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  1. Papasaurus

    Aerospace Material Specification Notes

    Correct, not airframe structural, but secured to the structure. Therefore must prove under the same loads. Bowling-ball-in-the-back-seat like. Which, again, compels me to keep specs in the material callout for verification. If it's not required by standard, then usually it would be a contract...
  2. Papasaurus

    Aerospace Material Specification Notes

    I just don't like using them at all, unless they have a socket head, and even then only at #10 and up. But "That's the way we've always done it". These are, in fact, electronic enclosures, non-structural, food and beverage appliances. Ed Lee CAD Admin / Sr. Mechanical Designer...
  3. Papasaurus

    Aerospace Material Specification Notes

    Oh, we have no fasteners showing from the front already. Typically, the enclosure is surrounded by cabinetry or another product, or both, so in this case we have fastening hardware (FHMS) on the sides and top. I came in too late to suggest a rear-panel locking solution (tab and tuck). We do, in...
  4. Papasaurus

    Aerospace Material Specification Notes

    Yeah, I've been having other issues with this fabricator's capabilities. But this is who I'm stuck with. I think I've just been spoiled in the past. Ed Lee CAD Admin / Sr. Mechanical Designer https://www.linkedin.com/in/edwinlleejr/
  5. Papasaurus

    Aerospace Material Specification Notes

    Well, we're certainly a hybrid of consumer electronics and aerospace. In fact, high-end consumer electronics mounted into high-end (private) aircraft. In my opinion, the certifiable quality of the materials we use should be absolutely accountable. All the way back to our fabricators. But thus...
  6. Papasaurus

    Aerospace Material Specification Notes

    Thanks drawoh, it's going to be no small feat relinquishing that level of liability to the fabricator for the sake of cost. Oh well, I'll get used to it. I've been specifying AL ALY for over twenty years, redundant or not. It shows as such everywhere from NASA to Raytheon to the titles of the...
  7. Papasaurus

    Aerospace Material Specification Notes

    Hi All, It sure has been awhile... Okay, in the past, I've become blindly accustomed to stating material specifications in my material callouts on my drawings, ex. MATERIAL: AL ALY 6061-T651 PLATE IAW AMS-QQ-A-250/11. That was all in defense and aerospace, and as far as I can remember the...

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