Lecture09_ME343F09

Lecture09_ME343F09 - Constant Acceleration Harmonic...

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Cams: Design and Analysis ME 343 9 November 2009
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Midterm 2 Scheduled for next week 11/16 Closed Book / notes 1 page (8.5” X 11”) (2-sided) Note sheet Covers CH 5, 6, 7 Slider Crank Mechanism Design Velocity analysis Acceleration analysis
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Problem 6.31
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•Distinct motion profiles •Precise timing •Cam MUST maintain contact with follower •Contact stresses •Frictional loss •3 Basic Cam Types
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Follower Types & Orientations
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Follower Displacement Diagram
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Example 9.1 Plot a follower displacement diagram for the package moving device at the left assuming the follower sequence is prescribed below. Also calculate the required speed of the cam.
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Example 9.1
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Follower Motion Schemes Constant Velocity
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Unformatted text preview: Constant Acceleration Harmonic Cycloidal Constant Velocity Constant Velocity Follower Kinematics Constant Acceleration Harmonic Motion Cycloidal Motion Example 9.2 Construct a cam follower displacement plot for the following mechanism with prescribed motion Example 9.2 Solution Graphical Cam Disk Profile Design Cam Profile Design Pressure Angle Example Problem 9.1 Plot a follower displacement diagram for a plate cam which has the following prescribed motion: Rise 1 with constant velocity in 3.0s Dwell for 0.5s Fall with constant velocity in 2.0s Repeat Also Determine the required speed of the cam 9.1 Solution Homework Ch 9 2, 3, 4...
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Lecture09_ME343F09 - Constant Acceleration Harmonic...

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