非晶带材磁性卷取辊吸附特性数值模拟

doi:10.13700/j.bh.1001-5965.2014.0180

北京航空航天大学学报 ›› 2015, Vol. 41 ›› Issue (3): 472-478.doi: 10.13700/j.bh.1001-5965.2014.0180

非晶带材磁性卷取辊吸附特性数值模拟

宋言明, 杨洋

北京航空航天大学机械工程与自动化学院, 北京 100191

收稿日期:2014-04-03 出版日期:2015-03-20 发布日期:2015-04-02
通讯作者: 杨洋(1962—),男,陕西岐山人,教授,yang_mech@buaa.edu.cn,主要研究方向为自动机械装备设计与控制. E-mail:yang_mech@buaa.edu.cn
作者简介:宋言明(1981—),男,山东招远人,博士生,sym0823@163.com

Numerical simulation of adsorption characteristics of magnetic take-up roll for amorphous ribbon

SONG Yanming, YANG Yang

School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

Received:2014-04-03 Online:2015-03-20 Published:2015-04-02

摘要/Abstract

摘要： 卷取辊(TUR)是非晶带材自动化生产线中的一个关键部件,卷取辊的起卷效率决定带材质量及生产效率.由于起卷过程中非晶带材运行线速度较高且受到不同的阻力,卷取辊需要提供足够的吸附力用来满足不同的阻力条件.根据带材生产工艺需求,设计出钕铁硼(NdFeB)永磁吸附型磁性卷取辊结构.利用有限元方法对不同起卷卷取步骤中的磁吸附特性进行分析,得到了磁性卷取辊在不同气隙下各个方向上的磁吸附力变化趋势云图和磁场分布.计算结果表明,气隙小于30 mm时,在给定的空间范围内,磁性卷取辊磁吸附力能够克服各个阻力完成起卷卷取过程.最终,通过现场实验验证了不同气隙下的最大磁吸附力与仿真结果变化趋势一致.

关键词: 非晶带材, 永磁铁, 卷取辊, 吸附力, 气隙

Abstract: Take-up roll (TUR) is a key component in amorphous ribbon automatic production line. Take-up rate of TUR determines the ribbon quality and production rate. Because the line speed of amorphous ribbon in the ribbon process is fast and the amorphous ribbon suffers from different resistance, TUR should generate enough adsorption force to overcome the different resistance conditions. According to the requirements of ribbon production process, the structure of magnetic TUR with NdFeB permanent magnet was proposed. The finite element method was used to analyze magnetic adsorption characteristics in different ribbon steps. The magnetic adsorption force contour and magnetic field distribution were obtained along different axes under different air gaps. The calculation results show that the magnetic TUR can supply enough adsorption force to take up the ribbon when air gap is smaller than 30 mm in specification range. Finally, the maximum magnetic adsorption force under different air gaps were measured by spot tests. It is verified that the test result is consistent with the simulation result.

Key words: amorphous ribbon, permanent magnet, take-up roll, adsorption force, air gap

中图分类号:

V19
TF33

宋言明, 杨洋. 非晶带材磁性卷取辊吸附特性数值模拟[J]. 北京航空航天大学学报, 2015, 41(3): 472-478.

SONG Yanming, YANG Yang. Numerical simulation of adsorption characteristics of magnetic take-up roll for amorphous ribbon[J]. , 2015, 41(3): 472-478.

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非晶带材磁性卷取辊吸附特性数值模拟

Numerical simulation of adsorption characteristics of magnetic take-up roll for amorphous ribbon

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