The economic and technical results received from the improvement in the layout of the progressive die for the steel core of the sealingbar were stated.
阐述了密封条钢芯级进模排样的改进对模具结构的影响，以及所带来的经济、技术方面的变化特点。
2
It is ideal for sealing all the random gaps between dummy bar head and mould copper plate, to prevent the hot metal infiltration and break out while casting.
非常适合于引锭头与结晶器铜板之间无规则缝隙的密封，防止开浇时渗、漏钢的现象的出现。
3
After sealed by sealing rope, it is essentially solid-free with residue between dummy bar head and mould copper plate, no damage to the copper plate and easy to clean.