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THREE-LINK SCREW-TYPE MECHANISM WITH TURNING AND SLIDING PAIRS

Link 1 is connected by turning pair A to the fixed link and by sliding pair B to link 2 which, in turn, is connected by screw pair C to the fixed link. The element of sliding pair B belonging to link 2 is designed as prismatic shank a. When link 1 is turned through the angle ϕ₁, the displacement of link 2 along axis x-x is s₂=h_C(ϕ₁/(2π)) where h_C is the pitch of the thread in screw pair C. It is…