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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>INA compressor bearing overheating cause and solution INA compressor bearing overheating reasons and solutions
[Daily Bearing Network] Summer is the peak period of compressor failure; INA compressor bearing superheating appearance is very common, there are many reasons; out of the compressor itself; the reasons for compressor bearing overheating are as follows: /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
1. INA imported bearing and journal are not evenly attached or the contact surface is too small (cooperative gap is too small); the specific pressure per unit area is too large; most of this happens after the new machine is commissioned or replaced with a new bearing;
2. The INA bearing is skewed or the crankshaft is tortuous and distorted;
3, the quality of the bearing bush is not good; the quality of the lubricating oil does not match (small viscosity); or the oil circuit is blocked. The oil supply pressure of the gear oil pump is too low; and the oil supply is suspended; the bearing bush is short of oil; the dry conflict occurs;
4. The INA bearing has too many sundries or lubricating oil; or the lubricating oil is too dirty;
5. The bearing bush has uneven wear and tear;
6. When the compressor is installed, the spindle and the motor (or diesel) spindle coupling are not aligned; the error is too large; the two axes are skewed.
The solution is usually the right medicine:
1. Scrape the bearing bush by coloring method; make the contact surface meet the demand; improve the specific pressure per unit area;
2, properly adjust the cooperation gap; view the crankshaft twists and turns, distortion; change the new crankshaft or repair according to the situation;
3. Use the bearing bush that fits the quality; view the oil pipeline and the gear oil pump; use the lubricating oil that meets the quality requirements; check and adjust the oil pump to make the pressure reach the demand;
4. Remove and replace the new engine oil; adjust the oil pressure;
5. Replace the new bearing bush;
6, the two machines concentricity should be positive, leveling its public service value should match the value of the machine manual rules. Especially when the compressor and motor are connected with rigid connection; more attention should be paid to alignment.
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INA compressor bearing overheating reasons and solutions
Source: China Bearing Network Time: 2017-12-14
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