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mechanics - Coggle Diagram
mechanics
gears
chain and sprocket
rotates in same direction(strong)
ratchet and pawl
only rotates in 1 direction
rack and pinion
rotary to linear motion
compound gear train
gear sizes determine speed
bevel gear
rotates through 45 degrees
idler gear
used to change direction of spinning
used to fill gaps between driver and driven gears
spur gear
different sizes
worm and worm wheel
very slow
high torque
motors
servo
high torque
rotates through 180 degrees
gearbox
set speed
inline
120:1 ratio
cheap
spins 360 degrees
ideal for wheels
stepper
expensive
used in cnc
3v motor
ideal for fans
small
pulleys
reverse pulley
change direction using the belt
regular pulley
pulleys rotate in same direction
stepped pulley
change speeds
idler pulley
allows for tension on belt
cams and followers
converts rotational motion into linear motion
straight line movement
many shapes
shape determines movement of follower
follower shape determines accuracy
speakers
piezo
ideal for single tones
micro speaker
plays tunes
buzzer
one sound
linkage
parallel linkage
transfers motion from one point to another
