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湖州吉凯思检测服务有限公司

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№ CN122913406AInvention
Unknown

一种回转体钢锻件的胎模锻造成型工艺

本发明公开了一种回转体钢锻件的胎模锻造成型工艺，主要适用于500kg以内的法兰轴钢锻件。该工艺包括：对钢坯进行自由锻开坯；配置分体式胎模套装；将开坯后坯料加热保温；对坯料轴身区域进行局部降温，形成轴向梯度温度场；将坯料放入预锻下模进行预锻，利用低温轴身段的变形抗力约束金属向法兰径向及过渡圆角处流动；将预锻件转移至终锻下垫板进行终锻成型，终锻过程中沿锻件轴向施加脉冲磁场；终锻后冷却定型。本发明还公开了用于上述工艺的胎模锻造装置。本发明通过梯度温度场与脉冲磁场的协同作用，使法兰根部纤维流线连续包覆、心部组织致密、周向性能均匀，有效提高了回转体钢锻件的力学性能与材料利用率。

❖浙江杰德机械科技有限公司; 浙江丰诚智能科技有限公司; 湖州吉凯思检测服务有限公司沈傢豪; 汤敏僧; 刘妙玲; 姚婷婷; 沈宇程; 廉荣光; 陶树洲; 夏营帅; 施银春; 刘少才Oct 16, 2026§ 2/9 ClaimsB21J 5/00 (2006.01), B21J 13/02 (2006.01), B21K 29/00 (2006.01)39