Four ways to open the rolling bearing

Source: China Bearing Network Time: 2018-04-01

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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 room should not be added to the rolling body and the supporting frame of the bearing; this method is simple and easy; but it is easy to damage the bearing; when the bearing is at the end of the shaft Use a copper rod or other soft metal material that is smaller than the inner diameter of the bearing to abut the shaft end; the lower part of the bearing is padded; the hammer is slammed with a hand hammer; it can be removed. This method should be used to pay attention to the orientation of the spacer; The focus should be correct.
3. Pull out the special puller; when disassembling; just rotate the handle; the bearing will be pulled out gradually. When the outer ring of the bearing is disassembled; the angle of the two legs of the puller should be opened outward, and the inner ring of the bearing should be disassembled. When the puller two feet should be inward; stuck on the end face of the bearing inner ring.
Matters needing attention:
1. Hook the puller of the puller to the inner ring of the 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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