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Technical articles
Do you know how to identify cast steel bearing housing and cast iron bearing housing？Its okay not to know.，Here are two simple tips to teach you！
Import thrust ball bearing disassembly inspection，The failure and damage causes of bearings can be judged according to the damage of bearings。
Below is the deep groove ball bearing manufacturers to teach you how to correctly replace the bearing method！
TIMKENCylindrical roller bearingsIts a bearing，It is characterized by large radial bearing capacity，The application is large and medium-sized motor、Rolling stock 。 IMKENSingle row cylindrical bearing： Single row cylindrical bearings with cages are available in six different designs，Various inner and outer ring configurations meet different application requirements。
Asynchronous motor，Also known as“Induction motor”，The rotor is placed in a rotating magnetic field，Under the action of a rotating magnetic field，Get a moment of rotation，Thus the rotor rotates the device。A rotor is a rotating conductor，They are usually squirrel-cage shaped。By electrical engineer Nicola·Tesla1887Inventions of the Year。The concept of induction motor is introduced、contriver、Working principle、Basic structure、Working mode、Braking mode、Asynchronous feature、Specifications and troubleshooting。
According to Xiaobian understanding，Cylinder The cylinder is made up of a cylinder、End cover、piston、Piston rod and seal components, etc，Let me talk a little bit more about the cylindersStructure and function are introduced
In moving parts，Wear of parts due to prolonged friction，It is necessary when the gap between the shaft and the hole is worn to a certain extentReplacement parts，Therefore, designers choose lower hardness when designing、The material with better wear resistance is the bushing or bushing,Bushings are used outside of mechanical components，To seal、Accessories for wear protection and other functions，It refers to the ring sleeve that acts as a cushion。In the field of valves，The bushing is inside the bonnet，Generally, corrosion resistant materials such as polytetrafluoroethylene or graphite are used，For sealing。
hrbbearingSuffix code interpretation： C——15Degree Angle A5——25Degree Angle A6——25Degree Angle A——25Degree Angle B——40Degree Angle
Permanent magnet synchronous motorBoth induction motor and brushless DC machine features。Same as brushless DC motor，There are permanent magnets on the rotor，And the stator has a winding。merely，The stator structure with winding generates sinusoidal flux density in the motor air gap，This is similar to induction motors。Under the same rating，The power density of permanent magnet synchronous motor is higher than that of induction motor，Because it does not consume stator power to generate a magnetic field。Present Day，Permanent magnet synchronous motors are not only designed to be more powerful，It also reduces weight and moment of inertia。
The physical parameter of engineering vibration quantity value is commonly displacement、Velocity and acceleration。Because the amplitude of vibration displacement is small in the usual frequency range，Simultaneous displacement、Both velocity and acceleration are interchangeable，Therefore, in practical use, the magnitude of vibration momentum is generally measured by the value of acceleration。Common unit is：meter/seconds2（m/s2），Or acceleration of gravity（g）。
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