Planetary Gear Profile Modification Design Based on Load Sharing Modelling

查看全文 作　　者：IGLESIAS [1]Miguel;FERNáNDEZ DEL RINCóN [1]Alfonso;DE-JUAN Ana [1]Magdalena;GARCIA [1]Pablo;DIEZ [1]Alberto;VIADERO [1]Fernando

机构地区：[1]Mechanical Engineering Research Group, University of Cantabria

出　　处：《Chinese Journal of Mechanical Engineering》索引2015年第28卷第4期,共11页

基　　金：Supported by the Project DPI2013-44860 funded by the Spanish Ministry of Science and Technology 摘　　要：In order to satisfy the increasing demand on high performance planetary transmissions, an important line of research is focused on the understanding of some of the underlying phenomena involved in this mechanical system. Through the development of models capable of reproduce the system behavior, research in this area contributes to improve gear transmission insight, helping developing better maintenance practices and more efficient design processes. A planetary gear model used for the design of profile modifications ratio based on the levelling of the load sharing ratio is presented. The gear profile geometry definition, following a vectorial approach that mimics the real cutting process of gears, is thoroughly described. Teeth undercutting and hypotrochoid definition are implicitly considered, and a procedure for the incorporation of a rounding arc at the tooth tip in order to deal with corner contacts is described. A procedure for the modeling of profile deviations is presented, which can be used for the introduction of both manufacturing errors and designed profile modifications. An easy and flexible implementation of the profile deviation within the planetary model is accomplished based on the geometric overlapping. The contact force calculation and dynamic implementation used in the model are also introduced, and parameters from a real transmission for agricultural applications are presented for the application example. A set of reliefs is designed based on the levelling of the load sharing ratio for the example transmission, and finally some other important dynamic factors of the transmission are analyzed to assess the changes in the dynamic behavior with respect to the non-modified case. Thus, the main innovative aspect of the proposed planetary transmission model is the capacity of providing a simulated load sharing ratio which serves as design variable for the calculation of the tooth profile modifications. 关键词：行星传动齿轮模型齿轮齿廓负载分担修形设计机械系统比例设计应用程序

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Planetary Gear Profile Modification Design Based on Load Sharing Modelling

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