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gravity problem with cosmos - solidworks2006



i created an assembly in solidworks, it consists of 3 parts. the mainframe, and an arm on each side. One of the arms is a mirror image of the other. When i run Cosmos, and use the gravity feature, it recognizes that only '1' of the arm has mass so the C.G. arrow is offset from the middle. i 'defined' material for all, and in the tree it even lists the mirrorARM to have a material of ASTM36 steel. Has anybody had this problem??
gravity problem

i figured it out...

when that occurs individually define the materials in the part drawings (even if it is already defined by the assembly) - and this applies especially to mirrored components....

It's always feels great when you can solve your own problems. Thanks for taking the time to post it back on this thread. Now others can benefit as well. That's the whole idea of this site!

Good luck!
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