Multiplate clutch

Multiplate clutch
Multiplate clutch are used for large trucks and racing cars where high torque transmission is necessary but the diameter is limited. These are also used in automatic transmission and motor cycles. In this type of clutch a number of clutch a number of parallel discs of metal and friction material are arranged to transmit the drive. In comparison to the single plate type these are smoother and easier to operate. The increased number of plates/friction discs provide the increased torque carrying ability thus making it suitable for use on heavy commercial vehicles and special purpose military and agricultural vehicles. These clutches may be dry or wet.
Multiple Dry Clutch
A multiple dry clutch has its different plates lined with a frictional material similar to that used in case of a single plate clutch.
Cork inserted multiplate clutches are used in motor cycles while those with metal plates are used in tractors or other light powered engine vehicles. To avoid scorching or changing of cork-inserts due to frictional heat, it is necessary to have the clutch oil-cooled.
Multiple wet clutch
A multiple wet clutch consists of a number of thin plates made of steel fitted to the engine shaft and those on the gear shaft are made of phosphor bronze. These plates are immersed in a bath of oil and also have grooved surfaces for permitting the oil to flow through them. These grooves help to dissipate the heat generated during the engagement and release operations. The wet clutches are generally used in conjunction with or as a part of the automatic transmission.



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