Rod end joint bearing introduction

Rod end joint bearing vibration is very sensitive to the damage of rod end joint bearing, such as peeling, indentation, rust, crack, abrasion, etc. will be reflected in the rod end joint bearing vibration measurement, so by adopting special rod end joint bearing vibration The measuring device (frequency analyzer, etc.) can measure the magnitude of the vibration, and the specific abnormal situation cannot be inferred through the frequency division. The measured value is different due to the use conditions of the rod end joint bearing or the installation position of the sensor, so it is necessary to analyze and compare the measured value of each machine in advance to determine the judgment standard.

The temperature of the rod end joint bearing can generally be inferred from the temperature of the outside of the rod end joint bearing. It is more appropriate if the oil hole can be used to directly measure the temperature of the outer ring of the rod end joint bearing. Generally, the temperature of the rod end joint bearing starts to rise slowly with the operation of the rod end joint bearing, and reaches a stable state after 1-2 hours. The normal temperature of the rod end joint bearing varies with the heat capacity, heat dissipation, speed and load of the machine. If the lubrication and installation parts are appropriate, the rod end joint bearing temperature will rise sharply and abnormally high temperature will occur. At this time, the operation must be stopped and necessary precautions must be taken. The use of a thermal sensor can monitor the working temperature of the rod end joint bearing at any time, and automatically alarm or stop when the temperature exceeds the specified value to prevent the occurrence of combustion shaft accidents.