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Thread: 6" linear movement

  1. #11
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    I've done a few motorization jobs with those aftermarket power window lift kits.... the kind that are cable operated & mount the motor remotely.... they can do some awsome things... may be a bit overkill for your app though...

    I like to use either those, or salvaged sunroof motors that also work with cables.... even a smaller motor with cable operation could do... cables are nice because you can move the motor away to where you have space for it, & by being overkill insures a lifetime of trouble free usage...

  2. #12
    FLAC
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    I forgot to mention that you can use a windshield wiper motor with threaded rod from Home Depot.

  3. #13
    MySQL Error scott_fx's Avatar
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    these are great ideas guys. i'm looking into them all. if the price gets within $30 of the linear actuator though I'll probably just get one of them due to the ease of installation and reliability.
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  4. #14
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    one car i did, I had a screen pop up out of the dash.... I used the motor from a me/be folding mirror assy... the motor is made by bosch....

    I like to recycle car components because you know they are made for a very high cycle life....

  5. #15
    MySQL Error scott_fx's Avatar
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    i was over at www.motioncontrol.com and got the idea of using a flatbed scanner assembly. it has the rails and everything. just anohter idea
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  6. #16
    Constant Bitrate damarble's Avatar
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    Here's a simple idea. Have a line hooked to one end of your panel, the other hooked to a spool on a small motor. When the motor spins it winds up the line and pulls open/close the panel. A spring or another motor/line will be on the oher end of the panel for return. A pulley system can be used to save space if there isnt enough room to either side of the panel.

    Excuse my quick and dirty paint drawing, but I think it gets the point across.

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  7. #17
    MySQL Error scott_fx's Avatar
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    thats another good idea too.
    New System in progress:
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    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

  8. #18
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    the difference between that & the cable operated I said is that the motor would reverse & "push/pull" it either way...

    if you do one direction with a spring you'll need a way to hold it open.... when the power goes away from the motor the spring will pull it closed... you could use a locking latch & have it release to close it... then the spring might snap it to fast... you'll have to dampen it too...

  9. #19
    MySQL Error scott_fx's Avatar
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    i picked up a usb scanner off ebay and i'm going to use the internal mechanism to slide the panel back and forth. I figure the power requirements will be optimal (5v since the scanner is usb powered) and the track, motor and belt are already fabricated for me. I'll know better when i get the thing taken apart.
    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

  10. #20
    FLAC evandude's Avatar
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    I think the scanner is probably a decent plan. having the rails and slides already makes life easy. The belt mechanism in a scanner is probably one of the best solutions, very efficient and fast in both directions. The main down side i would think would be that the belt and rails would have to run the length of the travel area (thus might be showing when the panel opens, depending on how you mount everything), whereas with rails and a lead screw you could potentially have the whole mechanism hidden behind the panel and in the compartment it slides into... but obviously it all depends on the application.
    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.
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