侧边正弦形调磁极片磁力齿轮的齿槽转矩分析  

Cogging Torque Analysis of Side Sinusoidal Pole Plate Magnetic Gears

作　　者：杨超君[1] 尹旭东 张威风 阮孙意 周铭杰 孙现友 YANG Chaojun;YIN Xudong;ZHANG Weifeng;RUAN Sunyi;ZHOU Mingjie;SUN Xianyou(School of Mechanical Engineering,Jiangsu University,Zhenjiang 212013,China)

机构地区：[1]江苏大学机械工程学院,镇江212013

出　　处：《组合机床与自动化加工技术》2023年第9期160-163,168,共5页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家自然科学基金项目(51875254)。

摘　　要：为了减小磁力齿轮的齿槽转矩,削弱工作时的转矩波动,使磁力齿轮拥有更高的传动效率,应用于更多场合。在分析了磁力齿轮齿槽转矩的形成过程及波形变化趋势提出了一种侧边正弦形调磁极片结构。首先,对侧边正弦调磁极片中能影响齿槽转矩大小的结构参数进行设定;其次,模拟分析设定的调磁极片结构参数对齿槽转矩大小影响的具体趋势,得出调磁极片开槽率、调磁极片径向厚度和正弦曲线幅值对磁力齿轮齿槽转矩大小影响的曲线图,并将传统的扇形与侧边正弦形调磁极片进行对比。根据仿真模拟得到的最佳参数制作了样机,并通过实验验证了在一定输入转速和负载下,磁力齿轮应用侧边正弦形调磁极片相对于扇形调磁极片的输入转矩波动减小了14.67%,输出转矩波动减小了4.80%。实验结果表明,侧边正弦形调磁极片可有效减小齿槽转矩,削弱转矩波动,提高了磁力齿轮的传动效率和使用寿命。In order to reduce the cogging torque of the magnetic gear,weaken the torque fluctuation during work,so that the magnetic gear has higher transmission efficiency and is used in more occasions.In this paper,the formation process and waveform variation trend of cogging torque of magnetic gear are analyzed,and a side sinusoidal pole plate structure is proposed.Firstly,the structural parameters in the side sinusoidal pole piece that can affect the cogging torque are set.Secondly,the specific trend of the influence of the structural parameters of the set magnetic pole plate on the cogging torque is simulated and analyzed,and the curve of the influence of the grooving rate,radial thickness and sinusoidal curve amplitude on the cogging torque of the magnetic gear is obtained,and the traditional sector and the side sinusoidal pole are compared.According to the best parameters obtained by simulation,the prototype was made,and it was verified by experiments that under a certain input speed and load,the input torque fluctuation of the sinusoidal pole piece on the side of the magnetic gear application was reduced by 14.67%compared with the sector pole piece,and the output torque fluctuation was reduced by 4.80%.The experimental results show that the side sinusoidal magnetic pole piece can effectively reduce the cogging torque,weaken the torque fluctuation,and improve the transmission efficiency and service life of the magnetic gear.

关 键 词：侧边正弦 齿槽转矩 正弦曲线幅值 开槽率 转矩波动 

分 类 号：TH162[机械工程—机械制造及自动化] TG502[金属学及工艺—金属切削加工及机床]