空心钢锭的制造技术

摘要

用空心钢锭制造大型筒体锻件具有质量高、材料利用率高、能耗低和流程短等用实心钢锭无法比拟的优势。总结了国内外空心钢锭的制造技术水平和应用现状，重点讨论了当前国内空心钢锭铸锭及锻造技术的研究成果以及不足，指出了尚需重点研究的方向。%Compared with solid ingot ,hollow ingot used in heavy cylinder forging can get higher production quality and material utili-zation rate ,lower energy consumption and cost .This paper summarized the technical level and application status of the hollow ingot at home and abroad ,emphatically discussed the achievements and shortcomings of the current domestic hollow ingot forging technol-ogy ,pointed out the directions that still need to focus on .