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离心铸造球铁芯复合轧辊辊颈缩松的控制 被引量:1

Neck Shrinkage Control of Composite Rollers with Nodular Iron as Core Material
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摘要 对球铁芯复合轧辊冒口端辊颈缩松原因进行了分析。介绍几种控制辊颈缩松的措施及效果,包括:提高冒口铁液温度;增加二次冒口,用高碳铁液补注冒口,提高冒口液位并吹氧;提高砂箱刚度和型壁冷却能力;减少吃砂量。 The shrinkage reason of roller neck connecting with riser was analyzed. Some shrinkage controlling measures and their effects were introduced, including: increasing liquid iron temperature of the riser; adding secondary riser; re-pouring the riser with high CE iron liquid; controlling iron level and injecting oxygen; increasing rigidity and cooling capacity of the moulding box; reducing sand layer thickness.
出处 《现代铸铁》 CAS 2006年第6期31-33,共3页 Modern Cast Iron
关键词 球铁芯轧辊 缩松 补缩 roller with nodular iron core shrinkage feeding
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