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Mechanical products in the domestic market in competitive strength depends largely on the quality of the product, and with the rapid development of modern science and technology and the increasingly fierce market competition, product technology content and complexity are increasing . In the knowledge economy of today, is described in this article include: Knowledge K (Knowledge), quality Q (Quality), Price C (Cost), research and development production cycle T (Time), the working environment E (Environment) and after-S (Service) and other users of the products of the various requirements of generalized mass. The quality of the product depends largely on the generalized product research and development, the most important is the product design, product design quality of a product can be given \Therefore, the vast majority of products, the product is designed to work in ensuring product quality plays paramount role. To make product design, science and technology workers at home and abroad over the past century have done a lot of research, presented dozens of design theory and methods, but these methods are only within a certain range for a particular product or product development, some of the stage, there is no one can well cover the entire product development cycle of design theory and method, therefore, the design theory and methods are still many deficiencies and the need to continue to study the issue. Meanwhile, the face of complex design theory and methods, how to be in the product design process and apply effective choice to achieve an organic combination of different design methods and the best match, has also been a design theory and method of the hot and difficult issues . In this paper, the following questions were studied: one in the existing theory, based on the product design is divided into four stages, namely the research stage (the stage ofresearch), the planning stage (the stage of planning), the implementation stage (the stage of implementation) and testing phase (the stage of test). (A) the product research phase, mainly to complete product market analysis and forecasting research and technological progress. (2) product design and planning stage, using 8D overall product planning theory throughout the complete product design planning; (3) the implementation phase of product design, the use of the nonlinear dynamics theory and methods, intelligent control theory and technology and computer technology-based to \quality and overall performance of the high-level \constitute a complete design system. 2 systematization of modern mechanical product design theory and method, applied to a type of rotary compressors for air conditioning design. In addition to the research projects supported by the National Natural Science Foundation of China (50535010), also received CR Shenyang Sanyo Compressor Co., Ltd. support applied research divided into the following five aspects: (a) a rolling piston type air conditioners compressor design research phase. From the user needs research, product research and environmental risks facing the air conditioning compressor industry survey conducted tripartite design research, and eventually established the R \u0026 D direction. (2) certain type rotary compressors for air conditioning design and planning phase. 8D design and planning in accordance with the theory, from making design objectives, clear design, consider the design environment, planning and design process, the choice of design methodology, formulation design content, planning, evaluation and testing and preparation of quality design and planning aspects of the whole book eight planning. (3) certain type rotary compressors for air conditioning design implementation phase. Using \Model of a rotary compressors for air conditioning has been part of the contents of the dynamic optimization design, consider the compressor specific work situation and mainly for the compressor vibration and noise aspects of the noise source localization experiments, experimental modal shape testing, the principle muffler has been studied, and the kinetic analysis compressor parts and check analysis; model of a rotary compressors for air conditioning for part of the contents of intelligent optimization design, analysis of the compressor motor Control system structure and process control system. Model of a rotary compressors for air conditioning has been part of the contents of the visual optimization. Established a compressor entity model, from the assembly visualization and visual dynamics of both its design. (4) certain type rotary compressors for air conditioning design verification phase. 3A quality inspection and evaluation using the model, first design the fuzzy theory to evaluate the compressor; then conducted a performance test of the prototype, the noise test, accelerated life test; product design is formed, into mass production. Sampling data indicate that the models superior performance, quality and stability. Customer feedback obtained from the present perspective, the model well positioned to meet the market demand.
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