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Formula characteristics of industrial gear oil
2022 / 11 / 07
Industrial gear oil is widely used in steel, cement, coal, petrochemical and many other industries. With the rapid development of the national economy, its consumption is increasing year by year. In 2020, the domestic demand has reached 310000 t/a. According to the requirements of GB5903-2011, 16 physical and chemical indexes and bench performance of industrial gear oil, including kinematic viscosity, liquid phase corrosion, oxidation stability, four ball extreme pressure and anti-wear, and FZG bearing capacity, shall be tested before delivery. Some of the test items have a long period (for example, oxidation takes 13d) and high cost (FZG is 20000 yuan/time), which results in many oil batch test items, high test cost and delayed delivery, which is not conducive to timely supply to customers. If the factory batch inspection items are reasonably simplified according to the industrial gear oil formula and product performance characteristics, it can effectively avoid repeated waste and help the market to ensure supply. Characteristics of gear oil formula Industrial gear oil is developed according to the characteristics of gear box working conditions. It is generally required to have appropriate viscosity, good viscosity temperature performance, sufficient extreme pressure and anti-wear performance, good oxidation stability, anti emulsification performance, anti foam performance, rust prevention and corrosion resistance, etc., mainly involving extreme pressure agent, anti-wear agent, friction improver, pour point depressant, antioxidant, rust inhibitor, copper corrosion inhibitor, demulsifier, anti foam agent and other additives. According to the main role of additives
How are the quality inspection items of cutting oil and water-based cutting fluid different?
2022 / 11 / 02
The main quality control indicators of cutting oil include viscosity, flash point, pour point, fat content, sulfur content, chlorine content, copper strip corrosion, water, mechanical impurities, four ball test, etc. Water based cutting fluid shall be diluted with water when it is used, and its test items can also be divided into direct measurement and water measurement. The items directly measured include storage stability, sulfur and chlorine content, nonvolatile components, etc. The items to be measured after adding water include surface tension, pH value, foaming property, rust resistance, corrosivity, adaptability to paint, allowable amount of salt, antibacterial property, etc. The significance of most of these projects is relatively clear. Quality inspection items of cutting oil Fat content Fat is an oily additive in cutting oil and an important index to classify cutting oil. Fat in cutting oil can play a role in reducing friction coefficient and tool wear (especially effective in preventing tool flank wear). The cutting oil with more fat is especially suitable for nonferrous metal processing and the occasions where the cutting amount is small but the product precision and finish requirements are high (such as fine turning thread). Generally, saponific
How can we simply judge the performance and quality difference of different cutting fluids
2022 / 11 / 01
How can we simply judge the performance and quality difference of different cutting fluids in daily use? Even if we are in the factory, we can compare the main performance indicators of different cutting fluid products in the simplest way. You only need to spend 5 minutes, which may save at least 10% of the cost! 1) Cutting fluid performance The longer the tool life and the better the surface finish, the better the cutting fluid lubrication performance. In the case of the same equipment, the same tool and processing the same workpiece, compare the tool life (number of parts that can be processed by a single tool or cutting distance) and processing quality (surface finish). Lubrication performance is a very important index of cutting fluid. It directly affects the processing quality and cost. However, it is impossible to judge intuitively, because you cannot know the formula of cutting fluid and the effective lubricating composition. 2) Stability Delamination, impurities and non-uniformity are found in any of the following two items. It can be determined that the cutti
Development and application prospect of synthetic industrial gear oil
2022 / 09 / 29
Development trend of industrial gear oil: the improvement of gear box manufacturing technology and the specification evolution of industrial gear oil are two major factors affecting the development trend of industrial gear oil. 1. Development of Industrial Gear Equipment With the rapid development of the gear industry, the industrial gearbox is developing towards greater power, higher load and smaller volume, and the working environment is humid. The increase of the load increases the contact pressure of the tooth surface and the wear and pitting between metals; The reduction of gearbox volume means that there is less oil for lubricating gears and bearings, which will lead to the increase of oil temperature and accelerate the oxidation of oil. The sludge generated in the oxidation process will shorten the service life of oil and gearbox components; 2. Evolution of Industrial Gear Oil Specifications AIST 224 standard has always represented the highest specification of industrial gear oil, and the quality of L-CKD gear oil in the national standard GB 5903-2011 Industrial Closed Gear Oil formulated in China has reached this standard. In addition, the commonly used industrial gear oil specifications include the national standard ISO 12925, AGMA 9005-E02 EP in North America, and DIN51517-3 in Europe. From the above development of industrial gear manufacturing and industrial gear oil specifications, the future industrial gear oil should not only have good tribological properties, but also meet the r
Characteristics of Modern Cutting Fluids
2022 / 09 / 29
With the rapid development of modern machinery manufacturing industry, the continuous innovation of cutting technology and cutting process has put forward higher requirements for the performance of cutting fluid. Especially in recent years, environmental protection and human health have increasingly become the focus of attention of the whole society, and cutting fluid will cause pollution and damage to the environment and human body, so the use of cutting fluid and waste liquid treatment have been increasingly restricted by environmental regulations. In developed industrial countries, the amount of smoke generated during machining with cutting fluid is also strictly limited. Some cutting fluid waste liquid and chips with cutting fluid are required to be treated as toxic materials, and the cost of treatment is increasing. In order to meet the requirements of social development, some new features have emerged in the development of modern cutting fluid technology. 1. Development of cutting fluid with high performance, long life and low pollution and research on waste liquid treatment technology In recent years, China has imported more and more advanced manufacturing equipment such as CNC machine tools and machining centers. If the required cutting fluid is imported for a long time, the production cost will rise significantly due to the high price. Therefore, it is urgent to develop high-performance cutting fluid to replace imported products. At present, water-based cutti
How to reduce equipment lubrication failure prevention monitoring is very important
2022 / 09 / 25
Equipment lubrication management is one of the basic contents of equipment management. The level of equipment lubrication management can reflect the level of enterprise equipment management and the civilization level of on-site management from one side, and it is also directly related to the safety and economic and technical indicators of equipment operation. How to do well in equipment lubrication is an important part of equipment management. Preventive measures for lubrication failure 1. Guide rail: to ensure good lubrication of the guide rail, the following should be done: ensure the processing accuracy of the guide rail and the contact area of the dynamic and static guide rails; The shape and size of the lubricating groove shall be correctly selected, and the position of the oil inlet hole shall be reasonably arranged. The appropriate guide oil shall be selected according to the load, movement speed, guide rail layout, etc. 2. Gear: the working characteristics of general gears are high contact stress and low speed, and it is difficult to form fluid lubricating film in the meshing area. The lubrication state of the tooth surface is mainly boundary lubrication and mixed lubrication. The tooth surface is mainly damaged by adhesive wear (gluing), fatigue pitting and abrasive wear. The lubrication is mainly
How will the grease market trend in 2022?
2022 / 09 / 04
The grease market is extremely fragmented, with a total capacity increase of approximately 6.25 million tons in 2022. At present, the overall trend of the market is stable, and the market demand is bound to grow further. In the future, the lubricating grease market will have obvious aggregation phenomenon. The following is an analysis of the lubricating grease industry market. The 2022-2027 China synthetic grease industry market demand and investment consulting report pointed out that the bidding volume of various lubricants in 2022 has dropped sharply since January, and the decline of each product is about 25-45%. The sum of the data from January to May shows that hydraulic oil decreased by 18% year-on-year, gear oil decreased by 25% year-on-year, other industrial oils decreased by 45% year-on-year, grease decreased by 45% year-on-year, and antifreeze increased by 162% year-on-year. In the composition of lubricating grease, base oil determines the basic properties of lubricating grease, and additives are used to make up and improve the deficiencies in the performance of base oil. Lubricatin
The history and future development trend of cutting fluid in China
2022 / 09 / 04
The development of cutting fluid is basically a type of fine chemical product that was born and developed with the development of metal processing tools (ie machine tools) and processing technology. Its main function is to cool the workpiece and tools during the machining process. To prevent rust of workpieces and machine tools, rinse metal chips and other impurities. In the 1950s and 1960s, China was basically a manual rocker type machine tool, with low processing efficiency, low difficulty and poor precision. The quality of its products mainly depended on the technical level and experience of the workers. The requirements are very low. Generally, the factory has special personnel to prepare some low-grade cutting fluids with some chemical raw materials such as nitrite and alcohol amine. This type of cutting fluid is mainly used for cooling and rust prevention. For products processed under high lubrication conditions, people generally use saponified oil to solve the problem, which basically met the production requirements at that time. With the deepening of China's reform and opening up, by the early 1980s, China had made great progress in the field of machining, and introduced a large number of advanced production technologies and equipment from abroad, the most important of which was the introduction of CNC machine tools. On the one hand, the use of CNC machine tools not only speeds up the production speed, but also ensures the reliability and consistency of product quality. However, the rapid processing state of CNC machine tools cannot meet the processing requirements for ordinary traditional original cutting fluids, such as high-speed operation. The cutting speed of the cuttin
Chassis Lubrication of Automotive Grease
2022 / 07 / 31
The structure of the automobile chassis is compact and complex. There are about 20 to 40 different parts of the chassis of trucks, trailers, buses, construction machinery and equipment, cranes, forklifts, combine harvesters and some forklifts that need to be lubricated frequently. friction work. The lubrication of the chassis is very important to ensure the normal operation of the vehicle. If the lubrication is not good, it will cause damage and failure of the parts and affect the technical condition of the vehicle. The grease for automobile chassis varies according to the structure and characteristics of the mechanical parts and the requirements for grease and other working conditions. The following is a brief sharing of the performance requirements of lubricating greases according to the lubrication parts. 01. Clutch The clutch pedal, clutch release fork, and brake pedal bearings all require grease lubrication. The clutch bearing moves periodically and is easily polluted by external water and dust. It needs good extreme pressure and water resistance, and the clutch in the high temperature part also needs to have good high temperature resistance. The structure of the clutch is special, and it is difficult to grease the release bearing after loading. Burnout of clutch release bearing is mainly caused by poor lubrication.
2022 / 07 / 31
Facing the broad market demand, my country's special oil companies are facing better opportunities. my country has abundant oil resources, and special oil technology has also made great progress. It is necessary to adjust the refining and chemical enterprises with rich crude oil resources according to market demand, expand the output of special oil products, improve product quality, and achieve greater economic benefits. . Through advanced refining and chemical processes, specific high-quality crude oil can be processed into special oil products such as environmentally friendly solvent oil, metal processing oil, printing ink, rubber oil, refrigeration oil, etc. Compared with conventional oil products, special oil products can better meet special needs. need. 1. Market Size From 2017 to 2021, the market size of the special oil industry will show an increasing trend. In 2021, the market size of my country's special oil industry will be 429.42 billion yuan, a year-on-year increase of 3.20%. The market size of the specialty oil industry continues to expand, and the market segments of the industry are also incr
What should I do if the anti-rust oil precipitates?
2022 / 06 / 26
Why does precipitation occur during the use of anti-rust oil? There is also a reason for this. Anti-rust oil manufacturers When using anti-rust oil, how to prevent the occurrence of anti-rust oil precipitation, and how to deal with the precipitation of anti-rust oil? 1) Precipitation phenomenon of anti-rust oil Antirust oil precipitation refers to the phenomenon in which the antirust oil sinks from its solid content to the bottom of the container during storage. When the precipitation of some anti-rust oils is serious, the solid components in the anti-rust oil are precipitated into dense lumps that are not easily redispersed by stirring methods, which is called anti-rust oil agglomeration. 2) Why does the anti-rust oil appear precipitation? In the process of production and processing, the dispersion is poor and the grinding is not fine. In the formulation of oil products, some reasons such as the excessive density of solid raw materials are prone to precipitation. Because too much diluent is added, the viscosity of the anti-rust oil is reduced, and the raw material of the anti-rust oil loses the suspended solids on the surface, resulting in precipitation. The materials undergo a certain chemical reaction or adsorption to each other, causing the gel to precipitate. Rust oi
The contact hazards and preventive measures of water-based cutting fluid must be kept in mind
2022 / 06 / 26
Workers engaged in cutting operations have many chances of prolonged contact with cutting fluid on hands, wrists, etc. during operation, and sometimes dermatitis occurs. This is a tricky question. According to statistics, about 1/4 of people exposed to oil-based cutting fluids suffer from occupational dermatitis, folliculitis, acne (pimples and pustules caused by inflammation of the pores), pigmentation, keratoderma, and abscesses to varying degrees. From the phenomenon point of view, the symptoms caused by oil-based cutting fluid and water-based cutting are different. 1. Problems and incentives Dermatitis caused by water-based cutting fluids generally causes the skin to degrease, crack, and cause redness, swelling, and purulence. Its symptoms are similar to the rough hands of housewives who often use detergent. The main reasons are: 1) Degreasing effect of surfactants (resulting in reduced sebum secretion, insufficient sebum film formation, and dry and thick skin). 2) Alkaline damage caused by alkaline substances such as organic amines and inorganic bases. 3) Irritant damage caused by fungicides, preservatives, antifungal agents, etc.
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.
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