Many of these have been mentioned in previous articlesThree-phase asynchronous motorMaintenance and maintenance methods, only do a good job of daily basic maintenance measures in order to make the motor run longer. Follow Senli Motor Xiaobian to learn today's content.

       We are going onThree-phase asynchronous motorDisassembly steps during disassembly maintenance:

       1.Remove belt or coupling;

       2.Remove motor tail hood, front bearing outer cover screws and front and rear end cover screws

       3.Mark the fixed position before disassembly, knock the top of the front shaft with a wooden hammer to loosen the rotor and the rear end cover from the frame, and remove the rotor from the stator. Care should be taken here not to let the rotor chafe the stator winding head insulation.

       Check whether the motor bearing is damaged, whether the lubricating oil is deteriorated, etc.; You can also grasp the bearing outer ring by hand to shake it back and forth to see if there is too much loose shake. If everything is normal, you can also use kerosene or diesel to clean the bearing without disassembly.

       In this process, when the shaft and the bearing are too tight or rust dead, it can be solved by heating. The shaft is wrapped with asbestos rope and heated quickly and evenly with blowtorch oxyacetylene flameThree-phase asynchronous motorBearing to250℃Right and left. Pull it out while it's still hot. Pad the wood under the bad bearing, break the outer ring, take off the outer ring, use the hand grinder grinding wheel to cut a hole in the inner ring of the bearing, do not cut through here, to avoid damage to the rotor journal, and then knock the inner ring, so that the incision is broken out.

       Pay attention to the cleanliness of lubricating grease, need to be properly stored do not add dust, iron filings, grit, if such grease into the bearing, will wear faster. Because the bearing causes the rotor to sweep the bore, there are many cases of burning, which cause concern.

       With the development of the world economy, the proportion of industry in national production is getting higher and higher, as a basic equipment of industrial production is more and more widely used, so the maintenance and overhaul is also an indispensable part of the maintenance and overhaul work, how to be more convenient, faster and more economical is worth our continuous exploration and practice.

       The above content is composed ofThree-phase asynchronous motor manufacturersMori machineProvided, interested in this or want to know about our products can consult online message or call directly0575-8378-1127.