锻压技术

旋转锻造成形技术研究现状

英文标题：Research status of rotary forging technology

作者：张琦母东靳凯强张以升马鹏举刘勇

分类号：

出版年,卷(期):页码：2015,40(1):1-6

摘要：

旋转锻造是一种用于棒料、管材或线材精密制造的渐进近净成形工艺，具有加工范围广、加工精度高、产品性能好、材料利用率高和生产灵活性大等优点，广泛应用于航空航天、汽车制造等领域。介绍了国内外旋转锻造设备的研制现状，对旋转锻造成形数值模拟技术的最新研究进行了概括，概述了空心轴类件、非回转类零件的旋转锻造成形技术，阐述了在焊接性能较差的材料以及不易结合界面的旋转锻造塑性连接技术，并介绍了旋锻工艺优化设计方面新的进展。

Rotary forging is an incremental net-shape-forming process for manufacturing bars, tubes or wires，which has significant attributes of wide applications, excellent fabricating accuracy, good product performance, efficient material utilization and high production flexibility，and has been widely used in aeronautic and automotive industries. The development status of rotary forging machines were introduced, and the new researches of finite element simulation for the rotary forging were generalized, and the rotary forging of hollow shafts and non-axisymmetric parts were also related. Moreover, research on the joining technology by rotary forging was summarized, when the welding performance of the material is poor or the interface is not easy to be combined. The new progress of optimization design for rotary forging was also introduced.

基金项目：

国家科技重大专项资助项目“高档数控机床与基础制造装备”（2014ZX04001021）;苏州市科技项目(SYG201137)

张琦（1978-），男，博士，副教授

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