The grain size at a bending part is ensured by using the cold bending method.
采用冷弯方法，可以保证弯曲部位的晶粒度。
The results of FEA method for cold-bending elbow predicted that the point of maximum stress is transferred from intrados to extrados with the increase of the wall thinning.
并应用有限元方法分析了冷弯弯头的应力状况，得出其最大应力发生点随着外拱处壁厚减薄量的增大而向外拱处转移。
This paper put forward a semi-analytic semi-numeric method to analyze the cold bending of the hubcap.
该文提出一种半解析半数值的分析方法，对汽车轮辋挡圈的冷弯过程进行了分析。
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