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International Standard Serial Number:
ISSN 1001-4551
Sponsor:
Zhejiang University;
Zhejiang Machinery and Electrical Group
Edited by:
Editorial of Journal of Mechanical & Electrical Engineering
Chief Editor:
ZHAO Qun
Vice Chief Editor:
TANG ren-zhong,
LUO Xiang-yang
Tel:
86-571-87041360,87239525
Fax:
86-571-87239571
Add:
No.9 Gaoguannong,Daxue Road,Hangzhou,China
P.C:
310009
E-mail:
meem_contribute@163.com
Abstract: In view of the influence of profile wear on dynamic characteristics of double involute gear (DIG)during the research of double involute gear, dynamic characteristics of double involute gear transmission system considering wear fault were studied. Firstly, the contact line length and tooth surface load of double-involute gear was calculated, and the equivalent contact model was established considering the relative slip distance. Then, the cumulative wear amount and the cumulative wear depth of the double involute gear were calculated. A double involute gear meshing stiffness calculation model was established to calculate the double involute gear stiffness of wear fault. Finally, the meshing of a pair of double involute gears were taken as the research object, a 6-DOF dynamic model was established by using the concentrated mass method to study the influence of tooth surface wear on the dynamic characteristics of double involute gears. The research results show that after 1×104 load cycles, the maximum cumulative wear difference between double involute gear and common involute gear (CIG) at the root position near the pitch line is 0.002 07 μm under mixed elastic lubrication, and the wear of double involute gear near the tip is less than that of ordinary involute gear. The vibration acceleration amplitude of double involute gear system after wear is smaller than that of common involute helical gear. According to the timedomain response of the gear under different wear conditions, the vibration amplitude of the double involute gear transmission system is increased due to wear.
Key words: mechanical transmission; double involute gear(DIG); profile wear; mixed electrohydrodynamic lubrication; dynamic model; time domain response; gear mesh stiffness; modal analysis; vibration characteristics of transmission system
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- Chinese Core Periodicals
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- Chinese Sci-tech Core Periodicals
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- SA, INSPEC Indexed
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- CSA: T Indexed
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- UPD:Indexed
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2010 Zhejiang Information Institute of Mechinery Industry
Technical Support：Hangzhou Bory science and technology
