nodular cast iron pipe

基本解釋

The forming mechanism of pinhole defect in no-solvent polyurethane coat on centrifugal nodular cast iron pipe is analyzed, some effective measures to eliminate offered.
分析了離心球鐵管無溶劑聚氨酯涂層針孔缺陷形成的機理，給出了消除這一缺陷的有效措施。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
復合管從里到外由氧化鋁陶瓷層、金屬過渡層、白口鑄鐵層、碳原子擴散層、球墨鑄鐵層組成。
It is introduced the design principal and operation method of CAD software for vanishing-mould casting process of nodular cast iron pipe. It can raise the design efficiency and precision.
介紹了球墨鑄鐵管件消失模鑄造工藝的計算機輔助設計CAD軟件的設計原理、操作方法，該CAD軟件可提高消失模鑄造球鐵管件的工藝設計效率和設計精度。