1) main bearing
主轴承
1.
Lubrication and management of main bearings of cement mill;
水泥磨主轴承的润滑及其管理
2.
Abrasion fault diagnosis of main bearing based on noise and wavelet envelope spectrum;
基于噪声小波包络谱的主轴承磨损故障诊断
3.
A Special tool used for dismounting and assembling the main bearing bolts and nuts of diesel engine;
一种柴油机主轴承螺栓螺母拆装专用工具
2) main bearings
主轴承
1.
On the basis of structural modal analysis,the structural dynamic responses of the main bearings of a 4 cylinder internal combustion engine,which were excited by main bearing forces,have been evaluated using finite element method.
以某 4缸柴油机为例 ,应用有限元方法在机体结构模态分析的基础上 ,对多缸内燃机曲轴各主轴承在曲轴轴颈作用力激励下的结构动力响应进行了计算 ,得到了曲轴各主轴承在不同方向上的结构振动响应曲线 ,并对其响应特征进行了分析 。
2.
This paper discusses the faults of main bearings in engines and analyses the relations between the faults and the vibration signals.
介绍了发动机主轴承的几种损坏形式和产生的原因,并分析了其与振动的关系。
3) Main journal bearing
主轴承
1.
Wearing condition strain monitoring of main journal bearing in diesel engine is presented in this paper,The main journal bearing load,the 1ocus of the crankshaft center and the oil film pressure are calcu1ated,and the strain signals in vertical direction on the cover of the main journa1 bearing are mea- sured under different simulated wearing condition.
介绍了应变法监测柴油机滑动主轴承磨损状态的研究,计算了主轴承负荷、轴心轨迹和纵向 油膜力,实测了不同磨损状态主轴承的纵向应变,确定了主轴承磨损状态与纵向应变之间的关系 特征,为实现柴油机滑动主轴承磨损状态的在线监测奠定了技术基础。
2.
This paper presents a research on the vibration diagnosis of wearing conditions of main journal bearing in a marine diesel engine.
介绍了船舶柴油机主轴承磨损状态的诊断研究,实测了柴油机机座的表面振动信号和有关的热力参数,计算了柴油机的主轴承负荷和轴心轨迹,对振动信号进行了分析处理,提取了振动信号的特征参数,为准确诊断柴油机的主轴承磨损状态提供了诊断方法。
4) spindle bearing
主轴轴承
1.
Three dimensions CAD system used in spindle bearing of aircraft engine;
航空发动机主轴轴承三维CAD系统
2.
This paper discusses the working condition of machine tool's spindle bearing can be distinguished by bearing's vibration signal.
论文阐述了利用轴承振动信号可判断机床主轴轴承的工作状态,通过频谱分析可对轴承进行故障诊断及预紧力确定;应用B&K2148采集振动信号,MATLAB进行数据处理,对CKS6116型机床主轴前轴承进行了故障诊断与预紧力分析并取得了满意的效
5) main shaft bearing
主轴轴承
1.
One of the main reasons of the failure on main shaft bearing of aviation engine is the damage of cage.
发动机主轴轴承失效的主要形式之一就是保持架的损坏,而保持架损坏的原因主要是保持架的磨损及滚动体对保持架的冲击。
2.
The aviation main shaft bearing usually works under the condition of high speed and high temperature.
发动机主轴轴承常常在高速条件和高温环境下工作。
3.
The main shaft bearings of aircraft engine are key parts of plane, its reliability and life affect directly on the reliability and life of engine and even whole plane.
航空发动机主轴轴承是飞机关键部件的关键零件,其可靠性和寿命直接关系着发动机乃至飞机的可靠性和寿命。
6) spindle or spindle bearing
主轴及主轴轴承
补充资料:主链断裂和主链裂解
分子式:
CAS号:
性质:又称主链断裂和主链裂解。发生在有支链结构高分子的主链上的共价键的断裂反应。可细分为两种类型:一种为主链端基断裂(断裂反应发生在末端链节上);一种为主链无规断裂(高分子主链的断裂没有固定点,主要发生在弱键处)。
CAS号:
性质:又称主链断裂和主链裂解。发生在有支链结构高分子的主链上的共价键的断裂反应。可细分为两种类型:一种为主链端基断裂(断裂反应发生在末端链节上);一种为主链无规断裂(高分子主链的断裂没有固定点,主要发生在弱键处)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条