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Characteristics Of Angular Contact Ball Bearing
Characteristics Of Angular Contact Ball Bearing
2021-12-15
Comparison Of Materials Of Various Rubber Sealing Rings
Comparison Of Materials Of Various Rubber Sealing Rings
2021-12-15

一体型偏心軸受の内部故障の治療

The internal factors of bearing failure mainly refer to the three factors that determine the bearing quality, such as structural design, manufacturing process and material quality.

The main causes of fracture failure of integral eccentric bearing are defect and overload. 外部荷重が材料強度限界を超え、部品が破損した場合, それは過負荷骨折と呼ばれます. 過負荷は主に、ホストの突然の障害または不適切なインストールによって引き起こされます. マイクロクラックなどの欠陥, 収縮キャビティ, 泡, 大きな異物, 過熱した組織やベアリング部品の局所的な火傷も、衝撃過負荷または激しい振動の際に欠陥で破壊を引き起こします, これは欠陥破壊と呼ばれます. It should be pointed out that in the manufacturing process of bearing, the presence of the above defects can be correctly analyzed by instruments in the incoming re inspection of raw materials, quality control of forging and heat treatment and processing process control. しかし、一般的に言えば, ベアリングの破壊故障のほとんどは過負荷故障です.

Treatment of internal failure of integral eccentric bearing

The main causes of fracture failure of integral eccentric bearing are defect and overload. 外部荷重が材料強度限界を超え、部品が破損した場合, それは過負荷骨折と呼ばれます. 過負荷は主に、ホストの突然の障害または不適切なインストールによって引き起こされます. マイクロクラックなどの欠陥, 収縮キャビティ, 泡, 大きな異物, 過熱した組織やベアリング部品の局所的な火傷も、衝撃過負荷または激しい振動の際に欠陥で破壊を引き起こします, これは欠陥破壊と呼ばれます. It should be pointed out that in the manufacturing process of bearing, the presence of the above defects can be correctly analyzed by instruments in the incoming re inspection of raw materials, quality control of forging and heat treatment and processing process control. しかし、一般的に言えば, ベアリングの破壊故障のほとんどは過負荷故障です.

Treatment of internal failure of integral eccentric bearing

The main causes of fracture failure of integral eccentric bearing are defect and overload. 外部荷重が材料強度限界を超え、部品が破損した場合, それは過負荷骨折と呼ばれます. 過負荷は主に、ホストの突然の障害または不適切なインストールによって引き起こされます. マイクロクラックなどの欠陥, 収縮キャビティ, 泡, 大きな異物, 過熱した組織やベアリング部品の局所的な火傷も、衝撃過負荷または激しい振動の際に欠陥で破壊を引き起こします, これは欠陥破壊と呼ばれます. It should be pointed out that in the manufacturing process of bearing, the presence of the above defects can be correctly analyzed by instruments in the incoming re inspection of raw materials, quality control of forging and heat treatment and processing process control. しかし、一般的に言えば, ベアリングの破壊故障のほとんどは過負荷故障です.

一体型偏心軸受の内部故障の治療

The main task of bearing failure analysis is to find out the main factors causing bearing failure according to a large number of background materials, analysis data and failure forms, so as to put forward targeted improvement measures, prolong the service life of integral eccentric bearing and avoid sudden early failure of bearing. ベアリング作動時, 外的または内的要因の影響による, the original fit clearance is changed, 精度が低下します, and evenbiteis called clearance change failure.

過度の干渉などの外部要因, 不適切なインストール, 温度上昇による膨張, 瞬間的な過負荷, 等, クリアランス変化の失敗の主な原因は、残留オーステナイトや不安定な状態での残留応力などの内部要因です。.
1. The bearing is damaged.

Check the ball of the ball bearing or the bearing bush of the ball bearing for damage. Repair or replace if damaged.

2. The lubricating oil has impurities, is too dirty, the oil ring is stuck or the brand is wrong.

Replace the oil, find out the cause of jamming and repair it. Replace the lubricating oil when the oil viscosity is too high.

3. There is a lack of oil in the bearing chamber.

Fill 2 / 3 oil chamber with lubricating grease or add lubricating oil to the standard oil level line.

4. The lubricating grease in the rolling bearing is blocked too much, and the temperature of the lubricating oil in the integral eccentric bearing is too low or too high.

The excessive grease in the rolling bearing shall be removed, or the grease in the oil chamber shall be filled to 2 / 3.

5. If the fit between bearing and shaft, bearing and end cover is too loose or tight, too tight will deform the overall eccentric bearing, and too loose is prone torunning sleeve”.

When the fit between the bearing and the shaft is too loose, the journal can be coated with metal paint, and re processed when it is too tight; If the fit between the bearing and the end cap is too loose, insert the end cap tightly and re process it if it is too tight.

6. The covers or bearing covers at both ends of the motor are not assembled well, which is usually not parallel, resulting in the overall eccentric bearing not in the correct position.

Install the covers at both ends or the stop of the bearing cover, and tighten the bolts.

7. The belt is too tight or loose or the coupling is poorly assembled.

Adjust the belt tightness; Correct the coupling.

8. The wrong bearing model was replaced during maintenance.

Replace the bearing of the correct model as soon as possible.

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