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为了保证多型芯铸件的尺寸精度和位置精度 ,设计了一种型芯的固定方案 ;为了保证下芯的平稳性设计了一种型芯吊具。经生产实践证明 ,这种型芯固定方法与吊具结构具有很好的使用性 ,大大降低了铸件废品率。
In order to ensure the dimensional accuracy and position accuracy of the multi-core castings, a core fixing scheme was designed. To ensure the stability of the core, a core spreader was designed. The production practice has proved that this core fixing method and the spreader structure has good usability, greatly reducing the casting reject rate.