How to determine if the lubrication system of B3SV05-25-D high-power industrial gearbox is working properly

To determine whether the lubrication system of B3SV05-25-D high-power industrial gearbox is working properly, the following aspects can be taken into account:

pressure monitoring

Observing the oil pressure gauge: Under normal circumstances, the pressure of lubricating oil is generally maintained at 0.2-0.5MPa. Pressure sensors are installed at the inlet of the gearbox and the outlet of the oil pump, and the values of these pressure sensors can be checked to determine whether the oil pressure is normal. If the oil pressure is too low, it may be due to insufficient oil in the oil pan, low oil viscosity, insufficient elasticity of the pressure limiting valve spring, or improper adjustment; If the oil pressure is too high, it may be due to high oil viscosity or excessive flow resistance of the oil in the system.

Check the pressure alarm device: If the lubrication system is equipped with a pressure alarm device, when the pressure is abnormal, the alarm device will issue an alarm signal to indicate that there may be a problem with the lubrication system.

Oil condition inspection

Oil level check: Regularly check the oil level inside the gearbox to ensure that it is within the normal range. Low oil level may result in insufficient lubrication of components such as gears and bearings, while high oil level may cause increased mixing loss and oil temperature rise.

Oil quality analysis: By regularly sampling oil, parameters such as viscosity, acid value, flash point, moisture content, and impurity content of the oil are tested. Abnormal viscosity may indicate that the lubricating oil has been diluted or oxidized; An increase in acid value indicates an exacerbation of the degree of oxidation in the lubricating oil; A decrease in flash point indicates that flammable substances with low boiling points may have been mixed into the lubricating oil; Excessive moisture content may lead to corrosion and component damage; An increase in impurity content may indicate increased gear wear or invasion of external pollutants.

Grinding particle monitoring: Metal grinding particle sensors can be used to detect the content, size, and shape of metal grinding particles in oil in real time, or offline detection methods such as ferrography analysis can be used to intuitively observe the morphology and distribution of grinding particles. If the number of abrasive particles increases abnormally, the particle size is too large, or the shape is irregular, it may indicate abnormal wear of the gear.

temperature monitoring

Lubricating oil temperature: The temperature sensor is usually installed at the oil outlet or oil pool of the gearbox, and can provide real-time feedback on the temperature information of the oil. Under normal circumstances, the temperature of lubricating oil should be within a certain range. If the oil temperature is too high, it may be caused by poor gear meshing, bearing failure, insufficient lubrication, or cooling system failure.

Gearbox surface temperature: By touching or using an infrared thermometer to measure the surface temperature of the gearbox, the operating status of the gearbox can be preliminarily determined. If the local temperature is too high, it may indicate poor lubrication or poor contact in that area.

Vibration and noise monitoring

Vibration analysis: Install vibration sensors, collect vibration signals from the gearbox, and analyze the frequency, amplitude, and other characteristics of the vibration. An increase in vibration level may indicate issues such as gear wear, bearing damage, imbalance, or poor lubrication.