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Mechanical equipment maintenance affect its life

2015/11/15      view:

1, the influence of the cutting temperature

In operation, the temperature of the different parts have their own normal solution. Such as the temperature of the cooling water usually is 80-90 ℃, the temperature of the hydraulic drive system of the hydraulic oil for 30 to 60 ℃, lower than or across this plan will speed up the parts of wear and tear, the smooth oil change, form data function changes, and so on. Experiments indicate that all kinds of wire drawing machine main drive gear and bearing in the smooth oil - 5 ℃ operation than in 3 ℃ smooth oil operation, wear to increase 10 to 12 times. But when the temperature is too high, and can accelerate the transformation of smooth oil, such as oil temperature across 55 to 60 ℃, the oil temperature rise every 5 ℃, engine oil oxidation speed travel will double. Therefore, engineering machinery in use process, the overload operation, to avoid low temperature to ensure the normal operation in the process of the temperature time at low speed, the mechanical after arriving at the rules of the temperature and then to travel or work, don't cry because it is time to not present questions and ignore its important effect; Second, we must avoid mechanical operation at high temperature, in the process of mechanical work to check often

2.The influence of cutting mechanical impurities

Mechanical impurities usually refers to nonmetal material such as dust, soil and wire drawing machine itself, in the process of using attack some scrap metal, wear products. Inside these once in mechanical impurities, arrived in the machinery of the surface of the collaboration between, its damage is very big, not only make out relative motion block, to speed up the parts of wear and tear, and the collaboration will scratch the surface, smooth oil film damage, make parts temperature, smooth oil change. , according to the determination of mechanical impurities in the smooth added to 0.15%, the first wear of piston engine speed will be 2.5 times greater than normal; Roll axis with the entered the impurity particles, the stature will fall by 80% - 80%. Therefore, about the homework in harsh environment, the conditions of mixed and disorderly place of engineering machinery, a to use high quality smooth smooth, form a complete set of spare parts and oil, grease, the source of blocking harmful impurities; Second, we must make the scene of the homework mechanical protection work, to ensure that the appropriate organization can normal operation, to avoid various impurities into the machinery. To render the lack of