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Suggestions for electromechanical project?

Discussion in 'Electronic Design' started by jmc, Sep 22, 2003.

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  1. jmc

    jmc Guest

    I've just joined an evening course to sharpen my mechanical engineering
    skill on the lathe, miller, drill etc. Anyone got some ideas as to what sort
    of proJect I could go for, preferably with drawing already available?
    I was thinking of an inertial gyroscope, synchronous/induction/stepper
    motor, transistor grader etc.
  2. I've always wanted to make a transistor amplifier. It would be a box
    with a slot on top and a door below. You drop a small transistor in the top and
    sometime later, a larger, amplified, transistor drops out the bottom. It would
    be more impressive with lights and sound effects.

  3. John Larkin

    John Larkin Guest

    Mechanical engineers make drawings. Machinists read them and cut

  4. Terry

    Terry Guest

    jmc threw some tea leaves on the floor
    How about a 3 axis nc pc driller as this is a electronics group ?
  5. I second that sugestion!

  6. Terry

    Terry Guest

    Martin Riddle threw some tea leaves on the floor
    It would be a nice project, and could even have a SMD placement cabability ?
    ^^ pcb :)
  7. I've just joined an evening course to sharpen my mechanical engineering
    How about a jet engine? Or a metal lathe? Just how much time do you have,

    But I really like the idea of making your own really good electric motor.
    Otherwise, almost any kind of robotic actuator is going to be good hunting
    ground for mechanical fabrication challenges.

    - Owen -
  8. Joel Kolstad

    Joel Kolstad Guest

    If by 'really good' you mean 'relatively efficient,' he's going to have a
    hard time building his own electric motor without some pretty sophisticated
    machining abilities too, no?
  9. CH

    CH Guest

    An attachable inkjet printhead so that it could also be used to print a
    PCB pattern directly onto the copper laminate as well?

  10. N. Thornton

    N. Thornton Guest


    I'll suggest a different approach. How bout asking yourself one
    question: if practical issues were no worry, what would I really like
    to do with my life? Give it plenty of time, its one of the most
    important questions you'll ever ask.

    Only when you've identified what you want can you start to say, 'hey,
    how bout doing it like this?'

    Regards, NT
  11. Terry

    Terry Guest

    CH threw some tea leaves on the floor
    A good idea, but would the ink actually stick to the copper surface
    without a lot of pre preparation, and without running ?

    Or would it be full of tiny holes, leading to pinholes in the copper?
  12. CH

    CH Guest

    Yes, questions that also crossed my mind... the only thing close to this
    that I've experienced is ink-jet onto normal overhead transparency (not
    a special inklet variety) which initially *looks* fine but never seems
    to dry entirely - so it smudges even after some days.

    It was JOTTOMH anyway ;-)

  13. If you're thinking of etch resist, the fact the ink is water-soluble
    (on ordinary inkjet printers) may put a bit of a damper on things too.

    Best regards,
    Spehro Pefhany
  14. CH

    CH Guest

    Yes, discussed this with colleagues also...

    That particular property is a pet hate even for normal paper prints -
    especially if you need to use your printed documents (forms etc) out in
    the field >:-(

  15. N. Thornton

    N. Thornton Guest


    IIRC there are waterproof inkjet inks, tho most are watery. There are
    2 different types of head in use, resistive and piezo. Resistive heads
    boil the ink, so use waterbased. Theyre the cheaper popular option.
    Piezo heads squirt the ink by squeezing, so can use non-water based
    inks, within limits. The limit is that the head mustnt clog from fast
    drying ink.

    Regards, NT
  16. ddwyer

    ddwyer Guest

    A vibrating gyo can be made using a vibrating ring or wine glass shape
    use magnetic activation and pickoff.
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