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