Through the investigation and trial of relevant CAPP software, for the characteristics of single-piece small-volume production of compressor manufacturing, it is better to implement a comprehensive CAPP system with interactive function when implementing CAPP. Because the compressor products have the characteristics of serialization and standardization, for the main parts and key parts, such as the fuselage, crankshaft, connecting rod, crosshead, slide, connecting cylinder, cylinder, piston, piston rod, screw of piston compressor The casing of the compressor, the intake and exhaust end bearing housing, the connecting cylinder, the yin and yang rotor, the gearbox, etc. can be searched for the derivative principle. Special parts that are large in size and large in size can be solved by semi-generalized and semi-creative. Because most of the new parts of the compressor and the parts of the original base products have similarity and inheritance, it is really necessary to carry out a comprehensive process analysis, and parts with a new process are rare.
Therefore, the main function of CAPP should be to concentrate a large amount of process information, classify and organize, and establish a database of various process parameters, technical manuals, and process experience data accumulated in the actual production process of the enterprise, so as to facilitate the inquiry and decision of the process personnel. , or based on the typical process to derive the part process or quickly develop a new process by using the data of the knowledge base. Enterprises implementing CAPP should avoid the roadblock of process generation intelligence, adjust the main direction of CAPP to establish the rapid response capability of the enterprise, and provide high-compressor technology informationization to improve the process standardization level and process management level of the enterprise. Tool of.
In view of the above reasons, combined with the author's actual work, it is recommended that the compressor manufacturing industry should consider when applying CAPP. Enterprises can not blindly pursue the automation and optimization of design in the selection and application of CAPP system, but pay attention to the preparation of basic data and the improvement of personnel quality. Because process design is a typical complex problem, the factors involved are numerous and complicated, and have great dependence on the use environment. Many process knowledge in process design does not have precise definition and rigorous mathematical model. Many problems are not determined. Sexual, so process design is a typical empirical decision, process design is dynamic and empirical, so too much emphasis on intelligence may not work.
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