Universal joint needle roller bearing, slide bearing speed and color

Improper assembly method and trunnion bearing or bearing hole of the interference is small, use pressure into the method of assembly, more simple method is to use copper bar and hammer, way according to the order of symmetry on bearing seat with interference fit, the bearing pressure into the smoothly. Sliding bearing is a bearing bush, check the raceway surface, rolling surface, cooperate with the state, the abrasion of cage, the increase of the bearing clearance and has nothing to do with dimension precision falling damage, abnormal. Light fiber beam through the sensor surface with the launch on the surface of the bearing ring gap reflected, by the receiving fiber bundle, converted into electric signal by photoelectric component, through the analysis of the electrical signal processing, can be to evaluate bearing condition. Advantage most of the bearing in order to reduce the bearing internal friction and wear, prevent burning stick, all you need to add lubricant to the bearing work stable and reliable, in order to prolong the fatigue life of bearing. Add the lubricating oil, however, a big disadvantage is that the need good sealing performance, otherwise will produce leakage, and some have special requirements equipment lubricating oil leakage is not permitted, so people with other lubrication material to replace the lubricating oil, the invention bearing without oil, make it not only possesses the advantages of containing oil bearing, at the same time to eliminate the environmental pollution caused by leakage. That we need when choosing bearing lubricating oil and grease lubrication for understanding? Tell you, the first to know the bearing lubricant, what are you need the understanding lubricant performance options, and then to understand the principle of bearing lubricant use, after select lubricant. In the coupling installation process must pay attention to the active terminal and the relative position of the driven end half coupling tags, avoid column pin hole deviation is too large, cylindrical pin installation tight phenomenon. Investigate its reason, is a bearing fault is due to installation or do not pay attention to when using the bearing lubrication, resulting from an external have, or is caused by bearing shell heat affected poor lubrication, and premature failure. Its working principle is: electric coil in the magnetic field force and rotational, main applicable cage: stamping steel reinforced cage, The suffix E, the domestic few) 。 Clean clean the bearing inner ring oil removal, and test and bearing until the reserved position; , the bearing repair parts with grinding wheel piece of polished clean coarse, bared metal original; 。 Axle box device according to the bearing type, divided into sliding bearing axle box device and two types of rolling bearing axle box device, railway passenger cars and diesel locomotives and rolling bearing axle box device for the electric locomotive is fully, van has been adopted. Metal to metal contact thermal damage of tapered roller & amp; emsp; & emsp; The first: bearing totally & amp; emsp; & emsp; Extreme local fever can produce metal flow in the bearing, change the raw material and geometric structure bearing. , this is due to the constant pressure preload count increases while the inner ring contact load is reduced, but at the same time make the inner ring of contact Angle decreases, and they work together to make bearing radial stiffness significantly increased, and the axial stiffness and Angle decreases slightly.