摘要
本文对机制工艺学“自激振动实验”所采用的“削扁镗杆”所存在的结构问题进行了分析，从而提出改进方案，并论证了其方案的合理性、可靠性。
A structural analysis of the flatted boring bar used in the pedagogic experiment 'self excited vibration' is given.An improved design along with a discussion on its rationality and reliability are presented.
关键词
振型耦合
机械制造
削扁镗杆
自激振动
self excited vibration
rigid main spindle
vibrative mode coupling
