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Thread: 6" linear movement

  1. #1
    MySQL Error scott_fx's Avatar
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    6" linear movement

    Hey guys and gals,
    need some help here. I need to automate a (light weight) panel to move about 6" back and forth. I'm guessing my best choice would be to get a linear actuator, but at $100 it's kind of a steep investment. What other options do i have for reliable repeatable automations?

    I was thinking lead screws but by the time i get everything i need it's going to be close to the linear actuator's cost but not be as sturdy.

    then i thought about getting smooth gliding track and a motor/wheel assembly with electronic switches at the beginning and end of travel.

    any ideas? thoughts? suggestions?

    thanks

    scott
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  2. #2
    Raw Wave kickercivic1's Avatar
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    car power antenna.

  3. #3
    MySQL Error scott_fx's Avatar
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    you know what, i suggest that to someone a while ago. not sure how to wire it up though. it's worth looking into. thanks.
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  4. #4
    Maximum Bitrate psyrex's Avatar
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    how much room do you have to play with?
    Gen 1: Pentium 3 1GHz - ATX - 2005
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  5. #5
    MySQL Error scott_fx's Avatar
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    probably 12 inches or so
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  6. #6
    Raw Wave kickercivic1's Avatar
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    WIring is really easy.. I messed around with one, like a year ago. I bought it a discount auto for $19.99

  7. #7
    Constant Bitrate mbuchman's Avatar
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    Hah, I saw them use a power antenna as an actuator on Pimp My Ride once. Another possible option would be to basically steal the design of a garage door opener, except scale it down.

    -Matt

  8. #8
    FLAC
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    mbuchman, that's what he meant by lead screws

    Power antennas are easy. Power, Ground and switched power. Get some NICE roller-bearing drawer slides and mount the panel to that. Then have a power antenna or two push/pull it.

  9. #9
    FLAC evandude's Avatar
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    How fast do you need it to go? I have a friend that built a homemade CNC machine using plain old threaded rod for lead screws... as long as the panel is mounted on nice smooth rails/rods, even a crappy lead screw isn't that bad; mount it in a non-rigid manner so that the sloppier tolerances don't make it bind up (flexible coupling to the motor, etc). Just doesn't move very fast, because of the thread pitch.
    But don't take it from me! here's a quote from a real, live newbie:
    Quote Originally Posted by Viscouse
    I am learning buttloads just by searching on this forum. I've learned 2 big things so far: 1-it's been done before, and 2-if it hasn't, there is a way to do it.
    eegeek.net

  10. #10
    MySQL Error scott_fx's Avatar
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    pretty fast i guess. probably about 5 seconds or so
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

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