Couplings and clutches

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A technology activity focused on mechanisms, especially in couplings and clutches

Oscar Valainon

España

#	Jugador	Acierto	tiempo
1	LUCIA DE ALEJANDRO 25 de Febrero de 2019	% 94	01:46
2	Thomas Huttle 25 de Febrero de 2019	% 5	01:09
3	Jimena Moreno 25 de Febrero de 2019	% 2	00:47

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Completar Frases Couplings and clutchesVersión en línea A technology activity focused on mechanisms, especially in couplings and clutches por Oscar Valainon 1 shafts shafts shaft aligned shafts Cardan angle shaft teeth permanent lateral axis contact Oldham interlocking Cardan shafts Sometimes we need to transmit rotation from one of rotation to another . For example , there may be a distance or an angle between two and they may not be totally aligned . In these cases , we can use various coupling mechanisms . Rigid couplings form a permanent connection between two shafts . These shafts may have different diameters , but they must be perfectly aligned . Clutches form a rigid connection which isn't . For example , a car has a clutch that engages and disengages the engine and the wheels . This system also permits various combinations that change the gear ratio between the engine and the wheels . This is similar to the gear system of a bicycle . Friction clutch The ends of two come into . When one turns , there is friction . This turns the second . Jaw clutch . The ends of two shafts are connected by . A jaw clutch is more reliable because it doesn't slip easily . Flexible couplings are also useful . Oldham coupling An coupling is used to connect that are not perfectly . The grooves permit movement . Cardan joint A joint connects two that are at an to each other . joints are used in cars . They transmit rotary motion from the car's engine to its back wheels .