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The importance of Industrial Gear oil(2014-03-20)

To handle increased demands, today’s Industrial Gear oils must contain high-performance additive chemistry. The goal is to keep the lubricant thermally stable and robust enough to ensure that it lasts longer, protects better and performs more efficiently, while at the same time keeping the system clean and carrying away heat and contaminants. This is no easy task.
Consider Industrial Gear oils that at one time were widely acceptable for a given application. Even if these oils meet minimum industry specifications, which can remain unchanged for up to 10 years, they may not be durable enough to protect your equipment.
Smaller Industrial Gearboxes must do the same amount of work as, or even more than, their larger predecessors. But spaces are smaller and tolerances are tighter. That translates to higher speeds and loads. The trend toward smaller reservoirs means the system must cycle the fluid more often with less time to dissipate heat, release foam, settle out contaminants and demulsify water.
Constant gear rolling and sliding produces friction and heat. The heavier operating loads common in today’s industrial settings increase metal-to-metal contact or boundary lubrication, producing even more heat and pressure. To meet longer drain intervals for environmental and cost reasons, the fluid stays in the system longer. Therefore, fluid cleanliness and performance retention becomes critical.
Highly viscous lubricants generate heat from internal fluid friction and also may consume more power to turn the Industrial Gears. The rate of oxidation in the fluid can increase, which decreases the fluid’s effectiveness and life. In addition, higher operating temperatures increase sludge and varnish formation, which can damage equipment by forming deposits that can block filters, oil passageways and valves. On the other hand, less viscous lubricants generate less heat, minimizing the chance of exceeding recommended operating temperatures or damaging equipment.
Industrial Gear oils must be durable enough to withstand in-service conditions and to retain that performance over time.
Although many fluids may meet the industry specification when new, they rapidly lose performance while in service. Industrial Gear oils formulated for extended durability will keep gears operating properly and protect equipment investment by extending life, reducing downtime, maximizing productivity and lowering maintenance costs.
Industrial Gears often operate under heavy loads and require extreme-pressure protection for gear components. Typical Industrial Gear oils do not always provide high extreme-pressure performance at low-viscosity greases. This challenges the notion that Industrial Gears performing in harsh environments must have highly viscous lubricants to be adequately protected.

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