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 Lubricating oil manufacturers - lubricating oil (merchants) - investment invitation of lubricating oil manufacturers

Lubricating oil manufacturers - lubricating oil (merchants) - investment invitation of lubricating oil manufacturers

Shandong nerun New Energy Technology Co., Ltd
  • Region: Jinan, Shandong, China Business model: Investment Agency
  • Address: Sutai Industrial Park, Tianqiao District, Jinan City, Shandong Province
  • Main business: Fully synthetic gasoline engine oil, diesel engine oil, industrial oil, industrial lubricating oil, gear oil
Business hotline: 0531-85660902
 Click here to send me a message
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    Lubricant manufacturer -Lubricating oil (merchants) - investment invitation for Lubricant Manufacturers:
    Lubricant manufacturer , Brand of lubricating oil , Oil franchise agent How to choose lubricating oil in summer?

    Lubricating oil is the blood to maintain the life of the engine. It is the component that can cool and lubricate the engine. Now, more and more car owners realize the importance of lubricating oil. In the hot summer, changing season to replace high viscosity lubricating oil has become one of the focuses of the majority of car owners in summer maintenance. How to choose lubricating oil in summer?

    Under the condition of ensuring lubrication, the lubricating oil with low viscosity shall be selected as far as possible according to the air temperature range, engine temperature and actual vehicle conditions. For the engine with better vehicle condition and less wear, the lubricating oil with low viscosity can be selected, while for the engine with serious wear and large clearance, the lubricating oil with slightly higher viscosity can be selected appropriately.

    In addition, due to the large temperature difference in summer and winter, the oil pressure gauge is generally low in summer. If the oil pressure gauge is abnormally high or low, deviates too much from the normal situation or is not within the reasonable range, then it is necessary to thoroughly check to see if there is something wrong with the engine, such as the sensor is broken, the oil circuit is blocked, etc. Do not see the oil pressure gauge on the low side, try to choose high viscosity lubricating oil.

    Many car owners only pay attention to check the quantity of lubricating oil and add it according to the standard, ignoring the replacement of deteriorated oil. As a result, some engine moving parts always operate in poor lubrication environment, thus accelerating the wear of lubricating parts.

    The quality of lubricating oil,

    It is directly related to the service life of the engine,

    Therefore, do not blindly choose engine oil.

    The importance of engine oil for the engine is just like the "blood" of human beings. It circulates and flows in the engine and plays the role of cooling, purifying, anti-oxidation and corrosion protection and sealing friction surface. If the performance of the oil has changed and can not play its due role, it is very dangerous for the engine. Therefore, we need to know how to use oil correctly. When the engine is working, due to the high load and high speed, a large amount of friction work is consumed between the moving parts, which will cause wear and heat on the friction surfaces, and reduce their mechanical properties and destroy the matching relationship. Therefore, the engine is equipped with lubrication system. Its main function is to provide enough clean lubricating oil (hereinafter referred to as engine oil) to reduce friction resistance and zero friction Wear of parts.

    Therefore, we should emphasize the correct use of engine oil,

    And the maintenance of engine lubrication system to prevent the deterioration of lubricating oil.

    Working mode of lubricating oil: due to the different working conditions and positions of various parts of diesel engine, the ways of lubricating oil arriving are different, and the commonly used ones are as follows:

    Pressure lubrication: oil is continuously delivered to the friction surface of parts with a certain pressure by oil pump, such as main bearing, connecting rod bearing and camshaft bearing. This lubrication method is reliable and effective, and it is the main lubrication mode of diesel engine.

    Splash lubrication: oil splashed and thrown out by moving parts will send oil to friction surface, such as lubrication of piston and cylinder friction surface. This kind of lubrication is simple and convenient, consumes less energy, but has poor reliability and is easy to oxidize. Only for auxiliary lubrication of diesel engine.

    Gravity lubrication: with the help of the weight of the oil itself drops or flows down to the friction surface, such as the valve tappet, tappet and cam surface lubrication. In this way, the lubricating machine must be sent to the high place first. Less reliable, Lubricant manufacturer It is only used for lubrication of moving parts on the friction surface which can not be splashed due to small load.

    Solidification lubrication: oil is mixed with oil according to a certain proportion, and the oil is sucked into the cylinder by suction process, and accumulated on the cylinder wall for lubrication, such as the lubrication of two-stroke machine, which does not need any system, but has poor reliability and high oil consumption.

    The lubrication system of the engine adopts the comprehensive lubrication mode,

    Pressure lubrication is the main method and other methods are also used.

    Proper use of lubricating oil

    1. Select the number plate of engine oil correctly

    There are two main conditions for the selection of engine oil brand: one is to select the appropriate oil type according to the severity of the engine working conditions; the other is to select the appropriate oil brand according to the seasonal temperature of the area where the machinery is located, combined with the performance and technical status of the engine.

    2. Change the engine oil in time

    There are generally two ways to change the engine oil. One is to replace the engine lubricating oil according to the specified mileage or service time. This method will cause the lubricating oil to be replaced when it is in good condition, resulting in waste. The other method is to change the oil quality index, once the lubricating ability is lost, replace it in time. It is an accurate method to change oil with quality index. If possible, the physical and chemical indexes of engine oil should be inspected to determine the oil change, so as to avoid waste. Then, how to change the engine lubricating oil can refer to the following methods:

    For engines often used in cold regions, the fuel is easy to condense and mix into the engine oil, so it is necessary to change the oil frequently; on the contrary, the engine often used in warm zone can have a longer oil change cycle.

    For the engine running at full load, the oil entering the cylinder is burned away by the blazing flame, which is not easy to deposit carbon and stain the oil quality, so the oil change cycle can be longer; on the contrary, for the engine running under light load, the oil entering the cylinder is not burned completely, and carbon deposition often forms, which makes the oil deteriorate, and the oil change cycle should be short.

    If the vehicle often works in dusty environment or humid area, the oil change cycle should be short; on the contrary, the oil change cycle can be longer for vehicles that often work in cleaner environment or dry areas.

    For new vehicles or vehicles with newly overhauled engines, the oil change period should be shorter during the running in period; after the running in period, the oil change cycle can be extended as appropriate.

    During oil change, as the residual old oil in the engine will corrode the newly added oil, drain the old oil while it is hot, and then inject it into the oil pan according to the proportion of 3 / 4 diesel oil and 1 / 4 new engine oil, and start the diesel engine to run at low speed for 3-4 After the above cleaning oil is drained and the oil filter is maintained, the new engine oil can be added. The engine oil should not be added too much, otherwise, the crankshaft running resistance will be increased, the diesel engine oil burning will be promoted, and the carbon deposition in the cylinder will be increased.

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    Author: Yuan Jiancai

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    3. Reduce oil consumption

    Check for oil leakage before starting the engine every time. If there is oil dripping from the flywheel edge or the rear end of the oil pan, the crankshaft rear oil seal is leaking; if the oil flows from the camshaft rear end cover along the cylinder block, it indicates that the camshaft rear end cover is not tightly sealed and causes oil leakage; if the oil is thrown out from the crankshaft pulley, it indicates that the timing gear cover gasket is damaged or the device is improper and causes oil leakage; If other gaskets or oil pipe joints are loose and oil leakage is found, oil leakage traces can be seen from the surface. Check whether the connecting screws or oil pipe joints are loose and whether the gasket is.

    If the exhaust smoke blue, the oil is inhaled into the cylinder and discharged after combustion. First, check whether there is oil in the intake pipe. If there is oil, it means that the seal ring of the compressor impeller shaft of the exhaust turbocharger is invalid, and the oil flows into the intake port along the axis, and the sealing ring should be replaced; if the air inlet pipe is dry and without oil, check whether the valve guide sealing cap is in good condition and whether the fit clearance between the intake valve rod and the guide pipe is too large, and replace and repair it.

    4. Prevent oil from being polluted and deteriorated

    If the cooling water enters into the oil pan, the oil will be emulsified and deteriorated. If water is found in the engine oil, the lubricating oil manufacturer shall timely replace the engine oil and find out the origin of the water, such as whether there are cracks in the cylinder head and the engine body, whether the water stop ring of the cylinder liner is aging or not, or the cylinder pad is damaged, and the faults shall be eliminated in time.

    The flow of diesel oil into the oil pan also deteriorates the oil. When the fuel supply quantity of the fuel injection pump of diesel engine is too large, the fuel supply pressure is too low or the fuel injector drips oil and atomization is poor, the diesel fuel injected into the cylinder can not be fully burned, and some of it will flow into the oil pan along the cylinder wall, resulting in the oil thinning, the degree of decline and premature loss of lubrication function. As soon as possible, the fuel injection pump and injection nozzle should be replaced regularly.    

    5. Clean the lubrication system correctly

    In the hot state of the engine, drain all the oil from the crankcase and oil coarse and fine filters. Fill cleaning oil (or filtered light diesel oil) equivalent to 60% - 80% of the standard capacity from the oil filling port, and then make the engine idle for 2-3 min (or remove all fuel injectors and rotate the crankshaft with a handle for 3-5 min). After cleaning, drain the oil. Take out the coarse and fine filter cores, and clean the filter cavity with cotton yarn stained with cleaning oil. Put the primary filter element assembly in the cleaning oil, brush it with a brush, and then blow it with compressed air and replace it. Soak and replace the replaced fine filter element with clean engine oil, add new oil into the filter, and install the fine filter cover. Wipe the inner cavity of the oil pan with cotton yarn soaked with cleaning oil, scrape off the external oil, and then clean the oil pan with cleaning oil from the inside to the outside, and make it dry or blow dry. Decompose the filter screen of the filter, clean it with cleaning oil, dredge the pipeline of the filter, and then install it back to prevent the filter from being installed in reverse and scraping with the end of connecting rod. Clean the crankcase ventilation device, remove the vent pipe and valve, blow it with compressed air after cleaning, and check whether there is air leakage at each joint after replacement. Replace the oil pan and pad the gasket between the crankcase and the oil pan to prevent oil leakage. Add fresh engine oil into the crankcase according to the specified standard.













    Brand of lubricating oil Label of

    The meaning of SAE label: SAE is the abbreviation of "society of motor vehicle engineers" in English. The label at the back of SAE indicates the viscosity value of lubricating oil, such as sae5w-40, in which w stands for winter winter, while the number in front of W represents the active viscosity at low temperature. The smaller the value, it indicates the low-temperature activity of engine oil, The number at the back of W is the viscosity of oil at 100 degrees. The higher the number, the better the viscosity.

    The meaning of API label: API is the abbreviation of "American Petroleum Association". The label after API indicates the quality grade of lubricating oil brand.

    API oils are divided into three categories:

    1. The initial series of "s" represents the engine oil for oil generator, and the standards are: API SA, Sb, SC, SD, Se, SF, SG, SH, SJ, SL, SM

    2. The initial series of "C" represents diesel engine oil, and the standards are API Ca, CB, CC, CD, CE, CF, Cf-2, CF-4, CG-4, CH-4

    3. When the letters "s" and "C" exist together, it indicates that the engine oil is universal for gasoline and diesel. The meaning of the letter after s or C indicates: from "Sa" to "Sn", the environmental protection grade of domestic lubricating oil manufacturers and lubricating oil brands will be better than that of the former one. The more the letter is, the higher the environmental protection grade is. Most of the lubricating oil brands are of SF grade or above, and the oil with high environmental protection level is "Sn".

    After understanding the label meaning of lubricating oil brand, do you know more about lubricating oil? If you need, you are welcome to inquire about our lubricant brand.


    Generally, the replacement cycle of semi synthetic or mineral oil is 5000-7500 km, and the fully synthetic oil can be replaced at 8000-10000 km. The oil filter should be changed together with each oil change. Changing the engine oil too early will cause unnecessary waste, while prolonging the oil change time will cause the engine early wear and carbon deposition, and the oil will increase at any time and cause oxidation failure.

    For new cars and newly overhauled vehicles, the engine oil should be changed at about 2500 km, which is beneficial to better remove the metal debris generated during the running in period of the engine.

    When filling oil, pay attention to the amount of oil should not be too much or too little, should be between the "low" and "full" position of the dipstick, too low oil level will lead to insufficient oil pressure; too much oil will increase the running resistance of crankshaft connecting rod and accelerate the formation of carbon deposition in combustion chamber.

    The industry is skillful in diligence, and the shortage is in drama. Actions are accomplished by thinking and destroyed by following.



    Lubricating oil manufacturer - domestic lubricating oil manufacturer - lubricating oil (merchant) is provided by Shandong nerun New Energy Technology Co., Ltd. Lubricating oil manufacturer - domestic lubricating oil manufacturer - antirun lubricating oil (merchant) was upgraded and launched by Shandong nerun New Energy Technology Co., Ltd. (www.nrry. Com) this year. The above pictures are for reference only. Please call the contact number on this page or the picture, and get the contact person: Manager Wang.

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    Shandong nerun New Energy Technology Co., Ltd

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    Address: Sutai Industrial Park, Tianqiao District, Jinan City, Shandong Province

    Telephone: 0531-85660902 Fax: 0531-85660902 website: moochacho.icu

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