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Select FAG bearings is good or bad impact on use  

2012-08-30 11:42:43|  分类: 技术 |  标签: |举报 |字号 订阅

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FAG轴承的选择要考虑很多方面,通常主要是轴承的尺寸和规格,另外还有转速来选择我们适合的轴承。如何选择轴承,下面我们就来做一些简要的分析:

Choice depends on many aspects of FAG bearings, usually is the main bearing size and specifications, there are also speed to select our suited to bearings. How to choose a bearing, the following summary analysis of the us to do something:

通常FAG轴承可以安装的空间是受限制的。在大多数的情况下,轴径(或轴承内径)是根据机械的设计或其它设计的限制。所以轴承类型及尺寸的选择是根据FAG轴承的内径而决定的。由此,标准轴承的主要尺寸表均根据国际标准内径尺寸而编制的。

FAG bearings can usually install space is restricted. In most cases, the shaft diameter (or bearing diameter) is based on the mechanical design or other design constraints. Selection of bearing type and size is determined by FAG bearing inside diameter. Thus, the standard bearing the main dimension tables are prepared in accordance with international standards for dimension of inner diameter.

标准FAG轴承的尺寸形式繁多,在机械装置设计时最好采用标准轴承(这设计到FAG轴承是否容易采购,在这里就说句题外话,有些轴承型录上的型号确实有,但一些非标轴承在中国大陆地区没有现货,有些时候期货会很长时间,所以在FAG轴承选型时要考虑时间成本和后期更换的成本)FAG轴承的负荷,施加在轴承上的负荷,其性质、大小、方向是多变的。通常,额定基本负荷在尺寸表上均有显示。但轴向负荷及径向负荷等等,亦是选择适合的FAG轴承重要因素。当球及滚针轴承的尺寸相当时,滚针轴承通常有较高的负载能力及承受较大的振动及冲击负荷。

Standard FAG bearing of size forms range, in machinery device design Shi best used standard bearing (this design to FAG bearing whether easy procurement, in here on said sentence questions way, some bearing type recorded Shang of model does has, but some non-marked bearing in China continent area no spot, some when futures will is long time, so in FAG bearing selection Shi to consider time cost and late replaced of cost) FAG bearing of load, imposed in bearing Shang of load, its nature, and size, and direction is changeable of. Typically, the basic load rating are displayed in the dimension table. Axial and radial loads, and so on, is to select suitable FAG bearings are important factors. When when the size of the ball and needle bearing, needle roller bearings typically have high levels of vibration and shock loads and withstand greater load capacity.

允许转速是根据FAG轴承的类型,尺寸,精度,保持架类型,负荷,润滑方式,及冷却方式等因素确定。轴承表上列出了标准精度轴承在油润滑及油脂润滑下的允许转速。通常,深沟球轴承、自动调心球轴承及圆柱滚子轴承都适用于高速运转的场合。

Allowed speed depending on the type of FAG bearings, the size, precision, cage type, load, lubrication, and cooling factors to determine. Bearing table lists the standard precision bearings under oil lubrication and grease lubrication allows speeds. Typically, deep groove ball bearings, self-aligning ball bearings and cylindrical roller bearings are suitable for high speed operation of the occasion.

FAG轴承尺寸精度及旋转精度是根据ISO及JIS标准。对于要求高精度及高速运转的机械,建议使用5级或以上精度的FAG轴承,深沟球轴承、向心推力球轴承或圆柱滚子轴承则适用于高运转精度的机械。刚性,当FAG轴承的滚动体及滚道接触面受压,会产生弹性形变。有些机械需要将弹性形变减至最小。滚子轴承比球轴承产生的弹性形变量小。

FAG bearing size and rotation precision is according to ISO and JIS Standards. That require high-precision and high-speed operation of the machinery, precision of level 5 or above is recommended FAG bearings, deep groove ball bearings, radial ball bearings or cylindrical roller thrust bearings are suitable for high running accuracy of machinery. Rigid, when the rolling elements and raceways of FAG bearings contact surface pressure, will generate elastic deformation. Some machines need to keep to a minimum the elastic deformation. Roller bearings are smaller than the elastic deformation of ball bearings.

本文来源贝尔轴承http://www.beier-bearingshop.com/fag-bearing.shtml

 

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