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mechanisms - Coggle Diagram
mechanisms
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other mechanisms
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connecting mechanisms
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movable connections are use to connect shafts that can move along the axle or at an angle to each other. there are two main types: Oldham joints and cardan joints
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friction drives
the ratio between the the rotation velocity of the wheels or pulley depends on the relative size of the wheels. it is expressed by the following equation: N1·D1 = N2·D2 -> D1/D2 = N1/N2
pulleys with belt
the rotation of one axle is transmitted to the other through the connected pulleys. The two pulleys, and the two axles, rotate in the same direction.
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gear train
the gear ratio between the drive wheel (1) and the driven wheel (4) depends on the number of geared teeth in the system: N4/N1 = Z1·Z3 / Z2·Z4
pulley trains with belts
the gear ratio between the drive pulleys (1) and the driven pulleys (4) depends on the relative size of the pulleys in the system. It's expressed as a function of their diameters: N4/N1 = D1·D3 / D2·D4
mechanims are deviced that transmit and convert forces and motion from a driving forces or input element to an output element
A fixed pulley is balanced when the effort F is equal
to the resistance of the load, R:
F = R