How to install deep groove ball bearings?

Deep groove ball bearings are widely used cloud bearings. It is characterized by low friction resistance and high speed. It can be used for parts that accept radial loads or both radial and axial loads, as well as parts that accept axial loads, such as low-power motors, automobile and tractor gearboxes, machine tool gearboxes, ordinary gearboxes, etc.

How to improve the installation accuracy of deep groove ball bearings?

After the deep groove ball bearing is installed on the main engine, there is a measurement index called cycle rotation accuracy. The number of rotations required for these changes to roughly repeat represents the "quasi period" of periodic rotation accuracy. Because the size change in the period is large, the accuracy of periodic rotation is very poor. If proper preloading is applied to the deep groove ball bearing spindle, the speed can be gradually increased to make it close to the running speed, so as to achieve the "cut in" effect of the bearing and improve the cycle. Rotation accuracy of spindle.

What is the first thing to do when installing deep groove ball bearings?

The first step is to measure the boring size of the shaft and housing to determine the assembly accuracy of the bearing. The inner wheel and shaft adopt hard fit, and the outer wheel and bearing seat hole adopt gap fit.

Second, install the front bearing at the fixed end of the shaft: thoroughly clean the bearing with clean light oil, and then fill the bearing with grease sticks quantitatively. Heat the bearing, raise the temperature to 20-30 ° C, and use an oil press to compress the bearing. Install the shaft end. Click the adapter sleeve on the shaft, and then press the bearing section under appropriate pressure to position it along the shaft direction. Wrap the belt of the spring scale around the outer wheel of the bearing, measure the starting torque and confirm the specified starting torque. Whether there is a large change in preloading.

When installing deep groove ball bearings, what is the next step?

Put the deep groove ball bearing shaft assembly into the page hole again. Heat the seat hole, increase the temperature by 20-30 ° C, and install the bearing shaft assembly in the seat hole with continuous and gentle pressure. Adjust the front cover to create the bearing pedestal. Based on the external end face, the head of the dial is aligned with the log surface, the shaft rotates to measure the runout, and the dial is located on the shaft. The head is located inside the rear seat hole, the shaft is the measuring bearing, and the front seat of the rotating seat is coaxial with the rear seat hole.

Finally, the free end bearing is selectively placed at the position where the deviation can be offset and installed at the rear support position of the bearing seat to offset the mutual vibration source deviation and coaxiality deviation to the greatest extent.

Cixi Kent Bearing Co., Ltd. is located in Ningbo, a coastal city in China with global operations. We focus on the research and manufacturing of high-precision and low-noise ball bearings, and have rich experience in bearing production and sales. Kent bearing is now one of the leading manufacturers and suppliers in the bearing industry.