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Disassembly steps and maintenance of brake motor
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- Time of issue:2020-07-06 10:30
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(Summary description)Brake motor disassembly and maintenance. Motor disassembly step: use a puller to remove the pulley or coupling, remove the motor tail wind cover, remove the front bearing cover screws and the front and rear cover screws. For larger motors, before disassembling, use a drawing needle on the two end caps and the base respectively to make the original fixed position codes, and knock the top of the front axle with a wooden hammer to loosen the rotor and the rear cover from the base. , And then remove the rotor from the stator. When taking the rotor, you must be careful not to let the rotor scratch the insulation of the stator winding end.
Disassembly steps and maintenance of brake motor
(Summary description)Brake motor disassembly and maintenance. Motor disassembly step: use a puller to remove the pulley or coupling, remove the motor tail wind cover, remove the front bearing cover screws and the front and rear cover screws. For larger motors, before disassembling, use a drawing needle on the two end caps and the base respectively to make the original fixed position codes, and knock the top of the front axle with a wooden hammer to loosen the rotor and the rear cover from the base. , And then remove the rotor from the stator. When taking the rotor, you must be careful not to let the rotor scratch the insulation of the stator winding end.
- Categories:Company news
- Author:
- Origin:
- Time of issue:2020-07-06 10:30
- Views:
Brake motor disassembly and maintenance. Motor disassembly step: use a puller to remove the pulley or coupling, remove the motor tail wind cover, remove the front bearing cover screws and the front and rear cover screws. For larger motors, before disassembling, use a drawing needle on the two end caps and the base respectively to make the original fixed position codes, and knock the top of the front axle with a wooden hammer to loosen the rotor and the rear cover from the base. , And then remove the rotor from the stator. When taking the rotor, you must be careful not to let the rotor scratch the insulation of the stator winding end.
Investigate whether the motor bearing is damaged, and whether the lubricating oil is deteriorated or dry. Hold the outer ring of the bearing and shake it back and forth to see if it is too loose. If the bearing is normal, there is no need to disassemble it. Use kerosene or diesel to clean the bearing. If there is a problem in the inspection, the bearing can be removed with a puller. If the shaft and bearing are too tight or rusty, heating can be used. Wrap the shaft with asbestos rope, heat the bearing with a blowtorch-type oxyacetylene flame to 250°C or so quickly and evenly, and pull it out with a pull tool while it is hot.
The cold disassembly method is: pad the bottom of the damaged bearing with a wooden block, use an iron hammer to break through the periphery, after removing the outer ring, use a hand-held grinder to cut the inner ring of the bearing (there is no need to cut through, which saves you from destroying the rotor. Journal), and then hit the inner ring with a hammer to crack the incision and take out the inner ring. When changing the bearing, it is easy to scratch the rotor journal. Generally, smaller bearings can be directly installed. When installing and replacing larger bearings, put the bearings in an oven for heating. When the temperature reaches 100°C, put the bearings on the rotor journal while hot, and use steel pipes on the shaft. , Against the inner ring of the bearing, hit the steel pipe symmetrically to make the shaft go in place.
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