The document discusses position and displacement analysis of mechanisms using graphical and analytical methods. It provides examples of using these methods to determine the displacement of points on mechanisms when links rotate or move. Graphical analysis uses CAD software to visualize the mechanism's motion and calculate displacements, while analytical analysis uses mathematical relationships to solve for displacements.

1. Position AnalysisLecture NotesReference: Machines and Mechanisms Applied Kinematics by David H. Myszka

2. Position and DisplacementThe position of a point on a mechanism is the spatial location of that point.Displacement is the end product of motion.Linear displacement is the straight line distance between an original position of a point on a mechanism and some later position.Angular displacement is the angular distance between two positions of a rotating link.Reference: Machines and Mechanisms Applied Kinematics by David H. Myszka

3. Position Analysis Graphical AnalysisAnalytical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. Myszka

4. Example 1: The figure shows a toggle clamp used to securely hold parts. Graphically determine the displacement of the clamp surface as the handle rotates downward 15o.Reference: Machines and Mechanisms Applied Kinematics by David H. Myszka

5. Graphical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. MyszkaUsing CAD software:The displacement of point C is 11.62 mm

6. Analytical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. Myszka

7. Summary:Reference: Machines and Mechanisms Applied Kinematics by David H. Myszka

8. Limiting Positions The configuration of a mechanism that places one of the follower links in an extreme position is called a limiting position.Graphical AnalysisAnalytical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. Myszka

9. Example 2:The figure shows a linkage that operates a water nozzle. Determine the extreme position of the mechanism that places the nozzle in extreme positions.Reference: Machines and Mechanisms Applied Kinematics by David H. Myszka

10. Graphical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. MyszkaUsing CAD software:The angular displacement of link 4 is 47o

11. Analytical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. MyszkaStep 1:

12. Analytical AnalysisReference: Machines and Mechanisms Applied Kinematics by David H. MyszkaStep 2:

13. Reference: Machines and Mechanisms Applied Kinematic Analysis by David H. Myszka. © 1999 by Prentice-Hall, Inc. Page 1 – 17.