What are the basic knowledge points about industrial lubricants from Henan’s industrial lubricant manufacturers?
发布时间：2022年05月06日 12:01
The industrial lubricants produced by Henan’s industrial lubricant manufacturers mainly include hydraulic oil, gear oil, turbine oil, compressor oil, refrigeration oil, transformer oil, vacuum pump oil, bearing oil, metalworking fluids (liquids), rust-preventive greases, cylinder oils, heat-treatment oils, and thermal conductive oils. In addition, there are also greases based on lubricating oils as base oils and thickeners. Users of industrial lubricants come from enterprises across various industries. Generally speaking, the variety and quantity of lubricants they use depend not only on product prices but also on product quality and technical characteristics, as well as on the quality of technical services provided.
The basic performance and main selection criteria for industrial lubricating oils from Henan’s industrial lubricant manufacturers are viscosity; therefore, it is necessary to first introduce viscosity. GB/T 3141-94 is the ISO viscosity classification for industrial liquid lubricants, which corresponds to the ISO viscosity classification for industrial liquid lubricants in the international standard ISO 3448-1992.
Generally speaking, under medium-speed, medium-load, and low-temperature conditions, a lubricant with medium viscosity should be selected. Under high-load, low-speed, and high-temperature conditions, a lubricant with high viscosity or one containing extreme-pressure anti-wear additives should be used. Under low-load, high-speed, and low-temperature conditions, a lubricant with low viscosity is recommended. Synthetic lubricants should be chosen for special applications requiring a wide temperature range, light loads, and high speeds.
The basic performance and primary selection criterion for greases is cone penetration, which is used to classify grease consistency grades. Therefore, it should also be introduced to users. Cone penetration is a commonly used indicator for controlling the working consistency of various greases. It reflects the grease’s ability to penetrate into friction points as well as its hardness and softness.
Generally speaking, when bearings lubricated with grease are subjected to heavy loads and low speeds, a grease with a small cone penetration should be selected. Conversely, when the load is relatively light and the rotational speed is high, a grease with a higher cone penetration should be chosen.
Industrial Lubricant Transportation and Storage by Henan Industrial Lubricant Manufacturers:
(1) Bulk oil
1. Containers containing lubricating oil need to be cleaned;
2. The transportation and storage of transformer oil and steam turbine oil require “dedicated tanks and pipelines”; other types of oils shall have storage and transportation facilities configured according to their respective categories: internal combustion engine oil, hydraulic oil, and gear oil.
3. During transportation and storage, special attention should be paid to preventing the mixing of water and impurities.
4. The storage period for bulk lubricating oils generally does not exceed six months.
5. The density of lubricating oil is approximately 0.75 to 0.95 g/cm³, making it lighter than water and insoluble in water. The flash point (open cup) of lubricating oil is generally above 150℃. This makes it a combustible material. During storage and transportation, care must be taken to prevent leakage, environmental contamination, and fire hazards.
6. Indicate the product name, brand, grade, quantity, and date of入库;
7. In principle, engine oils of the same type produced by different manufacturers should not be stored together. If they cannot be stored together, a “mixing test” should be conducted first to confirm that no adverse reactions will occur before use.
(2) Bottled oil
1. Rough handling is strictly prohibited when loading and unloading crude oil. The stacking height of the oil should be appropriate, and the number of layers should not be excessive to avoid the risk of collapse or crushing of the product.
2. During transportation and storage, special attention should be paid to preventing the mixing of water and impurities.
3. The shelf life of lubricants stored in drums can be longer than that of bulk lubricants, but generally does not exceed one year.
4. Different oil products should be stored separately, and clear markings should indicate the product name, brand, grade, quantity, and date of入库 to prevent misdelivery.
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