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Research on the Establishment of Database System on the Planetary Gear Transmission Mechanism and Its Innovative Design

Author: ZhangLingQiang
Tutor: LiuSu
School: Nanjing University of Aeronautics and Astronautics
Course: Mechanical Design and Theory
Keywords: Planetary Database Virtual prototype Double circular arc gear Pro/ENGINEER ADAMS
CLC: TH132.41
Type: Master's thesis
Year: 2009
Downloads: 49
Quote: 1
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Abstract


With the advantages of big transmission ratio, light weight, compact structure and high transmission efficiency,the involutes planetary gear transmission is widely used in different industrial fields and it has good prospects for development, but it also restricts the development of involutes planetary gear transmission because of its own narrow limitation.Considering the development tendency of planetary and the driving characteristic of double circular arc gear, a tentative plan that applying double circular arc gear on planetary is established in the thesis, which can be called double circular arc planetary here.With the help of Pro/ENGINEER combined with ADAMS, three-dimension design and motional simulation design of double circular arc planetary have been completed.The thesis’s main research work is enumerated as follows:1) A database system of the design for planetary gear transmission and retrieval is established by consulting plenty of books and Patent Documentation, organizing, sorting and summarizing of the transform styles of main planetary gear.2) Based on the basic principle of arc gear transmission, the meshing analysis for tooth surface of double circular arc gear has been performed. By comparing the characteristics between the transitions of involutes gear double circular arc gear, a new assumption that applying the double circular arc gear on the planetary transmission mechanism is put forward, that is double circular arc planetary3) With the help of Pro/ENGINEER 3D software design platform, parametric design of double circular arc gear has been realized according to the research of parametric design theory. Then VC++ combined with Pro/TOOLKI are used to perform the CAD system of double circular arc planetary transmission.4) Software ADAMS has been applied for motion simulation of double circular arc planetary.The research of double circular arc planetary dynamic characteristics initiatory shows that it is feasible for the double arc gear to be used in the planetary transmission mechanism.

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