Bearing disassembly

Source: Bearing network time: 2013-12-30

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The disassembly of the bearing; after the regular maintenance; when the bearing is replaced, after the disassembly; if it is to be used continuously; or when the condition of the bearing is to be checked; the disassembly must be as careful as the device.
Pay attention not to operate the bearing and various parts; especially the dismantling of the interference cooperation bearing; it is very difficult to operate. Therefore, it is necessary to think about it beforehand in the drawing stage. It is also very important to manufacture and disassemble according to the requirements. According to the drawings, the method of dismantling, the order, and the cooperation conditions of the bearing are discussed; in order to obtain the full confidence of the opening operation.
1; disassemble the outer ring and disassemble the outer ring of the surplus fit; beforehand, place several outer ring kneading screw screws on the circumference of the outer casing; tighten the screw equally on one side; and disassemble one side. These screw holes are blindly closed. Plug; tapered roller bearing and other separate bearings; set a few cuts on the outer shoulder of the shell; use the block; use a press to open; or slam the open.
2; the opening of the inner ring of the cylindrical hole bearing; the most simple to pull out with the press. At this moment; pay attention to let the inner ring accept its pulling force. Need to think about the dimensions of the shaft shoulder; or discuss processing at the shoulder Up the ditch; in order to use the pick-up fixture.
The inner ring of the large bearing is disassembled and selected by the oil pressure method. The oil pressure is set on the shaft to make it easy to pull. The bearing with large width is used in combination with the drawing and clamping device;
The inner ring of NU type and NJ type cylindrical roller bearings can be disassembled by induction heating method. The part is heated in a short time; the inner ring is swollen and then pulled out. It is required to install a large number of such bearing inner rings; Use induction heating.
3; the taper hole bearing is disassembled and disassembled compared to the small sleeve bearing sleeve; the inner ring is supported by the block fastened on the shaft; the nut is turned back several times; the block is hit with the hammer to open and disassemble .
Large bearing; the use of no pressure to dismantle the year is more simple. In operation; there is the ability of the bearing to suddenly come out; it is best to use the nut as a block.

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