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Method of manufacturing a grill-type support comprising two different materials and capable of being initially rigid, while allowing differential thermal expansions after installation
Method of manufacturing a grill-type support comprising two different materials and capable of being initially rigid, while allowing differential thermal expansions after installation
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机译:制造包括两种不同材料并能够初始坚固的格栅型支架的方法,同时在安装后允许不同的热膨胀
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摘要
A method of manufacturing a grill-type support suitable to act as a support and tube spacing member for steam generators (particularly natural circulation steam generators for pressure water reactors), heat exchangers and the like, wherein the actual lattice of the grid comprises strips having a certain thermal expansion, whereas the frame is made of another material having different thermal expansion, and during assembling the outer frame is connected to the strips, so as to be fast therewith and remains so for all the time required for manufacture, transport and erection, whereas as soon as said generator is set to work said strips of different material can slide relative to said frame, so that, said frame while surrounding and supporting such strips, allows a different thermal expansion for said central strips and frame.
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