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Technical Paper

Multi Disc Wet Clutch with Oil Spatter Cooling System in Main Manual Shift Transmission for Tractors

2012-09-24
2012-01-2004
The scope of tractor usages are widely expanding to various non-agricultural and construction/earthmoving applications like loaders, dozers etc. The tractors with manual transmission driveline subjected to such heavy duty cycles are having conventional dry type clutches in general. These types of dry clutch when operated in such heavy application generate large amount of heat within shorter period of time on the surfaces of friction discs. This increase in disc surface temperature determines not only the level of the friction but also the rate of wear and durability. Number of clutch operation per minute for this application is also increasing to meet the improved productivity requirements. Analysis shows that the rate of heat removal from the friction disc through oil flow system is higher compared to oil immersion type. In this work, an oil spatter concept is designed to provide active circulation of oil to the multi disc clutch during engaged conditions.
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