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Grease generally consists of a soap emulsified with mineral or vegetable oil. A common feature of greases is that they possess a high initial viscosity, which upon the application of shear, drops to give the effect of an oil-lubricated bearing of approximately the same viscosity as the base oil used in the grease.
- What are the components of grease?
- What is the formula for grease?
- What is the raw material of grease?
- What is the name of lubrication?
- What is organic grease?
- What is the density of grease?
- What is the difference between regular grease and lithium grease?
- What is bearing grease?
- How is industrial grease made?
- What is a sodium grease?
- What is soap type of grease?
- What is lithium based grease used for?
What are the components of grease?
Greases are manufactured by combining three essential components: base oil, thickener, and additives.
What is the formula for grease?
The formula is as follows: Re-lubrication Amount of Grease (g) = 0.005 * Bearing Outside Diameter (mm) * Total Bearing Width (mm). If the speed and load are known for the bearing; only then can a frequency be determined, otherwise it is trial-and-error.
What is the raw material of grease?
The basic raw materials used in the manufacture of grease are fats, metallic hydroxides, oils, and additives. Fats are usually defined as being a solid at room temperature whereas an oil would be a liquid at that temperature.
What is the name of lubrication?
Many different substances can be used to lubricate a surface. Oil and grease are the most common. Grease is composed of oil and a thickening agent to obtain its consistency, while the oil is what actually lubricates. Oils can be synthetic, vegetable or mineral-based as well as a combination of these.
What is organic grease?
organic grease that contains no paraffin or oil by-products. ... The organic grease outperforms the oil-based grease by three times the pressure.
What is the density of grease?
Density means the volume weight of a substance. In oils, it is usually indicated in the temperature of +15°C or +20°C, in units kg/m3. Lubricant densities range between about 700 and 950 kg/m3, depending on the quality, viscosity and additive content of the lubricant.
What is the difference between regular grease and lithium grease?
The main difference that exists between standard lubricating grease and lithium grease is that standard grease is often used in industrial settings and lithium grease is primarily used in domestic settings.
What is bearing grease?
Lubricating grease for rolling element bearings consists of thickener, oil and selected additives to improve desired properties. The actual lubricant for a rolling bearing is oil, which can be a mineral oil, fully synthetic or a blend of the two.
How is industrial grease made?
Lubricating grease is made by dispersing the thickener (solid phase) into the lubricating fluid (liquid phase) to form a stable product. In most cases, the thickener is the reaction product of carboxylic acid(s) and alkaline earth metal hydroxide(s), forming an organic salt, commonly referred to as a soap.
What is a sodium grease?
Sodium Grease (Soda Soap)
Generally a fibrous textured, stringy grease, that was used as a standard wheel bearing grease for many years. Dropping points will vary between 300 – 400°F, and have good shear stability. A low-cost grease that has good rust protection, but very poor water resistance.
What is soap type of grease?
Soap‑based greases are produced from three main ingredients. One is the fatty material (animal or vegetable), which is usually 4 to 15 percent of the total, called the acid. The next is the base or alkali, which is the opposite of an acid.
What is lithium based grease used for?
Lithium grease is the most commonly used lubricating grease around the globe - accounting for 75% of lubricating applications across all industries. In the automotive industry it is commonly used as a lubricant in wheel bearing and chassis applications.
