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

Technology Motion Transmission Motion Transformation Wind Turbine

Motion Transmission Systems Characteristics Construction Speed Changes Torque

Workbook p. 225 Textbook p. 435

Definitions

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

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

Types of Components

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

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

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

Characteristics

Gear Trains Direction Alternates from one gear to another Reversibility Yes

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

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

Friction Direction Alternates from one gear to another Reversibility Yes

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

Motion Transformation p. 231

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

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

RackPinion

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

FIXED

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

NOT FIXED

Cam and Follower Possible Transformation Rotation => Translation Reversibility No

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

Homework pp

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