Daily maintenance knowledge and the reason of IKO bearing temperature is too high

IKO bearing temperature, generally have a bearing on the surface of the outdoor temperature can be predicted, if use import bearing outer ring oil hole can directly measure temperature, is more appropriate. Generally, the temperature of the bearings with bearing operation began to slowly rise, 1 - After 2 hours to reach steady state. The normal temperature of bearing for machine heat capacity, heat dissipating capacity, rotational speed and load. If the appropriate lubrication, installation department, the bearing temperature will rise sharply, appear unusually high temperature, must stop at this moment, take the necessary precautions. Using thermal device can monitor IKO bearing operating temperature at any time, and realize e. automatic alarm when the temperature exceeds or stop to prevent the shaft accidents. With high temperature often said bearing is in abnormal situation. High temperature also harmful to the bearing lubricant. Sometimes overheated bearings can be classified to the bearing lubricant. If the bearing temperature for a long time even the transfer of more than 125 ℃ lower bearing life. The causes of high temperature bearing include: lubrication inadequate or excessive lubrication, the lubricant. Contains impurities, heavy load, bearing damage, clearance, high friction and oil seal and so on. So the continuity of bearing temperature monitoring is necessary, bearing whether measured bearing itself or other important parts. If it is on the basis of the operating conditions, the temperature change of any fault has occurred. Regular bearing temperature measurement by using a thermometer, digital thermometer, for example, can accurate bearing temperature measurement and display by ℃ or Fahrenheit units. The importance of bearing, means that when the damage cause of equipment downtime, so this type of bearings shall be equipped with best temperature probe. In just under normal circumstances, bearing lubrication or lubrication after there will be a natural temperature rise and the last one to two days. Usually, the working temperature over 150 ° use IKO bearing called high temperature bearing, due to chromium bearing steel in the use of temperature over 150 °, the hardness will fell sharply, size is not stable, the bearing can't work normally. So for the working temperature at 150 ° to 350 ° work under the condition of bearing, if rings and rolling body still choose ordinary high carbon chromium bearing steel manufacturing, it must be special tempering treatment was carried out on the bearing parts, shall generally be higher than working temperature tempering under 50 °. After tempering treatment according to the requirements of the bearing steel, can be used in normal working temperature. But after tempering hardness decreased, bearing life. Period it is very important to check and record the working condition of bearing, analysis the information, can be found that the problem, in the event of a failure before maintenance. To ensure the safety of the bearing use! The following is the introduction of routine maintenance inspection: check the change of the bearing vibration value, the production of abnormal noise, temperature, the amount of lubricant and trait of change, drive the change of the mechanical and electrical current value, check whether the normal, if there is abnormal, it should be handled accordingly. Below is the check project to control execution. 1. Determine each inspection item of chart formats. 2. To determine the inspection cycle. 3. Determine the need inspection methods and inspection equipment. Check and record data. Then observe the changes of the graph data. If the data is beyond the standard components, could be a sign of equipment damage. Confirm the reasons of the problem, when need to repair.