Through rationally designing ingate /riser system and effectively using the lunkerite proportion, shrinkage hole and low production yield were eliminated effectively.
缩孔和钢水利用率偏低是目前精铸行业普遍存在和急需解决
问题。
口孔，马头
；内浇口；输Through rationally designing ingate /riser system and effectively using the lunkerite proportion, shrinkage hole and low production yield were eliminated effectively.
缩孔和钢水利用率偏低是目前精铸行业普遍存在和急需解决问题。
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，
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