本文应用边界元方法研究了在二维流动假设下,气体静压圆柱轴承的静态特性。
In this paper, the boundary element method (BEM) was applied to study static characteristics of aerostatic cylindric bearing.
台架试验表明,该双列偏心短圆柱轴承运转灵活正常,达到了设计基本性能要求。
Bench test shows that the double row short roller bearing works flexibly and normally and meets the basic performance requirement.
为旋转机械转子-圆柱轴承系统的非线性动力学分析和设计提供了必要的理论基础。
This supply the helpful theoretical tools for nonlinear dynamic analysis and design of rotor-elliptic bearing systems in rotating machines.
轴承承载能力比传统静压气浮圆柱轴承提高30%以上,轴承刚度比传统静压气浮圆柱轴承提高15%以上。
As compared with the traditional static pressure gas cylindrical bearing its bearing loading capacity can be raised by above 30%, and its bearing rigidity can be raised by above 15%.
为认识改进型椭圆轴承的性能特点,将其与传统椭圆轴承、圆柱轴承在相同条件下进行了性能对比以发现其优越性。
To discover performance advantages of modified elliptical bearing, traditional elliptical bearing and cylinder bearing are compared with it under same conditions.
叙述了180涡轮钻具用减速器的传动比,齿轮传动,端面机械密封和偏心短圆柱轴承的设计计算过程和有关处理办法。
The design calculation process and related process methods for transmission ratio, gear transmission, end mechanic sealing and eccentric short roller bearing used for 180 turbine drill are described.
圆柱滚子轴承的滚子和滚道的基本结构类型是圆筒形的。
The basic shape of the rollers and raceways of cylindrical roller bearings is cylindrical.
一个前缀的圆柱滚子轴承代码标识设计。
A prefix of cylindrical roller bearing codes identifies the design.
自调心球轴承的基本设计带有一圆柱孔,或者在某些尺寸范围内带一圆锥孔(圆锥1:12)。
The basic design self-aligning ball bearing is available with a cylindrical bore or, in certain size ranges, with a tapered bore (taper 1:12).
直到中号尺寸,圆柱滚子轴承一般都配置一个玻璃纤维增强尼龙保持架或一个钢板冲压保持架。
Up to medium size, cylindrical roller bearings are generally fitted with a cage of glass-fibre reinforced polyamide or a pressed sheet-steel cage.
为了避免推力圆柱滚子轴承发生滑动,滚子的锥度要合适以至于扩大的接触线可以与轴承轴相交。
To avoid sliding that occurs in cylindrical roller thrust bearings, the taper Angle of the rollers is selected so the extended contact lines intersect on the bearing axis.
如轴承圆柱滚子、圆锥滚子、滚针、套圈等的在线自动检测。
Such as cylindrical roller bearings, tapered roller, needle, ring and other on-line automatic detection.
然而,精确的圆柱滚子或滚道将会导致在滚子和滚道的边缘产生峰值应力(图1.23),从而缩减轴承寿命。
Precisely cylindrical rollers and raceways, however, would lead to peak stresses at the roller and raceway ends (Figure 1.23), which might reduce the bearing life.
根据要求,NKE的满装圆柱滚子轴承生产其他公差等级。
On request NKE full complement cylindrical roller bearings are produced to other tolerance classes.
因圆锥滚子大端与内圈挡边之间滑动摩擦,其极限转速往往低于同尺寸的圆柱滚子轴承。
For tapered roller large end and sliding friction between the inner wall, the speed limit is often lower than the same size cylindrical roller bearings.
由于其特定的运动行为,圆柱滚子推力轴承只适合低速应用。
Due to their specific kinematic behaviour, cylindrical roller thrust bearings are only suitable for low speed applications only.
所有的圆柱滚子推力轴承,滑动摩擦增加,可能会出现圆柱滚子的结束。
With all cylindrical roller thrust bearings, increased sliding friction can occur on the end of the cylindrical rollers.
在高速和轻载工况条件下,打滑擦伤往往成为圆柱滚子轴承的主要失效形式,而表面粗糙度对轴承打滑损伤有很大的影响。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
滚针轴承是拥有薄的,长的滚动体的圆柱滚子轴承。
The needle roller bearing is a cylindrical roller bearing with thin, long rolling elements.
大多数推力圆柱滚子轴承是单方位轴承。
Most cylindrical roller thrust bearings are single-direction bearings.
双轴承单元与装在分离式座式轴承中的两个自调心球轴承或两个圆柱滚子轴承的常规配置相比,有若干优点。
Two-bearing units have several advantages over the more conventional arrangements where two self-aligning ball bearings or two spherical roller bearings are mounted in separate plummer block housings.
附加标准的产品范围的满装圆柱滚子轴承nke的生产全套轴承个别客户的订单要求的规格或特殊轴承。
Additional to the standard product range of full complement Cylindrical Roller bearings NKE produce full complement bearings to individual customer specifications or special bearings on order request.
圆柱滚子轴承在载荷作用下的应力分析,是典型的边界非线性的接触问题。
To compute the stress of the cylindrical roller bearings under loading is a typical boundary nonlinear contact issue.
经改善钢材质量、采用塑料保持架、改进挡边结构及凸度滚子的应用,可使圆柱滚子轴承的寿命和性能大幅度提高。
By improving steel material quality, adopting plastic cage, improving rib structure and using crowned rollers, the life and performance of cylindrical roller bearing can be largely increased.
而关于预负荷空心圆柱滚动体轴承的研究更是少之又少,到目前为止,在国内的期刊和杂志上还没有发现关于这方面的研究论文。
The researches on the preloaded hollow cylindrical roller bearing are much less, no research paper is found about this aspect in the magazine at home by now.
而关于陶瓷材料圆柱滚子轴承的研究则更少。
Besides, the research of ceramic cylindrical roller bearing is less.
最后,又对预负荷空心圆柱滚动体轴承的刚度进行了研究。
At last, the rigidity of the preloaded hollow cylindrical roller bearing is researched.
本文叙述了机床主轴部件常用的双列圆柱滚子轴承预紧量测量仪的原理、结构和使用方法。
In this article, the principle, construction and use of the measuring instrument for preloads in double row cylindrical roller bearings used in machine tool spindles are narrated.
轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。
The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces, and the premature damage of cages.
空心圆柱滚子轴承为应力腐蚀磨损失效。
The failure of the hollow cylinder roller bearing is stress corrosion wearing.
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