危险截面 meaning in Chinese
dangerous cross section
dangerous cross-section
dangerous section
minimum life section
Examples
- The paper thoroughly introduces the temperature field and stress field on the dangerous cross - section of the rotor and the computing methods of life - loss and puts forward some viewpoints on the improvement of on - line life stat
文中详细介绍了转子危险截面上温度场、应力场和寿命损耗的计算方法，提出了有利于完善在线寿命统计的几个方面。 - Considering effects of major factors on root section stresses , 2d and 3d dynamic finite element models are accurately established and then the history of both the stresses - loads at the test - points and the deflection - loads at the loading points are evaluated
综合分析影响齿根应力的重要因素的基础上，创建了精确的二维和三维动态有限元模型，计算出齿根危险截面测点的应力历程和受载点的变形历程。 - Through the test of the separating sieve ' s and beams vibration acceleration , the dynamic bending moment , torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft , the change regularity of the vibration of the separating sieve , the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained . research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve . the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam , appropriately amending the vibration acceleration of the separating sieve , the loading and vibration of the mam beam can be directly improved
通过分档测试主轴转速在300 600r min范围内分离筛与梁的振动加速度、梁所承受的动态弯矩、扭矩和剪力以及各参量的时频域分析，得到了主轴转速与分离筛振动、主梁的振动及其危险截面的动态载荷间的变化规律，研究表明梁的振动和其所承受的动载与分离筛的振动之间具有明显的相关性，分离筛的振动主要影响梁振动的低频成分，适度改善分离筛的振动加速度，可直接改善梁的负载和振动特性。 - We use the method of finite element analysis to find the most dangerous section of the rotator . through setting up a model of rotator , calculating the temperature and stress field of rotator , we get the section . then we supervise the section online , calculate the practical fatigue life loss and creep life loss
我们使用有限元分析法，通过建模，计算转子温度场、应力场，得到最危险截面，然后对危险截面进行在线监测，计算实际运行中的疲劳寿命损耗和蠕变寿命损耗，为安全经济运行提供有效监控手段。 - The azimuths of the central principal axes of the dangerous sections on the frame of bulldozer are determined . the inertia moments to the central principal axes of the dangerous sections on the frame are calculated . this paper also determines the positions of the dangerous points and calculates the stress values of dangerous points on the dangerous sections
分析了推土机台车架在最危险工况下的受力状况，确定了台车架危险截面的形心主轴的方位、计算了台车架危险截面对形心主轴的惯性矩、确定了危险点的位置、计算了危险面上危险点的应力值。