[Jewelry making - Article 00163] - Re: [Orchid] Type and basic assortment for endmills

[Bruce D. Holmgrain]

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Todd,

>     I will start milling WAX and graduate to metal later. It comes with
>     a 1/8" and 1/4" collet. Do I need more collets of different sizes. I
>     have read alot about keeping the endmills sharp. Does this apply as
>     much to wax? Do I need to get a sharpening setup? 

    I'm pretty new at this too. 

    I have been getting my cutters from Bits&Bits. They are on the web.
    I have been using .003"/6 degree pyramid cutters. I have also broken a
    few. It appears that there are overkill. I see that one of my
    service bureaus is using .004"/10 degree cutters on the Revo 540. I
    think that I'll be doing the same soon. The cutters that I have been
    using are carbide. This makes them brittle. I suspect that I'll try
    the high speed ones soon too. Although they dull much quicker, they
    are said to be a little tougher. 

    Initially, I made the mistake of buying a tool holder. You are right
    to go with collets. Now that I am using collets, I have no detectable
    runout. 

I'd love to hear other suggestions.

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