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    Autodesk Inventor

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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    moveable links

    223 Views, 7 Replies
    12-24-2012 05:10 AM

    I have a link.. How do i mate these links together so as the chain is moveable in all directions..

     

    SAm

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    *Expert Elite*
    Posts: 21,724
    Registered: ‎04-20-2006

    Re: moveable links

    12-24-2012 05:49 AM in reply to: sam__gleeson

    How many total links?

     

    Contact sets might work for a few links

    mated workpoints will allow more links, but restricts some of the DOF

    Dynamic Simulation could be an option, but again - more than a few links is going to drag your machine to it's knees.

     

    What is your true design intent.

    The more DOF you can remove the easier for the computer to solve.

    Please mark this response as "Accept as Solution" if it answers your question.
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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    Re: moveable links

    12-24-2012 05:58 AM in reply to: JDMather

    approx, 30 links per chain

    A steel box with a chain on each corner connecting to a larger ring...actually does not need to move....i need to make 4 chains (each 30 links) .. each chain attaches to a corner on the steel box and then all 4 chains held together a the top on a large ring

     

    Sam

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    *Expert Elite*
    Posts: 21,724
    Registered: ‎04-20-2006

    Re: moveable links

    12-24-2012 09:45 AM in reply to: sam__gleeson

    That description sounds like all DOF can be removed.

    Place workpoints where the insides of the links would be tangent (tangent constraint would be more complex than needed.

    Constraint the workpoints.

    Add constraints to origin workplanes between links to make them perpendicular to each other.

     

    I would probably simplify by pattern Feature as body in single part rather than do these as individual parts.

    Please mark this response as "Accept as Solution" if it answers your question.
    -----------------------------------------------------------------------------------------
    Autodesk Inventor 2013 Certified Professional
    Autodesk AutoCAD 2013 Certified Professional
    Certified SolidWorks Professional
    Inventor Professional 2013 SP 1.1 Edu 64-bit
    GeForce GTX 560M i7-2670QM @ 2.2GHz 8GB RAM
    http://home.pct.edu/~jmather/content/DSG322/inventor_surface_tutorials.htm
    http://www.autodesk.com/edcommunity
    Still waiting for -Draft option on any Rib feature.
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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    Re: moveable links

    12-27-2012 04:24 AM in reply to: sam__gleeson

    I followed your advice and came up with these files.

     

    How do i progress to the following

    1. adding the 4 chains to the links on the frame and then the chains connected on to the centre Ring

     

    Regards

     

    Sam

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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    Re: moveable links

    12-28-2012 06:33 AM in reply to: sam__gleeson

    Hi

     

    need help with ;last stage of adding the chains to the bracket and ring.Anyone?

     

    Thank you

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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    Re: moveable links

    01-05-2013 04:06 AM in reply to: sam__gleeson

    Hi

     

    I am having trouble getting the 4 chains to connect to the ring.Can someone help me out here please?

     

    Sam

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    Active Contributor
    Posts: 37
    Registered: ‎10-11-2012

    Re: moveable links

    01-08-2013 05:06 AM in reply to: sam__gleeson

    someone/anyone.I need help placing the chains onto the frame and ring.I have tried but it is not working.Please help

    Sam

    IV 2013 EDU

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