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  1. mechwitch

    Mathcad 12 + Windows 7

    Hi there JC33. Couldn't get it working at all..... Dealing with it the old-fashioned way: I now kick someone off another PC to use it...!! MW
  2. mechwitch

    Mathcad 12 + Windows 7

    Thanks everyone, Unfortunately I have to make do with what we've got at the moment but I'm push for the latest version... MW
  3. mechwitch

    Mathcad 12 + Windows 7

    Dear All, I've just started in a new company and they've given me a nice new 64 Bit PC with Windows 7, and asked me to install Mathcad 12...(?!) Installation said it went OK but it doesn't open let alone work. Any ideas?? Think I'm asking the impossible.... MW
  4. mechwitch

    Mass Participation factors

    Dear all, I am reletivly new to vibrational analysis and am trying to work through some of the basics. I have been doing some basic modal analysis so far successfully and am now about to embark on dynamic random analysis. I have been told by my collegues to look out for mass participation...
  5. mechwitch

    Surface Finish for Stycast Adherence

    Dear all, I have an Aluminium plate that requires Stycast Potting to fully adhere to it. Does anyone know what sort of surface finish is required to maintain good adhesion? Thanks
  6. mechwitch

    Proof stress on commercial steel machine screws

    I'd say you were in the right ball park with those figures but i'd watch out in using exactly the same materials for screw and nut - I've been having a lot of trouble with them galling and stripping threads. Have you had any of these problems too??
  7. mechwitch

    Proof stress on commercial steel machine screws

    dear chassisdeeziner, I've been having much the same problem recently. I also find even if you're given information from the supplier, in practice torques can be way off the mark. I'm in a similar industry to yourself and appreciate that this information is critical. The way I now get around...
  8. mechwitch

    Torque settings for self-tap screws

    Hi all, Can anyone tell me where I can get a torque setting for an M4 self-tap stainless steel screw going into an aluminium base. Thanks.
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