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Vibration and Dynamic Optimize Design Reserach of Swing Movable Teeth Drive Machine

Author: ZhangWenJu
Tutor: AnZiJun
School: Yanshan University
Course: Mechanical Design and Theory
Keywords: Swing Movable Teeth Transmission Vibration Dynamic Optimization Design Modal Analysis Torsional vibration
CLC: TH132.414
Type: Master's thesis
Year: 2008
Downloads: 177
Quote: 1
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Abstract


Swing Movable Teeth Transmission is a live tooth used to pass the two coaxial movement and power transmission mechanism with multi - tooth engagement , strong bearing capacity , full rolling engagement high transmission efficiency , transmission ratio and other characteristics, has a good prospect of application . With the rapid development of science and technology , mechanical products and equipment are also increasingly to high-speed, efficient, precise, lightweight and automation direction , its structure is increasingly more complex , work static and dynamic performance are increasingly high requirements . Therefore, the need for vibration study with dynamic design of mechanical products and equipment , in order to meet its static , dynamic characteristics and low vibration , low noise requirements . This paper describes the structural composition of swing movable teeth drive and transmission principle ; equation and the curvature of the central tooth profile formula derived equivalent institutions ; mechanical analysis model , and introduced the the meshing pair force formula , using Matlab the software program that analyzes the impact of the structural parameters of the meshing pair force . According to the structural characteristics of swing movable teeth transmission input shaft system , Riccati transfer matrix method and ANSYS finite element modal analysis method were established model of the transmission input shaft system vibration analysis of the vibration characteristics . Input shafting vibration model established based on the transfer matrix method , using Matlab software program to calculate the natural frequency values ??. 3D solid modeling and finite element model using ANSYS software input shafting state input shafting natural frequencies and modes . The kinetic characteristics of swing movable teeth transmission mechanism , the application of the lumped parameter method established institutions torsional vibration model , and the launch of its dynamic differential equations and calculated the torsional vibration model , the moment of inertia , torsional vibration stiffness and torsional vibration damping application of Runge-Kutta method to solve the torsional vibration dynamics differential equations , numerical simulation swinging movable teeth transmission mechanism of the shock , live teeth and live toothed rack vibration angular acceleration dynamic response . Swing Movable Teeth Transmission torsional vibration model agencies , establish a dynamic optimum design model institutions , and the application of Matlab software analysis solvers , and comparison with the conventional design , traditional optimization design and improve the dynamic characteristics of the organization for Swing Movable Teeth Transmission institutions laid the foundation for the dynamic characteristics and noise control .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > The transmission mechanism > Meshing > Gears and gearing > Cycloidal gear
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