The webinar will deliver an extensive knowledge about the construction, working, benefits and applications of the Epicyclic Gear Train. The Epicyclic gearing or planetary gearing is a gear system consisting of one or more outer, or planet, gears or pinions, revolving about a central sun gear or sun wheel. Typically, the planet gears are mounted on a movable arm or carrier, which itself may rotate relative to the sun gear. The gear train is in compact size and low weight, as much as 50% reduction with same torque output. It provides high power density and longer gear life at similar loads. Also the gearing can be very accurate with virtually no backlash. It provides high efficiency as 95% per stage. The typical ratio per stage is 9:1, 4 stages 9000:1. Epicyclic gear trains are used in Automatic transmission which can provide four forward speeds and two reverse speeds.
Dr. A Ramesh Kumar
Professor & HOD, Department of Mechanical Engineering
Ashoka Institute of Engineering & Technology, Hyderabad