This article analyses the influence of the support of oil film vibration damping of the main spindle on cutting degree of roughness through cutting test.
本文通过粗糙度切削试验，分析讨论了车床主轴油膜减振支承对其加工粗糙度的影响。
2
A test method of torque synchro rotor quadrature axle damping short-loop loss and current was introduced.
介绍力矩式自整角机转子交轴阻尼短路环损耗和电流的一种测试方法。
3
Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test.