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introduction：Compared with plain bearings，The best of deep groove ball bearings 1、Under normal conditions，The efficiency of rolling bearings is comparable to that of hydrodynamic lubricated bearings，But it is higher than the mixed lubrication bearing； 2、Radial clearance is relatively small，entad...
2016-02-23 Reading quantity 1948
introduction：1、bearing Rolling bearing：Bearings that move in rolling motion between supporting loads and parts that move relative to each other，It includes a part with a raceway and a group of rolling elements with or without an isolation or guide。Can be used to withstand radial、Axial or combined radial and axial loads。 &...
2016-02-23 Reading quantity 1780
introduction： Repair of rolling bearings：
1）The general average service life of rolling bearings is5000haround，If used for too long or improperly installed and maintained，Will cause the bearing to break。If there is a crack in the inner and outer ring of the rolling bearing，Rolling ball crushing，And the gap between the ball and the inner circle03mmThe gauge measurement exceeds the specification，All should be replaced with new bearings。
2016-02-23
Reading quantity 2022
introduction： High speed precisioninaAngular contact ball bearing，It is mainly used for high-speed rotating occasions with light load，High bearing accuracy required、High speed of revolution、Low temperature rise low vibration and certain service life。It is often used as a pair installation of high-speed motorized spindle support，It is the key accessory of high speed electric spindle for internal surface grinding machine。 The service life of high-speed precision angular contact ball bearings has a great relationship with the installation，The following should be noted： 1.Bearing installation should be dust-free，Clean room...
2016-02-23 Reading quantity 1873
introduction：China automotive bearing net bearing class：Bearing life is also limited one、Size limitation。Usually the space in which bearings can be installed is limited。In most cases，Shaft diameter(Or bearing bore diameter)Is based on mechanical design or other design limitations。So bearing type and size...
2016-02-23 Reading quantity 1954
introduction： INAThe main reason for the burning loss of imported bearing diesel engine is the high internal temperature of diesel engine，INABearing working environment is poor，So what we want to prevent is mainly maintenance and improvementINAWorking conditions of bearings，Preventive measures are as follows：1、Strictly measure the coaxiality and roundness of main bearing holes of diesel engine block。 Measurement of the coaxiality of the main bearing hole of the body，It is necessary to measure the coaxiality size of the diesel engine body more accurately，Simultaneous measurement curve...
2016-02-23 Reading quantity 1838
introduction：As the worlds top bearingSKFBearing terms，Be widely used。Every kind of business，The characteristics of its destruction are also different。Shanghai shaft research trade Co., Ltd. engineers to explainSKFFailure characteristics of imported bearing plain bearing。
2016-02-23
Reading quantity 1788
introduction： In the case of close fit between the bearing ring and the bearing seat or the drive shaft，The bearing ring may be deformed with the shape of the adjacent parts。In case of deformation，Vibrations may occur during operation。therefore，It is important to machine the bearing housing and drive shaft to the required tolerances。
Local damage
2016-02-23
Reading quantity 1755
introduction： In the synchronous transmission design of the press，Nails attach one half shaft，And the other side is not connected，Then adjust screw，Drive one side eccentric gear through the middle wheel，To achieve the purpose of adjustment。 After the synchronization requirements are met，Remove the short screws one by one and install the formal fastening screws。In tune...
2016-02-24 Reading quantity 1653
introduction： One of the best types of servo motors，Its a digital proportional remote control system。These devices are actually made up of three parts：Integrated circuit、Servo motor、Reduction gear box potentiometer mechanism。figure24Its a block diagram of such a system。The drive input of the circuit，Is using the period for15msAnd the pulse width is1～2msThe pulse signal drive。Width of the input pulse，Control the position of the servo output。Such as：1msPulse width，...
2016-02-23 Reading quantity 1652
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