| Home>Bearing knowledge>Reverse bearing raceway stripping and correction of ring gear teeth |
Correction of reverse bearing raceway stripping and ring gear breaking
Source: China Bearing Network Time: 2018-07-09
| /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089'; |
Regarding the stripping of the raceway; firstly, it must be correctly discriminated. It is peeled off; it is usually not easy to see on the outside. According to our experience; when the following conditions are present; the stripping of the raceway is revealed: when the main load is reversed; There is a "squeeze-squeaky" abnormal sound; the reversal speed is not uniform or a certain azimuth speed is significantly slowed down with a slight oscillation, the reverse motor temperature rise is too high or the current is too large, reverse motor and hydraulic coupling or The keyway of the coupling, etc. is crushed, etc.
After stripping; it is necessary to correct it in time. Otherwise, the stripping area will expand; the entire inversion bearing will be invalidated.
The correction method is: first remove the roller or steel ball in the reverse support; make the inner and outer rings separate, then clean the raceway with gasoline, and then carefully use the polishing machine (grinding wheel) to carefully pin the US Microsoft pinning zone. Grinding hardened layer of cracks that have occurred around; grinding the bottom of the stripping layer, preheating the welding torch with the welding torch at the raceway; welding with medium carbon steel welding rod (drying before use of the welding rod; Bake and use); to make the welding layer slightly higher than the outer surface of the raceway 1-2mm, if the peeling layer is deep or large; should be layered and welded; do not make the base material temperature too high and cause deformation, which prevents Rapid cracking occurs in the welding crack; the heat preservation method should be adopted immediately after welding; let him gradually cool down. After cooling, smooth the repair layer with a sander; make it slightly higher than the raceway surface; use the oil stone or metallographic abrasive cloth to gradually grind The welding layer table; make it consistent with the height of the normal appearance of the raceway; use the corresponding original curvature template to detect; until the qualified stop, use the gasoline to remove the raceway and the roller (steel ball) to apply grease; assembly into one can complete.
According to the above method, the tower crane and other equipment will be supported by the reverse rotation of the raceway;
The reason for reversing the ring gear may be that the quality of the casting of the tooth parent material (such as blisters, interlayers, etc., the gear bending resistance is significantly weakened), the stone teeth are embedded in the mesh during the operation or Hard objects such as steel bars; the bending stress of the gear teeth is increased and cracked.
The correction method is partial repair welding or insert correction; the partial repair welding method is: firstly remove the residual crack base of the damaged part with a portable grinding wheel; clean it with gasoline (oil), and preheat it with this torch; After reaching a certain temperature; use medium carbon steel welding rod to push out the shape of the tooth in the damaged part of the tooth; make it 1-2mm higher than the tooth surface of the party, and have experienced the mechanics of the machine; according to the tooth pattern test Until the tooth shape meets the requirements to stop.
When one of the entire teeth of the reverse ring gear is damaged; it can be cut along the root; then the root is twisted into a certain shape; as shown in Fig. 1. Then one tooth is stored on the same type of used ring gear; After the corresponding shape of the base metal; put into the groove; use the toothed template to clamp the positioning to ensure the consistency of the tooth pitch; and use the double wire clamp to increase the value; weld around the teeth with low carbon steel. Finally use the file Wait for things to flatten the weld; make sure the gear teeth are stable.
Recommend to friends comments close window
| Bearing related knowledge |
| The radial bearing and thrust bearing scale series show the difference analysis between the axial positioning of the rolling bearing and the sliding bearing of the miniature bearing rolling bearing support layout bearing. |
This article links to http://
Please indicate the bearing network http://
Previous:Discriminate the "SKF mill bearing operation rules" matters focus on the next series: detailed explanation of various fan bearing skills to choose quiet efficient radiator
Barbecue wire Grill Grate is made of high quality 304 stainless steel, never rusting and durable. BBQ Wire mesh does not have any coating or chemical ingredients, making food safer.
Multi-functional Grill Cooking Grid Grate: This wire mesh is mainly used for BBQ Grill Mat for outdoor cooking, it can also be used as a cooling and baking rack. Or you can develop other uses for it.
BBQ Grate,BBQ Mesh,BBQ Grill, grill grate,grill mesh
Shenzhen Lanejoy Technology Co.,LTD , https://www.baking-rack.com