id216_fall2011_wk10_mechanismDesign_I

id216_fall2011_wk10_mechanismDesign_I - Product Design...

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Week 10: Mechanism Design I Seok-Hyung Bae ([email protected]) Product Design Engineering ID216 KAIST
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Product Design Engineering ID216 KAIST Contents Cleghorn, Mechanics of Machines, Oxford University Press, 2005 1
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Product Design Engineering ID216 KAIST Machine An apparatus that transmits energy through its parts perform desired tasks A combination of mechanical/electrical components e.g. An automobile: transfers energy from the fuel into the driving of the wheels to provide motion; composed of mechanical parts of the drive train, suspension, and steering wheels, along with electrical parts used to ignite the air-fuel mixture and to provide lighting {subsystem}={ mechanism }={linkage} Links : individual parts of a machine/mechanism 2
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Product Design Engineering ID216 KAIST Single-Cylinder Piston Engine 3 Timing belt drive Slider crank mechanism Cam mechanism Engine
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Product Design Engineering ID216 KAIST Slider Crank Mechanism 4 Base link (hatched lines) Crank Base pivot Coupler or connecting rod Slider or piston Slide (part of the base link) Skeleton diagram
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Product Design Engineering ID216 KAIST Slider Crank Mechanism in an Engine 5
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Product Design Engineering ID216 KAIST Four-Bar Mechanism 6 Base link Base pivots Coupler Moving pivots Angular function-generating mechanism
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Product Design Engineering ID216 KAIST Equivalent Four-Bar Mechanisms Mechanisms developed from a single skeleton form All transmit the same motions Link length vs. link width/bearing size 7
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This note was uploaded on 12/06/2011 for the course ID 216 taught by Professor Bae during the Fall '11 term at Korea Advanced Institute of Science and Technology.

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id216_fall2011_wk10_mechanismDesign_I - Product Design...

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