我厂原设计有大小板式给矿机19台，除4台1－5m板式给矿机从澳大利亚进口以外，其余均为国产板式给矿机，这种设备一直沿袭50年代苏联产品，事故较多。而4台进口NICO铁板运行非常平稳。1991年我们找到了华东船舶学院研制的新型铸造板，这种槽形板采用整体铸造，圆弧啮合良好，能 I plant the original design of the plate to the size of 19 miner, in addition to four 1-5m plate miner to import from Australia, the rest are domestic plate feeder to mine, this equipment has been followed in the 50’s Soviet products, more accidents . The 4 imported NICO iron plate is running very smoothly. In 1991 we found the East China Shipbuilding Institute developed a new cast plate, the trough plate with a whole casting, arc engagement well, can