nitride is the way to go.

    Want to see a ruby die in one part? Scan cadmium plate for a dozen linear inches or so.
    Even the silicon nitride only makes like 12 parts on that thing. Gray scotch brite can get you another 5-10 parts, but then you are replacing it.

    If the material is soft, you want silicon nitride.
    Hard, ruby works just fine.
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