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Mechanisms (ROTARY MOTION MECHANISMS (Worm gear (It fulfils this equation,…

- - - - expressed by this equation
        
        N1·D1 = N2·D2 -> D1/D2 = N2/N1
        
        N are the velocities of the primary drive wheel and the output wheel
        
        D are the corresponding diameters
  - - - Their axles are parallel and they rotate simustaenously due to the effect of the belt
        
        the rotation of one axle is transmitted to the other through connected pulleys
        
        the pulleys and the axles rotate in the same direction
  - - - the cogs fit into spaces between the cogs of another wheel, so one moves the other
        
        All teeth must be the same size and shape
        
        the two axles and the two wheels rotate in the opposite directions
        
        N1·Z1 = N2·Z2 -> Z1/Z2 = N2/N1
  - - - N wheel= (N screw · Z grooves) / Z wheels
  - - - N1 · Z1 = N2 · Z2 -> Z1/Z2 = N2/N1
  - - - In this system, the rotary movement of the first axle is transmitted to the second by means of wheels 1 and 2
        
        Wheel 3 rotates with the same velocity as wheel 2 and drives wheel 4
        
        it follows this equation
  - - - Pulleys 2 and 3 rotate at the same velocity
        
        the motion of pulley 3 is transmitted to pulley 4 by the belt that connects them
        
        All the wheels rotate in the same direction
- - - - the resistance is between the fulcrum and the effort applied
        
        the effect of the effort applied is always multiplied (d>r)
    - - The effort applied is between the fulcrum and the resistance
        
        The effect of the effort is always reduced (d<r)
    - - the fulcrum is between the effort and the resistance
        
        the effect of the effort applied can be multiplied or reduced
  - - - A movable pulley is balanced when it satisfies this equation F= R/2
    - - a fixed pulley is balanced when the effort F is equal to the resistance of the load, R