锻压技术

重型热挤压工艺与装备技术综述

英文标题：Research progress on heavy-duty hot extrusion process and equipment technology

单位：1.内蒙古北方重工业集团有限公司 2.清华大学机械工程学院 3.中国机械总院集团北京机电研究所有限公司

分类号：TG37

出版年,卷(期):页码：2025,50(3):1-13

摘要：

重型挤压成形的三向压应力状态，使其在大规格难变形金属成形同步改性上具有独特的技术优势，决定着重型挤压产业的竞争力，是世界强国博弈的重要科技领域。从大规格、高性能难变形金属制件改性成形机理出发，归纳总结了国内36万吨垂直挤压机立项以来重型挤压工艺与重型挤压装备技术进展，包括重型挤压成形工艺技术、低塑性金属挤压成形工艺技术、重型挤压装备技术、典型产品开发与应用等，分析了各技术现状和需要继续研究的方向，旨在为关键领域核心制件的极端成形制造自主可控提供技术支撑。

The triaxial compressive stress state of heavy extrusion forming provides unique technical advantages in the simultaneous modification of largescale difficult-to-deform metals, determining the heavy-duty extrusion industrial competitiveness and serving as a crucial technological field in the global technological competition among leading nations- Starting from the modification and forming mechanism of large-scale, high-performance and difficult-to-deform metal components, the technological advancements in heavy extrusion process and equipment since the establishment of the domestic 360 MN vertical extrusion press project were summarized These advancements included technologies for heavy-duty extrusion forming, low-plasticity metal extrusion forming, heavy-duty extrusion equipment and development and application of typical products The current status of each technology and the directions for further research were analyzed, aiming to provide technical support for the independent control of extreme forming manufacturing of core components in critical fields.

基金项目：

国防基础科研计划（JCKY2022208A002）

作者简介：雷丙旺(1966-),男,博士,正高级工程师 E-mail：leibingwang@163.com

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