dynamic simulation follow rail

[Anonymous]

Hy

ive a question about a rather simple simulation but i dont have experiance

with it so for me it isnt that simple. 😉

in the attached image u see a blue an yellow object that is a brush, and that has to go trough the

rail the that exists of a straigt and then a bent and again a straigt , can some1 walk me trough

wich constrains and how to start to let the brush follow the rail ?

regards

[MariaManuela]

Hi.

Do you have Inventor Dynamic Simulation?

If yes you can try a 2D Contact Joint: http://wikihelp.autodesk.com/Inventor/enu/2012/Help/3320-Show_Me_3320/3708-Dynamic_3708/3709-Standar...

[Anonymous]

yes i have ill wil try it and let u know how it works out

regards

[Anonymous]

i have tried it and i cant get it moving are their anny other constrains i have to do , maybe in assembly cause the part (blue) isnt constrained to the rail .

I can mail u a pack and go if u want .

[JDMather]

Can you attach the assembly here?

Have you gone through this book?

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dstripbooks&field-keywords=younis+inventor

[Anonymous]

the file is to big to upload 😞

regards

[henderh]

You should be able to use a "Sliding Cylinder-Curve" joint after defining the degrees of freedom of the mechanism.

Attached is a video of a simple example.  In your brush part you may need to create "dummy" cylindrical geometry to get it to work.

Have you tried uploading the parts and assemblies individually?  To make the parts smaller, you could move the "End of Part" marker all the way to the top of the browser, then save.

Hope this helps, -Hugh

[JDMather]

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@Anonymous wrote:

the file is to big to upload 😞

regards

---

Roll up the EOPs, save, zip and attach.

[Anonymous]

here are the seperated files

regards

[Anonymous]

im almost their 😉 but their are 2 smal problems

1) the cylindrical part is half in my rail

2) i forgot a constrain on the blue part so it went just trough

the bend , if i constrained it notting movid and the it should

actully torn with the corner.

hope u can help me further , your where a great help sofar 🙂

regards

[henderh · Accepted solution]

Please see the attached assembly.  Instead of using chamfers on the "kar" part I used fillets (rounds).  This will provide cylindrical faces to use for the sliding cylinder-curve joints.  There is an initial velocity in one of the planar joint DOFs.  Press play and you'll see the motion around the track.

Best regards, -Hugh

[Anonymous]

thanks for the big help

regards