Study On Design And Optimization Of Modular Product Platform Of Large Gear Milling Machine For Product Family

In order to meet the user's needs, improve the quality and increase the competitiveness of the products. The theory of modularized platform design and adaptable design are introduced into the large gear machine tool products, the theory and method of modularization are applied in the design of gear milling machine .The design process of modular product platform of gear milling machine is discussed in detail .The modular partition of product family design and the multilevel optimization of gear milling machine are performed based on the function analysis, module partition and the construction of product family .The main contexts are as following:1) The customization of gear milling machine and the research status of the design technology are summarized; the research status of the basic concepts and related technology of the modular design and adaptable design are expounded and the research objective, studying contents and significance are presented2) The construction principle of the gear milling machine modular product platform and the customization of gear milling machine is studied. The method and the regulation of the gear milling machine are discussed. The general mathematical model of gear milling machine structural optimization designs is introduced3) The customization of gear milling machine is analyzed. The existing products of the market are researched, the similarity computation and the cluster analysis are used in the preliminary design of products platform. The model of gear milling machine is established according to its functions, the gear milling machine is decomposed and modularized according to its function. The module product platform of the gear milling machine is constructed according to the module selection and recombining.4) The milling force of the milling machine is calculated, the FEM software is used in the analysis of the gear milling machine's static and dynamic performance and found the weak part as a basis for further optimization.5) In order to fulfill the gear milling machine optimum design, the concepts of multilevel optimization and sensitivity analysis are introduced. At last the main modules and the whole machine are optimized, and the results of optimization are evaluated. 6) The gear milling machine modularization software prototype system is introduced. The module base of modular product platform of gear milling machine is designed primarily, and the data base of the modules of the gear milling machine is established.