Oil-Air Lubrication: Solving Heavy-Load Lubrication Challenges in Rolling Mills-Huashun Lubrication

Oil-Air Lubrication: Solving Heavy-Load Lubrication Challenges in Rolling Mills

Release time:

2025-04-12

In industrial applications such as cold rolling mills and hot rolling mills, equipment operates under extreme heavy-load conditions. Critical components like work roll bearings are subjected to high mechanical stress, making proper lubrication essential for ensuring service life and operational stability.

To maintain an adequate lubrication film, high-viscosity lubricants—typically in the range of ISO VG 320–680 (at 40°C)—are often required. However, traditional lubrication methods face significant limitations when handling such high-viscosity oils.

Limitations of Conventional Lubrication

In real-world operations, high-viscosity lubricants can lead to:

High flow resistance, making it difficult for oil to reach lubrication points
Poor distribution accuracy, resulting in uneven lubrication
Pipeline blockages, especially when lubricants contain solid additives
Increased risk of insufficient lubrication and localized bearing wear

These issues can ultimately affect equipment reliability and production continuity.

Advantages of Oil-Air Lubrication

Oil-air lubrication systems effectively overcome these challenges. They are largely independent of lubricant viscosity, enabling stable delivery of:

Low-viscosity oils
Semi-fluid greases
Lubricants with high solid particle content

More importantly, oil-air lubrication forms an advanced air-oil two-phase lubrication film. As the proportion of air within the flow increases, the lubrication film becomes thicker and more stable, offering superior formation characteristics compared to traditional single-phase oil films.

This results in enhanced load-carrying capacity, improved protection against wear, and more reliable lubrication performance under heavy loads.

A Reliable Solution for Heavy-Duty Applications

With its ability to handle demanding conditions, oil-air lubrication provides a robust and efficient solution for heavy-load industrial equipment. It not only resolves the limitations of conventional lubrication methods but also helps extend bearing life, reduce failure rates, and improve overall system stability.

For industries seeking reliable performance under extreme conditions, oil-air lubrication is becoming a preferred choice.

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