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Technical articles
Bearing damage：normal，If bearings are used correctly，Can be used until fatigue life is reached。But there will be accidental premature damage，Incapacitated for use。
Bearing is a general purpose component，Only a very small number of equipment and instruments will not use the bearing design，In most cases，Bearings will appear in various types of instruments and equipment systems。Diamond type coating is applied to the surface treatment of ball bearings and plain bearings，It can greatly reduce the friction loss of the bearing system。
A (vehicle)CA6440Light passenger car，On the road4Ten thousand kilometers later，Continuous occurrence of transmission first shaft rear bearings(50306#)Damage fault。During the troubleshooting process，Disassemble the transmission several times，No anomalies were found；Measure torsion bar spring adjustment screws，The height is...42mm，Compliance with prescribed standards
The storage of bearings must first take full account of the size and weight of the storage of bearings,The next consideration is the necessary handling space and equipment,To ensure that the bearing will not collide when stored and used.Bearings should not be placed directly on the ground.therefore,To configure the appropriate shelves，And the bottom of the shelf should be higher than the ground30cm。
Universal joint damage is common in rotary tiller operation。According to the survey，The main cause of universal joint damage of rotary tiller：One is improper use，Second, the installation is not correct，The third is the improper selection of the universal joint shaft and shaft sleeve，
Gold cutting equipment used in production of a factory，There is one made by Haining Machine Tool FactoryM1083ACenterless cylindrical grinding machine。The equipment is characterized by good rigidity、High production efficiency、The equipment has good performance，It can adapt to the needs of mass production。Grinding wheel、Guide wheel spindle front、The rear bearing adopts the film feedback static pressure bearing，The bearing has a symmetrical structure of four oil cavities
Purpose of lubrication The purpose of lubrication of rolling bearings is to reduce the internal friction and wear of bearings，anti-burning
Single cylinder diesel engine burning shingle hold axle behind，The tile can be replaced by the lower method，Grind the shaft if necessary。This method is simple and feasible，There is no need to remove the cylinder head and piston linkage，No need to adjust the valve clearance，It saves time and effort
Salvage、Clean the crankshaft assembly，Ensure crankshaft internal oil passage clean、unblocked。 （2）Inspect the crankshaft，If there are cracks，Must be replaced。Check the crankshaft spindle journal carefully、Connecting rod journal and its transition arc，No scratches on all surfaces、Burns and bruises。
It is very important to measure the deflection and runout of coupling in turbine maintenance
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