Summer on how to prevent diesel engine bearings burning

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How to prevent damage to the engine bearing, must pay attention to the appearance of the shape of the bearing alloy surface, the back end and edge of the edges and corners of

the day-to-day maintenance and repair of the engine, if unusual or more than half of wear signs, it is necessary to seriously identify reasons, and to take appropriate measures

to improve the working conditions of the bearing, the emphasis on the prevention of damage early on the sliding bearings. Plain bearings early damage than the bearings burned

much more common, and therefore very important to prevent damage to the sliding bearing early. Plain bearings correct maintenance is an effective way to reduce the damage of

early bearing, but also a reliable guarantee for extended bearing life.buy bearing
A, bearing repair and assembly quality, strict control of the car pass rate on the rod. Bearing hinge with quality assurance bearing back smooth and free of spots, positioning

bump intact; own amount of bounce to 0.5 ~~ 1.5mm, which can guarantee the bush with its own elastic be aring hole after assembly to fit tightly; for new old rod all requirements

measurement parallelism and distorted rod unqualified prohibition on the train; mounted on the bearing seat up and down two at each end of the bush should be higher than the

bearing seat plane 30 to 50mm above the The amount can ensure the torque required to tighten the bearing cap bolts, bearings and bearing closely with to create sufficient

friction self-locking force, the bearings will not loose, thermal effects, to prevent the ablation and wear of bearings; bearing face can not be scraped with method to achieve

75% to 85% of the contact patch metrics, with the gap to meet the requirements of the bearing and journal without scraping. In addition, the assembly should pay attention to

check the crankshaft journal and bearing processing quality, strict implementation of the repair process specifications to prevent uneven or non-compliance is not properly

installed, and bearing bolts torque caused by improper loading method, resulting in bending deformation and stress concentration, leading to early bearing damage.roller ball bearing
B, stringent diesel engine block main bearing bore concentricity and roundness measurements. For the measurement of the body main bearing bore coaxial degree, the size of the

coaxial degree of the diesel engine body must be measured out more accurately, and simultaneously measure a runout of the crankshaft, the thickness of the pad in this optional

oily gap to achieve consistency in the respective axes . Where diesel engines occurred in the grind Watts, Speed, main body bearing bore concentricity must be detected prior to

assembly, ductile iron crankshaft all grow up steel crankshaft all grow up to 0.12mm 0.14mm, while the body bearing hole roundness, cylindricit y requirements. If the overrun is

disabled within the limits of the grinding method (that is painted in the bush on the right amount of red lead powder into crankshaft rotation, then remove the bearing cap to

check the bush, with hard convex point out portion after scraping treatment, the amount of change of the measurements, thereby ensuring the reliability of use.screw bearings