Is installed using the adjustment factors, use and maintenance, maintenance repair and other technical requirements for compliance. According to NTN thrust bearing installation, use, maintenance, maintenance of the technical requirements for operation of the bearings are exposed to load, speed, temperature, vibration, noise and lubrication condition monitoring and inspection, abnormal immediately find out the reasons, the transfer of Guangxi NSK Bearings whole, to return to normal. Installation conditions are the primary factors used one of the factors bearing is often caused by improper installation package of the bearing force between the various parts the state changes, bearing in an abnormal state of operation and the early termination of life
Internal factors mainly refers to the structural design, quality manufacturing processes and materials, three factors determine the quality of the bearing.
NTN thrust bearing material impact on the metallurgical quality was a major factor in early failure of rolling bearings. With metallurgical technologies (such as bearing steel, vacuum degassing, etc.) of progress, raw material quality is improved. Raw material quality factors in the bearing failure analysis in the proportion has decreased significantly, but it is still bearing failure is one of the main factors. The appropriateness of the selection of Sichuan NSK Bearings Bearing failure analysis is still to be taken into account.
Bearings are generally made through forging, heat treatment, turning, grinding and assembly of multi-channel processing operations. The reasonableness of the processing technology, advanced, will also affect the stability of the bearing life. NTN thrust bearing which affect the quality of the finished product heat treatment and grinding processes, often associated with the failure of the bearing has a more direct relationship. In recent years, deterioration of the bearing surface layer of studies have shown that the grinding process is closely related with the quality of the bearing surface.
NTN thrust bearing life analysis of the main tasks is based on a lot of background material, analysis of data and failure mode, identify the main factors causing bearing failure, in order to make targeted improvements to extend bearing service period, to avoid the occurrence of bearing unexpected early failure.
First, remove
1. First with a hex wrench to loosen the eccentric sleeve bearing NSK bearing locking screw in Xinjiang, and then put a small iron bar into the sink hole cover eccentric, going against the axis of rotation to play loose eccentric sleeve.
2. Loosen the fixed bearing bolts. Together with the bearing from the shaft bearing removed. Note that the demolition of one end of the bearing shaft before. Should be the other side of the bearing shaft bolts loose, so as not to each other at both ends of the bearing strength and damage.
Second, the installation
1. NTN thrust bearing to the shaft before installation, you must first remove the fixed pin bearing jacket, while the journal surface smooth and polished clean, and rust in the journal at the oiled and lubricated (bearings in the shaft to allow a slight rotation).
2. Bearing with the bearing and lubricant topcoat, NTN thrust bearing into the bearing seat. Then assembled with the bearing sleeve with NSK bearing on the shaft. Pushed to the desired location for installation.
3. Fixed bearing, do not tighten the bolts, let the jacket bearing can rotate within the bearing. Also installed the other end with a shaft bearing and seat, the axis of rotation a few times, so that the bearing itself automatically after the alignment position. Then tighten the bolts a good bearing.
4. Loaded eccentric. Condom the first eccentric thrust bearing in the NTN sets of eccentric steps, and along the axis of rotation by hand tighten. Then insert a small iron bar or put on the sink hole to withstand eccentric. Hand-hammer percussion along the axis of rotation of small iron bar. The eccentric sleeve is securely mounted, and finally put the locking eccentric socket head cap screw.