Method of disassembling the rolling bearing

Source: China Bearing Network Time: 2014-08-14

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First, the push method pushes the bearing with the press; the operation is stable and firm; the machine and the bearing are shielded from the machine room. The press has manual pushing; the mechanical or hydraulic press pushes.
Matters needing attention: the focus of the press should be in the middle of the shaft;
Second, the tapping force is usually added to the inner ring of the bearing; the knocking force of the shielding machine room should not be added to the rolling body and the supporting frame of the bearing; this method is simple for Shaanxi SKF bearing; but it is easy to damage the bearing; when the bearing is located At the end of the shaft; use a copper rod smaller than the inner diameter of the bearing or Other Shanxi SKF bearing soft metal material to resist the shaft end; the lower part of the bearing is padded; the hammer is quietly tapped; it can be removed. Place the orientation properly; focus should be correct.
3. Pull out the special puller; when disassembling; just rotate the handle; the bearing will be pulled slowly by the slow Nanning SKF bearing. When the outer ring of the bearing is disassembled; the angle of the two feet of the puller should be opened outwards. When opening the inner ring of the bearing; the two legs of the puller should be inward; stuck on the end face of the inner ring of the bearing.
Matters needing attention:
1. Hook the puller of the puller to the inner ring of the bearing SKF bearing; instead of hooking it on the outer ring; avoid excessive looseness or damage of the bearing.
2. When using the puller; align the Screw to the middle hole of the shaft; do not tilt. Also pay attention to the force of the hook and the bearing; do not damage the hook and the bearing.
3, pay attention to avoid the hook slip,
4, the angle of the two feet of the puller is less than 90 Â°.
4. The hot-disassembling method is used to disassemble the tightly-cooperative bearing. Firstly, the oil heated to about 100 Â°C is poured into the bearing to be disassembled; after the bearing ring is heated, the bearing can be pulled out with a puller. .
Matters needing attention:
1. First and foremost; the puller should be mounted on the bearing to be removed; and a certain pulling force should be applied.
2. Before heating; the shaft should be wrapped with asbestos rope or thin iron plate; avoid the shaft from being heated and expanded; otherwise it will be difficult to disassemble; when the bearing is removed from the bearing housing hole; only the bearing housing hole can be heated; Can't heat the bearing,
3. When pouring oil; shield the machine room to pour the oil pot smoothly on the bearing ring or the rolling body; and place an oil basin under it; collect the hot oil flowing down; avoid the dregs and burns,
4, the operator should wear asbestos gloves; avoid burns.

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