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introduction： The selection of imported bearings should be based on the size of imported bearings，specification，And speed, etc., to choose whether the imported bearings meet our mechanical range of use，Here is a simple analysis： Usually the space in which imported bearings can be installed is limited。In most cases，Axle diameter is based on mechanical design or other design limitations。Therefore, the selection of the type and size of imported bearings is determined by the inner diameter of imported bearings。therefrom，The main size table of imported bearings is based on international standards...
2016-01-31 Reading quantity 1799
introduction： Bearings can be divided into two main categories：Rolling bearing、Plain bearing。Most of the bearings we say in daily life refer to rolling bearings。 Rolling bearing classification number and corresponding bearing classification name： 0class：Double row angular contact ball bearing ...
2016-01-31 Reading quantity 1768
introduction： In order to make the bearing fully play and maintain its due performance for a long time，Regular maintenance must be done（Periodic inspection）。 Pass proper regular inspections，Detect faults early，Prevent accidents before they happen，It is important to improve productivity and economy。 １、cleanse： When the bearing is removed for inspection，First use photography and other methods to record the appearance。In addition，Determine the amount of remaining lubricant and sample the lubricant，Then clean the bearing。 a、The cleaning of bearings is coarse...
2016-01-31 Reading quantity 1786
introduction： KOYOBearing prefix code introduction C-Cylindrical roller bearing accessories（Or bearing itself），case：C00210 45C-Mount tapered roller bearings in pairs，Face to face mounting，case：45C30210 46C-pairing...
2016-01-31 Reading quantity 1826
introduction： a. Oil bath lubrication Oil bath lubrication is the most common method of lubrication，Low fit、Lubrication of medium speed bearings，The bearing is partially immersed in the groove，The lubricating oil is carried by a rotating bearing part，The oil level of the tank should then flow back slightly below the center of the lowest rolling element。 b. Drip lubrication Drip lubrication is suitable for imported bearing parts that require a quantitative supply of lubricating oil，Drops of oil are generally per3-8One drop per second is appropriate，pass...
2016-02-01 Reading quantity 1831
introduction： Performance comparison of servo motor and stepper motor Stepper motor as an open loop control system，And modern digital control technology has an essential connection。In the current domestic digital control system，Stepper motor is widely used。With the advent of full digital AC servo system，Ac servo motors are also increasingly used in digital control systems。In order to adapt to the development trend of digital control，Stepper power is used in most motion control systems...
2016-02-01 Reading quantity 2441
introduction： The fit of labyrinth ring and roll neck is generally a tight dynamic fit，The installation should be gently tapped in with a copper rod。The two sides of the labyrinth ring must be parallel and closely fitted to the shaft shoulder and bearing inner ring。 The fit between the inner ring and the roll neck of the four-row cylindrical bearing is interference fit，When installing, the inner ring should be heated to90-100℃。Do not exceed120℃，To prevent the inner ring after cooling retraction is not complete。The heating method can be either tank heating or induction heating，It is absolutely forbidden to use open flame for heating。 Inside diameter when heating with oil tank...
2016-02-01 Reading quantity 1779
introduction：[Bearing encyclopedia]Bearing classification-Bearing type characteristics and differences： Ball bearing：The rolling element is the rolling bearing of the ball。 Deep groove ball bearing：Each ring has a cross section of approximately...
2016-02-01 Reading quantity 1936
introduction：Mitsubishi servo motor-The difference between spindle motor and servo motor What is the difference between spindle motor and servo motor？ a:There are two main types of motors for CNC machine tools:Feed servo motor and spindle motor。 The requirements of CNC machine tools for feed servo motors are mainly: （1）Mechanical characteristic:The speed drop of the servo motor is required to be small、Large rigidity； （2）The need for quick response:This is in contour machining，Especially for the addition of large curvature...
2016-02-02 Reading quantity 2278
introduction： Clearance is an important factor for the normal operation of bearings。Select the appropriate bearing clearance，The load can be distributed reasonably among the rolling elements；It can limit the axial and radial displacement of the shaft to ensure the rotation accuracy of the shaft；Make the bearing work normally at the required temperature；It can reduce the vibration and noise of the bearing during operation，It can be seen that，Bearing clearance vs. bearing life、Temperature rise、Vibration and noise have a great effect。In the selection of bearing clearance...
2016-02-02 Reading quantity 1854
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