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Can Marine gears and wire cables be fixed with a single grease?
2024 / 03 / 18
Can Marine gears and wire cables be fixed with a single grease? Ship decks and underwater machinery are always exposed to the harshest Marine environments and are essential to ship operations and safety. Maintaining them from corrosion, wear and tear is our top priority, while keeping expenses low. The cable drive gear and the rotary gear of the crane used in ships and ports are subjected to extreme stresses, and these open gears must be well protected in the extreme environments of sailing. The Marine environment may be very suitable for people to vacation, but for equipment components, high humidity, high temperature sea breeze and occasionally accompanied by small droplets and large waves can pose a huge challenge to their normal operation. Therefore, lubricants for open gears need to meet the requirements of extreme conditions: the lubricant cannot drip or be washed away by seawater, otherwise the tooth surface will lose lubrication protection. This will cause wear and corrosion of the gear, eventually leading to failure. What provides the most reliable protection for transmission gears and wire cables? Is a good adhesion lubricant! It adheres firmly to the gear and cable surface without dripping, providing excellent lubrication and corrosion protection for the tooth surface. This type of lubricant also extends the re-lubrication interval and significantly reduces the amount of lubricant used. In practical applications, the appearance of the lubricant is also very important. Early open gear lubricants were black because they contained graphite, which dropped on the deck and immediately turned into black stains, requiring regular cleaning, whic
How to choose hydraulic oil to prevent pipe explosion?
2024 / 03 / 15
How to choose hydraulic oil to prevent pipe explosion? Hydraulic system is an important part of construction machinery, and the selection of hydraulic oil is a key issue. Most of the faults in the operation of hydraulic system are caused by the pollution and improper selection of hydraulic oil, of which improper selection of hydraulic oil is an important aspect. Therefore, the correct selection of hydraulic oil is of great significance to improve the reliability and economy of the operation of hydraulic equipment, extend the service life of the system and components, ensure the safe operation of the equipment and prevent accidents. Causes of pipe explosion of excavator: Tubing aging There are few cases of pipe explosion in the new machine, and the problem of oil leakage and pipe explosion slowly begins after 4-5 years of use, which is actually due to the failure caused by the aging of the tubing. It is usually to replace the damaged oil pipe, in fact, you can consider replacing the whole car oil pipe, which can save the time of stopping after the explosion. Excessive line pressure Hydraulic pipe often burst phenomenon, it is necessary to consider whether the hydraulic system pressure is too large and lead to tube explosion, this situation must first use the pressure gauge
Do you understand all the grease standards for construction machinery?
2024 / 03 / 14
Do you understand all the grease standards for construction machinery? First, the physical and chemical indexes of engineering machinery grease The physical and chemical indexes of grease mainly refer to the appearance, consistency, metal corrosion and rubber compatibility. The type and quality of grease can be preliminarily judged by its appearance. Consistency is the soft and hard consistency of grease, which initially reflects the thixotropy of grease, that is, the difficulty of deformation of grease under external force; Corrosion is whether the grease corrodes the metal and inhibits the corrosion of the metal index; In some lubrication areas, compatibility with rubber is very important. NB/SH/T0985-2019 standard does not require the color of the product, but specifies the consistency, corrosiveness and compatibility of the rubber. 1. Consistency Consistency is the basic index of grease, indicating the soft and hard consistency of grease, and has an important relationship with the retention ability of grease in the lubrication part, sealing property, and the way of pumping and filling of grease. At present, the consistency grade commonly used in the world is according to the consistency grade of the American Grease Association (NLGI), which divides the consistency of grease into nine grades, as shown in the following table.
Liquid nitrogen instead of cutting fluid
2023 / 10 / 31
Liquid nitrogen instead of cutting fluid, machining and cutting in the environment of more than 100 degrees below zero! In the tool wear mechanism, "wear" itself is not the only cause of tool failure, "high temperature" is the real enemy of the tool. Due to the influence of high temperature, the slight wear of the tool may "self-magnify". That is to say, when the cutting edge of the tool becomes slightly dull, due to the increase in friction during cutting, it may lead to an increase in cutting heat, so that the tool temperature increases, the tool material softs - this will promote the cutting edge of the tool to further passivation at a faster speed, and the more serious the tool passivation, the greater the cutting friction, the higher the tool temperature, so forming a vicious circle. Eventually, the tool will fail in a "self-accelerating curve" driven by the cutting heat. The cutting fluid we call "coolant" is not entirely successful in providing cooling functions. Although castable cooling can eliminate part of the heat generated during the processing process, its cooling action is separated by a certain distance and cannot reach the real heating zone (that is, the cutting zone where the tool cuts the workpiece material under the chip). The method of conveying coolant through the inner channel of the spindle tries to bring the coolant closer to the cutting zone, while the new technology of conveying coolant through the inside of the blade does bring the coolant very close to the cutting zone. In conventional wet cutting, the main role of the cutting fluid is to lubricate and/or spray on the tool and workpiece to take away heat. In low-temperature cutting processing, the role of cutting fluid
recycling technology of waste release agent, hydraulic oil and cutting fluid
2023 / 10 / 30
Discussion on recycling technology of waste release agent, hydraulic oil and cutting fluid Release agent wastewater treatment Current status The release agent is the solvent used in the process of mold cooling and product release in die casting production. In the process of use, part of the release agent is consumed in the process of use, and some of it enters the sewage treatment system or is directly discharged through the sewage pipe, which either generates a large amount of treatment costs or causes pollution to the environment. There's no good way to do it or recycle it perfectly. Problems that need to be solved Due to the different quality of the release agent and the different formula, the degree of emulsification of the liquid is different, and the solid content of the release agent is different. If the release agent needs to be recovered, the following problems need to be solved: 1. Impurities: filter to the appropriate accuracy, without affecting the effective ingredients in the release agent, but also to filter out impurities, can not block the nozzle; 2. Waste oil: filter out the oil in the release agent, prevent the product from having yellow spots, black spots, and prevent the breeding of bacteria in the process; 3. Deodorization and sterilization: inhibit the bacteria that have been produced to prevent the liquid from stinking; 4. Concentration determination: automatically match the required concentration to prevent sticking, drawing and strainin
Selection method of steel cold rolling and rolling oil
2023 / 10 / 27
Selection method of steel cold rolling and rolling oil Cold rolling is the process of plastic deformation of metal materials by rolling under the recrystallization temperature. In the rolling process, the plastic deformation of the metal will produce deformation heat, and the friction between the strip and the roll surface will produce friction heat. Therefore, in cold rolling, rolling oil or rolling fluid is usually used to lubricate and cool the deformation area. Rolling fluid is a kind of emulsion which is made by mixing rolling oil and water which can be emulsified. The usual concentration is 0.5% ~ 5.0%. The following is a simple introduction of how to select rolling oil for general carbon steel strip cold rolling mill from the perspective of rolling oil performance indicators: Saponification number When rolling strips of different specifications, the mill has different requirements for the lubrication degree of rolling fluid, and we will initially use the saponification value of pure oil to classify the lubrication quality of rolling fluid. Generally, the higher the saponification value, the better the lubrication. The rolling force decreases with the increase of saponification value for the rolling mill with the work roll surface width less than 800mm. When rolling thicker and thinner plates above 0.5mm, it is recommended to use mineral oil series rolling oil with saponification value of about 30 ~ 50mgKOHg with low lubrication property, and
What should I do if the hydraulic oil bubbles and blackens?
2023 / 10 / 26
What should I do if the hydraulic oil bubbles and blackens? 1. There are bubbles in hydraulic oil Abnormal machine operation In simple terms, if there are bubbles in the hydraulic oil, the first impact is the transmission efficiency, and the more straightforward construction of the machine will be abnormal! Hydraulic system abnormal sound If the machine can obviously hear a large pump noise in the cab that is different from normal construction, it is likely that the bubble increases the vibration and noise generated by the system! High hydraulic oil temperature Many machine owners have wondered why the sudden high temperature failure of hydraulic oil at the end of the machine? In fact, it is the air bubbles floating in the hydraulic oil that cause trouble! When these bubbles swim through the high pressure area, they will quickly be compressed from the normal pressure state, resulting in a sudden rise in local temperature, and the oil will deteriorate under high temperature conditions for a long time, that is, our common hydraulic oil black! 2. How to check the hydraulic bubble Since the cause of the failure is the bubble, we also understand the harm of the bubble to the machine, then immediatel
Why can triethanolamine be used in antifreeze,triethanolamine
2023 / 10 / 25
Triethanolamine can corrode aluminum, why can it be used in antifreeze The thermal expansion of all kinds of antifreeze is large, and can only be added to 95% of the total capacity of the cooling system when filling. When deploying antifreeze, its freezing point should be 5℃ lower than the lowest temperature in the area where it is used. Corrosion inhibitors can be divided into two categories: one is inorganic compound corrosion inhibitors, which include metasilicates, phosphates, tungstate, borate, nitrite and molybdate, benzoate and so on. As an inorganic compound corrosion inhibitor, it can form a dense passivation film on the metal surface, which can block or prevent the hydrogen and acid infiltration of metal. The other is an organic compound corrosion inhibitor, which is often used as an anti-rust additive in antifreeze. Commonly used are triethanolamine, benzotriazole, mercaptobenzothiazole, organophosphate, etc., the corrosion inhibition performance is better, triethanolamine, phosphate, organophosphate, although the corrosion of black metal is good, but the corrosion of brass, copper; Silicate is an excellent corrosion inhibitor for aluminum, but it is extremely easy to hydrolyze and form a large amount of flocculent precipitation. Although the cost of these single varieties of corrosion inhibitors is low, it is difficult to meet the performance requirements of many aspects of antifreeze.
rust-proof,yellow spot on the surface of the spring after rust prevention
2023 / 10 / 24
Why is there yellow spot on the surface of the spring after rust prevention? Why do springs rust? As a metal product, the spring will rust when placed in a humid environment for a long time. Spring rust will not only make its appearance ugly, but also affect its service life and performance. Therefore, we need to de-rust the spring. After industrial cleaning of the spring, there is still a layer of similar grease on the surface that cannot be washed off. With hot alkali water, pickling can not be cleaned, there will be black oil stains after paper wiping, the surface dirty lead to delivery cleanliness is not up to standard. Mechanical cleaner This is a common way to remove rust from springs. Mechanical cleaning method requires the use of some tools, such as sandpaper, wire brush, grinding and so on. The specific steps are as follows: 1. Wipe the surface of the spring with sandpaper or wire brush to remove the rust and oxidation layer on the surface. 2. Check whether there is still stubborn rust on the spring, if there is, you can use the grinding head to remove. 3. Apply a certain amount of oil or anti-rust oil to prevent rust.
2023 / 10 / 18
Can high temperature chain oil carbon deposit be solved by replacing oil suppliers? Can the high temperature chain oil carbon deposit be solved by replacing the oil supplier? This should be a question that every customer thinks about! So when the high temperature chain oil carbon, exactly what to do? When carbon deposits are produced, this should be done: 1. Replace high temperature chain oil with good quality. If the chain is no longer able to walk, pull it out to clean and remove the residue in the conveyor line, check whether the chain is seriously worn and can continue to be used. Depends on whether to replace the chain. 2. Appropriate lubrication and regular cleaning. When the chain has coking and carbon accumulation hinders the operation of the chain, clean it with solvent oil or soak it in chemical agents. The amount of work is relatively large. How to reduce carbon deposition, it is necessary to know the coking cycle of various high temperature chain oils The use temperature of mineral type high temperature chain oil is below 150
Oil price increase,Small and medium-sized businesses are under pressure
2023 / 10 / 17
Ten lubricant brands have opened a tide of price increases, and small and medium-sized dealers are facing greater pressure "Gold nine silver ten", the oil industry once again set off a "rise" sound. It is understood that this round Shell, Mobil, the Great Wall, Kunlun and other first-line lubricant brands have raised prices, the increase is generally more than 5%, the highest 10%. For the lubricant industry, on June 30, the State Tax Administration of the Ministry of Finance issued the Announcement of the State Tax Administration of the Ministry of Finance on the implementation of the consumption tax policy of some refined oil products, which led to a sharp rise in the price of base oil such as industrial white oil. Some analysts believe that this will lead to a sharp increase in prices across the industry. Affected by this, FOss lubricants issued the "FOSS solvent products Price adjustment Notice Letter", announcing that from August 1, the price of related solvent lubricants will be adjusted in different proportions, and the adjustment range is about 10% due to different products. At the same time, the international crude oil production reduction has led to a tightening of the crude oil market supply, resulting in a rise in prices, which has triggered a violent reaction of lubricant brands. In early August, Uni-President Petrochemical said that due to the continued high prices of raw materials such as base oil, the price of some products
2023 / 10 / 14
Accidentally ingested antifreeze, the man unfortunately died, the blood turned into jelly Recently, a 60-year-old man in Zhumadian, Henan province, after work Accidentally drank 500 milliliters of car antifreeze It took 11 hours to get medical attention She was rescued in Zhumadian Downtown Hospital Women's and Children's Hospital At the time of medical treatment, the blood had congealed like jelly Eventually, the man suffered liver and kidney failure He died after treatment failed
2023 / 10 / 13
Lubricating oil "price rise tide" : many dealers to stock up, "big-name goods" become the first choice Recently, with the landing of the latest consumption tax collection caliber, the lubricant industry has set off a round of "price increase tide" nationwide. With a keen sense of smell, auto repair factories, fuel stations, 4S stores have opened the stock up mode, and the relatively stable price of the big factory brand has become the most favored "first choice explosive" of the hoarders. It is reported that the price increase of this round of lubricating oil is generally more than 5%, and the highest increase reached 10%. Shell, Mobil, Great Wall, Kunlun and other first-line brands have raised prices at the same time. The industry pointed out that the implementation of the consumption tax policy, rising raw material prices, and changes in international oil prices are all factors that jointly promote this round of price increases. Consumption tax collection calibre adjustment: 1500 yuan per ton On June 30, the State Tax Administration of the Ministry of Finance issued the Announcement of the State Tax Administration of the Ministry of Finance on the implementation caliber of the Consumption Tax Policy of some refined oil Products. The announcement announced the latest implementation of the scope of consumption tax on refined oil products. Affected by this, some oil prices in the industry showed a significant increase.
2023 / 10 / 12
More than 430 billion "earthquake" acquisition! Basf, ExxonMobil, DuPont and others are doing this in response to the economic downturn... Exxonmobil, an American supergiant, the largest energy exploration and extraction company in the United States and formerly the largest company in the world by market capitalization, is closing in on a deal to buy shale giant Pioneer Natural Resources, It's a blockbuster acquisition worth about $60 billion (about 438.09 billion yuan) that will reshape the U.S. oil industry. A successful takeover of Pioneer, which has a market value of about $50bn, would be Exxon's biggest deal since it merged with Mobil in 1999. That would make Exxon the biggest producer in the oil-rich Permian basin of West Texas and New Mexico, pumping about 1.2 million barrels a day, more than many Opec countries. If the deal goes through, it would be the biggest acquisition this year. It would also extend Exxon's inventory at top drilling sites in the basin for decades, providing low-cost, low-risk crude beyond 2050 for its vast network of refineries along the Gulf Coast. The deal, which was revealed back in April, has been described as "seismic" and reports say the agreement could be completed in the coming days if complications do not arise. Exxon has been exploring options that would take it deeper into the West Texas shale fields after it posted record profits in 2022 and was flush with cash. Buying Pioneer, which has a
2023 / 10 / 11
Domestic oil prices may rise again on October 10, what is the future trend of oil prices? On October 5, 2023, the national comprehensive oil price continued to rise, and it is expected to be adjusted in the evening of October 10 after the National Day holiday, and the oil price increase is about 60 yuan/ton (0.05 yuan/liter -0.06 yuan/liter). This means that oil prices after the Mid-Autumn Festival National Day may be more expensive. In the second half of the year, oil prices continued to rise and have yet to fall. This makes the first 19 oil price adjustments this year a total of 10 rises, 6 falls and 3 stranded adjustments. Cumulatively, this year's oil price has risen by more than 1015 yuan/ton compared to the end of last year, which is equivalent to a rise of more than 0.83 yuan/liter. The 20th oil price adjustment or rise again, the oil price for three months "rose nearly 1 yuan", the current oil price hit a new high this year. No. 95 gasoline "has risen more than 9 yuan", and the oil price this year is "a new high." First, international oil prices rose again, the holiday international oil prices "three rises and one fall" Recently, international oil prices have risen again, and international oil prices have appeared in the "three rises and one fall" market during the holidays. Affected by a variety of factors such as global economic recovery and crude oil supply and demand, international oil prices have continued to rise since the second half of this year. Although there was a brief dip in international oil prices during the holiday season, the overall increase in oil prices still exceeded the increase standard.
What cutting oil should be chosen to solve the difficulty of chip removal in deep hole machining?
2023 / 09 / 29
Deep hole processing is divided into six types: deep hole drilling, deep hole gun drilling, deep hole boring, deep hole drilling, deep hole honing, scraping and rolling machine tool processing, and more! Of course, the cutting oil used is also different. Processing characteristics of deep hole drilling machine tools: 1. The tool holder is limited by the aperture, with small diameter and large length, resulting in poor rigidity and low strength. During cutting, it is prone to vibration, ripple, and taper, which affect the straightness and surface roughness of deep holes. 2. When drilling and expanding holes, it is difficult to input cooling lubricant into the cutting area without using special devices, which reduces tool durability and makes chip removal difficult. 3. During the processing of deep holes, it is not possible to directly observe the cutting condition of the tool. Instead, one can only rely on work experience to listen to the sound of cutting, observe chips, touch the vibration and workpiece temperature, and observe instruments (oil pressure and electricity meters) to determine whether the cutting process is normal. 4. It is difficult to remove chips, and reliable methods must be used to break and control the length and shape of chips, in
2023 / 09 / 28
The Mid-Autumn Festival is here, and Chorus Lubricant Additive Company sincerely wish you and your family a happy Mid-Autumn Festival! Because of your support and trust, we can continue to move forward. It is precisely because of your company and support that we can continue to break through ourselves, provide customers with better services, and create a better working environment for our employees. Today, we use the beauty of the Mid-Autumn Festival to express our gratitude. The Mid-Autumn Festival is a time for family reunion, just like the night of the full moon, we are also willing to share this feeling of reunion with you. May your family be harmonious and happy. No matter where you are, you can feel the warmth of home and enjoy the joy of reunion. I wish you and your family a happy Mid-Autumn Festival! May the light of the full moon illuminate your future, and may the warmth of your family accompany you every day. Thank you for your continued support and we look forward to creating more wonderful moments with you.
How to Choose Lubricant Enterprises under the New Energy Tide
2023 / 08 / 22
In the past five years in China, the sales of fuel vehicles have decreased by nearly 10 million units, while the sales of new energy vehicles have increased by nearly 6 million units. It has become a fact that new energy vehicles are constantly seizing market share of fuel vehicles. From both the market and policy perspectives, under the global goal of "dual carbon", the path of replacing traditional fuel vehicles with new energy vehicles has already been fully explored. The transformation of large factories is accelerating, and competition on the track is intensifying! Both international and state-owned brands are seeking new breakthroughs in lubricant related enterprises. In the past few days, Sinopec has invested another 500 million yuan to establish a new lubricant company, perhaps also laying out a layout for new energy vehicles. After everyone has experienced the ups and downs of the fuel vehicle market, a new battlefield has clearly opened up! Under this premise, the numerous downstream industries that are dependent on the fuel vehicle industry will naturally face more challenges. Among them, lubricant companies that not only target C-end consumers but also establish deep connections with B-end vehicle manufacturers and service providers are the first to be affected by electrification. But in electric vehicles, the integrated electric motor structure replaces the engine body, which also means that pure electric vehicles will not require engine lubricating oil at all. Instead, an integrated motor structure was adopted, and a battery, motor, and electronic control system were added. The oil r
Application of Triethanolamine in Cutting Fluid
2023 / 08 / 22
Triethanolamine is an important additive in water-based cutting fluids. Regardless of which cutting fluid is used, triethanolamine is used, indicating the importance of triethanolamine in cutting fluids. However, what role does triethanolamine play in cutting fluids? What are its functions in cutting fluids? Let's talk about the following functions of triethanolamine in cutting fluids. 1. Properties of triethanolamine Triethanolamine, also known as aminotriethanol, has a molecular formula of C6H15O3N. Triethanolamine has a wide range of industrial applications, such as in the oil and fat industry, petroleum processing industry, textile industry, rubber and environmental protection. Triethanolamine is generated by the reaction of ethylene oxide and ammonia water, and its refined product is a colorless viscous liquid. It has strong hygroscopicity and turns yellow brown in the air. Easily soluble in water and ethanol, slightly soluble in ethyl ether and benzene. PH=8-8.5, cannot evaporate with water vapor. 2. The role of triethanolamine in water-based cutting fluids 2.1 Synthesis of water-soluble oil based agents At present, most of the oil based agents with good lubrication performance are long carbon chain substances, which are mostly
What are the specific classifications of special oil products? What about segmented markets?
2023 / 07 / 30
Special oil is a type of oil that has all the functions different from ordinary oil products. Through advanced refining processes, specific high-quality crude oil can be processed into environmentally friendly solvent oil, metal processing oil, ink, rubber oil, refrigeration oil, and other special oil products. Compared with conventional oil products, special oil products can better meet special needs. Today we will take a look at the specific classifications of special oil products? What about segmented markets? 1. Classification of Special Oil Products 1.1 Special machinery lubricating oil Super anti-wear hydraulic oil, super anti-wear hydraulic oil, super circulating oil, extreme pressure industrial Gear oil, multi effect Gear oil, advanced diesel engine oil, reciprocating air compressor oil, screw air compressor oil, refrigeration oil, vacuum pump oil, turbine oil, heat transfer oil, guide rail oil, knitting oil, Spindle oil, food grade white oil, rubber oil, transformer oil, automatic transmission oil, high-speed spindle oil, extreme pressure lithium grease High speed bearing grease, Molybdenum disulfide lithium based grease, multi effect grease, composite lithium based grease, high-temperature bearing grease, low-temperature bearing grease, high-grade white grease, loader special oil, others are not classified. 1.2 Metal p
Deep analysis of ferrous water-based rust inhibitor
2023 / 07 / 30
With the continuous development of industry, the use of steel is also increasing. However, during the production process or finished product storage process, steel sheets are prone to oxidation and rust when encountering humid air and rainy days, which affects the appearance quality of products. This has brought problems to the use of steel, and the annual loss of steel caused by corrosion is astonishing. According to statistics, the annual loss of steel due to corrosion worldwide is equivalent to 30% of annual production. Not only that, the equipment will also be damaged due to corrosion, causing shutdown and production, resulting in a decrease in product quality and causing huge losses to social wealth. Rust is a major enemy of steel, so how to protect steel, prevent its rusting and deterioration, and increase its service life has become a common topic of concern. Metals are divided into non-ferrous metals and Ferrous, and Ferrous include iron, manganese and chromium. Iron is hard and ductile, has strong ferromagnetism, good plasticity and thermal conductivity, and is widely distributed on Earth. Various alloys based on iron, including cast iron, carbon steel, stainless steel, etc., are widely used.
6 indicators! Teach you how to use vacuum pump oil correctly
2023 / 07 / 09
If you do not understand the principle of vacuum pump oil, you will misuse oil, reduce pump performance, and cause malfunctions. You will also understand the working principle of oil, use oil correctly, and know how to select oil correctly. We know that vacuum pump oil plays a lubricating and sealing role in vacuum pumps. If the vacuum pump oil is used incorrectly, it can cause smoke from the exhaust port. Oil plays a crucial role in pumps. Many applications use other brands of oil to mix or directly replace them with cheap oil in order to save costs. When different oils are mixed, conflicts may arise due to different indicators such as oil ignition point and vapor pressure, Using cheap oil instead, the performance parameters are not up to standard, reducing the effectiveness of the oil. Vacuum pump oil is also a factor that directly affects the lifespan of the pump. To choose vacuum pump lubricating oil, it is necessary to first clarify several performance indicators of the pump oil, which are the principle parameters of the pump oil. 1. The steam pressure of qualified pump oil should not be too high. Steam pressure is an important parameter for pump oil, as it is a factor that ensures the vacuum pump to continuously and quickly obtain vacuum and maintain the stability of the ultimate pressure. Pumps with different vacuum degrees have different requirements for the saturated vapor pressure of the pump oil. For ultra-high vacuum or high vacuum with high vacuum degrees, the saturated vapo
Standard for viscosity classification of internal combustion engine oils in China
2023 / 06 / 18
The viscosity of internal combustion engine oil is an important indicator that affects its lubrication performance, including low-temperature starting viscosity, low-temperature pumping viscosity, kinematic viscosity, and high-temperature high shear viscosity. This article introduces the viscosity indicators and test methods of internal combustion engine oils, as well as the situation of classification standards for internal combustion engine oils in China. It interprets the revised content of GB/T 14906-2018 "Viscosity Classification of Internal Combustion Engine Oils" implemented on July 1, 2019. 1. Development of SAE viscosity classification standards for internal combustion engine oils The engine oil viscosity classification system established by the Society of Automotive Engineers (SAE) in the United States began in 1911 and has undergone more than 20 revisions. It establishes the relationship between engine oil viscosity and service performance based on the engine's requirements for lubricating oil viscosity temperature performance. The latest version is SAEJ300-2015. The initial specifications specified the specific gravity, flash point, ignition point, residual carbon value, and viscosity (Saybolt viscosity), and the viscosity code was set based on the average of its low or high temperature viscosity requirements, taking the first two digits. In 1926, the first SAE viscosity classification based on Saybolt viscosity was introduced, which defined six viscosity levels of 130 ℉ (54.4 ℃) and 210 ℉ (98.9 ℃), represented by the numbers 10, 20, 30, 40, 50, and 60. Subsequently, in 1933, low temperature viscosity levels of 10W and 20W were introduced at 0 ℉ (-17.8 ℃), w
Automation Practice and Development Trend of Lubricant Blending and Filling Production Line
2023 / 06 / 18
The production process of lubricating oil mainly includes the following steps: firstly, the design of the lubricating oil mixing manifold; Secondly, the formulation design of lubricating oil; Thirdly, quality control; Fourthly, lubricating oil blending operation; Fifth, filling; Sixth, leaving the factory. By analyzing the production process of lubricating oil, it is clear that the second, third, fourth, and fifth ring segments are the key process links in lubricating oil production. This article only conducts research on the two process steps of lubricating oil blending and filling. During the blending process, it normally needs to blend different Lubricant Additive Component or Additive Package with different base oil, like Mineral Base Oil, Polyester Base Oil, etc. 1.1 Lubricating oil blending Lubricating oil blending mainly refers to using lubricating oil crude oil as the foundation and adding additives to the original through fine processing to improve the quality indicators of lubricating oil. The common lubricating oil crude oil is called base oil (hereinafter referred to as base oil), and the basic requirements for base oil are: refined processing technology; The ingredients do not contain asphalt or wax. The quality indicators of lubricating oil mainly refer to its viscosity, application effect, color, etc. [1]. The connotation of lubricating oil blending can clearly indicate that the purpose of blending base oil is to change the quality indicators of base oil and improve the comprehensive quality of lubricating oil products by adding additives.
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