10 bytes shaft needle bearing maintenance

There are a number of bearings in a special kind of bearing, needle bearing axis is called the 10 bytes. Then for its maintenance, we need to look at! Automotive drive shaft 10 bytes on the request of lubricating materials in addition to have a good anti-friction and abrasion resistance, there should be a good mechanical stability, high temperature resistance (high drop point), corrosion resistance, water resistance and oxidation stability and other characteristics.
     Gear oil temperature and water resistance can not meet the required. In addition to calcium-based grease in the grease (hereinafter referred to as calcium-based grease), and lithium grease (hereinafter referred to as lithium grease), sodium aluminum grease and grease and so on. In fact, the lubrication of automotive power train has been 2 or 3 using lithium grease, lithium grease because of the relative calcium-based grease with high drop point (lithium grease to 170 ℃ -190 ℃, calcium based grease to 90 ℃ -100 ℃) and good thermal stability.

Demolition of the technical requirements of a high cross-axis, the general need to repair automotive repair shop by a professional chef to complete. The shaft cross shaft lubrication operations, routine maintenance items are generally necessary to maintain every 2000km driving time, if maintenance is to repair shop every time, it will increase the financial burden of car owners; if each vehicle is equipped with a dedicated hydraulic filling equipment, is unrealistic. The use of grease lubrication, just an ordinary grease gun, the driver can complete, save time and economy.

    But some drivers How wrong can cause grease can not enter the bearing. Correct methods of operation are: the gun out of the butter in the butter oil export pressed lips, kept in operation, grease gun, so grease under pressure through the mouth into the cross axis of butter inside the oil Road, then cross shaft to reach the 4 journal face, full of the needle bearing, needle roller bearings while the residual impurities from the deterioration of the grease and oil seals, were squeezed. When each bearing grease and impurities within the deteriorated after all extrusion (see fresh grease to be squeezed out), then the job is completed. When such operations can not be pressed into the grease to the bearing, replace butter or demolition of cross shaft mouth wash oil Road, re-filling, to ensure traffic safety.

      In addition, with the automotive industry continues to develop, molybdenum disulfide grease is widely used in the automotive industry. The so-called molybdenum disulfide grease is lithium based grease or compound in the calcium-based grease in a small amount of colloidal aluminum disulfide. Flake crystalline molybdenum disulfide, the sulfur atom has a strong affinity for metal, which is easily formed on the surface friction solid lubricant film.
 

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