铝套管锭子铝套管精加工专用夹具的设计和应用
2018-12-25 18:52:59   来源:   评论:0 点击:

为解决精车铝套管锭子铝套管外圆基准与半精车、粗车铝套管锭子外圆的基准不一致导致的杆盘组合件跳动超差、合格率低等问题,分析铝套管锭子结构、现有加工工艺及存在的问题,提出加工
谢  军
(湖南财经工业职业学院 机电工程系,湖南 衡阳  421002)
 
摘要:为解决精车铝套管锭子铝套管外圆基准与半精车、粗车铝套管锭子外圆的基准不一致导致的杆盘组合件跳动超差、合格率低等问题,分析铝套管锭子结构、现有加工工艺及存在的问题,提出加工工艺改进方法,并设计出铝套管锭子外圆精加工专用夹具。指出:铝套管锭子外圆精加工专用夹具使杆盘组合件跳动合格率提高不小于13.5%,改进后的工艺无磨锭盘外倒角工序,既能减轻工人劳动强度又能降低生产成本。
关键词:锭子;铝套管;杆盘组合件;跳动;专用夹具;精加工;加工基准
中图分类号:TS103.81+1         文献标志码:B       文章编号:1001-9634(2018)06-0014-03
 
收稿日期:2018-04-08
作者简介:谢  军(1976—),男,湖南衡阳人,高级工程师,主要从事锭子类和轴承类产品的开发、研究及机械教学方面的工作。
 
Design and Application of Special Fixture for Aluminum Sleeve Finishing Machining of Aluminum Spindle
    XIE Jun   
(Department of Mechanical and Electrical Engineering Hunan Financial & Industrial    Vocational Technical College,Hengyang 421002,China)
 
Abstract:In order to solve the problem with the spindle with finished turned cy-
lindrical aluminum sleeve such as the benchmark different from that for the semifinished turned cylindrical product resulting in excessive beat of the spindle assembly and low percentage of qualified product.Analysis is done to the problems with the existing machinied aluminum spindle structure and process,an improvement method is put forward,and special fixture is designed for the aluminum sleeve spindle cylindrical finish machining.It is pointed out that the special fixture device for finishing the outer circle of aluminum spindle can increase the runout qualification rate of the combined parts of the blade and whirl by no less than 13.5%.The improved process is of free grinding the outside chamfering process for the spindle whirl,consequently reducing the labor intensity and production cost.
Key Words:spindle;aluminum sleeve;blade and whirl assembly;runout;special fixture;finishing;processing benchmark
 
参考文献:
[1] 翁明.铝套管锭子割纱器可靠性探讨[J].纺织器材,2015,42(1):22-25.   
[2] 王先逵.机械制造工艺学[M].2版.北京:机械工业出版社,2017:180.   
[3] 兰建设.机械制造工艺与夹具[M].北京:机械工业出版社,2017:127.   
[4] 肖继德,陈宁平.机床夹具设计[M].2版.北京:机械工业出版社,2017:11.  
 

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