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Self-centering uncoiler 2 || Idea mechanisms #100243

Engineering 3DCad Appication
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Turn orange nut to move yellow bars radially for centering a coil (in
glass). Then the coil is turned for uncoiling. A brake drum on the pink
shaft end is for creating uncoil tension.
Here is applied slider crank mechanism (green cranks, violet conrods
and blue hub) to convert linear motion of the blue hub into rotary
motion of the green cranks.
Parallelogram mechanisms are used for keeping yellow bars parallel
to the pink shaft axis.
This uncoiler is for coils of large width.

I would like to hear what you think...suggestions and comments are welcome!
Thank you!

Link to download free 3D cad models
http://zipansion.com/3LBMy

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Source: This perfect model is made by Mr.Thang
You help us to design faster. THANK YOU SO MUCH !!!!!! 
Engineering 3DCad Appication
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