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本文对NHKG公司的φ140斯第菲尔轧机在穿制管坯时发生轧卡的原因进行了分析.根据分析的结果,建议改进变形区的几何计算方法.经车间试行后认为,新的轧辊孔型确实能够减少穿孔时的轧卡事故.
In this paper, NHKG’s φ140 Sidifel Mill rolling blank tube wear occurs when the reasons are analyzed.According to the results of the analysis, it is proposed to improve the geometric calculation of the deformation zone.After the workshop trial that the new roll hole Type can indeed reduce the punch card when the accident.