PROBLEMS AND COUNTERMEASURES FOR “1+3” ROUGH ROLLING PROCESS
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摘要: 针对热轧粗轧道次由原有的“3+3”轧制变更为“1+3”轧制后,“1+3”工艺在使用过程中产生的扣头、头尾窄尺等一系列问题。通过理论分析和现场试验,较为彻底地解决了新工艺使用后带来的部分问题,为“1+3”工艺的顺利使用奠定了基础,保证了热轧极薄规格产品和冷轧深冲系列钢板的生产开发。Abstract: In accordance with a series of problems,such as down bend head and narrowing head and tail ends in the process of “1+3” rough rolling after the original rough rolling pass scheme of “3+3” is replaced by that of “1+3”,a part of problems caused by the use of new technology had been thoroughly solved through theoretical calculation and site experiments.It laid the foundation for the application of the “1+3” process and ensured the production and development for a series of hot rolled thin sheet and cold rolled deep-drawing sheet products.
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Key words:
- rolling pass /
- 1+3 hot rolling technology /
- down bent /
- narrow width
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