Industrial gear and gearbox oil

More sophisticated CLP gear oil

Sophisticated gear lubrication has evolved beyond simple oil baths to address high-performance requirements like extreme loads, high speeds, and harsh operating environments, particularly for closed systems, open gearing, and high-tech applications like robotics or aerospace. These advancements focus on synthetic formulations, intelligent delivery systems, and surface modification techniques to minimize friction, enhance heat dissipation, and prevent premature wear or failure.

Gear lubricants increase the durability of equipment by preventing gear and bearing wear and preventing excess friction. Lubricants also carry heat generated by equipment away from the contact area. Gear lubricants can enhance the cleanliness of gears, bearings, and seals by preventing rust, corrosion, and other types of deposits from forming. They also can prevent air from being entrained in the lubricant and retard foaming of the lubricant. A properly functioning lubricant reduces power consumption and noise.

Advanced Lubricant Technology for Industrial Gear Applications

Today’s customers demand that equipment be more durable and reliable with longer drain intervals. Industrial gearboxes use new materials and surface finishes to provide more power with less weight, size, and manufacturing costs.

In gear transmission systems, adequate lubrication of the gearbox is key to ensuring safe operation. During the operation of the gearbox, the relative sliding friction between the gear tooth surfaces and the friction between the gears and the lubricating oil generate a significant amount of heat, and the quality of lubrication affects the performance of the transmission system. For example, insufficient lubrication of the gears can lead to increased temperature, vibration, and abnormal noise

PRODUCT	VG	STANDARD	APPLICATION	PDF
Molylub Sorbitol CLP	150 220 320	DIN 51 517 part 3, CLPAISE 224, AGMA 9005-E02; David Brown S1.53.101	industrial high loaded gear
Molylub Sorbitol Syn PG	150 220 320	Synth PAG. Flender AG	Worm gear lubrication
Molylub Sorbitol Syn PAO	150 220 320	Synth PAO. AGMA 9005-E02; ISO 12925-1 Type CKD	heavy loaded mechanical gearboxes and bearings with a high thermal load

 

 

 

Fully synthetic industrial gear oils on Polyalphaolefins (PAO) and Polyalkylene Glycol (PAG)

For systems exposed to difficult operating conditions.

Baseline performance requirements for gear lubricants are constantly changing. Today’s gear lubricants must be stable against oxidation, viscosity changes, and thermal degradation under more stringent conditions. OEMs and customers require gear lubricants that provide increased thermal stability, cleanliness, and wear protection at higher power densities and operating temperatures. Other requirements include gear and bearing durability for extended service life, materials compatibility, improved energy efficiency, use of sustainable additives and base oils, extended drain intervals.

As the gear line speed increases, the airflow generated by the rotating gears can create an air barrier, which hinders the flow of lubricating oil to the gear meshing points, resulting in the dispersion of oil flow and even a reduction in the amount of oil in the meshing area, thereby decreasing the lubrication effectiveness. In high-speed gear transmission systems, gear lubrication exhibits characteristics such as an unsteady state, two-phase oil–gas flow, and complex flow field distribution, making it difficult to study through theoretical or experimental means, leading to unclear patterns of complex oil–gas two-phase flow formed in the gearbox lubrication.

Molylub Sorbitol CLP gera oils

In the field of gear lubrication research, the primary task is to develop modeling and solving techniques for gear lubrication systems that can handle multi-field coupling. This is crucial for gaining an in-depth understanding of the lubrication and dynamic characteristics of gearboxes. Therefore, this study selects a high-speed gearbox model as the research object and employs the LBM to conduct a detailed analysis of the dynamic evolution of the gear lubrication process when baffles are present. Furthermore, numerical simulations of the lubrication flow field in the gearbox under different rotational speeds, baffle configurations, and oil immersion depths are performed, revealing the variations in flow field dynamics under different flow rates and configurations of mixed components.

The core contribution of this study lies in the development of a new method for dynamic modeling and solving of high-speed gear lubrication flow fields based on LBM–LES coupling. It delves into the lubrication dynamics characteristics and optimization design strategies during the complex meshing process of gearboxes. The research findings provide valuable references for the lubrication design and optimization of gear transmission systems in high-tech fields such as aviation and aerospace, helping relevant technicians understand the complex mechanisms involved in the lubrication process, thereby enabling the design of more efficient and reliable lubrication systems, and enhancing the performance of the entire transmission system.