浇口杯是漏斗形的外浇口,成为直浇道顶部的扩大部分。其作用是承接来自浇包的金属液,防止飞溅和溢出,方便浇注;
减少金属液对铸型的直接冲击;可撇去部分熔渣、杂质、阻止其进入 直浇道内;提高金属液静压力。
Sprue cup is a funnel-shaped enlarged part on the top of sprue runners.Its function is to receive metal liquid from the pouring ladle,prevent splashing and overflow,and reduce the direct impact of molten metal to the casting mold.
It also can remove some slag and impurities entering the sprue,
and increase the hydrostatic pressure of the molten metal.