How to carry out the operation of the life testing of EDA bearing imports
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Power operation, from the no-load speed, slowly increased to the rated operating condition.
Test run of issues, whether there is abnormal sound, EDA bearing temperature, lubricant leakage or discoloration etc.. If abnormal, should immediately suspend the operation, inspection machine, necessary to remove the bearing inspection. Bearing temperature, generally according to the external temperature of the bearing seat to speculate.
But the direct measurement of the bearing outer ring with oil hole temperature more accurately. But the direct measurement of the bearing outer ring with oil hole temperature more accurately. Bearing temperature, from a running start rising, usually 1~2 hours after the temperature stability. Bad if the bearings are mounted, the temperature will rise sharply, abnormal high temperature. The reason such as excessive lubricant, the bearing clearance is too small, poor installation, sealing device too much friction. High speed rotating occasions, lubrication structure, choice is also the cause of the error. Www.zcwz.com
Using the factor mainly refers to the installation and adjustment, maintenance, maintenance repair and other compliance with technical requirements. According to the requirements of SKF bearing installation, use, maintenance, maintenance technology, which acted on EDA operation of imported bearings load, speed, temperature, vibration, noise and lubrication condition monitoring and inspection, found abnormal immediately find reasons, adjust, make its return to normal. Installation conditions is one of the leading factors in the use factor, the bearing is often caused by the installation of inappropriate stress state between the various parts of the complete bearing change, bearing an abnormal state operation and early ending life
The internal factors are mainly three factors refer to structural design, manufacturing process and material quality determines the quality of the bearing.
The metallurgical quality of bearing materials are the main factors affecting the early failure of rolling bearings once. With the metallurgical technology (such as vacuum degassing of steel bearing) progress, improved quality of raw materials. Raw materials quality factors has been a marked decline in the proportion of bearing failure analysis, but it is still one of the main factors of bearing failure. Proper selection is still bearing failure analysis must be considered.
Manufacturing EDA import bearings generally after forging, heat treatment, machining, grinding and assembling multi-channel processes. Rationality, advanced processing technology, the stability will also affect the service life of bearing. The effect of heat treatment and grinding process quality of finished bearings, often has a more direct relationship with the bearing failure. Study on bearing surface modification layer of work in recent years, the relationship between grinding and surface quality of bearing close.
The main task of EDA imported bearings service life, according to the analysis of data and failure forms of the large amount of background material,, identify the main factors causing bearing failure, so as to put forward the improvement measures, extending the service period of bearing, avoid bearing early failure of sudden onset. Www.zcwz.com
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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EDA import bearings after installation, in order to check for proper installation, to running inspection. Small machinery can be rotated by hand, to confirm whether the rotation is smooth. Check the project caused by foreign body, scars, indentation running sluggish, due to poor installation, mounting process arising out of the bad moment is not stable, because the clearance is too small, installation error, sealing caused by friction force is too large and so on. If there is no anomaly can begin power operation. Www.zcwz.comPower operation, from the no-load speed, slowly increased to the rated operating condition.
Test run of issues, whether there is abnormal sound, EDA bearing temperature, lubricant leakage or discoloration etc.. If abnormal, should immediately suspend the operation, inspection machine, necessary to remove the bearing inspection. Bearing temperature, generally according to the external temperature of the bearing seat to speculate.
But the direct measurement of the bearing outer ring with oil hole temperature more accurately. But the direct measurement of the bearing outer ring with oil hole temperature more accurately. Bearing temperature, from a running start rising, usually 1~2 hours after the temperature stability. Bad if the bearings are mounted, the temperature will rise sharply, abnormal high temperature. The reason such as excessive lubricant, the bearing clearance is too small, poor installation, sealing device too much friction. High speed rotating occasions, lubrication structure, choice is also the cause of the error. Www.zcwz.com
Using the factor mainly refers to the installation and adjustment, maintenance, maintenance repair and other compliance with technical requirements. According to the requirements of SKF bearing installation, use, maintenance, maintenance technology, which acted on EDA operation of imported bearings load, speed, temperature, vibration, noise and lubrication condition monitoring and inspection, found abnormal immediately find reasons, adjust, make its return to normal. Installation conditions is one of the leading factors in the use factor, the bearing is often caused by the installation of inappropriate stress state between the various parts of the complete bearing change, bearing an abnormal state operation and early ending life
The internal factors are mainly three factors refer to structural design, manufacturing process and material quality determines the quality of the bearing.
The metallurgical quality of bearing materials are the main factors affecting the early failure of rolling bearings once. With the metallurgical technology (such as vacuum degassing of steel bearing) progress, improved quality of raw materials. Raw materials quality factors has been a marked decline in the proportion of bearing failure analysis, but it is still one of the main factors of bearing failure. Proper selection is still bearing failure analysis must be considered.
Manufacturing EDA import bearings generally after forging, heat treatment, machining, grinding and assembling multi-channel processes. Rationality, advanced processing technology, the stability will also affect the service life of bearing. The effect of heat treatment and grinding process quality of finished bearings, often has a more direct relationship with the bearing failure. Study on bearing surface modification layer of work in recent years, the relationship between grinding and surface quality of bearing close.
The main task of EDA imported bearings service life, according to the analysis of data and failure forms of the large amount of background material,, identify the main factors causing bearing failure, so as to put forward the improvement measures, extending the service period of bearing, avoid bearing early failure of sudden onset. Www.zcwz.com
