涡轴发动机减速器中间齿轮的设计改进
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摘要
介绍了由第一级从动齿轮和第二级主动齿轮共轴组成的中间齿轮 ,由于电子束焊接后 ,影响已精加工好的小轮 (33齿 )齿形、齿向 ,使产品的报废率增高。通过设计改进、改变局部结构及焊缝位置 ,解决了多年来未解决的工艺难题。通过试验证明 ,改进结构后的电子束焊接对小轮的齿形、齿向几乎没有影响。使产品质量明显提高。
This article introduces the middle gear composed of the first stage driven gear and the second stage driving gear sharing the same shaft. The middle gear has high risks of scrap of the fine-machined small gear shape and direction from electric beam welding. By improving the design of local construction and welding location, the problem is solved. Tests on 6~7 sample parts indicate that the improved electric beam welding has now limited effect on small gear shape and direction. The product quality has been greatly improved.
引文
[1] 中国机械工程学会,焊接学会,焊接结构设计与制造(XV)委员会编制.焊接结构设计手册[M].北京:机械工业出版社,1990.
    [2] 张阿舟.振动控制工程[M].北京:航空工业出版社,1989.
    [3] 刘更.结构动力学有限元程序设计[M].北京:国防工业出版社,1993.
    [8] 郑治真.波谱分析基础[M].北京:地震出版社,1979.

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