双回路线圈连续移动感应加热的数值分析

doi:10.13251/j.issn.0254-6051.2022.08.017

金属热处理 ›› 2022, Vol. 47 ›› Issue (8): 105-111.DOI: 10.13251/j.issn.0254-6051.2022.08.017

双回路线圈连续移动感应加热的数值分析

谌卓豪¹, 谢晖^1,2

1.湖南大学汽车车身先进设计制造国家重点实验室, 湖南长沙 410082;
2.大捷智能科技(广东)有限公司, 广东佛山 528225

收稿日期:2022-04-01 修回日期:2022-07-01 出版日期:2022-08-25 发布日期:2022-09-19
通讯作者: 谢晖,教授,博士,E-mail:danielxie@163.com
作者简介:谌卓豪(1996—),男,硕士研究生,主要研究方向为汽车模具表面淬火,E-mail:chenzh2022@163.com。
基金资助:
湖南省创新型省份建设专项(2019GK5018);佛山广工大研究院创新创业人才团队计划(2019年);佛山市科技创新项目(1920001000041)

Numerical analysis of continuous moving induction heating with dual-loop coil

Chen Zhuohao¹, Xie Hui^1,2

1. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha Hunan 410082, China;
2. Agile Intelligent Technology (Guangdong) Co., Ltd., Foshan Guangdong 528225, China

Received:2022-04-01 Revised:2022-07-01 Online:2022-08-25 Published:2022-09-19

摘要/Abstract

摘要： 采用有限元数值计算方法,以带导磁体的双回路线圈为热源,建立电磁场与温度场双向耦合的连续移动感应加热模型,研究模具整形面和刃口在双回路线圈感应加热时的温度分布。结果表明,使用双回路线圈连续移动感应淬火可以得到稳定的模具淬火温度;模具整形面淬火时,集肤深度内热量主要来自感应涡流产生的焦耳热,温升曲线表现为带预热的双峰曲线,集肤深度外热量主要来自高温区的热传导,温升曲线表现为单峰曲线;模具刃口淬火时,有比较明显的尖角效应,温升曲线表现为单峰曲线。

关键词: 双回路线圈, 感应加热, 数值分析

Abstract: Adopting the finite element numerical calculation method, a continuous moving induction heating model of electromagnetic field coupled with temperature field was established by taking the dual-loop coil with a magnetizer as the heat source. The temperature distributions of the shaping surface and cutting edge of die during the induction heating with a dual-loop coil were studied. The results show that stable die quenching temperature can be obtained by continuous moving induction heating with the dual-loop coil. When the shaping surface of the die is quenched, the heat in the skin depth mainly comes from the joule heat generated by the induction eddy current, and its temperature rising shows a double-peak curve with preheating, while the heat outside the skin depth mainly comes from the heat conduction in high temperature region, of which temperature rising curve shows a single-peak. When the cutting edge of the die is quenched, there is an obvious sharp angle effect, of which temperature rising curve shows a single-peak.

Key words: dual-loop coil, induction heating, numerical analysis

中图分类号:

TG15

谌卓豪, 谢晖. 双回路线圈连续移动感应加热的数值分析[J]. 金属热处理, 2022, 47(8): 105-111.

Chen Zhuohao, Xie Hui. Numerical analysis of continuous moving induction heating with dual-loop coil[J]. Heat Treatment of Metals, 2022, 47(8): 105-111.

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双回路线圈连续移动感应加热的数值分析

Numerical analysis of continuous moving induction heating with dual-loop coil

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