Slinger Design in Live 4WD Axle for Tractor

Navneet Chaudhari; Suvendu Kumar Sethi; Srinivasa Rao; Ramachandran Gopalswamy

doi:10.4271/2019-26-0084

Proper lubrication is essential for any gear box & axle to get optimized performance. For getting desired life of gear train, we have to maintain minimum oil level inside the gear box or axle, whereas in case of rotating parts such as bearings and shafts, we have to provide sealing such as o rings & oil seals to stop oil coming out from the housing. But, if sealing is not proper seepage & leakage start and reduce the oil level inside the gear box. Oil deficiency leads to scuffing failure in gears and later occurrence of gear & bearing seizure ultimately fails the system.

To sustain proper lubrication, we must seal the interfaces appropriately. There are different types of sealing available. Sealing is also depended on application and its location.

To protect seal from external environment, we adopt a unique arrangement called slinger which enhances the life of seal.

This paper speaks about this unique protection of oil seal in 4WD axle from outside contaminators such as mud, pebbles and water which should not come in contact with the oil seal. Hence seal life enhances significantly which has been experimentally established for tractors in lab as well as in field.

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Slinger Design in Live 4WD Axle for Tractor 2019-26-0084

SAE MOBILUS