Because of the complicated mechanic structure of this lathe and the special motion, dynamic unbalance appears in notch-cutting machine rotor.
由于该机床本身复杂的机械结构和特殊的运动规律,导致在实际运行过程中切槽机转子出现了动不平衡现象。
参考来源 - YD4140型切槽机转子的动平衡及仿真研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper introduced the mechanic structure, characteristics, working principle and experiment methods.
介绍了它们的机械构造、工作原理、性能特点及其磨料试验方法。
A simple and feasible low-cost experimental system has been designed and made by using the lateral moving structure of the old-fashioned needle-type printer as the basic mechanic structure.
利用旧式针式打印机的横向走行结构，作为倒立摆的基本机械结构，设计并制作一种简单可行的低成本倒立摆实验系统。
An important mechanic parameter in masonry structure is the modulus of elasticity.
砌体结构中的一个重要力学参数是弹性模量。
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