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多层喷射沉积是一种新型的喷射沉积工艺 .对制备大厚壁管有着其优越性 ,但存在着开头难以保证的缺点 .作者分析了开头难以保证所形成的原因 .介绍了QA2 2 1 2系列可编程控制器在解决多层喷射沉积管坯形状问题中的应用 ,可更加有效地控制管坯的形状
Multi-layer spray deposition is a new type of spray deposition process, which has the advantages of preparing thick-walled tubes, but it has the disadvantage of not being easy at the beginning.Analyzing the reasons why it is difficult to guarantee the formation of the first part, the author introduced the QA2 2 1 2 Series of programmable logic controller in solving the problem of multilayer spray deposition of the shape of the tube can be more effectively control the shape of the tube