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成形砂轮超高频感应加热温度分布均匀性分析

童欣, 苏宏华, 徐九华, 陈燕

童欣, 苏宏华, 徐九华, 陈燕. 成形砂轮超高频感应加热温度分布均匀性分析[J]. 焊接学报, 2015, 36(2): 51-54.
引用本文: 童欣, 苏宏华, 徐九华, 陈燕. 成形砂轮超高频感应加热温度分布均匀性分析[J]. 焊接学报, 2015, 36(2): 51-54.
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TONG Xin, SU Honghua, XU Jiuhua, CHEN Yan. Uniformity of ultra-high frequency induction heating temperature distribution of grinding wheel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(2): 51-54.
Citation: TONG Xin, SU Honghua, XU Jiuhua, CHEN Yan. Uniformity of ultra-high frequency induction heating temperature distribution of grinding wheel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(2): 51-54.
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成形砂轮超高频感应加热温度分布均匀性分析

  • 南京航空航天大学机电学院, 南京 210016

基金项目: 国家自然科学基金资助项目(51275231);南京航空航天大学研究生创新基地(实验室)开放基金资助项目(kfjj130121)

Uniformity of ultra-high frequency induction heating temperature distribution of grinding wheel

  • College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China

摘要

    摘要
  • 摘要: 针对单层钎焊超硬磨料成形砂轮感应加热时存在的温度分布不均匀问题,文中提出将砂轮成形面简化为相应特征成形面进行研究,借助FLUX有限元仿真软件,重点分析了线圈与导磁体的结构尺寸对凹、凸两类特征面感应加热时温度分布的影响规律,进而以燕尾槽形单层超硬磨料成形砂轮为对象,优化了钎焊用感应器结构.采用优化的感应器结构对燕尾槽型成形砂轮进行感应加热试验,利用红外热像仪测量成形面的温度分布.结果表明,该方法得到的感应器结构能够有效提高成形面超高频感应加热温度分布的均匀性,成形面各处温差在50℃以内.
    Abstract: In order to solve the problem of the nonuniform temperature distribution in induction heating process of the superhard-abrasive form grinding wheel, the grinding surface was simplified to the corresponding characteristic forming surface. The influences of coil structure and the size of the magnetizer on the temperature distribution of concave and convex characteristic forming surface were analyzed by simulating the induction heating process with software FLUX. The structure of the inductor used for induction brazing of dovetail-furrow form wheel was optimized. Then the induction heating experiment of dovetail furrow form wheel was carried out, meanwhile, the temperature distribution of forming surface was measured by infrared thermal imager. The result showed that this method can realize uniform temperature distribution of forming surface, and the difference in temperature is lower than 50℃.
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    • 参考文献(6)
  • [1] Sung J C, Sung M. The brazing of diamond[J]. International Journal of Refractory Metals and Hard Materials, 2009, 27(2):382-393.
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    [3] 马伯江,徐鸿钧,肖冰.高频感应钎焊金刚石界面特征[J].焊接学报, 2005, 26(3):50-55. Ma Bojiang, Xu Hongjun, Xiao Bing. Interfacial characteristics of diamond brazed by high-frequency induction[J]. Transactions of the China Welding Institution, 2005, 26(3):50-55.
    [4] 卢金斌,徐九华,徐鸿钧,等. Ni-Cr合金真空钎焊金刚石界面反应的热力学与动力学分析[J].焊接学报, 2004, 25(1):21-24. Lu Jinbin, Xu Jiuhua, Xu Hongjun, et al. Thermodynamic studies on interfacial reactions between diamond and Ni-Cr filler metal in vacuum brazing[J]. Transactions of the China Welding Institution, 2004, 25(1):21-24.
    [5] Buhl S, Leinenbach C, Spolenak R, et al. Microstructure, residual stresses and shear strength of diamond-steel-joints brazed with a Cu-Sn-based active filler alloy[J]. International Journal of Refractory Metals and Hard Materials, 2012, 30(1):16-24.
    [6] 苏宏华,李奇林,徐九华,等.超高频微区感应钎焊中加热温度的影响因素[J].焊接学报, 2012, 33(12):13-17. Su Honghua, Li Qilin, Xu Jiuhua, et al. Study on influence factors of temperature in localized untra-high frequency induction brazing[J]. Transactions of the China Welding Institution, 2012, 33(12):13-17.[7] 李奇林.超高频连续感应钎焊高速砂轮[D].南京:南京航空航天大学, 2014.[8] Valery R, Don L, Raymond C, et al. Handbook of Induction Heat[M]. New York:Marcel Dekker Inc, 2003.
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  • 收稿日期:  2014-11-03

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