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      A Study on Optimization of Tooth Micro-geometry for a Helical Gear Pair = 헬리컬 기어의 치형최적화에 관한 연구

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      다국어 초록 (Multilingual Abstract)

      Nowadays, modern gearboxes are characterized by high torque load demands, low running noise and compact design. Also durability of gearbox is specially a major issue for the industry. For the gearbox which used in wind turbine, gear transmission error...

      Nowadays, modern gearboxes are characterized by high torque load demands, low running noise and compact design. Also durability of gearbox is specially a major issue for the industry. For the gearbox which used in wind turbine, gear transmission error(T.E.) is the excitation that leads the tonal noise known as gear whine, and radiated gear whine is also the dominant source of noise in the whole gearbox. In this paper, tooth modification for the high speed stage is used to compensate for the deformation of the teeth due to load and to ensure a proper meshing to achieve an optimized tooth contact pattern. The gearbox is firstly modeled in Romax software, and then the various combination analysis of the tooth modification is presented by using Windows LDP software, and the prediction of transmission error under the loaded torque for the helical gear pair is investigated, the transmission error, contact stress, root stress and load distribution are also calculated and compared before and after tooth modification under one torque condition. The simulation result shows that the transmission error and stress under the loads can be minimized by the appropriate tooth modification.

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      목차 (Table of Contents)

      • ABSTRACT
      • 1. Introduction
      • 2. Gear Noise and Durability
      • 3. Analysis and Simulation
      • 4. Conclusion
      • ABSTRACT
      • 1. Introduction
      • 2. Gear Noise and Durability
      • 3. Analysis and Simulation
      • 4. Conclusion
      • ACKNOWLEDGMENT
      • REFERENCES
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