It is easy to cause various defects while using small cupola to smelt the nodulargraphiteiron.
采用小型冲天炉熔炼球铁,易于产生各种缺陷。
2
The production of light nodulargraphiteiron parts with high ductility in investment casting was expounded in all aspects including both technological analysis and processing control.
对熔模精密铸造高韧度球墨铸铁小件的生产,从工艺分析到生产过程的控制进行阐述。
3
The effect of graphite floatation on mechanical property of nodulargraphite cast iron was studied.