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  1. Troy2601

    BEST METHOD FOR SMALL, TIGHT TOLERANCE, HOLES

    I suggest the same as above, in my opinion you will want to use a hardend steel and first use EDM and then lap them in jig borer
  2. Troy2601

    Vertical Mill Fixtures

    Fixture's for this type of application are best built by an experienced Tool Maker so i would suggest that if you are not sure about the clamping pressures needed and or location of clamps and such you should consult a experienced Tool Maker. or the other method of this is trial and error wich...
  3. Troy2601

    EDM: What Metal & Thickness Is Best for Go/No Go Gage?

    I dont think that a lazer or waterjet has the capability to hold a +.000 -.004 tolerance. so i would also recomend using A2 Tool Steel and Grinding all guages on a serface grinder atleast for a square datum then harden them to a 54-56 RC and use wire EDM to finish. may be able to come up with a...
  4. Troy2601

    GD&T Positional tolerances

    I agree with the above posts, there is no reason to put a positional tolerance on a hole with no datum refrence unless the hole itself is the datum.
  5. Troy2601

    drill chips

    In my opinion your chips should be blue and breaking cleanly, stringy chips are usally due to dull drills or improper speeds and feeds
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