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  1. maytime87

    Machining Aermet 100

    Excellent! Looks like they (Seco) are suggesting .002 to .003 ipt for what we're doing (profiling), and the OEM of the material (Carpenter) is suggesting 280 to 350 SFM. So at least we have a place to start.
  2. maytime87

    Machining Aermet 100

    We've asked all of our tooling vendors, and even Sandvik had little knowledge on the material. I guess we will start with what we know and go from there. Thanks!
  3. maytime87

    Machining Aermet 100

    We are going to be cutting Aermet 100 for the first time, and could use some guidance. For these parts, the minimum fillet doesn't go below R.125 at about a 1.00 LoC, so we can get away with a 1/4" endmill for the whole length. From what I've gathered on eng-tips, some folks are doing 300SFM at...
  4. maytime87

    Cracked 4340 after quench

    Thank you all for the advice. Trust me, I would love to have our oil quenching back. We moved facilities and for some reason they told us we cannot oil quench anymore as is (our tool room did it for decades with no issues). Something about proper ventilation. tbuelna: Cost was not the issue...
  5. maytime87

    Cracked 4340 after quench

    Good evening ladies and gentlemen, First post for me; I've have been a lurker for many years and have learned a great deal from you folks. Background: I am a relatively new manufacturing engineer working for an aerospace Tier 1 supplier. Our tool room is making a new set of fixtures that I...

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