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Recent content by anderslr

  1. anderslr

    Composite Material

    We have a structure that is made of a composite material. E-Glass fiber vinyl Ester Composite. Has anyone ever milled and drilled this material? I assume that some kind of special coating on the tools will be required. Any help is appreciated. Thanks in advance. Larry
  2. anderslr

    HSK tool holders

    We are purchasing a large gantry type machining center. The subject of HSK holders has risen. This machine will have a spindle with 85 hp and up to 5000 RPM's. The manufacturer of the machine is recommending a HSK63 spindle. I was looking at HSK 80 sizes and I'm not finding very many...
  3. anderslr

    Metal Removal Rates

    I am looking for a metal removal rate chart. Basically, how much material can be removed per hour, when cutting 6061 T6 aluminum. We need to hog-out large panels that will require cutting pockets, remaining wall thickness of .125 using 1." diameter emills. I thought I seen a chart that showed...
  4. anderslr

    cutting taps

    I'm looking for a industry standard for cutting tap depth. I want to finish the tapping on a CNC machining center with no hand tapping. I have heard 1.5 x diameter would be reasonable. Thanks in Advance
  5. anderslr

    "Normal" CNC mill and CNC lathe tolerances in aluminum

    Is there a standard depth the taps are designed to cut? I keep hearing 1.5 x diameter. I want complete the tapping on a CNC machining center. Hand tapping in not a option. Thanks in Advance

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