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Planetary gear designer4/4/2024 Since the vibration and noise significantly influent the fatigue life and reliability of the gear transmission system, in order to achieve quiet and reliable transmissions, it is of great necessity to construct a dynamic model for the HPGT for the dynamic performance analysis.ĭynamic modeling and dynamic analysis of spur or single-helical PGT have been carried out by many researchers. Therefore, the herringbone planetary gear train (HPGT) is also applied to heavy machinery such as coal cutter, aerospace engine, etc. Compared with single-helical gears, the herringbone gears have significant advantages of higher load carrying capacity, lager total contact ratio and lower axial force. Planetary gear trains consist of either spur, single-helical or herringbone gears. The main advantages of this transmission are its high efficiency, its compactness, its large transmission ratio and its large power-to-weight ratio, etc. Planetary gear train (PGT) has been widely used in the transmissions of helicopters, automobiles, wind turbine, aircraft engines, etc. Qin, in International Gear Conference 2014: 26th–28th August 2014, Lyon, 2014 1 INTRODUCTION
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