Trelleborg: Demonstrates how lubrication management and counter-surface technology can make hydraulic applications more sustainable


Trelleborg Sealing Solutions is a leader in hydraulic sealing and responsible for the original materials and sealing elements that are now fundamental in hydraulic applications. Pushing the capabilities of sealing technology for hydraulics, Trelleborg has focused on improving performance while making hydraulic applications more sustainable.

Lubrication management not only prolongs seal life, it also dramatically reduces friction, reducing the energy needed to power hydraulic systems and potentially allowing for downsizing of drive components. Closely linked to lubrication management, Trelleborg’s surface coatings research optimizes alternative surfaces to chrome, which is now banned as a counter-surface due to environmental regulations.

Dr. Mandy Wilke, Senior Manager Global Technical and Intellectual Property Management at Trelleborg Sealing Solutions, says: “Lubrication management goes beyond the selection and application of a lubricant. This involves managing and adjusting the lubrication conditions of all elements of a sealing system, reducing the load on each element and optimizing the frictional life of the system.

“A more holistic approach to machine maintenance, lubrication management focuses on the friction points: the seals and bearings and interfaces between moving surfaces that are constantly under pressure and wear. When friction is minimized, the risk of system damage and failure is often In addition, the resulting increase in energy efficiency can allow for lower energy density in the system, thereby reducing heat sources potentially harmful.

“In an effort to reduce downtime and unplanned costs, while maintaining the integrity of the sealing system, hydraulic power experts must assess the problem before designing the right solution in terms of materials, application and maintenance.

“Traditionally, piston rods in hydraulic systems were chrome plated to provide corrosion resistance as well as friction and surface finish characteristics; however, this is no longer a sustainable option. Under REACH, hexavalent chromium (CR6) must now be omitted from any hydraulic application, leading to the adoption of alternative coatings for hydraulic cylinder piston rods. To maximize the performance and life of seals in hydraulic actuators, these- These must be designed to optimize the tribology of a system, which depends on the interaction of seals, hydraulic fluid and the finish of the mating surfaces.

“Lubrication in the hydraulic system fundamentally affects the surface finish of the mating surfaces. Their characteristics will determine the lubrication in the system and, therefore, the tribological environment and ultimately the overall energy consumption of the system.”

Trelleborg Sealing Solutions provides resources for lubrication management and counter-surface technology. These include webinars, brochures and white papers. Go to: Hydraulic fluid

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