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The use and challenge of the cutting fluid in the processing of the mobile phone case
2022 / 05 / 28
The unique tools and aluminum alloy materials of the mobile phone case are specifically used in the shell, the middle frame, the card, the side button, and the back cover processing. Battle 1: Aluminum alloy materials are endless. The traditional one is 1 series, 5 series, 6 series, 7 series, in order to be satisfied with high strength, high end, high end oxidation, the effect of stamping, and the effect of oxygen. The corresponding cutting fluid may be developed in a timely manner according to the different aluminum alloy to meet the requirements of different materials. Battle 2: Fine diecasting has achieved great development in recent years. The working hours of CNC processing CNC processing are too long. For example, a middle frame is sometimes consumed by half an hour, the process is single, and the interior can be formed in a single. Cracks, the appearance cannot be performed with outstanding anode oxidation. The golden plastic co -surface will constitute the spraying process more complicated and the yield rate is low. But it also got gratifying development. 1. The continuous optimization of fine die casting technology, Guangdong's die casting industry is extremely prosperous. Mold use.
Synthetic high temperature chain lubricant integration lubrication solution
2022 / 05 / 28
Chain is an important part of the connection of mechanical components. It has the performance characteristics of gears and belts. It is widely used in metallurgy, textiles, glass, electric power, automobiles, cement, mine, paper, petrochemical and other high temperature, high humidity, heavy load and other occasions. Essence The medium that provides lubrication for chain is called "chain lubricant". The performance differences of chain lubricants with different quality and disadvantages can reach 200 times. The use of chain lubricants with different components of basic oil and formula is very different. 1. Types of the main chain lubricant Depending on the components of basic oil, it can be divided into two types: mineral type and synthetic oil Mineral type: low flash point, large gray portion, poor adhesion, scorching, restrictions on application occasions, foreign abroad has long been eliminated. Synthetic type: PAO synthetic hydrocarbon: The compatibility with mineral oil is good, excellent in comprehensive performance, and the cost is lower than other synthetic oils. Domestic oils still have a certain perc
The four major consequences of the cylinder oil!
2022 / 05 / 28
Darma managers know the importance of cylinder oil management. As the number of new shipbuilding rises and the cylinder lubrication technology continues to improve, the turbine managers are required to continuously improve their awareness and update concepts. Otherwise, there will be blind spots in management. The real consequences of an excessive amount of oil injection (rate) of cylinder oil injection are introduced below. Fault Phenomenon During the operating of the host, there was no abnormally increased smoke temperature. The chimney did not have obvious black smoke, the host's fuel system, lubricating system, supercharger, and smoke exhaust system. Essence Every time the Pistons come out, there are at least two ring carbon ties seriously, stuck in the ring groove, and sometimes the phenomenon of disconnecting the ring; the inner diameter of the cylinder tortoise is measured without wear exceeding the standard; the various assembly gaps of the new ring meet the standards of the standard standards. ; And replaced the new piston head. In order to find the reason, the dock has changed three new cylinder sets, but the situation is still the same. It is said that this phenomenon lasted for nearly three years. At the top of the first ring groove of the piston head, corresponding to the position of 6 cylinder oil injection oil holes, there are cylinder oil flowing and being burned into wide and thick charcoal. The sweeping box was checked, and there were many oil accumulation and more carbon accumulation. These phenomena illustrate the following 4 issues:
Research on the Application of Phosphate Ester in Minimum Quantity Lubrication Technology
2022 / 04 / 30
Minimal quantity lubrication technology is a new cooling and lubrication technology in recent years. Compared with traditional pouring type, trace lubricants are accurately delivered to workpieces/tools that need lubrication and cooling in an effective supply mode, eliminating the supply of ineffective positions, which can make lubricating oil more stable. The amount of lubricant used is reduced by more than 90%, thereby improving the cooling and lubricating effect, solving the problems of large amount of lubricant used, large ineffective supply, serious environmental pollution and high investment cost, and realizing clean processing and green manufacturing. In the micro-lubrication technology, the micro-lubricating agent requires good lubricity during use, good extreme pressure and anti-wear performance, and less oil fumes during processing. Screening suitable micro-lubricant formulations is a challenging task. After screening, evaluation and experiments, among various lubricant materials, phosphorus-containing organic compounds, especially phosphate esters, are a qualified choice, and phosphate esters have the following characteristics. Extreme pressure and wear resistance of phosphate ester: Phosphate ester chemically reacts with metal (especially Fe) on the metal surface to generate iron phosphide and ferrous phosphate. These inorganic salts are deformed by plastic flow under the action of frictional heat and pressure , falls into uneven low points on the surface, inc
2022 / 04 / 30
1. Causes and solutions of common problems of water-soluble cutting fluids. 1.1 Rust: If the concentration is low, add the stock solution to increase the concentration; When the PH value decreases, add a PH adjuster to increase the PH value; When the bacterial content is increased, add fungicides for sterilization; If the chloride ion content in the preparation water is too high, clean water with low chlorine content should be used for preparation; Chloride ion content increased, add deionized water; Partial replacement of anti-rust additives to reduce the addition of anti-rust components (if conditions permit, it should be determined by laboratory test); the influence of metal particles improves the filtering effect; Acid pollution/ambient atmosphere Improve environmental conditions; Corrosion occurs before operation to check the quality of the parts. 1.2 Bacteria increase, resulting in unpleasant odor: Long downtime, daily timing cycle, strengthen ventilation and oxygenation; Poor light and ventilation, strengthen circulation, ventilation a
What is the difference between high pressure, low ash and ashless anti-wear hydraulic oil?
2022 / 04 / 04
Do you often hear customers ask, which is better between your high-pressure anti-wear hydraulic oil and ashless anti-wear oil? I use high pressure anti-wear hydraulic oil for my equipment, do I need ashless anti-wear hydraulic oil? What is the difference between ashless anti-wear oil and high-pressure anti-wear hydraulic oil? Today, I specially found a senior engineer with 30 years of experience to talk about ashless anti-wear fluid oil and high-pressure anti-wear hydraulic oil. First of all, let's understand how the anti-wear hydraulic oil is qualitative: Anti-wear hydraulic oil is composed of refined mineral oil as base oil, plus various additives, such as: anti-wear agent, antioxidant, rust inhibitor, anti-foaming agent and other additives. For anti-wear hydraulic oil, then Anti-wear additives are prominent. China's anti-wear hydraulic oil viscosity grades are divided into eight types: 10#, 15#, 22#, 32#, 46#, 68#, 100#, 150#, etc. The commonly used anti-wear hydraulic oil viscosity grades are 32#, 46 #, 68# three. Anti-wear hydraulic oil additive system is divided into ash (zinc) formula and ashless formula.
How metalworking fluids are becoming a threat to the environment and people in storage and use!
2022 / 03 / 20
If metalworking fluids are stored for a long time, nitrosamines will be produced. Nitrosamines are carcinogens. Water-based metalworking fluids will slowly generate nitrosamines during long-term storage. In addition, containers containing metalworking fluids may also Causes the formation of nitrosamines. Manufacturers and marketers need to check with the drum supplier to ensure that the supplier does not use sodium nitrite in the final rust rinse. Nitrite in rust inhibitors can react with secondary amines in metalworking fluids to form nitrosamine carcinogens. Nitrogen oxides in the air also react slowly with metalworking fluids to form nitrosamines. Nitrosamines in metalworking fluids are a threat to the environment and operators, so it is necessary to do a good job of recycling waste liquids. In use, how to manage the metalworking fluid is very important. Improper use and maintenance can easily lead to contamination of metalworking fluids, breeding of bacteria, especially water-based metalworking fluids, resulting in deterioration of metalworking fluids. Because bacteria can destroy the properties of the emulsifier and cause the metalworking fluid to denature at the same time. In terms of occupational hygiene, the use of metalworking fluids contaminated with bacteria can form bioaerosols, which have an impact on the health of operators. Metalworking fluids may incorporate metal chips, such as nickel, chromium, etc., during processing. In addition, polycyclic aromatic hydrocarbons may be generated during the use of metalworking oils under the acti
2022 / 03 / 15
For different types of cutting, the removal characteristics of metals are different, and the more difficult cutting requires higher cutting fluid. The degree of difficulty of the cutting process, in order from difficult to easy, is as follows: internal broaching - external broaching - tapping - threading - gear hobbing - deep hole drilling - boring - thread cutting with forming tools - high speed and low feed Thread cutting - milling - drilling - planing - turning (single edge tool) - sawing and grinding. The above order of arrangement is not absolute, because changes in the geometry of the tool and the material of the workpiece can also change the ease of machining. A brief description of how to select cutting fluid for some commonly used processing methods. 1. Turning and Boring Rough turning: During rough turning, the machining allowance is large, so the cutting depth and feed rate are large, the cutting resistance is large, a large amount of cutting heat is generated, and the tool wear is also serious. The water-based cutting fluid with cleaning, lubricating and anti-rust functions can take away the cutting heat in time, reduce the cutting temperature, and thus improve the durability of the tool. Generally, extreme pressure emulsion is better. In addition to good cooling performance, extreme pressure emulsions also have good extreme pressure lubricity, which can significantly extend tool life and improve cutting efficiency. When using water-based cutting fluids, pay attention to the maintenance of the machine tool guide surface, and the workbench before leaving work. Dry the cutting fluid on and apply lubricating oil.
What is the difference between wire cutting fluid and cutting fluid?
2022 / 02 / 15
Both wire cutting fluid and cutting fluid are metal working fluids, so what is the difference between these two machining oils? What's the difference? Today, I will simply explain to you the difference between offline cutting fluid and cutting fluid. What is the difference between wire cutting fluid and cutting fluid? 1. From the perspective of application scenarios, wire cutting fluid is a working fluid acting on EDM machine tools, which plays the role of conducting electricity, cooling and removing chips. The cutting fluid acts on the cutting and grinding of CNC and grinding machines, and mainly plays the role of lubrication, cooling, cleaning and rust prevention. 2. From the perspective of components, cutting fluids are mainly oily and water-based, namely emulsified oil, microemulsion cutting fluid, semi-synthetic cutting fluid, and fully synthetic cutting fluid; oily cutting fluid is composed of basic mineral oil and additives, and water-based cutting fluids such as Fully synthetic cutting fluids are mineral-free and consist of environmentally friendly additives.
What is the effect of temperature on the selection of grease?
2022 / 02 / 06
When purchasing grease, the operating temperature range is an important factor to consider. Grease has a certain operating temperature range, and different greases have different applicable temperature ranges. The components of lubricating grease are base oil, thickener and additives, and the operating temperature of lubricating grease is also related to these three components. For a certain lubricating grease, the manufacturer will give a maximum operating temperature and a minimum operating temperature. The user should remember that when selecting, the user needs to consider the maximum and minimum temperature of the lubricated part (usually the minimum temperature at startup). 1. Minimum operating temperature of grease The hardness of the grease will increase when the temperature drops, affecting the normal delivery, causing the grease to not reach the lubrication point sufficiently, and the lack of lubrication when the machine is cold started. The minimum operating temperature of the grease must be higher than the minimum ambient temperature during cold start. At lower temperatures (such as close to -30°C), synthetic greases, such as those using PAO as the base oil, should be used. The maximum service temperature of grease: one of the indicators of grease is the dropping point, but the dropping point is not equal to the maximum service temperature. The maximum allowable use temperature of the grease is generally 30°C to 50°C lower than the dropping point. Do not use it at excessive temperature, especially is a high temperature that lasts for a period of time. Even if the grease exceeds the dropping point, the performance has been destroyed even if it cools down, and it
When the cold wave strikes, how to prevent freezing of cutting fluid?
2022 / 01 / 15
When the cold wave strikes, how to prevent freezing of cutting fluid? 1. Storage Water-based cutting fluid oil drums should be stored indoors or in an environment above minus 5 degrees Celsius. If solidified, it should be used after thawing. 2. Configuration When configuring the diluent, use warm water (10°C-50°C) for the solution, pour the concentrate into the warm water, and stir and mix well; avoid using supercooled water to configure the cutting fluid. Once configured, check the concentration with a refractometer. 3. Workshop insulation measures When the temperature is not too low, the cutting fluid/cleaning agent circulation can be turned on during the downtime to prevent the working fluid from freezing; do insulation work in the working area of the machine tool, and cover the surface of the centralized fluid supply pipeline with thermal insulation cotton; the working fluid that has been frozen It can be melted with an appropriate amount of warm water.
Lubricant requirements of various industrial equipment!
2022 / 01 / 03
According to the purpose, industrial equipment lubricants can be divided into general industrial lubricants, special oils and special oils. Ordinary industrial lubricants are used for machinery that has no special requirements, low operating temperature and load, and relatively mild working conditions. Such as machine tool transmission machinery, textile machinery, construction-roads, lifting, transportation, metallurgy, mining machinery and other industrial equipment. Special lubricants are used to lubricate individual components. Special lubricants are used to lubricate industrial machinery, metal processing machine tools and other special equipment. Such as high-speed machinery, industrial equipment hydraulic systems, gear transmissions, metal cutting machine tool guides, steel rolling machines, steam turbines, compressors, etc. In addition, there are electrical insulating oils, cylinder oils, vacuum oils and drilling rig oils. 1. Oil for high-speed machinery For example, a high-speed machine tool spindle with rolling and sliding bearings, the higher the spindle speed, the lower the viscosity of the oil required. When the load is low, the high-speed spindle is in hydrodynamic lubrication and boundary friction may occur. At this time, in order to reduce friction and wear, you can Use surfactant-type friction reducers and anti-wear additives. It is best not to use chemically active additives because they may increase corrosive wear.
2021 / 12 / 28
Although the characteristics of the grinding fluid are still unclear, it should be recognized that under the combined effect of the above-mentioned various characteristics, its effect can be enhanced. In the course of use, it is not advisable to consider only a certain characteristic. The main feature of oil-based grinding fluid is lubricity, while the main feature of water-based grinding fluid is cooling. Due to its lubricating properties, oil-based grinding fluids can prevent abrasive cutting edges from abrasion and can maintain grinding for a long time. Therefore, it has excellent effects on the amount of workpiece removal, grinding wheel wear, grinding force, machined surface roughness, and surface state of the workpiece (burns, cracks, residual stress), etc. For water-based grinding fluids, although they are not as effective as oil-based grinding fluids in improving the grinding performance, in water-based grinding fluids, soluble grinding fluids with a certain degree of lubricity and superior penetrating cleaning effect are still Have relatively excellent performance. The reason is that the soluble grinding fluid has a certain degree of lubricity, which can prevent the abrasive grains from becoming dull to a certain extent. At the same time, the grinding fluid that penetrates into the pores of the grinding wheel or the cracks of the abrasive particles has a good effect in preventing the clogging of the grinding wheel. 1.
What is the difference between spindle oil and hydraulic oil in machining center?
2021 / 11 / 06
What is the difference between spindle oil and hydraulic oil in machining center? Generally, hydraulic oil is a hydraulic system that uses hydraulic pressure energy. The hydraulic medium used in the hydraulic system not only has an anti-wear effect, but also has anti-rust, anti-oxidation, anti-emulsification and so on. It is generally believed that guideway oil, cutting fluid, gear oil and spindle oil are mainly used in CNC machining centers. Among them, the amount of cutting fluid is the largest, and the amount of other oils is small. Spindle oil is also called system circulating oil. However, the main shaft oil is not always used for lubrication and rust prevention, but why is it better to use circulating oil in the processing equipment system than hydraulic oil? What is the difference between main shaft oil and hydraulic oil? Requirements for selecting spindle oil for CNC machining centers: 1. Cooling and lubrication 2. There are anti-oxidation requirements and anti-emulsification requirements 3. A wide range of different viscosities Principles for the selection of spindle oil: 1. According to the
The difference between industrial gear oil and vehicle gear oil is very different
2021 / 11 / 06
The difference between industrial gear oil and vehicle gear oil is very different Industrial gear oil and vehicle gear oil sound like only two words, but there is a huge difference in actual use. Both of these two gear oils are very different in terms of their nature and the occasions they are used. They are different, so the two should never be mixed during use, otherwise it will damage the parts of the machine. In order to make everyone better distinguish between industrial gear oils, this article will briefly introduce the difference between the two oils. Firstly, the difference between industrial gear oil and vehicle gear oil: 1. Different occasions. Industrial gear oils are used for the lubrication of fixed industrial equipment gearboxes, and vehicle gear oils are used for the lubrication of mobile on-board gearboxes. In other words, the environmental temperature of the oil used in the latter varies greatly, and it is a mobile device, and the requirements for high and low temperatures are relatively high. Therefore, vehicle gear oil needs to be divided into multi-grade and single-grade. 2. Medium-load and heavy-duty vehicle gears are generally hyperbolic gears, which have higher load-bearing requirements than industrial gears that are often cylindrical or conical. Therefore, the carrying capacity of medium-duty vehicle gear oil is equivalent to that o
Common problems and solutions of deep hole drilling cutting oil!
2021 / 10 / 28
In modern machining, the ratio of the processing hole depth to the diameter of the hole is usually called deep hole. During deep hole drilling, it is difficult to dissipate heat and chip removal, and the rigidity of the drill rod is slender and long, which is prone to bending and vibration. Generally, the pressure cooling system must be used to solve the cooling and chip removal. If the lubricating cooling medium is not selected properly, the following problems are prone to occur: 1. Large smoke; 2. Unsmooth chip removal; 3. Fast drill wear. There are many types of deep hole drilling cutting oils on the market. Compared with traditional cutting oils, the formula is basically the same, but the viscosity is different. In the face of these problems, as long as we scientifically analyze the processing characteristics of each process, and clearly understand the action mechanism of the three extreme pressure antiwear agents of chlorine, phosphorus, and sulfur, we can make full use of the strengths and avoid weaknesses in various metal processing technologies and accurately use them. Although deep hole drilling belongs to the cutting process, it is different from traditional cutting. In practice, it is found that when traditional cutting is processing, multiple tools work a
The right way to filter cutting oil and remove chips!
2021 / 10 / 28
In the process of lathe processing, the filtration of cutting oil has always been a more difficult problem. Many incorrect oil filtration methods will cause the waste of cutting oil, or the incomplete filtration will affect the processing efficiency, or even damage the tool, etc. A brief description of how to filter the cutting oil during machining. The filtration treatment of machine tool cutting oil includes three aspects: ①Remove the chips from the processing area; ② Transport the chips outside the system; ③ Separate the chips from the cutting oil. 1. Chip removal There are several ways to remove chips from the machining area: (1) The chips are thrown out by gravity or the centrifugal force of the tool rotation, and fall on the chip conveyor belt under the machine tool by the weight of the chips. The bed structure should be easy to remove chips, such as tilting the bed or placing the machine tool on an inclined base, and using a chip baffle or a protective plate to completely seal the processing space to prevent the chips from flying, making it easy to gather and easy to remove, and at the same time It also makes
The cutting fluid has many colors! What is the impact on the selection!
2021 / 10 / 13
The cutting fluid has many colors! What is the impact on the selection! Cutting fluids are divided into fully synthetic cutting fluids, semi-synthetic cutting fluids and emulsified cutting fluids. They are all formulated with different additives. All have four basic functions: lubrication, cooling, rust prevention, and cleaning. The color of the diluted working fluid of the purchased cutting fluid is mostly determined by the type of the cutting fluid and the medium dye. The color of the cutting fluid is generally divided into: milky white, water white, blue and white, green and white; emerald green, sky blue, light blue, and transparent There are many colors such as white, red, fluorescent green, etc. Why does the cutting fluid have colors? Reasons for color: 1. Emulsified cutting fluid is diluted with water and the color milky white and water white are mostly caused by its own system: base oil, Mineral oil is sheared into tiny particles under the action of emulsifier and dispersed in water to form oil-in-water, which is milky white from the outside. 2. The blue and white, green and white are caused by the addition of blue and green dyes to the emulsified cutting fluid. After the cutting fluid is diluted with water, it appears from the ap
What is the effect of extreme pressure antiwear additve on composite aluminum base grease?
2021 / 09 / 30
What is the effect of extreme pressure antiwear additive on composite aluminum base grease? Extreme pressure antiwear additive is an important grease additive, most of which are compounds containing sulfur, phosphorus, chlorine, lead, and molybdenum. Under normal circumstances, chlorine and sulfur can improve the load bearing capacity of grease and prevent sintering, seizure and scratching of metal surfaces under high load conditions; phosphorus and organic metal salts have higher wear resistance Ability to prevent or reduce the wear of metal surfaces under medium load conditions. What are the effects of extreme pressure antiwear additives on composite aluminum base grease? 1. The influence of extreme pressure anti-wear agent on copper corrosion of composite aluminum-based grease Copper sheet corrosion is an index to evaluate the corrosive effect of grease on copper and other non-ferrous metals. Although it has little correlation with actual dynamic conditions, it has a certain correlation with corrosion generated in static conditions. Especially extreme pressure grease must be subjected to copper corrosion test. Therefore, a certain amount of copper corrosion inhibitor is often added to the extreme pressure grease.
What kind of lubricant is good for steel wire rope lubrication and maintenance?
2021 / 09 / 28
What kind of lubricant is good for steel wire rope lubrication and maintenance? Current status of wire rope lubrication and maintenance Wire ropes are generally working in the open air, and the environment is relatively harsh, and rust and corrosion often occur. People generally regard steel wire rope as an industrial material, but in fact it is composed of several moving elements (steel wire, strand rope, lining core, etc.). When the steel wire rope is stretched, bent and twisted, each steel wire and the lining core have friction and wear between each and each other. The traditional method of lubricating steel wire ropes is generally manual. Use a brush or other water absorbing tool to apply grease (oil) to the steel wire rope. It is difficult for the grease (oil) to enter the steel wire rope, and the effect is not good. 1. Current status of wire rope lubrication and maintenance Wire ropes are generally working in the open air, and the environment is relatively harsh, and rust and corrosion often occur. People generally regard steel wire rope as an industrial material, but in fact it is composed of several moving elements (steel wire, strand rope, lining core, etc.). When the steel wire rope is stretched, bent and twisted, each steel wire and the lining core have friction and wear between each and each other. The traditi
2021 / 09 / 21
No matter how good the heat transfer oil is, there will be many problems if it is used improperly. These points must be paid attention to! 1. Precautions for the operation of heat transfer oil 1) Initial installation Consider flushing the system (to eliminate contaminants and water) before commissioning. Before filling the new system, all safety and control devices are in working condition, and the system has undergone a leak pressure test. Do not use water during the test because it is difficult to remove the water from the system. Use internal pressurized air and soapy water on the outside of all joints or use oil in the system to test for leaks. Use a vacuum pump to extract air and fill the system from the expansion tank. The fluid should circulate in the system for three to four hours to eliminate air bubbles and ensure that the system is full. When the system is cold, the expansion tank should be at 25% oil level. 2) Start The temperature should rise slowly while allowing the full flow of heat transfer oil to circulate. Air and water must be allowed to leave the system. 3 Routine operation In order to prevent hot spots, the circulating pump must always be in operation, and the heat transfer oil will flow through the heater before starting.
2021 / 09 / 18
How to judge the performance of heat transfer oil, old experts all look at these "four major indicators". Heat transfer oil needs to meet the following basic requirements: High working temperature stability: resistance to oxidation and thermal cracking Good heat transfer characteristics: high specific heat and high thermal conductivity Low vapor pressure to prevent vapor lock/cavitation in the pump Low safety risk: high flash point and ignition point Low viscosity, reduce pumping loss, high viscosity index, reduce equipment load changes Non-corrosive, non-toxic Flash point and ignition point, the fluid must have a high flash point and high ignition point, so it has a low fire risk. The flash point is the temperature at which the oil releases enough vapor on its surface to instantly ignite when an open flame is used. The ignition point is the temperature at which vapor is quickly released to support continued combustion.
Can cutting fluid waste be treated biologically?
2021 / 09 / 15
Can cutting fluid waste be treated biologically? Metal cutting fluid is an industrial fluid used in the process of metal cutting, grinding, and grinding. It mainly plays a role in lubrication, cooling, and rust prevention. With the development of my country's industrial enterprises, the amount of cutting fluid widely used in the machinery manufacturing industry is also increasing. Metal cutting fluid will produce metal chips and other waste slag during the use process, friction heat will be generated during the cutting process, and bacteria will grow in contact with environmental media during repeated use, which will cause the cutting fluid to deteriorate and lose its effectiveness. Generally, the cutting fluid deteriorates faster in summer and needs to be replaced more frequently, and the use cycle in winter is longer. Due to the above reasons, the deteriorating cutting fluid needs to be replaced in time and thoroughly to ensure the production quality and safety. Therefore, a large amount of waste cutting fluid will be generated. Waste cutting fluid contains mineral oil, surfactants, extreme pressure agents, rust inhibitors and other additives. Its COD can reach tens of thousands to hundreds of thousands, and its properties are relatively stable. It is a serious pollution and difficult to handle. Hazardous Waste. Onsite Failure Case The biological treatment method is a treatment method that is widely
Gear oil is dark in color and smells heavy. Is it normal?
2021 / 09 / 13
Gear oil is dark in color and smells heavy. Is it normal? Engine gear oil is a high-viscosity lubricating oil, which is specially used to protect transmission power parts. It can form a continuous and tough oil film on the contact surface between the teeth, that is, it has high oiliness, so that the transmission parts Maintain a tough boundary oil layer to ensure that the transmission parts are less worn and prevent their abrasions. We know that the composition of lubricating oil is basically base oil and additives, and vehicle gear oil is no exception, so what kind of base oil and additives used determines the color and smell of vehicle gear oil. For heavy-duty gear oils commonly used in large vehicles, due to the requirements of heavy loads and extreme pressures, under normal circumstances, a considerable part of the base oils with higher viscosity and better bearing capacity are used. The color of the base oil varies from transparent to dark brown-red due to different origins and production processes, and the odor is also diffe
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