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introduction： High carbon chromium bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The grade of steel、Characteristics and uses High carbon chromium bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts are on the shaft
2014-12-23 Reading quantity 1449
introduction： 1)Tile surface corrosion：Spectral analysis found that the concentration of non-ferrous elements was abnormal；Many submicron wear particles with non-ferrous components appear in ferrography；Excessive lubricating oil moisture、Acid value exceeding standard。 2)Journal surface corrosion：The spectral analysis found that the iron concentration was abnormal，There are many submicron particles of iron composition in the ferrogram，Lubricating oil moisture exceeds the standard or acid value exceeds the standard。 3)Journal surface strain：There are ferrous cutting wear particles or black oxide particles in the ferrography，Tempering color exists on the metal surface。 4)Fretting wear of tile back：Spectral analysis found an abnormal iron concentration，Its in the ferrogram
2014-12-23 Reading quantity 1474
introduction：According to the relevant data shown in the installation of rolling bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]When the damage accounts for the bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft
2014-12-23 Reading quantity 1480
introduction： Generator motorNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]The causes of rust are complex，May be the bearing rust treatment is not good，It could also be rust caused by water，As well as by
2014-12-23 Reading quantity 1502
introduction：one、introduction When we received a new mold to make a sample，We are always eager to try out a result early and hope that the process goes smoothly so as not to waste time and cause confusion。 But there are two caveats here：first、Mold designers and manufacturing technicians sometimes make mistakes，If we dont keep our eyes open during the test，Big damage can result from small mistakes。second、The result of the mold trial is to ensure the smooth production in the future。If reasonable procedures and proper records are not followed during mold testing，That is, it cannot guarantee the smooth progress of mass production。Were more emphatic「If the mold is used smoothly, it will be fast
2014-12-23 Reading quantity 2852
introduction： INAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Installation is good or not，Will affect the bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-23 Reading quantity 1482
introduction：Radial plain bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。] Plain bearings bearing radial loads[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，Be used for
2014-12-23 Reading quantity 2814
introduction：Applicable model：W11-40×4000，W11-70×4000。 one、 Conscientiously implement《General operating rules for forging equipment》Relevant provisions。 two、Conscientiously implement the following supplementary provisions： （one） Before work, check that the oil storage tank of the hydraulic station should be sufficient。Start the hydraulic station to check whether the oil pump is working properly，valve、Check whether pipes are leaking，The pressure should meet the requirements，Open the valve to drain the air from the system。 （two） Conscientious at work。 1、Do not roll or level steel plates with protruding welds or cut rough edges。 2、In roll or school
2014-12-23 Reading quantity 2799
introduction： Our daily production、The tools and products we use in our lives，As big as the base of the machine、Fuselage shell，As small as a blank head screw、Buttons and casings for various household appliances，All have a close relationship with the mold。The shape of the mold determines the shape of these products，The processing quality and precision of the mold also determine the quality of these products。Because of the material of various products、appearance、Different specifications and uses，The mold is divided into casting molds、Forging die、Die-casting die、Stamping die and other non-plastic mold，And plastic molds。 In recent years，With the rapid development of the plastics industry and the general and engineering plastics in strength and
2014-12-23 Reading quantity 2799
introduction： 1、Light weight、High specific strength and stiffness，Is a fine、Lightweight structural material。The density of magnesium alloy is about1.74g/cm2，aluminous2/3，steely1/4，But the specific strength and stiffness are better than aluminum alloy and steel，Much higher than engineering plastics。 2、Good shock absorption performance。Magnesium alloy has higher vibration absorption and lower noise，Used in product housing to reduce noise transmission。For moving parts，Absorbable vibration，Extend the service life of parts。 3、nonmagnetic，It has good electromagnetic shielding performance，So its used in electronics
2014-12-23 Reading quantity 2790
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