工艺参数对GH4169壁厚渐变锥形回转件热强旋成形壁厚均匀性的影响
PDF下载 (4730)岑泽伟,束学道,叶博海,徐振威.工艺参数对GH4169壁厚渐变锥形回转件热强旋成形壁厚均匀性的影响[J].宁波大学学报(理工版),2021,34(1):33-38.DOI:
CEN Zewei,SHU Xuedao,YE Bohai,XU Zhenwei.The influence of process parameters on the uniformity of wall thickness of GH4169 tapered rotary parts with gradual wall thickness[J].Journal of Ningbo University(Natural Science & Engineering Edition),2021,34(1):33-38.DOI:
| Title: | The influence of process parameters on the uniformity of wall thickness of GH4169 tapered rotary parts with gradual wall thickness |
| 作者: | 岑泽伟, 束学道, 叶博海, 徐振威 |
| Author(s): | CEN Zewei, SHU Xuedao, YE Bohai, XU Zhenwei |
| 关键词: | 热强力旋压; 壁厚渐变锥形回转件; 壁厚均匀性 |
| Keywords: | GH4169; hot strong spinning; tapered rotary parts with gradual wall thickness; uniformity of wall thickness |
| 分类号: | TG335.19 |
| 文献标识码: | A |
| 摘要: | 以GH4169高温合金为材料, 在Deform-3D软件中建立了壁厚渐变锥形回转件热强力旋压有限元模型. 通过正交试验法, 研究分析各工艺参数对工件整体壁厚偏差影响程度的先后次序, 并得到最优工艺参数组合. 结果表明, 各工艺参数对工件整体的壁厚偏差影响的主次关系依次为: 旋轮圆角半径、旋压温度、旋轮进给比、芯模转速; 最优工艺参数组合为: 旋压温度1000℃, 旋轮圆角半径4mm, 芯模转速240r?min-1, 旋轮进给比0.3mm?r-1. 通过热强力旋压实验, 对比分析实验结果和仿真结果发现, 两者趋势相同, 整体壁厚偏差平均值误差为14%, 表明仿真模拟可靠, 可为壁厚渐变锥形回转件精确成形提供参考. |
| Abstract: | Using GH4169 superalloy as material, the finite element model of hot and strong spinning of tapered rotating parts with gradual wall thickness is established in Deform-3D software. Through the orthogonal test method, the order of the influence of various process parameters on the overall wall thickness deviation of the workpiece is studied and analyzed, and the optimal combination of process parameters is obtained. The results show that the influence of various process parameters on the overall wall thickness deviation of the workpiece is in the order as follows: the radius of the spinning wheel, the spinning temperature, the feed ratio of the spinning wheel, and the speed of the mandre. The optimal combination of process parameters is that the spinning temperature is 1000℃, the radius of the spinning wheel is 4mm, the speed of the mandre is 240r?min-1, and the feed ratio of the spinning wheel is 0.3mm?r-1. The hot strong spinning experiment is conducted to compare to the simulation results. The experiment results agree with the simulation results in trend. The average deviation error of the overall wall thickness is 14%, which verified the reliability of the simulation and provided a reference for the accurate forming of tapered rotary parts with gradual wall thickness. |
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| 备注/Memo: | 收稿日期: 2020－05－09. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/基金项目: 国家自然科学基金（51475247）; 浙江省自然科学基金重点项目（LZ17E050001）.第一作者: 岑泽伟（1995－）, 男, 浙江慈溪人, 在读硕士研究生, 主要研究方向: 金属塑性成形技术. E-mail: 308221204@qq.com*通信作者: 束学道（1968－）, 男, 安徽舒城人, 博导/教授, 主要研究方向: 零件轧制成形技术. E-mail: shuxuedao@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
