Oil and Air Usage Guidelines for Oil-Air Lubrication Systems
Release time:
2026-01-15
The stable operation of an oil-air lubrication system hinges on the scientific matching and standardized management of oil and air. The selection of oil, the control of its cleanliness, and the adjustment of compressed air parameters are all key points in practical operation.
Regarding oil selection, oil-air lubrication systems are highly adaptable to oil viscosity, and most common oils are compatible. Thin oils, semi-fluid dry oils, and even lubricants with a high proportion of solid particles can all be successfully supplied. From a practical perspective, it is recommended to use 220#-460# high-temperature extreme-pressure gear oil or synthetic oil, which better suits the lubrication needs of industrial equipment.
Regarding oil cleanliness, the system requirements are not stringent. Oil meeting NAS9 standards is sufficient for use, and ordinary new oil can usually be used directly. To avoid equipment hazards caused by impure oil, it is recommended to use a filter with an accuracy of at least 40μm during refilling to ensure oil purity.
Compressed air, as the oil delivery medium, requires strict parameter control. The recommended operating pressure is 3-4 bar. If there are many lubrication points or complex piping leading to significant pressure loss, the pressure can be appropriately increased. The moisture content of the air must be strictly controlled; excessive moisture will damage the oil film integrity, thereby harming critical transmission components such as bearings and gears.
To ensure stable system operation, the equipment is equipped with a dedicated compressed air treatment unit, which can filter, remove moisture, and regulate pressure, preventing malfunctions caused by air source problems.
At the system monitoring level, all data related to oil, gas, and oil-gas mixtures can be accurately monitored. The equipment is equipped with a complete PLC control system and an LCD operation panel, supporting local, remote, and testing modes of operation. It can display the operating status and fault information in real time, and also provide display, monitoring, and interlocking signals to the unit control system.
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