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Research on nonlinear dynamic performance of the central bevel gear transmission system in aero-engine with complex excitation

Mechanics based design of structures and machines, 2022
For the requirement of the vibration control and fault diagnosis of the central bevel gear transmission system in an aero-engine, this paper proposes a 12-degree-of-freedom dynamic model for the first time in order to investigate nonlinear dynamic ...
Jia-You Liu   +3 more
semanticscholar   +1 more source

Nonlinear dynamic analysis of the central bevel gear transmission system in aero engine subjected to internal and external excitation

Proceedings of the Institution of mechanical engineers. Part C, journal of mechanical engineering science, 2022
The research on the nonlinear dynamic characteristics of the central bevel gear transmission system was carried out for the requirement of the vibration control and fault diagnosis of the central bevel gear transmission system in an aero engine.
Jia-You Liu   +3 more
semanticscholar   +1 more source

Non-contact measurement method of coaxiality for the compound gear shaft composed of bevel gear and spline

, 2021
Aiming at the rapid coaxiality measurement of compound gear shaft, a non-contact optical measurement scheme is proposed in this paper. According to the data points of cross-section obtained by laser displacement sensors, the data of the gear top is ...
Chai Zhong   +5 more
semanticscholar   +1 more source

Non-Newtonian thermal elastohydrodynamic mixed lubrication in elliptical contact for nutation-driven double circular-arc spiral bevel gear pair

Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
The new type of nutation reducer with double circular-arc bevel gears as the core is characterized by advantages such as high load-bearing capacity, large transmission ratio, and simple structure. The existing research focuses on the machining methods of
Ling Pan   +4 more
semanticscholar   +1 more source

Fatigue failure analysis of the central-driven bevel gear in a turboshaft engine arising from multi-source excitation

, 2021
The gas generator rotor of a small turboshaft aircraft engine, which operates at a relatively high speed, may have support stiffness that is weakened by the deliberate reduction of its structural weight, potentially causing a coupling vibration between ...
Xueqi Chen   +3 more
semanticscholar   +1 more source

An innovative ease-off flank modification method based on the dynamic performance for high-speed spiral bevel gear with high-contact-ratio

, 2021
To reduce the running vibration of spiral bevel gear, an innovative ease-off flank modification method based on the dynamic performance for spiral bevel gear to minimize loaded transmission error (main vibration excitation of gear transmission in low ...
Yan-ming Mu, X. He, Z. Fang
semanticscholar   +1 more source

Investigation on meshing characteristics of spiral bevel gear under wear fault evolution with assembly errors

Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
Spiral bevel gears have the advantage of transmitting high torque and power comparing to helical gear and straight bevel gear. However, they are susceptible to wear due to factors such as high loads, poor lubrication, and surface imperfections resulting ...
Zhanwei Li   +7 more
semanticscholar   +1 more source

Evaluation of the fatigue life of a tractor’s transmission spiral bevel gear

, 2021
Conventional tractor transmission spiral bevel gears are designed and evaluated based on the engine rated load, which is significantly higher than the load conditions in the field.
Wan-Soo Kim   +7 more
semanticscholar   +1 more source

AIRCRAFT BEVEL GEARS

SAE Technical Paper Series, 1945
<div class="htmlview paragraph"><b>B</b>Y following the few basic and well-established standards and practices to be considered in bevel-gear design presented here, the author states that the design, manufacture, and use of bevel gears can be easily carried out.</div> <div class="htmlview paragraph">The design of bevel ...
openaire   +1 more source

Contact stiffness and dynamic behavior caused by surface defects of spiral bevel gear in mixed lubrication

, 2021
Geometric defects may occur on the gear surfaces during manufacturing and service, such as pitting. However, the defect is rarely incorporated into gear mesh analysis.
Xinghua Pei, Wei Pu, Zhongzheng Wang
semanticscholar   +1 more source

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