Installation and Adjustment of High-speed Bearings
High speed bearings are an integral part of machinery used to rotate parts in high speed applications. These bearings are typically packaged in sets and must be installed correctly for the best possible performance. It is important to follow the bearing manufacturer’s recommended installation and adjustment procedures to ensure proper alignment and clearance between the bearing and other components in the system.
First of all, the location at which the bearing will be placed should be determined. If the bearing is being used to support a rotating shaft, the location should be as close to the center as possible. This will ensure that the forces on the bearing are distributed as evenly as possible. The bearing should also be mounted at a height as close to the centerline of the application as possible. This will minimize the “bend” on the shaft, which can cause vibration and premature bearing failure.
Once the location has been determined, the bearing should be mounted on the shaft without the interference of other components. The bearing should be carefully installed, paying special attention to the orientation of the race and the fit of the bearing in the race. The bearing should also be installed level, with no tightening of the mounting hardware.
After the bearing has been installed, it should be adjusted for proper alignment, end-play, and radial run-out. Alignment is the process of ensuring that the bearing’s rotating center axis is parallel to the axis of the application. This can be done by using a dial indicator to measure the distance between the bearing’s rotating center and the axis of the application. After alignment is complete, the bearing should be adjusted for the proper end-play, or looseness in the bearing that is necessary for proper operation. This can be done by tightening or loosening the mounting hardware. Lastly, the bearing should be adjusted for radial run-out, which is the amount of wobble that can exist in the rotating center axis of the bearing. This can be checked by spinning the bearing and measuring the wobble with a dial indicator.
It is important to note that these are general guidelines for installation and adjustment of high speed bearings, and the exact installation and adjustment procedures may vary from application to application. It is recommended to always follow the specific instructions from the bearing manufacturer.
High speed bearings can be very helpful in ensuring that components rotate correctly in high-speed applications. However, it is important to ensure that they are installed correctly and adjusted properly to ensure the best possible performance and operation.
参考译文:
高速轴承是用于在高速应用中转动零件的机械装置的重要部分。这些轴承通常是成套包装的,为了获得最佳性能,必须正确安装。重要的是遵循轴承制造商推荐的安装和调整程序,以确保轴承与系统中其他部件之间的正确对准和间隙。
首先,应确定轴承的位置。如果轴承用于支撑旋转轴,则位置应尽可能靠近中心。这将确保轴承上的力尽可能均匀地分布。轴承也应尽可能接近应用中心线的高度安装。这将最大限度地减少轴上的“弯曲”,从而避免振动和过早的轴承故障。
确定位置后,应当在没有其他部件妨碍的情况下安装轴承。轴承应谨慎安装,特别注意轨道的定位和轴承在轨道中的配合。轴承也应水平安装,不要拧紧安装硬件。
轴承安装后,应进行对准、端隙和径向运行误差的调整。对准是确保轴承旋转中心轴与应用轴平行的过程。可以使用千分尺来测量轴承旋转中心与应用轴之间的距离来实现对准。对准完成后,应调整轴承的适当的端隙,或者进行必要的安装硬件的松紧度。最后,应调整轴承的径向运行误差,即轴承旋转中心轴可能存在的摆动量。可以通过旋转轴承并用千分尺测量摆动量来检查。
请注意,这些是高速轴承安装和调整的一般准则,具体的安装和调整程序可能因应用程序而异。建议始终遵循轴承制造商的具体说明。
高速轴承在确保高速应用中的零件正常旋转方面可能非常有用。但是,重要的是确保正确安装并适当调整以确保最佳性能和操作。