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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Analysis of five common causes of imported bearings Analysis of the five major causes of several common abnormalities in imported bearings
Analysis of the five major causes of several common abnormalities in imported bearings: /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
First, the big metal noise cause 1: abnormal load; countermeasures: correction cooperation; discuss bearing clearance; adjustment and load;
Reason 2: Poor equipment; countermeasures: machining accuracy of shaft and outer casing; improvement of equipment precision and equipment method.
Reason 3: lack or inappropriateness of the smoothing agent; countermeasures: make up for the smoothing agent; pick the right smoothing agent.
Reason 4: The rotating part has a touch; Countermeasure: Correct the touch of the curved road seal.
Second, the rule noise reason 1: because the foreign matter forms the rolling surface indentation, rust or scar; countermeasures: replace the bearing; remove the relevant parts; improve the sealing equipment; use a clean smoothing agent.
Reason 2: (after steel carburizing) external deformation; countermeasures: replace the bearing; pay attention to its application.
Reason 3: Rolling surface peeling; countermeasure: replace the bearing.
Third, the irregular noise causes 1: the clearance is too large; countermeasures: study cooperation and bearing clearance; modify the preload.
Reason 2: foreign matter intrusion; countermeasures: study and replace the bearing; remove the relevant parts; improve the sealing equipment; use a clean smoothing agent.
Reason 3: Spherical injury, peeling; Countermeasure: Replace the bearing.
Fourth, abnormal temperature rise reason 1: excessive smoothing agent; countermeasures: reduce smoothing agent; excessive use; pick harder smooth grease.
Reason 2: lack or inappropriateness of the smoothing agent; countermeasures: make up for the smoothing agent; pick the right smoothing agent.
Reason 3: Abnormal load; countermeasures: correct cooperation; discuss the clearance of the bearing; adjust the preload; correct the shoulder orientation of the outer casing.
Reason 4: Poor equipment; Countermeasures: Improve machining accuracy, equipment accuracy, and equipment methods for shafts and casings.
Reason 5: creep of the cooperation surface, conflict of sealing equipment is too large; countermeasures: replace the bearing; discuss cooperation; modify the shaft and outer casing; change the sealing method.
5. The smoothing agent leaks too much; the cause of discoloration: excessive smoothing agent; foreign matter intrusion, foreign matter in the wear powder; countermeasures: excessive use of smoothing agent; research and selection of smoothing agent; research on replacement of bearing;
Extend the life cycle approach to imported bearings:
1. Whether the equipment of imported bearings can be correct; affects accuracy, life and function.
Therefore, the equipment for drawing and assembling parts of the bearing should be fully studied. It is expected that the equipment should be carried out in accordance with the operating specifications. The items of the operation specifications are generally as follows:
(1) Clear the bearing and bearing components,
(2) View the dimensions and finishing conditions of the dry components,
(3) equipment,
(4) View after the equipment is well bearing,
(5) Supply smoothing agent.
2, alignment, alignment after the bearing equipment, if not carefully adjusted, straightening can cause the bearing to suffer other loads, conflicts and oscillations. These can speed up fatigue and reduce the life of the bearing, and can It can damage the service life of other machine parts. In addition, the added oscillations and conflicts can greatly increase energy consumption and premature failure risk.
3, the basic condition monitoring in the application time, often to monitor the fundamental external conditions of bearing operation, such as temperature, oscillation and noise measurement, etc. These regular views will find potential problems early and will avoid unexpected Intermittent representation of the machine; enabling production planning, progressive plant productivity and power.
4, smooth again in the operation process, the imported bearing demand has the correct smooth again; complete its embodiment. The bearing is smooth; divided into smooth grease and smooth oil. In order to make the bearing well function; first; choose the right Applying conditions and applying a sleek approach to intentions. If you only think about smoothness; the smoothness of the oil is dominant. But the grease is smooth and has the expertise to simplify the layout around the bearing.
5, remove the time when the imported bearing will reach its end of the application period, it should be replaced. Although the bearing can not be used again, but the original bearing is properly removed; replace the new bearing in time; use the new bearing The extension of the number of life can be a good boost. First, the use of the proper removal method will help prevent damage to other machine components. Second, the skill of improper removal can be used by the operator. Form damage.
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Analysis of the five major causes of several common abnormalities in imported bearings
Source: China Bearing Network Time: 2014-05-11