The Basics of Lubricants and lubrication

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Presentation transcript:

The Basics of Lubricants and lubrication

Meaning of lubrication Friction - is created when there is relative motion between two surfaces Resistance to motion is defined as friction Lubrication is use of a material between surfaces to reduce friction Any material used is called a lubricant

Methods of lubrication Two main methods Hydrodynamic lubrication Boundary lubrication Also called complete or full flow Occurs when two surfaces are completed separated by a fluid film

Methods of lubrication cont.. Two main methods Hydrodynamic lubrication Boundary lubrication Occurs when Hydrodynamic lubrication fails. By adsorption or chemical reaction

Types of Lubricant - Physical Liquid Solid Semi solid Gases

Types of Lubricant - Physical Liquid Typical lubricants are liquid/fluids Mineral oil or synthetic oils Solid Graphite Semi solid Greases Gases Atomised 2 stroke oils

Typical lubricants - Application Engine oils Gear Oils Turbine Oils Hydraulic Oils Metal working oils Rust preventives

Protection Protection against acids and moisture Very important to increase life of component and equipment

Thank you