When the runner cup is used, the inner steppedhole arranged at the bottom of the runner cup is inserted into the downsprue of the lost foam.
使用时只需将浇口杯底部的内台阶孔插在消失模的直浇道上即可。
2
The blank design principle and method for rolling ring with steppedhole is developed based on the volume flow law and the comparison to the rin…
基于阶梯孔环件轧制体积流动规律，提出了阶梯孔环件轧制用毛坯设计原理和方法，并进行了轧制实验验证。
3
The blank design principle and method for rolling ring with steppedhole is developed based on the volume flow law and the comparison to the ring rolling experiment is …