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Graphical position analysis of a 4 bar RRRR linkage

Graphical position analysis of a 4 bar RRRR linkage. Choose your coordinate system and origin. Graphical position analysis of a 4 bar RRRR linkage. Fix your ground link. L 1. Graphical position analysis of a 4 bar RRRR linkage. Construct input link in given position

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Graphical position analysis of a 4 bar RRRR linkage

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  1. Graphical position analysis of a 4 bar RRRR linkage Choose your coordinate system and origin.

  2. Graphical position analysis of a 4 bar RRRR linkage Fix your ground link L1

  3. Graphical position analysis of a 4 bar RRRR linkage Construct input link in given position by drawing a link of length L2 at an angle q2 with the horizontal L2 q2 L1

  4. Graphical position analysis of a 4 bar RRRR linkage Draw an arc of radius L3 from the free pivot of link 2. Draw an arc of radius L4 from the fixed pivot of L1. L3 The point of intersection is the location of the pin joint between links 3 and 4. Construct links 3 and 4. L2 L4 q2 L1

  5. Graphical position analysis of a 4 bar RRRR linkage Coupler point L5 Attach the coupler triangle to link 3. L3 q5 Locate the coupler point. L2 L4 q2 L1

  6. Graphical position analysis of a 4 bar RRRR linkage Coupler point L5 L3 q5 L2 L4 q2 Repeat steps at different q2 to complete the coupler curve L1

  7. Graphical position analysis of a 4 bar RRRR linkage Alternative configuration L3 L5 q5 L2 L4 q2 Coupler point L1

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