文章摘要
魏冰阳,邓效忠,杨建军,宋艳丽.超声研齿换能器的设计与研齿试验[J].声学技术,2007,(4):767~770
超声研齿换能器的设计与研齿试验
Design and experiments of transducer-horn of ultrasonic lapping of gears
投稿时间:2006-03-29  修订日期:2006-07-05
DOI:
中文关键词: 超声研磨  螺旋锥齿轮  换能器  去除率
英文关键词: ultrasonic lapping  spiral bevel and hypoid gears  transducer-horn  material removal rate
基金项目:国家自然科学基金(50475060);河南省自科基金(0410052-300)
作者单位E-mail
魏冰阳 河南科技大学机电工程学院, 洛阳, 471003 bywei29@163.com 
邓效忠 河南科技大学机电工程学院, 洛阳, 471003  
杨建军 河南科技大学机电工程学院, 洛阳, 471003  
宋艳丽 河南科技大学机电工程学院, 洛阳, 471003  
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中文摘要:
      介绍了超声研齿的原理与方法,并将超声加工应用于齿轮研磨。利用力电类比和四端网络法,构建超声研齿换能器的等效网络图,通过电路运算,得到了换能器的频率方程与前后端面振速比的计算公式。据此设计了谐振特性良好的1/2波长超声换能器。进行了超声研齿与普通研齿对比试验,利用扫描电镜(SEM)图像分析了两者的材料去除机理。试验表明超声研齿材料去除率可达到普通研磨的3倍,且齿面质量明显提高,齿面粗糙度Ra低至0.2mm,水平截距c减小到1.2μm。
英文摘要:
      We introduce the method of ultrasonic lapping of bevel gears,and use ultrasonic machining in lapping of gears.Based on the principle of four-terminal networks,equivalent electric circuit diagrams of the transducer-horn are constructed by using mechano-electrical analogy.Equations for frequency and the amplification factor of the transducer-horn are derived from the equivalent circuit.Based on the expressions,a set of transducer-horn with favorable resonance performance has been designed.Experiments of the ultr-asonic and conventional lapping have been carried out,and the material removal mechanics analyzed with SEM photographs of tooth surfaces.The experiments show that the material removal rate of ultrasonic lapping is three times that of the conventional ones.Ultrasonic lapping also produces better tooth surface quality with roughness Ra=0.2mm,section height c=1.2 μm.
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