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  1. Faustie

    Possible to have non-circular radial seal for o-rings?

    That makes sense, cheers - I'll trial the installation a few times and see if it is reliable. Presumably I could also manufacture the groove using dovetails for a really secure fit, or consider other types of seals like D-ring or X-ring though I'm not too familiar with these, and unsure if they...
  2. Faustie

    Possible to have non-circular radial seal for o-rings?

    Yeah, I looked at face seals initially but the radial seal fits our volume constraints slightly better as no flange is required, so would be preferable if it can be reliable. It's a relatively static application. To answer your questions: - The room between lid and box is TBD but I'll size it...
  3. Faustie

    Possible to have non-circular radial seal for o-rings?

    Hi everyone, Is it possible to have a non-circular radial piston-type seal using o-rings? The Parker guide specifies minimum corner radii if I want to use a non-circular axial seal, but I don't see similar information for radial piston-type seals. If I were to take the minimum corner radii and...
  4. Faustie

    Secure, quick-release latching device for high vibration and shock environment.

    Thanks for all the feedback! Lots of useful advice here. Certainly looks like I was on the wrong path with the positive-lock and cam lock pins. The rotary latches look promising, especially as some have vibration damping included. To answer the other questions above: - Size: Roughly 30 x 10 x...
  5. Faustie

    Secure, quick-release latching device for high vibration and shock environment.

    Hello, I'm currently thinking of a solution to a problem which requires mounting a small avionics box to an interfacing plate. I must be able to rapidly mount the box with minimal effort (e.g., drop into place) which should securely latch, be able to rapidly dismount with low effort but never...
  6. Faustie

    ASME BPVC.VIII.2010.1 Appendix 13 Sketch 6 calculation issue

    Hello. I'm trying to make a spreadsheet & Python script to calculate stresses for a type 6 rectangular pressure vessel, as defined in 13-8(h) on pages 471-472. An example is given in 13-17(j) which I'm working through, on page 490. In case of any errors I've also checked the 2023 edition, and...
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