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Mechanical Mechanisms ((Idler Gear (Used to change direction of rotation,…
Mechanical Mechanisms
Idler Gear
Used to change direction of rotation
Use to fill gaps between Driver and Driven Gears
Worm and Worm Wheel
High Torque
Very Slow
Rack and Pinion
Rotation to linear motion
Chain and Sprocket
Rotates in samedirection. Strong
Ratchet and Pawl
Only rotates in one Direction
Bevel Gear
Rotates through 45 degrees
Compound Gear Train
Gear sizes determine speed
Different sizes / Spur Gear
Motors
Inline
Cheap
Rotates 360 Degrees
Ratio 120:1
Ideals for Wheels
Servo
High Torque
Rotates through 180
Gear Box
Set Speed
Stepper
Expensive
Used in CNC
3v Motor
Small
Ideal for Fan
Cams and followers
Straight line movement
Follower shape determines accuracy
Coverts rotational motion to linear motion
Shape Determines movement of follower/ Many Shapes
PULLEYS
Stepped
Change Speeds
Reverse
Change Direction using the belt
Regular Pulley System
Pulleys rotate in same direction
Idler
Allows for tension on pulley belt
Speakers
Speakers
One Sound
Piezo
Ideal for Single tones
Micro Speaker
Plays tunes
Gears