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Thread: OT: Looking for Small Linier Actuators, for stamp project

  1. #1

    Default OT: Looking for Small Linier Actuators, for stamp project

    I am looking for 3 to 6 inch throw Linier actuators. I used to buy them from a
    company called ORA but the havn't sold them in years. These are not high
    precision are more plastic than metal. Run off 6 or 12 VDC. is early 90s cost
    about $12.00 each

    Any help would be great.

    Tom


    ---------------------------------
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    [Non-text portions of this message have been removed]
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  2. #2

    Default

    Tom,

    I need something similar. Please let me know if you turn something up.

    Jonathan

    www.madlabs.info

    ----- Original Message -----
    From: "Thomas Grenga" <tip32a@y...>
    To: <basicstamps@yahoogroups.com>
    Sent: Sunday, February 15, 2004 8:48 PM
    Subject: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    project


    > I am looking for 3 to 6 inch throw Linier actuators. I used to buy them
    from a company called ORA but the havn't sold them in years. These are not
    high precision are more plastic than metal. Run off 6 or 12 VDC. is early
    90s cost about $12.00 each
    >
    > Any help would be great.
    >
    > Tom
    >
    >
    > ---------------------------------
    > Do you Yahoo!?
    > New Yahoo! Photos - easier uploading and sharing
    >
    > [Non-text portions of this message have been removed]
    >
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the Subject and
    Body of the message will be ignored.
    >
    > Yahoo! Groups Links
    >
    >
    >
    >
    >
    >
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  3. #3

    Default

    CD player's laser head positioner?????


    At 6:49 AM -0800 2/16/04, Jonathan Peakall wrote:
    >Tom,
    >
    >I need something similar. Please let me know if you turn something up.
    >
    >Jonathan
    >
    >www.madlabs.info
    >
    >----- Original Message -----
    >From: "Thomas Grenga" <tip32a@y...>
    >To: <basicstamps@yahoogroups.com>
    >Sent: Sunday, February 15, 2004 8:48 PM
    >Subject: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    >project
    >
    >
    >> I am looking for 3 to 6 inch throw Linier actuators. I used to buy them
    >from a company called ORA but the havn't sold them in years. These are not
    >high precision are more plastic than metal. Run off 6 or 12 VDC. is early
    >90s cost about $12.00 each
    >>
    >> Any help would be great.
    >>
    >> Tom
    >>
    >>
    >> ---------------------------------
    >> Do you Yahoo!?
    >> New Yahoo! Photos - easier uploading and sharing
    >>
    >> [Non-text portions of this message have been removed]
    >>
    >>
    >>
    >> To UNSUBSCRIBE, just send mail to:
    >> basicstamps-unsubscribe@yahoogroups.com
    >> from the same email address that you subscribed. Text in the Subject and
    >Body of the message will be ignored.
    >>
    >> Yahoo! Groups Links
    >>
    >>
    >>
    >>
    >>
    >>
    >
    >
    >
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    >
    >
    >


    --
    Chuck Britton Education is what is left when
    britton@n... you have forgotten everything
    North Carolina School of Science & Math you learned in school.
    (919) 416-2762 Albert Einstein, 1936
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  4. #4

    Default

    No and if my ruler serves me correctly the throw on a Cd player is about
    1.5" inches. This unit looks like the arm to move a satellite dish. but is
    much smaller.

    Thanks for the try...

    ----- Original Message -----
    From: "Chuck Britton" <britton@a...>
    To: "Jonathan Peakall" <jpeakall@p...>; <basicstamps@yahoogroups.com>
    Sent: Monday, February 16, 2004 11:19 AM
    Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    project


    > CD player's laser head positioner?????
    >
    >
    > At 6:49 AM -0800 2/16/04, Jonathan Peakall wrote:
    > >Tom,
    > >
    > >I need something similar. Please let me know if you turn something up.
    > >
    > >Jonathan
    > >
    > >www.madlabs.info
    > >
    > >----- Original Message -----
    > >From: "Thomas Grenga" <tip32a@y...>
    > >To: <basicstamps@yahoogroups.com>
    > >Sent: Sunday, February 15, 2004 8:48 PM
    > >Subject: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    > >project
    > >
    > >
    > >> I am looking for 3 to 6 inch throw Linier actuators. I used to buy
    them
    > >from a company called ORA but the havn't sold them in years. These are
    not
    > >high precision are more plastic than metal. Run off 6 or 12 VDC. is
    early
    > >90s cost about $12.00 each
    > >>
    > >> Any help would be great.
    > >>
    > >> Tom
    > >>
    > >>
    > >> ---------------------------------
    > >> Do you Yahoo!?
    > >> New Yahoo! Photos - easier uploading and sharing
    > >>
    > >> [Non-text portions of this message have been removed]
    > >>
    > >>
    > >>
    > >> To UNSUBSCRIBE, just send mail to:
    > >> basicstamps-unsubscribe@yahoogroups.com
    > >> from the same email address that you subscribed. Text in the Subject
    and
    > >Body of the message will be ignored.
    > >>
    > >> Yahoo! Groups Links
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >
    > >
    > >
    > >To UNSUBSCRIBE, just send mail to:
    > > basicstamps-unsubscribe@yahoogroups.com
    > >from the same email address that you subscribed. Text in the
    > >Subject and Body of the message will be ignored.
    > >
    > >Yahoo! Groups Links
    > >
    > >
    > >
    > >
    >
    >
    > --
    > Chuck Britton Education is what is left when
    > britton@n... you have forgotten everything
    > North Carolina School of Science & Math you learned in school.
    > (919) 416-2762 Albert Einstein, 1936
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the Subject and
    Body of the message will be ignored.
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    > Yahoo! Groups Links
    >
    >
    >
    >
    >
    >
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  5. #5

    Default

    you can make a linear actuator very easily by using a piece of 'all thread',
    a matching nut, and a dc motor. Attach the all thread to the motor shaft,
    attach what you want to move to the nut, and rotate the motor one way to
    move out and the other to move back.
    jim
    http://www.geocities.com/jimforkin2003/


    -----Original Message-----
    From: Tom G [mailto:basicstampgroup@a...]
    Sent: Monday, February 16, 2004 11:43 AM
    To: basicstamps@yahoogroups.com
    Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp project


    No and if my ruler serves me correctly the throw on a Cd player is about
    1.5" inches. This unit looks like the arm to move a satellite dish. but is
    much smaller.

    Thanks for the try...

    ----- Original Message -----
    From: "Chuck Britton" <britton@a...>
    To: "Jonathan Peakall" <jpeakall@p...>; <basicstamps@yahoogroups.com>
    Sent: Monday, February 16, 2004 11:19 AM
    Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    project


    > CD player's laser head positioner?????
    >
    >
    > At 6:49 AM -0800 2/16/04, Jonathan Peakall wrote:
    > >Tom,
    > >
    > >I need something similar. Please let me know if you turn something up.
    > >
    > >Jonathan
    > >
    > >www.madlabs.info
    > >
    > >----- Original Message -----
    > >From: "Thomas Grenga" <tip32a@y...>
    > >To: <basicstamps@yahoogroups.com>
    > >Sent: Sunday, February 15, 2004 8:48 PM
    > >Subject: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    > >project
    > >
    > >
    > >> I am looking for 3 to 6 inch throw Linier actuators. I used to buy
    them
    > >from a company called ORA but the havn't sold them in years. These are
    not
    > >high precision are more plastic than metal. Run off 6 or 12 VDC. is
    early
    > >90s cost about $12.00 each
    > >>
    > >> Any help would be great.
    > >>
    > >> Tom
    > >>
    > >>
    > >> ---------------------------------
    > >> Do you Yahoo!?
    > >> New Yahoo! Photos - easier uploading and sharing
    > >>
    > >> [Non-text portions of this message have been removed]
    > >>
    > >>
    > >>
    > >> To UNSUBSCRIBE, just send mail to:
    > >> basicstamps-unsubscribe@yahoogroups.com
    > >> from the same email address that you subscribed. Text in the Subject
    and
    > >Body of the message will be ignored.
    > >>
    > >> Yahoo! Groups Links
    > >>
    > >>
    > >>
    > >>
    > >>
    > >>
    > >
    > >
    > >
    > >To UNSUBSCRIBE, just send mail to:
    > > basicstamps-unsubscribe@yahoogroups.com
    > >from the same email address that you subscribed. Text in the
    > >Subject and Body of the message will be ignored.
    > >
    > >Yahoo! Groups Links
    > >
    > >
    > >
    > >
    >
    >
    > --
    > Chuck Britton Education is what is left when
    > britton@n... you have forgotten everything
    > North Carolina School of Science & Math you learned in school.
    > (919) 416-2762 Albert Einstein, 1936
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the Subject and
    Body of the message will be ignored.
    >
    > Yahoo! Groups Links
    >
    >
    >
    >
    >
    >




    To UNSUBSCRIBE, just send mail to:
    basicstamps-unsubscribe@yahoogroups.com
    from the same email address that you subscribed. Text in the Subject and
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    Yahoo! Groups Links
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  6. #6

    Default

    Jim you make it sound so simple but you leave a bunch out.
    First how do you determin the position. The unit I am speaking of has a
    gearset to control the position of a potentiometer.
    Speaking of gears. Typical units are gear reduced to increase torque..


    ----- Original Message -----
    From: "Jim Forkin" <jjf@p...>
    To: <basicstamps@yahoogroups.com>
    Sent: Monday, February 16, 2004 1:03 PM
    Subject: RE: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    project


    > you can make a linear actuator very easily by using a piece of 'all
    thread',
    > a matching nut, and a dc motor. Attach the all thread to the motor shaft,
    > attach what you want to move to the nut, and rotate the motor one way to
    > move out and the other to move back.
    > jim
    > http://www.geocities.com/jimforkin2003/
    >
    >
    > -----Original Message-----
    > From: Tom G [mailto:basicstampgroup@a...]
    > Sent: Monday, February 16, 2004 11:43 AM
    > To: basicstamps@yahoogroups.com
    > Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    > stamp project
    >
    >
    > No and if my ruler serves me correctly the throw on a Cd player is about
    > 1.5" inches. This unit looks like the arm to move a satellite dish. but
    is
    > much smaller.
    >
    > Thanks for the try...
    >
    > ----- Original Message -----
    > From: "Chuck Britton" <britton@a...>
    > To: "Jonathan Peakall" <jpeakall@p...>;
    <basicstamps@yahoogroups.com>
    > Sent: Monday, February 16, 2004 11:19 AM
    > Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp
    > project
    >
    >
    > > CD player's laser head positioner?????
    > >
    > >
    > > At 6:49 AM -0800 2/16/04, Jonathan Peakall wrote:
    > > >Tom,
    > > >
    > > >I need something similar. Please let me know if you turn something up.
    > > >
    > > >Jonathan
    > > >
    > > >www.madlabs.info
    > > >
    > > >----- Original Message -----
    > > >From: "Thomas Grenga" <tip32a@y...>
    > > >To: <basicstamps@yahoogroups.com>
    > > >Sent: Sunday, February 15, 2004 8:48 PM
    > > >Subject: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp
    > > >project
    > > >
    > > >
    > > >> I am looking for 3 to 6 inch throw Linier actuators. I used to buy
    > them
    > > >from a company called ORA but the havn't sold them in years. These are
    > not
    > > >high precision are more plastic than metal. Run off 6 or 12 VDC. is
    > early
    > > >90s cost about $12.00 each
    > > >>
    > > >> Any help would be great.
    > > >>
    > > >> Tom
    > > >>
    > > >>
    > > >> ---------------------------------
    > > >> Do you Yahoo!?
    > > >> New Yahoo! Photos - easier uploading and sharing
    > > >>
    > > >> [Non-text portions of this message have been removed]
    > > >>
    > > >>
    > > >>
    > > >> To UNSUBSCRIBE, just send mail to:
    > > >> basicstamps-unsubscribe@yahoogroups.com
    > > >> from the same email address that you subscribed. Text in the
    Subject
    > and
    > > >Body of the message will be ignored.
    > > >>
    > > >> Yahoo! Groups Links
    > > >>
    > > >>
    > > >>
    > > >>
    > > >>
    > > >>
    > > >
    > > >
    > > >
    > > >To UNSUBSCRIBE, just send mail to:
    > > > basicstamps-unsubscribe@yahoogroups.com
    > > >from the same email address that you subscribed. Text in the
    > > >Subject and Body of the message will be ignored.
    > > >
    > > >Yahoo! Groups Links
    > > >
    > > >
    > > >
    > > >
    > >
    > >
    > > --
    > > Chuck Britton Education is what is left when
    > > britton@n... you have forgotten everything
    > > North Carolina School of Science & Math you learned in school.
    > > (919) 416-2762 Albert Einstein, 1936
    > >
    > >
    > > To UNSUBSCRIBE, just send mail to:
    > > basicstamps-unsubscribe@yahoogroups.com
    > > from the same email address that you subscribed. Text in the Subject
    and
    > Body of the message will be ignored.
    > >
    > > Yahoo! Groups Links
    > >
    > >
    > >
    > >
    > >
    > >
    >
    >
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the Subject and
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    > Yahoo! Groups Links
    >
    >
    >
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    >
    >
    >
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    >
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    >
    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

  7. #7

    Default

    Tom, Of course this type of actuator can not give you fine positioning but
    instead lends itself to linear movement to fixed positions. Just put a
    flag on the mechanism that interrupts an optical sensor(s) and you will know
    when you are at that position(s). Small dc gearmotors are available for
    good prices from James Electronics http://www.jameco.com or DigiKey
    http://www.digikey.com . There is an inherent gear reduction in the screw
    mechanism itself as well. If you want finer positioning, you can couple the
    motor shaft to an encoder and read out position or to a slide potentiometer
    (such as used on audio mixer boards). For some low cost linear
    positioners, raid the local junk yard. Most cars with adjustable seats have
    a couple and you may be able to get them for a couple of dollars each. Most
    of these don't have any position feedback but you could add that in the
    above detailed ways. Many have limit switches attached or built in. Also,
    consider using a toothed belt and pulleys or sprocket and chain driven by a
    dc gearmotor. The straight stretch of belt or chain moves in a linear
    manner (each side in opposite directions simultaneously) and something
    attached to it will also, and the teeth or links can be counted to determine
    position. I design custom industrial controls and electro mechanical
    devices so always consider different approaches to these kinds of things.
    I'm from the old school of hotrodding so I was around when you had to design
    and build everything, not buy it off a shelf somewhere, so I tend to 'think
    out of the box'.

    have fun,
    jim
    http://www.geocities.com/jimforkin2003/


    -----Original Message-----
    From: Tom G [mailto:basicstampgroup@a...]
    Sent: Tuesday, February 17, 2004 8:21 PM
    To: basicstamps@yahoogroups.com
    Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp project


    Jim you make it sound so simple but you leave a bunch out.
    First how do you determin the position. The unit I am speaking of has a
    gearset to control the position of a potentiometer.
    Speaking of gears. Typical units are gear reduced to increase torque..


    ----- Original Message -----
    From: "Jim Forkin" <jjf@p...>
    To: <basicstamps@yahoogroups.com>
    Sent: Monday, February 16, 2004 1:03 PM
    Subject: RE: [basicstamps] OT: Looking for Small Linier Actuators, for stamp
    project


    > you can make a linear actuator very easily by using a piece of 'all
    thread',
    > a matching nut, and a dc motor. Attach the all thread to the motor shaft,
    > attach what you want to move to the nut, and rotate the motor one way to
    > move out and the other to move back.
    > jim
    > http://www.geocities.com/jimforkin2003/
    >
    >
    > -----Original Message-----
    > From: Tom G [mailto:basicstampgroup@a...]
    > Sent: Monday, February 16, 2004 11:43 AM
    > To: basicstamps@yahoogroups.com
    > Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    > stamp project
    >
    >
    > No and if my ruler serves me correctly the throw on a Cd player is about
    > 1.5" inches. This unit looks like the arm to move a satellite dish. but
    is
    > much smaller.
    >
    > Thanks for the try...
    >
    > ----- Original Message -----
    > From: "Chuck Britton" <britton@a...>
    > To: "Jonathan Peakall" <jpeakall@p...>;
    <basicstamps@yahoogroups.com>
    > Sent: Monday, February 16, 2004 11:19 AM
    > Subject: Re: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp
    > project
    >
    >
    > > CD player's laser head positioner?????
    > >
    > >
    > > At 6:49 AM -0800 2/16/04, Jonathan Peakall wrote:
    > > >Tom,
    > > >
    > > >I need something similar. Please let me know if you turn something up.
    > > >
    > > >Jonathan
    > > >
    > > >www.madlabs.info
    > > >
    > > >----- Original Message -----
    > > >From: "Thomas Grenga" <tip32a@y...>
    > > >To: <basicstamps@yahoogroups.com>
    > > >Sent: Sunday, February 15, 2004 8:48 PM
    > > >Subject: [basicstamps] OT: Looking for Small Linier Actuators, for
    stamp
    > > >project
    > > >
    > > >
    > > >> I am looking for 3 to 6 inch throw Linier actuators. I used to buy
    > them
    > > >from a company called ORA but the havn't sold them in years. These are
    > not
    > > >high precision are more plastic than metal. Run off 6 or 12 VDC. is
    > early
    > > >90s cost about $12.00 each
    > > >>
    > > >> Any help would be great.
    > > >>
    > > >> Tom
    > > >>
    > > >>
    > > >> ---------------------------------
    > > >> Do you Yahoo!?
    > > >> New Yahoo! Photos - easier uploading and sharing
    > > >>
    > > >> [Non-text portions of this message have been removed]
    > > >>
    > > >>
    > > >>
    > > >> To UNSUBSCRIBE, just send mail to:
    > > >> basicstamps-unsubscribe@yahoogroups.com
    > > >> from the same email address that you subscribed. Text in the
    Subject
    > and
    > > >Body of the message will be ignored.
    > > >>
    > > >> Yahoo! Groups Links
    > > >>
    > > >>
    > > >>
    > > >>
    > > >>
    > > >>
    > > >
    > > >
    > > >
    > > >To UNSUBSCRIBE, just send mail to:
    > > > basicstamps-unsubscribe@yahoogroups.com
    > > >from the same email address that you subscribed. Text in the
    > > >Subject and Body of the message will be ignored.
    > > >
    > > >Yahoo! Groups Links
    > > >
    > > >
    > > >
    > > >
    > >
    > >
    > > --
    > > Chuck Britton Education is what is left when
    > > britton@n... you have forgotten everything
    > > North Carolina School of Science & Math you learned in school.
    > > (919) 416-2762 Albert Einstein, 1936
    > >
    > >
    > > To UNSUBSCRIBE, just send mail to:
    > > basicstamps-unsubscribe@yahoogroups.com
    > > from the same email address that you subscribed. Text in the Subject
    and
    > Body of the message will be ignored.
    > >
    > > Yahoo! Groups Links
    > >
    > >
    > >
    > >
    > >
    > >
    >
    >
    >
    >
    > To UNSUBSCRIBE, just send mail to:
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    > from the same email address that you subscribed. Text in the Subject and
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    Last edited by ForumTools; 09-30-2010 at 06:27 AM. Reason: Forum Migration

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