plugin-07 - Linkages and Mechanisms

plugin-07 - Linkages and Mechanisms - ME ME250PUZZLE

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E 250 PUZZLE ME 250 PUZZLE How many inputs would you need, in order to completely control this mechanism?
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NKAGES AND MECHANISMS LINKAGES AND MECHANISMS ME 250 Lecture #07 09/30/10 Mike Umbriac
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genda Agenda troduction to Linkages and Mechanisms Introduction to Linkages and Mechanisms Kinematic Diagrams Degrees of Freedom Grashof’s Law Examples from last year’s machines
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eminders / Announcements Reminders / Announcements W #2 is posted on Tools It is due Monday HW #2 is posted on CTools. It is due Monday. HW #1 solutions will be posted tonight on CTools. Machine Shop Training: final sign up https://me web2.engin.umich.edu/meshop/student/training
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echanisms Mechanisms A mechanism is a device for transferring motion d/or force from a source to an output and/or force from a source to an output. Gears ams Cams nkages Sources: Herb Peyerl Afrank99, CCA SA 2.5 Locking Pliers, Duk, GNU Free Documentation License Linkages
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nkages Linkages Linkage: a system of links connected at joints g y j with rotary or linear bearings Joint (kinematic pair): Connection between 2 or more links, which allows relative motion to occur between the links Link : Rigid body that possesses at least 2 nodes, which are the attachment points to other links p Hart
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Linkages: transmitting motion and force mechanisms http://www.youtube.com/watch?v=KupBY 3Lupc&feature=related “Mechanisms are ubiquitous; from toys, surgical instruments, prosthetic devices, landing gear, clocks, to devices for manufacturing and assembly automation. (Erdman, Sandor, Kota) Hart
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etractable hardtop Retractable hardtop ttp://video demos colostate edu/mechanisms/index html http://video_demos.colostate.edu/mechanisms/index.html Hart
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unch Mechanism Punch Mechanism Kota
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inematic Diagrams Kinematic Diagrams We draw kinematic diagrams to reduce mechanisms to a simpler form so we can analyze them into a simpler form so we can analyze them. Casement Window Mechanism Kinematic Diagram Source: Erdman, Sandor, and Kota, Mechanism Design
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pes of Links Types of Links Source: Erdman, Sandor, and Kota, Mechanism Design
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Types of Joints Source: Erdman, Sandor, and Kota, Mechanism Design
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pes of Joints (continued) Types of Joints (continued) 2 Source: Erdman, Sandor, and Kota, Mechanism Design
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round Link and Ground Pivots Ground Link and Ground Pivots a linkage one link is always fixed and is In a linkage, one link is always fixed, and is called the ground link.
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This note was uploaded on 01/26/2011 for the course ME 250 taught by Professor Dutta during the Fall '07 term at University of Michigan.

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plugin-07 - Linkages and Mechanisms - ME ME250PUZZLE

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