Universal lithium base grease and preparation method thereof

Abstract

The invention relates to universal lithium base grease and a preparation method thereof. The universal lithium base grease comprises the following components in proportion by weight: 70%-80% of naphthenic base 150 BS base oil, 10%-15% of 12-hydroxy stearic acid, 10%-15% of stearic acid, 1%-1.5% of lithium hydroxide, 1%-2% of calcium hydroxide, 1.5% of 405 EP antiwear additive, 1.5% of 202 antioxidant and 0.3% of pigment. The lithium base grease of the invention has high temperature resistance and wear resistance, can not bleed in a long-term storage environment, can not have structural change because of long-term storage or temperature, and greatly improves the service life of the product; the water resistance of the product is improved; the service temperature range is increased compared with the similar products; the impurity number of the finished product is strictly controlled in the national specialized range; and the mechanical failure of the grease operation caused by the grease problem is avoided.

Description

technical field [0001] The invention relates to a general-purpose lithium-based lubricating grease and a preparation method thereof. Background technique [0002] General-purpose lithium-based grease is suitable for the lubrication of rolling and sliding friction parts of various mechanical equipment in the temperature range of -20 to 120°C. At present, the domestically produced grease has the following major disadvantages: Lithium-based grease has long-term disadvantages of poor anti-wear performance , and should not be mixed with other lubricating greases, storage is easy to oil separation, inferior products due to excessive impurities cause grease operation mechanical blockage, small operating temperature range, poor water resistance, can no longer meet the increasingly stringent requirements of modern industry. Contents of the invention [0003] The object of the present invention is to solve the above problems and provide a general-purpose lithium-based grease with hi...

AI Technical Summary

Problems solved by technology

[0002] General-purpose lithium-based grease is suitable for the lubrication of rolling and sliding friction parts of various mechanical equipment in the temperature range of -20 to 120°C. At present, the domestically produced grease has the following major disadvantages: Lithium-based grease has long-term disadvantages of poor anti-wear performance , and should not be mixed with other lubricating greases, storage is easy to oil separation, inferior products cause grease operation mechanical blockage due to excessive impurities, small operating temperature range, and poor water resistance, which can no longer meet the increasingly stringent requirements of modern industry