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introduction：The common tool used to monitor the working state of rolling bearings by auscultation is the long screw screw with wooden handle，You can also use an outside diameter ofφ20mmHard plastic tube left and right。Relatively speaking，Monitoring with an electronic stethoscope，More conducive to improve the reliability of monitoring。
2017-10-12 Reading quantity 152
introduction：SKTBearing bearing has a wide range of use，Bearings are everywhere in our lives，Rotation is inseparable from bearings，Bearing visible everywhere。The electric fan of life，Roller shoes for children，bicycle，Electric vehicle，car。
2017-10-12 Reading quantity 157
introduction：Shun Lei thin bearing Bearing seal bearingThe seal can be divided into two categories: built-in seal and external seal。The so-called bearing seal is to manufacture the bearing itself into a device with sealing performance。Such as bearing with dust cover、Seal ring。This seal takes up very little space，Easy to install and disassemble，The cost is also relatively low。 The so-called bearing plus seal performance device，It is a sealing device with various properties that is manufactured inside the installation end cover and so on。
2017-10-11 Reading quantity 176
introduction：Ball screw（Ball screw）Transmission system is a rolling screw transmission system with ball as rolling medium。In the form of transmission is divided into two
2017-10-11 Reading quantity 146
introduction：Elimination of axial clearance。After the ball screw is disassembled，In order to ensure the reverse transmission accuracy and axial stiffness，Axial clearance must be eliminated。The method of eliminating the clearance of the double nut ball screw pair is：Use the relative axial displacement of the two nuts，The balls in the two ball nuts are attached to the opposite sides of the threaded raceway。When the axial clearance is eliminated by pretightening in this way，It should be noted that the pre-loading force should not be too large，Otherwise, the no-load torque will increase，Thus reducing transmission efficiency。
2017-10-11 Reading quantity 158
introduction：Only some linear bearings are damaged in practical applications。Most linear bearing applications exceed the life of the machine or equipment itself。There are many reasons for linear bearing damage—The load exceeds the original estimate、Too small linear bearing clearance caused by ineffective sealing or too tight fit。Any one of these factors has its special damage type and will leave special damage traces。therefore，Inspection of damaged linear bearings can reveal the possible causes in most cases，And based on these findings，Take measures to prevent recurrence。
2017-10-10 Reading quantity 156
introduction：Should remain15%Residual space of,Let in cable,Tubing etc. can move freely,There is no tension on the drag chain in the radius direction。
2017-10-10 Reading quantity 133
introduction：The main valve damping hole of the relief valve is blocked，Slide valve under lower oil pressure，Overcome the upper chamber oil pressure and main valve spring force，Move the main valve up，The pressure regulating spring loses control of the main valve，Therefore, the main valve opens the overflow port at a lower pressure。In the system，Normal operation of the pressure valve，Sometimes sudden failures are often the reason。
2017-10-10 Reading quantity 137
introduction：Anti-friction and anti-wear，Reduce friction resistance to save energy，Reduce wear to extend mechanical life，Improve economic efficiency； Because of lubrication when the engine is running，Some friction areas are not properly lubricated，It creates dry friction，Resulting in damage or even stuck parts。
2017-10-09 Reading quantity 193
introduction：There are many varieties of anti-rust oil，The characteristics of various oils are also different。Some have better displacement，Some have better resistance to moisture and heat，Some have better resistance to salt spray，Some high temperature resistance and good gas resistance，Each has its own specialty。Different types of oil，Different uses，There are short-term rust prevention between processes、Anti-rust lubrication and long-term storage anti-rust。
2017-10-09 Reading quantity 118
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