锻压技术

基于FORGE-3D径向锻造工艺的数值模拟

英文标题：Numerical simulation of radial forging process based on FORGE-3D

作者：牛立群张琦解明杨德生李七平韩文科

单位：兰州兰石能源装备工程研究院有限公司甘肃省高端铸锻件工程技术研究中心西安交通大学

分类号：TG316

出版年,卷(期):页码：2017,42(2):167-171

摘要：

采用有限元模拟软件FORGE-3D，对径向锻造轴类件工艺参数进行数值模拟研究。分析不同径向压下量、夹头转速和轴向进给速度对锻透性和生产效率的影响。结果表明：锻造过程中,径向压下量越小、夹头转速越高和轴向进给速度越慢，则锻件外表面就越光滑，表面粗糙度越小，尺寸精度越高。径向锻打45钢Φ110 mm棒料的最佳条件为：径向压下量5 mm，转速30 r·min-1，轴向进给速度20 mm·s-1。通过模拟仿真来验证和优化径向锻造工艺，大大降低了径向锻造工艺开发的周期，降低了多次锻造实验的成本。

The process of radial forging shaft was numerically simulated by the finite element simulation software FORGE-3D, and the influences of the radial compression value, rotate speed of clamping chuck and axial feeding speed on forging penetration and production efficiency were analyzed. The results show that in the forging process, the smaller the radial compression value is, the higher the rotate speed of clamping chuck is and the slower the axial feed rate is, which results in the smoother forging appearance, smaller rough surface and higher dimensional accuracy. Therefore, the best radial forging process parameters of steel C45 bar with diameter Φ110 mm is determined with the radial compression value of 5 mm, the rotate speed of 30 r·min-1 and the axial feed speed of 20 mm·s-1. The radial forging process is verified and optimized by simulation, which greatly shortens the development cycle and saves costs of multiple forging experiments.

基金项目：

甘肃省科技计划资助项目（2015GS05896）

牛立群（1986-），男，硕士，助理工程师

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