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mechanisms - Coggle Diagram
mechanisms
Pulleys
Regular Pulley System
Pulley rotates in the same direction
Reverse Pulley
Change direction using the belt
Stopped Pulley
changes speed
Idler Pulley
Allows for tension on pulley belt
Cam & Followers
many shapes
Shape determines movement of follower
converts rotational motion to linear motion
straight line movement
follower shape determines accuracy
Gears
Ratchet & Pawl
Compound Gear Train
Idler Gear
used to change direction of rotation
Chain & Sprocket
Rotates in the same direction. Strong
Rack and Pinion
Rotation to Linear motion
Worm & Worm Wheel
Slow but high torque
Bevel gear
Rotates through 45 degrees
Spur Gear
different sizes
Motors
Gearbox
set speed
Stepper
expensive & used in CNC
Servo
rotate through 180
high tourque
3v motor
small
ideal for fan
Inline
cheap
rotates 360 degrees
Ratio 120:1
ideal for wheels