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subassembly mates behave really strange in motion analysis

Question asked by Jianyuan Zhang on Jan 5, 2017
Latest reply on Feb 22, 2017 by James Crider

Hello,

I am building a robotic arm on a bigger device to use it pick and deliver stuff, so this bigger device is considered a top-level assembly and the robotic arm is the sub-assembly in this case, the problem is the mates in the subassembly work perfect, but when I make an animation in the top-level assembly, I need to animate how the robotic arm moves( particularly using the hinge mate at each pivot) the mates in the sub-assembly do not work any more, and all the sub-assembly parts start to be flying all over the places. but these mates work properly in the model. I uploaded the file and the screenshot it could be clear for you.

the way it is if I animate the process.the way it is in the model

 

Any help would be appreciated!

 

Tony

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