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introduction：Knuckle bearings are widely used in engineering hydraulic cylinders,Forging machine,Construction machinery,Automation equipment，Shock absorbers for cars，Hydraulic machinery and other industries. Because the outer sphere of the inner ring is encrusted with composite material，Therefore, the bearing can produce self-lubrication in the work。Generally used for low speed oscillating motion，And low speed rotation，It can also be tilted in a certain range of angles，When the supporting shaft has a large concentricity with the shaft shell hole，It still works。 Joint bearings can bear large loads。According to their different types and structures，Can withstand radial load、Axial load or radial load、Axial simultaneous joint load。
2018-05-05 Reading quantity 281
introduction：second、Removal of cylindrical bore bearings When removing the inner ring，In fact, you can use a press to disassemble and pull out so simple。At this time，Be careful to let the inner ring withstand its pulling force。The inner ring of large automobile bearing is disassembled by oil pressure method。Oil pressure is applied through an oil hole arranged on the shaft，To make it easy to pull。wide-spacedKOYOBearings are hydraulically pressed and used with pull-out fixtures，Carry out disassembly。NUtype、NJThe inner ring of cylindrical roller bearing can be disassembled by induction heating method。Heat the area for a short time，Method of drawing the inner ring after expansion。
2018-05-05 Reading quantity 312
introduction：Here are some suggestions for you to share about the selection of bearing seat material
2018-05-03 Reading quantity 299
introduction：Power off delay time relay has a delay normal open contact、Delay normally closed contact、Instantaneous normally open contact and instantaneous normally closed contact。
2018-05-03 Reading quantity 196
introduction：Working principle of Onda three-phase asynchronous motor
2018-05-03 Reading quantity 310
introduction：Linear hollow optical axis accuracy requirements 1、Geometry accuracy：The geometry of the linear optical axis mainly refers to the journal、Outer cone、Roundness of Morse cone holes, etc、cylindricity，Generally, its tolerance should be limited to the subsize range。Internal and external circular surfaces with high precision requirements，The allowable deviation shall be marked on the drawing。 2、Dimensional accuracy：The bearing journal is used to determine the position of the shaft，Generally, the dimensional accuracy is required to be higher。The size accuracy of the journal of the assembly transmission is generally low。 3、Mutual position accuracy：The position accuracy requirements of the linear optical axis are mainly determined by the position and function of the shaft in the machine。It is usually necessary to ensure that the axle journal of the assembly transmission is coaxial to the supporting axle journal，Otherwise, it will affect the transmission(gear)Transmission accuracy of，And produce noise。Shafts of ordinar
2018-04-29 Reading quantity 332
introduction：Causes of bearing damage：Excessive load。Poor installation（nonlinearity），Moment load，Foreign body invasion、flooding。Poor lubrication，Improper lubricant Improper bearing clearance。Bearing box accuracy is not good，Bearing box rigid uneven shaft deflection large rust、Erosion spot、Abrasions and indentations（Surface deformation phenomenon）Induced development。 measure：Check the size of the load and study the bearings used again，Improved installation method，Improved seal、Rust prevention during shutdown。Use a lubricant of appropriate viscosity、Improved lubrication method。Check shaft and bearing box accuracy。Check clearance。
2018-04-29 Reading quantity 371
introduction：Linear bearings are widely used in electronic equipment，Tensile testing machine and digital three-dimensional coordinate measuring equipment and other precision equipment，And multi-axis machine tools、Punching machine、Tool grinder、Automatic gas cutting machine、printer、Card sorter、Sliding parts of industrial machinery such as food packaging machines。 Lubrication and friction，Anti-corrosion oil is injected into the linear bearing，If lubricated with grease，Remove the anti-corrosion oil with kerosene or organic solution first，Air dry before adding grease。It is recommended to use a sticky labelN0.2Lithium soap grease
2018-04-28 Reading quantity 233
introduction：At this stage，In the industrial manufacturing process, many CNC machine tools are used in linear motion parts，Below, come with us to understand the two common combinations of miniature linear guides，Lets witness it.！ From our actual operation, we can know that there are a variety of combinations of miniature linear guides，Some people will be directly mounted upside down on the slider of the slide rail，But in general，We do not recommend this installation method，Because the detailed parameters of the inversion have not been given，In this way, the miniature linear guide is stable、Security is not so good。 Usually in the combination process，It will cause the temperature of the miniature linear guide to rise suddenly，So the longer youre going to be in nitriding。The metallographic structure and nitrogen chemical process in the guide rail will be affected。At the same time our technology also learned，There are obvious rules of deformation in nitriding of miniature linear guides，We need to choose to nitride in a vacuum
2018-04-28 Reading quantity 459
introduction：NBHow does the ball spline work
2018-04-27 Reading quantity 361
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