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Mechanism, mechanism , mechanism2.0 , poleas , joiningelemtns , …
Mechanism
Rotary motion mechanism: these mechanism transmit motion and effort in a circular way, from the input to the output
Friction drives: are made up of two or more wheels that are in contact. The output wheels rotates inthe opposite directionto the next to it
Pulleys with belt: consist of two or more wheels that are a certain distance apart. Their axles are parallel and they rotate simultaneously due to the effect of the belt
Gear mechanism and cogwheels: the cogs fit into the spaces between tho cogs of another wheel, so that one wheel moves the other
Worm gear: this is a screw that moves a helical cogwheel that is set perpendicular to the screw. Each time the screw rotates, the gear moves forward as many teeths as there are grooves in the screw, usually a small number; 1, 2 y 3
Gear mechanisms with a chain: there are two cogwheels with parallel axle that are a certain distance apart, they rotate simultaneously by means of a metal chain or a toothed belt stretched over both wheels
Gear train: this is a system of more than two gears, connected together as shown in the diagram. The rotary motion of the first wheel, 1, drives the second wheel,2, and so on
Pulley trains with belts: the gear ratio between the drive pulley(1) and the driven pulley (4) depends on the relative size of the pulleys in the system. It's expressed as a function of their diameters. N4/N1= D1xD3/D2xD4
Other mechanisms
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Connecting mechanism
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Movable connections: are used to connect shafts that can move along the axle or an angle to each other. There are two main types, Oldham joints and Cardan joints
Supports
Bushings: or the shaft is inserted in a plain circular piece
that is placed inside a housing to provide a bearing surface.
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Mechanism: are devices that transmit and convert forces and motion from driving force or input element to an output element. W ecan classify them in:
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