Agricultural Diesel Engine Oil Quality Monitoring Rules To Follow
With the development of automobile industry, and now the emergence of new mobile machinery dizzying. Especially in rural areas, the economic situation for farmers and the use of low-speed requirements of trucks, three cars, tractors and other farm vehicles and machinery for small rapidly into the rural populations. However, a small agricultural country and not address the special agricultural vehicles and machinery Diesel engine Oil standard, so that the quality control of agricultural diesel fuel long-term out of nowhere, regulatory supervision also is out of control, product quality is generally poor, poor oil flooding the market and disrupt the eyes and ears of consumers, so consumer choice is blind.
Poor agricultural diesel engine oil viscosity-temperature characteristics as poor, viscosity is very large. Low temperatures, oil can not Engine Start quickly reach the friction between mechanical parts, resulting in dry friction; but the high temperature, can not form a good lubricating oil film, can not provide good protection for the engine. And poor cleanliness of agricultural diesel engine oil, oxidation resistance is poor, work in the engine produces a lot of gum, coke, sludge and other material deposited in the engine body, resulting in poor lubrication, wear increased, fuel consumption increases, power down , blocked oil duct severe, resulting in negative consequences such as cylinder. Poor agricultural diesel engine oil and acid resistance and acid in the capacity of poor, self-sulfur, phosphorus and other components are high, causing the engine to work when the oil acid value increased significantly, prolonged use of the engine will cause acid corrosion, reduce engine life, thus adversely affecting the interests of rural consumers.
Determine the status of China’s rural areas a considerable period of time in the future, cheap and practical for small vehicles and equipment will remain Agricultural machinery The mainstream of agricultural diesel oil demand will also continue to grow. With the building of new socialist countryside in China is accelerating the pace to develop specific standards for agricultural diesel engine oil, correct guidance of agricultural diesel oil production, regulate the market, crack down on counterfeit products and protect the interests of farmers, is imperative. The first time this country developed national standards for agricultural diesel engine oil GB20419-2006 “agricultural diesel engine oil.” The standard as a mandatory standard was January 1, 2007 implementation. The standard is based on a small farm vehicles and machinery of the actual operating conditions and lubrication requirements formulated with Chinese characteristics. Standard provides for refined mineral oil as base oil, adding an appropriate amount of agricultural diesel engine oil additive made of the requirements and test methods, inspection rules and signs, packaging, transportation and storage. Standard applies to single-cylinder diesel engine-powered three-wheeled vehicles (the original three-wheeled farm vehicles), tractors and transport units, small tractor engine lubrication, can also be used for other single-cylinder diesel engine to power a small farm machinery such as pumps, generators.
Viscosity grade according to the standard will be divided into agricultural diesel engine oil 10W-30, 15 W-30, 15W-40, 30,40,50 six grades. Technical requirements in each grade from the kinematic viscosity (100 ), viscosity index, flash point (open), pour point, low temperature dynamic viscosity, copper strip corrosion (100 , 3h), mechanical impurities, water, foam of (foam tendency / foam stability), phosphorus, alkaline values and abrasion resistance (four-ball machine test) (wear scar diameter) on 12 indicators such as agricultural diesel engine oil quality control.
1, kinematic viscosity (100 ). Refers to the viscosity of oil is the main agricultural diesel engine oil specifications. Different viscosity grades of agricultural diesel engine oil viscosity on the movement (100 ) the scope of the specific requirements vary.
2, viscosity index. Means the oil viscosity changes with temperature changes in the situation, is to control the oil viscosity-temperature properties of important quality indicators. High viscosity index that changes with temperature, low viscosity, good viscosity-temperature properties. Standards require multi-grade oil does not control the target. Single-stage oil viscosity index not less than 60.
3, flash point (open). Agricultural diesel engine oil flash point flash point for the opening, means access to oil fire flash fire occurs when vapors minimum temperature, which is the safety of oil transport and use of indicators, while flash point also shows that evaporation performance products. Oil flash point is too low, the possibility of a dangerous big. Standards provide for different levels of agricultural diesel engine oil viscosity on the flash point (open) the specific requirements vary.
4, pour point. Means the oil in the cooling flow can be maintained under the conditions of minimum temperature. It is the oil temperature is an important performance indicator. Standard requirements of different viscosity grades of agricultural diesel oil pour point requirements vary.
5, copper corrosion. That agricultural diesel oil on copper corrosion degree to series to represent, the more the better low-level corrosive wear. No larger than a standard requirement.
6, water. That agricultural diesel engine oil in the amount of water content, expressed as a percentage with the quality.
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