Bearing checking: foreign economic bearing in 72 how much is the Canon

In the high strength and the improper use of prone to 'bead blasting' phenomenon, Such as the absence of oil using high strength) for a relatively long time & emsp; & emsp; Dust cover dust cover you must have been seen a lot of, it easy to get dirty with dust cover ( Such as above) Mainly is to prevent oil spill, stop the foreign substance into bearing inside. Cling to some grease on the surface of the rotating element in shear under the action of tensile fiber mesh structure, make a small amount of precipitation of lubricating oil in the rotating element and seat on the surface of cambium lubricating film; The rest of the grease is still intact fiber mesh structure, cooling and sealing role. Because GaXian mill rolling force increases unceasingly, in roll roll neck can only select multiple columns bearing, multiple columns bearing design idea is to rely on more columns to uniform roller bearing, in turn, enhance the bearing capacity, but in the actual process of rolling mill using multiple columns of rolling element bearing can't completely uniform can appear even bigger deviation, the main factors of deviation from the bearing itself the deviation of the design and manufacture of bearing installation accuracy and mill parts wear and tear, at the same time, the bearing load distribution and rolling force, the influence of axial force and bending force. Five, pump body causes severe vibration or noise: water pump installation not firm or pump installation is too high; Motor bearing damage; Water pump shaft bending or different heart and motor spindle, not parallel, etc. Most of the computers on the market for sale are V dc fan, power from, therefore, when choosing the size of the CPU power at the same time, the amount should be 'hot'. Compared with glycerin lubrication, oil and gas lubricating system to choose a wide range of oil viscosity, the oil quantity is little, high utilization rate of lubricating oil; Oil and gas lubricating system to produce less waste, easy recycling, cleaner environment. Powder metallurgy precision parts can preparation of amorphous and microcrystalline powder metallurgy industry, the quasi crystal, super saturation solid solution and nanocrystalline series high-performance nonequilibrium materials, these materials have excellent electrical, magnetic, optical and mechanical properties. Banned in measuring high voltage V above) Or high current, it is worth noting that the thickness of oxide layer and the total surface grinding metamorphic layer thickness test results are in correspondence. The following is to introduce! ，RZ— — Non-contact seal bearing are often used to pollution is not very serious, application and dust cover similar, slightly better than dust cover sealing effect. Guide: is the key to the smooth machine, high-precision movement, and in the complex structure of engine, engine bearing is important in this structure, the structure of the core. The service life of rolling bearing and installed correctly or not, using reasonable or not, and maintain a close relationship with many gear is often a one-way transmission, thus caused the lopsided wear. Removing installation specification, bearing housing damage and wear; , these can be in good condition is simple repair of motor bearing chamber, won't cause any legacy.