| Isostatic pressing technology has been70years of history, in the past20years,isostatic pressing technology, especially the warm isostatic pressing technology, hasbeen widely used in aerospace, nuclear industry, automobile industry, food industry andpharmacy, permanent magnet, high electromagnetic porcelain, special functionalmaterials net shape forming of high technology, high added value. Many advantages isdiscovered like as high density and uniform distribution, short manufacturing cycle,process safety and no pollution, in isostatic pressing near net shape products. Isostaticpressing near net shape technology is one key technique in the development ofhigh-tech industry and traditional forming technology upgrading indispensable. thereasons, which is flexible automation control and the process of pressure curve precisecontrol, has been the obstacle to the popularization and application of the static pressurenear net forming.In this thesis, based on temperature and isostatic pressing equipment as the mainobject of study, based on in-depth analysis of heat isostatic pressing near net shapingtechnology, on the basis of many years of engineering experience, the innovativeresearch and Exploration on the safety control and pressure control curve. The maincontents:1the detailed study of the process warm isostatic pressing near net shape, and therelated safety chain exploration according to the different characters in different stages.2the detailed study of the control system of a high reliability of the structure,which can satisfy the high explosion-proof requirements of harsh environment.3the detailed analysis of the functional requirements of the man-machine dialogue,and developed a set of interactive software.4the study of the characteristics of different stages of pressure control curve,development of the PLC program, realized the suppression of flexible process andprecise control, to achieve a function and the two functions of the curve pressing. |
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