A planar 8 linkage mechanisms is set up according to engineering practice

and the optimization design is carried out by the CVMP program. Using SolidWorks software

the mechanism assembly model is built

then the simulation results are got by COSMOSMotion. An efficiently and directly method for optimization design of mechanisms is gave

and the ability of analyzing and designing the planar multi -linkage mechanisms is improved. At the same time

it also provided a useful reference to design and simulation for other mechanisms.