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mechanisms - Coggle Diagram
mechanisms
gears
chain and sprocket
only rotates in one direction
ratchet and rawl
gear sizes determine speed
rack and pinion
rotates in same direction strong
compound gear train
used to change direction of rotation
bevel gear
rotation to linear motion
idler gear
used to fill in gaps between driver and driver gears
spur gear
rotates through 45 degrees
different sizes
worn and worm wheel
high troque
very slow
motors
gearbox
rotates 360 degrees
used in CNC
3v motor
set speed
small
servo
cheap
espensive
stepper
ideal for wheels
idea for fan
inline
ratio 120;1
rotates throught 180 degrees
cams and followers
straight line movement
converts rational motion to linear motion
follower shape determines accuarcy
shape determines movement of follower
pulleys
reverse pulley
change direction using the belt
regular pulley system
pulleys rotate in same direction
stepped pulley
change speeds
idler pulley
allows for tension on pulley belt
speakers
plays tunes
micro speaker
ideal for single tones
buzzer
one sound
linkage
parallel linklage
transfers motion from one point to another
