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MECHANISMS - Coggle Diagram

- - - - Cogwheels are sets of wheels that have theet called cogs
    - - This is a screw that moves a helical cogwheel that is set perpendicular to the screw
    - - They consist of two pulleys or wheels that are a certain distance apart.
    - - Friction drives are made up of two or more wheels that are in contact
    - - This is a system of more than two gears, connected together as shown in the diagram
    - - Look at the diagram below. It's a system of pulleys, or wheels, with a belt formed by more than two wheels.
  - - - Class 2
        
        The resistance is between the fulcrum and the effort applied.
      - Class3
        
        The effort applied is between the fulcrum and the resistance.
      - Class 1
        
        The fulcrum is between the effort applied and the resistance.
    - - A fixed pulley is balanced when the effort F is equal to the resistance of the load, R: F=R
    - - A moveable pulley is balanced when iy satisfies this equation
    - - This is a system of fixed and moveable pulleys, often called block and tackle.
  - - - By travtion
      - By torsion
      - By compression
    - - Movable connections
      - Fixed connections
    - - Band brakes
      - Drum brakes
      - Disc brakes
    - - Bearing are made up of two concentric rings with balls or rollers between them.
      - In bushings the axle or the shaft is insterted in a plain circular piece that is placed inside a housing to provide a bearing surface
  - - - Crankshaft
      - Cam
      - Crank-link-slider
      - Eccentric cam
    - - Nut and bolt system
      - Winch and crank handle
      - Rack and pinion system