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泄洪洞孔板衬套铸造工艺中国船舶总公司１２研究所（兴平７１３１０２）马敏团黄河水利枢纽工程建管局机电处陈洪伟泄洪洞孔板衬套是水电站枢纽工程中用于消解水能的重要部件，单块结构为一孤形板类件（图１），材质为含铬２７％的高铬铸铁，表面粗糙度Ｒａ＞１２．５，尺...
Spillway hole orifice casting process 12 China Institute of Shipbuilding Corporation (Xingping 713102) Ma Minuan Yellow River Water Resources Project Construction and Construction Bureau Electrical and Mechanical Services Department Chen Hongwei spillway hole plate bushing is used in hydropower station digestion of water energy Important parts, a single block structure is a solitary plate type (Figure 1), the material is 27% chromium chromium cast iron, surface roughness Ra> 12.5 ...