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  1. MarkUMSU

    Flex an Assembly in SW2009

    I have some nested tubes in an assembly. (Picture a coaxial cable.) I'm looking for a way to use the Flex feature efficiently so they will bend as a group. Is there a better way than defining a Flex feature in each of the components? What would you recommend? Thanks!
  2. MarkUMSU

    rotary to linear converter

    Can you use a piezo actuator?
  3. MarkUMSU

    Accelerometer mounting methods

    Sorry I don't know a reference off hand, but the deviations depend largely on frequency. Studs and cyanoacrelates are probably your best bet depending on the environment. Higher frequencies are lost in a poor mounting. If you use an adhesive, be sure to have a thin film.
  4. MarkUMSU

    Minimize bubbles and voids in encapsulation process

    Dow Corning is a starting place... http://www.dowcorning.com/content/etronics/etronicsencap/etronics_encap_tutorial9.asp?DCWS=Electronics&DCWSS=Encapsulants
  5. MarkUMSU

    Mechanical rates and contracts

    I have 2 questions. I've recently incorporated a company to do some product design and development consulting work and am on the verge of starting a small project with my first client. I'm wondering a bit about liability since hearing about people suing McDonalds over spilled coffee. Is it...
  6. MarkUMSU

    Soldiworks on a Macbook

    Great! Thanks!
  7. MarkUMSU

    Soldiworks on a Macbook

    Thanks, but I understood that this discussion is centered on Macbook PRO with more emphasis on high-end performance with complex parts and assemblies. I have a measly macbook (not pro) and was wondering if anyone had any success (or failures) trying SW on a less powerful machine...
  8. MarkUMSU

    Silver plated Nitinol

    I'm looking for someone experienced in plating nitinol wire. I'm looking for 6' pieces and long lengths of wire 500+ feet. Any suggestions? Thanks Mark
  9. MarkUMSU

    Soldiworks on a Macbook

    Has anyone tried running solidworks on a macbook?
  10. MarkUMSU

    ProE on a Macbook

    Has anyone tried running ProE on a macbook?
  11. MarkUMSU

    elastic strain limits

    Thanks for your suggestions thus far, but this should not be so complicated.... Here's some specifics. The wire will have a diameter between 0.4mm and 0.5mm and is bent around a radius of about 8mm less than 100 times. It must spring back on its original shape after being deformed. It must...
  12. MarkUMSU

    elastic strain limits

    ...it recoil back to being straight once the force is removed. Of course there are many factors to consider, but it would be helpful to know what *metals* could be feasible for this. The Machinist's handbook lists some steel, copper, and nickel based alloys that are used in springs, but it...
  13. MarkUMSU

    elastic strain limits

    I'm comparing different metals that could be used to make a particular spring/flexure. In this case the amount of strain possible without plastic deformation is an important parameter. Does anyone know of a material that could be comparable to NiTi (Which I believe can undergo about 8% strain...
  14. MarkUMSU

    viscous pore/orifice flow

    I'm looking for a guideline for approximating flow velocity through a pore or orifice for a given pressure and viscosity. eg My pressure differential is 13 kPa The pore/orifice size is 0.5mm Will a fluid with a viscosity of 1000cP be able to flow through this hole? What would be its...
  15. MarkUMSU

    Training your replacement

    --interesting insights. As a new business owner I would like my first clients to provide good references for those that will come after them. I think that offering training within the context and topics of the deliverables my assignment here is reasonable and I will not withhold any...
  16. MarkUMSU

    Training your replacement

    This is interesting! I am in Europe. But this would be for a consulting contract that is ending and probably not going to be renewed. -So I guess "laid off" may not be the correct terminology.
  17. MarkUMSU

    Training your replacement

    What would you do if you suspected you were going to be laid off at the end of the month and were being asked to begin training your successor?
  18. MarkUMSU

    Phsycal Wire Selection

    Thanks guys
  19. MarkUMSU

    Phsycal Wire Selection

    I'm looking for a thorough wire design/selection reference from a mechanical point of view. More specifically, I would like to select the best type of electric wire (~AWG 24) to survive bending fatigue over a temperature range from about 0-100C. Recommendations vendors?
  20. MarkUMSU

    Becoming better at tolerancing

    Thanks Guys

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