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Mechanisms - Coggle Diagram
Mechanisms
Gears
Different sizes
Spur gear
Rotates through 45 degrees
Bevel gear
Rack and pinion
Rotation to linear motion
Rotates in same direction. Strong
Chain and sprocket
Only rotates in one direction
Rachet and rawl
Gear sizes determine speed
Compound gear train
Used to fill in gaps between driver and driven gears
Used to change direction of rotation
Idler gear
Worm and worm gear
Very slow
High torque
Pulleys
Stepped pulley
Reverse pulley
Idler pulley
Regular pulley system
Change speeds
Change direction using the belt
Pulleys rotate in same direction
Allows for tension on pulley belt
Speakers
Buzzer
Piezo
One sound
Micro speaker
Ideal for single tones
Plays tunes
Motors
Servo
High torque
Rotates through 180
Gearbox
Set speed
Expensive
Stepper
Used in CNC
3v Motor
Small
Ideal for fan
Inline
Ratio 120:1
Cheap
Rotates 360 degrees
Ideal for wheels
Cams and followers
Shape determines movement of follower
Many shapes
Converts rotation motion to linear motion
Straight line movement
Follower shape determines accuracy
Linkage
Paralel linkage
Transfers motion from one point to another