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  • Users: Machina
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  1. Machina

    Seeking a reference or guide for engineering with ceramic materials

    Hi, Can anyone recommend a book or other reference that would serve as a guide for using engineering ceramics in mechanical engineering? When I search for ceramic engineering books I seem to find books about how to make them rather than how to use them. I've often found myself working on...
  2. Machina

    Understanding SAE J1723 supercharger testing - transitions?

    Hi all, Where I'm currently working is refitting their supercharger facility and want to apply SAE J1723. Sounds like a simple request to apply the right standard but we're having some discussions about interpreting it. In particular the definition of the transitions. The standard defines the...
  3. Machina

    Measuring fit of a taper using blue

    Hello all, I'm working on a job where I am assembling a hub to a shaft. This is an interference fit onto a taper (will be using hydraulics) but I have to check that there's sufficient contact area between the items before I drive it on (the spec. calls for 85%). So I'm trying to measure this...
  4. Machina

    Oil Blacking / Oil Blackening

    I've tried searching for this but "oil" and "black" are common terms with nothing coming up for what I'm after. if there's an existing thread, or I'm in the wrong forum, please let me know. In the office I'm working in there has been a lot of discussion on what can be done to prevent corrosion...
  5. Machina

    Bearing locknut (lock nut) axial access only

    Hello all, I'm wondering if someone can help me with a problem. If I'm posting in the wrong forum please let me know and I'll report or move as required. I'm designing a machine (one off) which requires a bearing to be held securely in place on a shaft. The bearing is at the bottom of a hollow...
  6. Machina

    Lobe profile

    I am trying to design a small lobe pump however I've got stuck on the lobe profile. Having looked through the previous threads I see that "Pump Handbook" is recommended for such things however I can't get hold of one in time to be of help to me (being quoted 2-4 weeks delivery), so...

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