Analysis of the causes of early damage of bearings

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Analysis of the causes of early damage of bearings

Source: Bearing network time: 2013-07-30
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The reason for the early damage of the bearing - (smooth is not appropriate)
Although it can be equipped with "protection-free" rubber seal bearings; however, the premature failure of the bearings still has a percentage of 36 due to the smooth application of smooth grease skills.
Any smooth and unsatisfactory bearing; no early failure to prevent; because the bearing is not easy to assemble and disassemble the glue in the hub; and innately applied the incorrect smooth grease; and does not replace the smooth grease in later use; perhaps in smooth grease It is not possible to replace it in time after the carbonization and pollution change; then it is difficult for your hub to meet the long life and outstanding smoothness.
The bicycles used in bicycles nowadays encounter small standard bearings that are mostly deep groove balls; such as 609; 6000; 6001; 6200; these are industrially used for the stator and rotor of small-scale motors; Such small Peeling is generally pre-installed with low viscosity; high smoothness of broad-spectrum smooth grease.
Reasons for early damage to the bearing - (not properly installed)
Another reason for the damage is as high as 16%; that is, this installation is not proper; and the fault is perhaps a violent loading method; so that the Palin has already hit the surface of the smooth bowl on the surface of the smooth bowl.
In order to make the Palin card tightly anchored; prevent the occurrence of the conflicting appearance of the bushing (this kind of appearance will cause high temperature when the high-speed transformation of the machine is smashed; the formation of smooth oil burns and even causes the heat to rise and die; the formation stops); The bowl and the outer bowl (also known as the bearing box in the industry) use an "overweight" appearance; in a nutshell, the shaft is larger than the inner one; perhaps the outer bowl is larger than the load; this kind of interference requires a lot of strength to dry up Into such; the loading requires a great effort to strike the Palin; this will form the damage of the Palin in the process of tapping; therefore, the industrial large bearings generally use heating; hydraulic jacking and other methods.
Bicycles use glued deep groove ball bearings; such bearings are most afraid of knocking (the needles of Palin and Da Pei Lin are slightly more resistant to percussion); and they are not used for heating; however, due to bicycles Palin's over-profit is very good. 踔寥缜 琅嗔 琅嗔 琅嗔 目 目 目 杂 杂 杂 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 凰 那 那 那 那 那 那 那 那 那 那 那 那降 砻妫 砻妫 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂 褂
Look at the axle; before the race, perhaps before the competition, find the problems of Palin; early in the smooth deterioration of Palin; early to remove these problems to smooth or replace; to prevent the hardware due to difficulties; It is important for both professional drivers and amateur drivers.
Contact is a very simple method; in industry; Palin's smooth problem can incur high temperatures; it can be felt by hand contact; this high temperature can be harmful to the smoothing agent in the forest; Even reaching the place where the Palin is heated; the contact of the bicycle is only the axis of the hub that is changing with the hand; this can feel the condition inside; the sensation indicates that the pit is present or the beads are not round now; Feeling is the lack of outstanding smoothness; and if it is a change of card, then the equipment that clarifies that the oil is dry or faulty makes Palin now over-displaced.
The investigation is mainly aimed at the appearance of Palin; see if the seal can be broken; unpack the seal to see if the smooth oil can be dried; black indicates smooth oil pollution or carbonization; white turbidity clarifies the water; The sooner the discovery is; the more dangerous the oil is after the change of oil.
Listening; industrial electronic stethoscope is used to check the condition of Palin; the snoring of depression means that Palin is working normally; and the sound of singer and sharp snoring may be other irregular business; that indicates that the bearing is in an abnormal working condition. .
Sharp snoring may be an inappropriate smooth formation; inappropriate smoshing may be a metal conflict; while the sound of Sith may be smooth oil contamination. Irregular murmurs are announced by the sensation of the raceway dent. In the case of an electronic stethoscope, there is a simple way to use the bicycle; use a wooden stick on the front fork or the rear fork; then change; and the center shaft can also use this method; but because the sound of the center shaft is mixed with the rear axle So poor judgment.
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