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Alane1967

The document contains instructions for designing four-bar and six-bar linkage mechanisms to move a link between different positions as shown in a figure. It includes four problems that ask students to design linkages to move the link between 1) position 1 and 2, 2) position 2 and 3, 3) all three positions, and 4) all three positions using the fixed pivots provided, and to build cardboard models with driver dyads.

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DESIGN OF MACHINERY 3rd Ed. by ROBERT L. NORTON 息 McGraw-Hill 2004 1.591 2.053 D1 0.124 D2 1.591 D3 0.920 C1 C2 2.247 3.282 2.971 0.928 C3 1.267 1.347 O2 O4 3.679 4.000 FIGURE P3-18 Problems 3-63 to 3-66 3-63 Design a fourbar mechanism to move the link shown in Figure P3-18 from position 1 to position 2. Ignore the third position and the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-64 Design a fourbar mechanism to move the link shown in Figure P3-18 from position 2 to position 3. Ignore the first position and the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-65 Design a fourbar mechanism to give the three positions shown in Figure P3-18. Ignore the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-66 Design a fourbar mechanism to give the three positions shown in Figure P3-18 using the fixed pivots O2 and O4 shown. (See Example 3-7.) Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar.

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Fig p3 18

  • 1. DESIGN OF MACHINERY 3rd Ed. by ROBERT L. NORTON 息 McGraw-Hill 2004 1.591 2.053 D1 0.124 D2 1.591 D3 0.920 C1 C2 2.247 3.282 2.971 0.928 C3 1.267 1.347 O2 O4 3.679 4.000 FIGURE P3-18 Problems 3-63 to 3-66 3-63 Design a fourbar mechanism to move the link shown in Figure P3-18 from position 1 to position 2. Ignore the third position and the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-64 Design a fourbar mechanism to move the link shown in Figure P3-18 from position 2 to position 3. Ignore the first position and the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-65 Design a fourbar mechanism to give the three positions shown in Figure P3-18. Ignore the fixed pivots O2 and O4 shown. Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar. 3-66 Design a fourbar mechanism to give the three positions shown in Figure P3-18 using the fixed pivots O2 and O4 shown. (See Example 3-7.) Build a cardboard model and add a driver dyad to limit its motion to the range of positions designed, making it a sixbar.