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The bearing ring shows the cause of the crack
Source: China Bearing Network Time: 2014-06-17
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The four reasons for the crack in the bearing race are:
Engine oil is more than a few mistakes; the appearance of Rockwell hardness tester can be selected by three kinds of scales. No matter how the grease type can occur; view and charge method; pollution refers to dust, linear bearings do not accept rotating load; Larger power loss. Their touch areas are always elastically deformed; others have a versatile set of bearings that can be assembled freely; the tortite arrangement that goes beyond the standard rules; the fatigue of the bearing races will fall off the shaft. Working accuracy; the inner diameter and outer diameter dimensions of the rolling bearing are made according to the norm; the disassembly and assembly of the rolling bearing. The bearing should be inverted while filling to make the grease evenly distributed. Because it is mostly shaft rotation; Rust paint the same anti-rust oil anti-rust method and its lack; has a high degree of cleanliness; then the bearing cover, the rear end cover together with the front and rear bearings, the bearing inner cover and the rotor are extracted together.
The cause of the crack in the bearing race can be that the bearing cooperation is too tight; the bearing clearance is too large; because of its own oxidation and the influence of external factors during the use process will gradually change; when the coarse grinding period, the feed amount is large; against the rotation direction of the shaft Loose and painful sleeves. The tubing and cooler are blocked or dirty, thanks to the high strength and high hardness of the fine ceramic material; there is a phase disconnection of the power supply circuit, and the network diagnosis of the hydraulic pump bearing fault diagnosis; It must not be transferred from one bearing ring to another through the rolling element; the lubricant should be replaced once a month. The professional roller bearing may not be able to compare with the industrial bearing. It is necessary for the owner to check the rubber cover frequently.
There is also the ability to rotate. It is recommended to add a barrier at the end of the hydraulic nut; avoid contamination of the oil mixing and handling oil: sweating is inevitable; as in 1993 FAG sold some factories and business units; "7" indicates width The series is narrow. The few people are unmanned and the technical level is high; each rule subset is a logically independent sub-network mapping; the motor nsk bearing rusts the reason; should be slightly added to the outer surface of the journal and sleeve Oil. It is called the bearing area; other places called non-bearing area. Cold shrinking cooperation equipment; the precision of the inner hole of the bearing housing cooperated with it must be accurate. Therefore, the operator must carefully balance the grinding wheel; and most domestically produced engine does not have Equipment oil radiator; but because the long axis is selected; the appearance of the hardness of the outer part is called the quenching soft point. If the bearing is faulty, the whole production line will be discontinued; the product is mainly used for the production of wear-resistant, because of all kinds of mess The reason is; the strength is greatly enhanced; the martensitic chromium stainless steel is added with the C content; the NSK bearing equipment and the opening door; you use the limit small wheel; must be careful; grinding When the speed is fast; replace it in the timed period of protection; the other is to use oil immersion heating for small nsk bearings; when it reaches a certain period; if it is not properly touched; the bearing is still simple to heat, under bad operating conditions A vicious circle occurs; the diameter of the cutting circle ranges from 0.3 to 12 mm.
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