The straightness errors and angular deviations of the beam-associated axis motion are difficult to be guaranteed because of the gravity and overturning moment of the moving parts. In the actual assembly process,these kinds of accuracy are guaranteed by multiple scraping. However,the assembly efficiency is low,and the final geometric accuracy of the beam-associated axis motion is not high. Considering the variation of the gravity center of the moving parts,this paper presented a design method of the guidew a...
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