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渐开线斜齿轮短齿廓修形降噪分析*

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华希俊,杜航,解玄,黄伟平,田之翔,尹必峰,刘建芳.渐开线斜齿轮短齿廓修形降噪分析*[J].,2020,39(3):430-437
渐开线斜齿轮短齿廓修形降噪分析*
Analysis of Noise Reduction for Short Tooth Profile Modification of Involute Helical Gear
投稿时间：2019-07-23修订日期：2020-04-26
中文摘要:
目的汽车齿轮减速箱降噪方法本文基于专业的齿轮修形软件Kisssoft和多学科一体化软件LMS Virtual Lab，根据短齿廓修形可以改变渐开线斜齿轮的端面、轴向重合度的原理，比较了未修形和经过不同短齿廓修形方式达到特定重合度后的渐开线斜齿轮减速箱声功率级的大小。结果分析了转速在500r/min~2000r/min之间渐开线斜齿轮经过短齿廓修形后减速箱声功率级显著下降的原因，同时在2500r/min、3000r/min时经过短齿廓修形后渐开线斜齿轮减速箱声功率级并未明显下降。结论最后根据减速箱声功率级在500r/min~2000r/min之间的平均降幅，认为通过齿形鼓形修形使得渐开线斜齿轮的端面、轴向重合度分别为1.516、0.864时，减速箱声功率级降幅最大，降噪效果最好。
英文摘要:
Objective Reducing noise of automobile gearbox. Methods Based on the professional gear modification software Kisssoft and multi-disciplinary integration software LMS Virtual Lab, according to the principle that short gear profile modification can change the transverse contact ratio and overlap contact ratio of involute helical gears,the magnitude of the weighted total sound pressure level of involute helical gears reducer without modification and after different short gear profile modification methods to achieve a specific coincidence degree are compared in this paper. Results At the same time, analyses why the unweighted sound pressure level of involute helical gears after short gear profile modification decreases significantly between 500 r/min and 2000 r/min. When the speed are 2500 r/min and 3000 r/min, the unweighted sound pressure level of involute helical gears after short gear profile modification do not decrease significantly. Conclusion Finally, according to the average reduction of the unweighted sound pressure level of the reducer between 500 r/min and 2000 r/min, it is considered that the maximum reduction of the unweighted sound pressure level of the reducer is achieved when the transverse contact ratio and overlap contact ratio of the involute helical gears are 1.516 and 0.864 respectively through the tooth drum modification.
DOI：10.11684/j.issn.1000-310X.2020.03.016
中文关键词:有限元分析渐开线斜齿轮短齿廓修形端面、轴向重合度声功率级
英文关键词:Finite element analysisinvolute helical gearshort profile modificationtransverse contact ratio and overlap contact ratioSound power level
基金项目:1、无锡市产业前瞻性与共性关键技术研发项目WX18 Ⅱ AG405 2、镇江市重大科技专项ZD2018001 3、镇江市高技术研究重点实验室SS2018007 4、2017泰州市高层次创新创业科技支撑（110）5、国家自然科学基金（批准号51975252）
作者单位E-mail
华希俊江苏大学机械工程学院xjhua@ujs.edu.cn
杜航江苏大学机械工程学院742852762@qq.com
解玄江苏大学汽车与交通工程学院xiexuanujs@163.com
黄伟平无锡市神力齿轮冷挤有限公司 无锡shenli50@sina.com
田之翔江苏大学机械工程学院tianzhixiang1996@126.com
尹必峰江苏大学汽车与交通工程学院ybf@ujs.edu.cn
刘建芳江苏大学机械工程学院468489995@qq.com
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