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Development Test for Flexible PTO Shaft Made of Ti Alloy for Aircraft
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 Title & Authors
Development Test for Flexible PTO Shaft Made of Ti Alloy for Aircraft
Lee, Joo Hong; Kang, Bo Sik; Yu, Hyun Seok; Lee, Ji Man; Cho, Hae Yong;
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The PTO (Power Take-Off) shaft for aircraft, with welded construction using multiple thin membranes, was developed in the 1950s to improve the elasticity of the part. As it is lightweight, stable at high speeds, and has good flexibility, it is used in most of the fighter aircraft. It connects the AMAD (aircraft mounted accessory drive) gearbox with the EMAD (engine mounted accessory drive) gearbox and transmits the rotational power between them. It operates in the high speed range of 10,000-18,000 rpm. In this study, the safety of the PTO shaft made of Ti alloy was investigated using finite element analysis, and the ability to transmit power was demonstrated through a high-cycle fatigue test conducted in a laboratory. Further, the life of the ball joints of the aircraft under high-cycle fatigue test conditions was predicted, and the wear characteristics were analyzed.
PTO;Flexible Shaft;High Cycle Fatigue Test;Ball Joint;Membrane;
 Cited by
고속열차용 트리포드 축의 비틀림 해석 및 파단에 대한 실험적 연구,이주홍;김도식;남태연;이태영;조해용;

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