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空心主轴
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     The effect of shearing on short and thick spindle bending stiffness is discussed.
     本文讨论7在计算短、粗主轴弯曲刚度时,剪力时这一刚度的影响,给出了在计算剪切挠度时,剪切变形在空心主轴截面上不均匀分布系数X的近似值;
短句来源
     In this paper,the high speed rotational hollow shaft and the bearing inner ring fitted on it are described as a thick cylinder and a thin ring,respectively,and the relations between their radial displacements and angular speeds are established according to the elastic mechanics and dynamics theory, then the effect of the temperature growth of them is considered,from which a calculation formula of interference fit between the inner ring and the shaft is finally derived.
     文中将高速滚动轴承内圈和与之配合的空心主轴分别简化为薄壁圆环和厚壁圆筒,基于弹性力学和动力学理论建立了内圈和主轴的径向位移与旋转角速度之间的关系; 并且考虑温升影响,推导得到了高速电主轴轴承内圈与转轴配合过盈量的计算公式。
短句来源
  相似匹配句对
     Checking and Repairi ng on Orientation Trouble of Spindle
     主轴定向故障检修
短句来源
     Hollow Type Stirrer
     新型空心搅拌器
短句来源
     Multi-spindle Turning
     多主轴车削
短句来源
     Hollow Projectile Study
     空心弹丸的研究
短句来源
     Feasibitity of welding hollow shaft used for induced and forced draught fan for boiler in large power station is analyzed.
     分析了大型电站锅炉鼓引风机主轴采用焊接空心轴的可行性。
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  hollow spindle
Bundles of microtubules, viewed with a fluorescein filter set, formed a hollow spindle around the chromosomes.
      
Chromosomes are scattered over the metaphase plate indicating the absence of a hollow spindle.
      
The arrangement of chromosomes is characteristic of a hollow spindle.
      


The effect of shearing on short and thick spindle bending stiffness is discussed.The coefficient X which is used to calculate hollow spindle shearing de-flection and curve figure of(ys/yb)%、(a/D)(L/D)are given in the paper.It proves that in the calculation of the spindle bending stiffness,the effect of shear-ing force should not be neglected.

本文讨论7在计算短、粗主轴弯曲刚度时,剪力时这一刚度的影响,给出了在计算剪切挠度时,剪切变形在空心主轴截面上不均匀分布系数X的近似值;作出了(y_s/y_b)%-(a/D)(L/D)的曲线,从而证明了在计算短、粗主轴弯曲刚度时,不应忽略剪力的影响。

For a high speed motorized spindle, the interference fit between the shaft and bearing has a great influence on the stiffness,rotary accuracy and life of the spindle. At present,the tolerances for the outer diameter of shafts are often determined by practical experiences and the data recommended by the manufactories, which lacks scientific and quantitative design references. In this paper,the high speed rotational hollow shaft and the bearing inner ring fitted on it are described as a thick cylinder and a thin...

For a high speed motorized spindle, the interference fit between the shaft and bearing has a great influence on the stiffness,rotary accuracy and life of the spindle. At present,the tolerances for the outer diameter of shafts are often determined by practical experiences and the data recommended by the manufactories, which lacks scientific and quantitative design references. In this paper,the high speed rotational hollow shaft and the bearing inner ring fitted on it are described as a thick cylinder and a thin ring,respectively,and the relations between their radial displacements and angular speeds are established according to the elastic mechanics and dynamics theory, then the effect of the temperature growth of them is considered,from which a calculation formula of interference fit between the inner ring and the shaft is finally derived.

高速电主轴轴承与转轴配合的过盈量大小对主轴的刚度、旋转精度和使用寿命具有十分重要的影响。目前主轴外径的配合公差设计多根据实际经验和厂家推荐数据进行选用,尚缺乏科学定量的设计依据。文中将高速滚动轴承内圈和与之配合的空心主轴分别简化为薄壁圆环和厚壁圆筒,基于弹性力学和动力学理论建立了内圈和主轴的径向位移与旋转角速度之间的关系;并且考虑温升影响,推导得到了高速电主轴轴承内圈与转轴配合过盈量的计算公式。

 
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