Home>Bearing knowledge>Explanation of the "opening methods of various types of bearings"

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Detailed discussion on the disassembly method of "various types of bearings"

Source: China Bearing Network Time: 2013-01-29

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The disassembly of the bearing should be carried out with the same care as the device. Pay attention not to damage the bearing and the parts; especially the dismantling of the interference cooperation bearing; the operation is difficult. Therefore, it is easy to disassemble in the drawing stage beforehand; It is also very important to manufacture and disassemble things. When disassembling; study the dismantling methods and order according to the drawings; query the cooperation conditions of the bearings; in order to obtain the full confidence of the opening operation.
1. Unpacking the outer ring and disassembling the outer ring of the interference cooperation; beforehand, place several outer ring kneading screw screws on the circumference of the outer casing; tighten the screws equally on one side; while disassembling them, 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 inner ring of the cylindrical hole bearing is disassembled; it can be pulled out by the pressure machine. At this moment; pay attention to let the inner ring accept its pulling force.
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 expanded and then pulled.
3. The taper hole bearing is disassembled and disassembled to be smaller than the compact sleeve bearing; the inner ring is supported by the block fastened on the shaft; the nut is turned back several times; the block is hit with a hammer to open and disassemble.
Large bearing; it is more and more simple to use oil pressure to disassemble; pressurize oil in the oil hole on the cone shaft; make the inner ring swell; remove the bearing. In operation; there is a bearing that can be pulled out; The nut is used as a block as well.

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