锻压技术

基于Deform 3D的风机主轴空心轴预制坯成形优化

英文标题：Forming optimization on hollow shaft preform of wind turbine spindle based on Deform 3D

作者：赵顺治景财年林涛刘磊张志浩

分类号：TG316

出版年,卷(期):页码：2022,47(6):47-54

摘要：

基于有限元分析软件Deform3D建立了42CrMo4钢风机主轴1∶10等比例缩小的热力耦合三维有限元模型。为了对风机主轴空心轴预制坯进行成形优化，设计了一套专用于风机主轴空心轴预制坯锻造的新型模具。在Deform3D中将常规风机主轴坯料模锻成形过程与采用新型模具的风机主轴空心轴预制坯成形过程进行等条件对比研究，分别从法兰端成形效果、轴身下料量以及等效应变、金属流动速度场、主轴所需成形力等的变化规律方面进行参数对比研究，验证了采用新型模具成形风机主轴空心轴预制坯的可行性，为优化风机主轴空心轴的实际生产流程提供了一定的参考。

Based on finite element analysis software Deform\|3D, a three\|dimensional thermal\|mechanical coupling finite element model of 42CrMo4 steel wind turbine spindle with equal scale reduction of 1∶10 was established, and a set of new mold for hollow shaft preform forging of wind turbine spindle was designed in order to optimize the forming of hollow shaft preform for wind turbine spindle. Then, in Deform\|3D, the conventional forging process of wind turbine spindle blank was compared with the forming process of hollow shaft preform for wind turbine spindle using the new mold under the same conditions, and the parameters were compared and studied from the aspects of flange end forming effect, cutting amount of shaft body and changing laws of equivalent strain, metal flow velocity field, forming force required by spindle etc., and the feasibility of using the new mold to form hollow shaft preform for wind turbine spindle was verified, which provided a certain reference for optimizing the actual production process of hollow shaft for wind turbine spindle.

基金项目：

济南市“高校20条”资助项目（2018GXRC025）

赵顺治（1997-），男，硕士研究生 Email：1753783278@qq.com 通信作者：景财年（1973-），男，博士，教授 Email：jcn@sdjzu.edu.cn

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