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Technology White Table Tops Work Book Text Book Pen or Pencil Start when Quiet
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Technology Motion Transmission Motion Transformation Wind Turbine
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Motion Transmission Systems Characteristics Construction Speed Changes Torque
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Workbook p. 225 Textbook p. 435
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Definitions
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Motion Transmission: Is the mechanical function of relaying a motion from one part to another without altering the nature of the motion
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A Motion Transmission System: Is a set of components that perform the function of transmitting motion
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Types of Components
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Driver Component Component that receives the force required to activate the system
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Driven Component Component that receives the motion and transfers it to another part
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Intermediate Component Component located between the driver and driven components. Not all systems contain an intermediate component
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Characteristics
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Gear Trains Direction Alternates from one gear to another Reversibility Yes
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Chain and Sprocket Direction Identical only for the sprockets touching the same side of the chain Reversibility Yes
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Worm Gear Direction Depends on the direction of the threads on the worm screw shaft Reversibility No
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Friction Direction Alternates from one gear to another Reversibility Yes
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Belt and Pulley Direction Identical only for pulleys touching the same side of the belt Reversibility Yes
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Motion Transformation p. 231
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Motion Transformation Is the mechanical function of relaying a motion from one part to another while altering the nature of the motion
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Rack and Pinion Possible Transformation Rotation => Translation Translation => Rotation Reversibility yes
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RackPinion
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Screw Gear Type 1 Possible Transformation Rotation => Translation Reversibility No
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FIXED
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Screw Gear Type 2 Possible Transformation Rotation => Translation Reversibility No
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NOT FIXED
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Cam and Follower Possible Transformation Rotation => Translation Reversibility No
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Slider-Crank Possible Transformation Rotation => Translation Translation => Rotation Reversibility Yes
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Homework pp. 225-238
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Activity # 1 Get a partner Paper and Pencil / pen Rotate clockwise around the classroom
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