CAJ | 학술논문

张力是冷连轧过程中的一个重要轧制参数.在动态变规格时,带钢出口厚度需要从一个规格变化到另一个规格,各点的张应力不再相同,稳态时建立的连轧张力公式不再适用.针对某冷轧厂控制系统动态变规格时张力计算影响生产的情况,在稳态冷连轧张力公式的基础上,推导了动态变规格过程楔形区的张力计算公式和任意形状过渡区的张力计算公式.通过仿真实验分析了动态变规格过程张力设定值的变化规律,得到了对非稳态条件下张力控制有意义的结论,对于提高成材率有重要价值.
장력시랭련알과정중적일개중요알제삼수.재동태변규격시,대강출구후도수요종일개규격변화도령일개규격,각점적장응력불재상동,은태시건립적련알장력공식불재괄용.침대모랭알엄공제계통동태변규격시장력계산영향생산적정황,재은태랭련알장력공식적기출상,추도료동태변규격과정설형구적장력계산공식화임의형상과도구적장력계산공식.통과방진실험분석료동태변규격과정장력설정치적변화규률,득도료대비은태조건하장력공제유의의적결론,대우제고성재솔유중요개치.
The varying problem of the output thickness of strip in the FGC rolling process,and the modelling problem of tension computing are discussed.To the situation that the tension calculation of the control system influences the production badly of the FGC process of a cold rolling mill,based on the tension computing formular in regular rolling,the tension mathematic models for wedged strip and random shape strip in FGC are built.With the simulation experiment of the FGC processes,some principles of tension computing and conclusions of tension controlling are obtained.These results would be valuable for the arising of the strip production.