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Technology White Table Tops Work Book Text Book Pen or Pencil Start when Quiet.

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Presentation on theme: "Technology White Table Tops Work Book Text Book Pen or Pencil Start when Quiet."— Presentation transcript:

1 Technology White Table Tops Work Book Text Book Pen or Pencil Start when Quiet

2 Technology Motion Transmission Motion Transformation Wind Turbine

3 Motion Transmission Systems Characteristics Construction Speed Changes Torque

4 Workbook p. 225 Textbook p. 435

5 Definitions

6 Motion Transmission: Is the mechanical function of relaying a motion from one part to another without altering the nature of the motion

7

8 A Motion Transmission System: Is a set of components that perform the function of transmitting motion

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10 Types of Components

11 Driver Component Component that receives the force required to activate the system

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13 Driven Component Component that receives the motion and transfers it to another part

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15 Intermediate Component Component located between the driver and driven components. Not all systems contain an intermediate component

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17 Characteristics

18 Gear Trains Direction Alternates from one gear to another Reversibility Yes

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20 Chain and Sprocket Direction Identical only for the sprockets touching the same side of the chain Reversibility Yes

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22 Worm Gear Direction Depends on the direction of the threads on the worm screw shaft Reversibility No

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24 Friction Direction Alternates from one gear to another Reversibility Yes

25 Belt and Pulley Direction Identical only for pulleys touching the same side of the belt Reversibility Yes

26

27 Motion Transformation p. 231

28 Motion Transformation Is the mechanical function of relaying a motion from one part to another while altering the nature of the motion

29 Rack and Pinion Possible Transformation Rotation => Translation Translation => Rotation Reversibility yes

30 RackPinion

31

32 Screw Gear Type 1 Possible Transformation Rotation => Translation Reversibility No

33 FIXED

34

35 Screw Gear Type 2 Possible Transformation Rotation => Translation Reversibility No

36 NOT FIXED

37 Cam and Follower Possible Transformation Rotation => Translation Reversibility No

38

39 Slider-Crank Possible Transformation Rotation => Translation Translation => Rotation Reversibility Yes

40

41

42 Homework pp. 225-238

43 Activity # 1 Get a partner Paper and Pencil / pen Rotate clockwise around the classroom


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