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  1. Chris_W

    Micro drilling help needed

    "I'd find a local machine shop with a decent high speed lathe, and contract them to run some tests for you." Working on it now :) Thanks
  2. Chris_W

    Micro drilling help needed

    I have purchased two types of bits(HSS-CO, carbide) from Guhring, and also bits from other manufacturers. The auto feeding drill manufacturers I've contacted have given wildly different estimates for drill speed. One said 4000 to 8000+ RPM, and another said about 800... At 800 RPM it would...
  3. Chris_W

    Micro drilling help needed

    My research and information from drill bit and autofeeding drill vendors are yielding conflicting information regarding necessary drill speed (RPM) and feed rate for my application. I need to determine the time required to drill through .090 inch thick my material (2205 Duplex) using a .028 inch...

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