提出一种在转子上设置虚拟支承的方法，以保证弧齿锥齿轮的啮合稳定性，并采用传递矩阵法，建立了弧齿锥齿轮-转子系统的振动模型。
This paper presents a method of providing a virtual support for the rotor to assure the meshing stability of a pair of a pre determined spiral bevel gears in rotation.
将系统振动模态分为耦合模态与弧立模态，由数组相互耦合的模态张成耦合模态子空间。
The vibration modes are divided into two classes:separated and coupled. The coupled-mode subspace is spanned by the groups of coupled modes.
实验结果表明，附加超声振动能改善放电间隙状态，减少短路、拉弧现象，提高了材料的去除率。
Experimental results show that the discharging gap is improved and the frequency of short circuit is reduced when ultrasonic vibration is added.
振动埋弧焊工艺是一种在焊接过程中通过给焊件施加振动来改善焊接性能的新工艺。
Vibratory submerged arc welding is a new welding process to improve welding quality by applying vibration on plate.
试验结果表明，振动埋弧焊工艺能有效地降低焊接残余应力和变形，并细化晶粒。
The results of test showed that vibratory submerged arc welding can reduce residual stress and distortion notably and make the grains fine.
结合现场实例，进行了振动压路机驱动桥弧齿准双曲面齿轮早期失效分析和热处理技术评价。
Combined with the practical examples, the premature failure analyses for the hypoid gears of driving axle of vibratory compactor and evaluation of heat treatment technique were performed.
采用阀门用钢A105作为试验材料，采用机械振动焊接与常规埋弧自动焊接相结合的方法进行对比试验。
The contrast tests of vibratory submerged-arc welding and normal SAW(submerged arc welding) on the valve steel A105 was carried out.
随着气体流量的增大，弧梢处与弧根处的振动温度均下降，但弧梢处下降速率较快。
With gas flow rate increasing, the vibrational temperature at both tip and root decreases, but the decreasing rate at arc tip is faster than that at arc root.
随着气体流量的增大，弧梢处与弧根处的振动温度均下降，但弧梢处下降速率较快。
With gas flow rate increasing, the vibrational temperature at both tip and root decreases, but the decreasing rate at arc tip is faster than that at arc root.
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