2012年11月15日星期四

Method of installation and adjustment of the low-noise NSK Bearings


Web Design And Seo For www.china-webdesign.com
roller thrust bearings - China Manufacturer
Thank you for inquiry my roller thrust bearings, Tel : 0086-0379-64390888, E-mail: liuping@lyzyc.cc
http://www.lyzycbearing.com/key-thrust-roller-bearings-14/


1, installation and adjustment of the low noise NSK Bearings can also follow the example of the long life NSK Bearings grouping method, makes the tie more consistent interference size the NSK bearing clearance is a lso more consistent, and cooperated with earnings in the range of possible whichever is less value, in order to ensure the NSK bearing raceways deformation is small, thereby rolling the body caused by noise becomes small.double bearing
2 clearance noise, the ideal state is when the maximum temperature state NSK Bearings in operation, the clearance value is exactly zero. Judgment clearance is too large: the stationary state of the shaft for axial displacement, its reciprocating amplitude, issued in the operation a large Zhongzhuo noise.
The running issue annoying shrill howling, the pretension NSK Bearings, NSK Bearings larger preloaded, should be slightly relax pretension extent. If the clearance is too large, you can make two-NSK Bearings circle axially slightly relative deviation: reduced clearance, but also increases the axial rigidity NSK bearing noise can be reduced.cross roller bearing
Rolling element will slip into the no-load zone or around a rocky ledge, so not only will increase the noise can also cause wear small clearance and axial stiffness to eliminate this phenomenon. But clearance can not be too small, in order to avoid overheating and shortened life expectancy.
5, and sometimes due to the large operating temperature range of the host, or the discrete nature of the size of the hole of the shaft with the seat, can not once the set to obtain the appropriate clearance, in this case, can be the of NSK bearing outer race using elastic constant pressure preload method.ceramic bearings

没有评论:

发表评论