Stress-strain distribution of sun gear, the weakest part in the oil-submerged planetary gear reducer, is analyzed.
利用三维机械设计软件SolidWorks和大型工程分析软件ANSYS,基于行星齿轮啮合原理,建立了具有精确齿廓曲线的直齿圆柱齿轮模型,分析了潜油行星减速器中最薄弱的中心轮应力-应变分布状况,给出了渐开线直齿圆柱齿轮齿根弯曲疲劳强度和齿面接触疲劳强度设计校核的有效计算方法,为潜油专用行星减速器可靠性优化设计提供了理论依据。
The relation between the radial deformation of the central internal gear in planetary gear transmission and the number of planet gears is derived in this paper.
导出了行星传动中的内啮合中心轮齿圈径向变形与行星轮数目之间的关系,并指出:从提高内啮合中心轮齿圈的柔度出发,行星轮数目应选择荐用范围的下限。
Exploration and ideas in constructing the basic chemical experimental teaching centre;
基础化学实验教学中心建设的思路与探索
Changle Aircity—the Planning Concept of Subcentre of Fuzhou in the Future;
长乐航空城—未来福州市级副中心规划设想
The centre and depth of a class mapping with its square to be of type 2~∞;
一类2~∞映射的中心和深度
Composite education and research center,georgia institute of technolgy, USA;
美国乔治亚理工学院复合材料教育研究中心
Some Reflections on the Establishment of the International Travel Care Center;
国际旅行卫生保健中心发展的几点思考
Center of Left Ventricular Segmental Wall Motion Determined by Color Tissue Doppler Imaging;
彩色组织多普勒显像对正常人左室舒缩运动中心的观察
Based on the analysis of typical experiment of piston ring -cylinder liner wear,cylinder liner surface parameters such as surface bearing c oefficient,core fluid retentive coefficient and valley fluid retentio n index are calculated and compared.
从分析具有代表性的活塞环—缸套摩擦磨损实验入手,对比不同流体润滑条件下缸套的表面支承系数、中心区流体存储系数和峰谷储油系数等参数,研究了液固二相润滑条件对摩擦副摩擦行为的影响。
The enterprise must pay much attention to the market and the product s enterprise image,and at the same time the enterprise should also pay much attention to the enterprise finance management and establish the movement mechanism as the core of financial management.
我国经济体制改革的不断推进和正式加入世界贸易组织 ,迫切要求我们的企业提高自身的竞争力 ,在高度重视市场、重视产品的企业形象的同时 ,还要高度重视企业财务管理 ,建立以财务管理为中心的运行机
Hence, it made Ma Cheng a core of progressive philosophy.
李贽由于学问渊博,思想高奇、胆识过人、名声巨大,所以进步文人(包括哲学和文学)聚集在他的周围形成了集体,使鄂东麻城成了进步哲学的中心;同时他还使湖北诞生了公安、竟陵两大主宰晚明文坛的进步文学流派。
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