Study on Shock-Stability and Shockproof Technology in Deep-Hole Boring on Lathe

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Study on Shock-Stability and Shockproof Technology in Deep-Hole Boring on Lathe

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- Study on Shock-Stability and Shockproof Technology in Deep-Hole Boring on Lathe
- 深孔镗削加工振动稳定性及防振技术研究
- Issue 4, Pages: 312-315(2008)
- 作者机构：
  
  中州大学工程技术学院
- 作者简介：
- 基金信息：
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- Published：2008
- 稿件说明：
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贺书乾. Study on Shock-Stability and Shockproof Technology in Deep-Hole Boring on Lathe[J]. 2008, (4): 312-315.
DOI：

贺书乾. Study on Shock-Stability and Shockproof Technology in Deep-Hole Boring on Lathe[J]. 2008, (4): 312-315. DOI：

摘要

对深孔(L/D5)镗削加工的过程进行数学建模.通过拉普拉斯变换后得到临界稳定下的系统特征方程

利用图解法作出深孔镗削加工振动的频率响应轨迹曲线

对深孔镗削时自激振动产生的机理和稳定条件进行了系统的理论分析和研究

指出了镗削加工过程中绝对稳定边界及稳定下的阻尼比取值范围;结合实验结论和长期积累的实践经验

给出了车床深孔镗削加工中切实可行的减振和防振措施

为机械加工技师和工程技术人员的实际工作提供了参考.

Abstract

A mathematical model is established for deep-hole(L/D5) boring process

and the system characteristic equation under critical stable conditions is obtained by Lapalace transforming.The frequency response for deep-hole boring process is analyzed by the method of graph.The mechanism of self-shock and the conditions of stability are theoretically studied

and the absolute stable border and the range of damping ratio are pointed out.Combining with the experimental results and practical experiences on boring profound holes

the paper puts forward some specific practical shock absorption and shockproof measures for deep-hole boring process.

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references

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韩步愈.金属切削原理与刀具[M].第2版.北京:机械工业出版社,2005:186-192.

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