After the installation is completed using SKF bearings, to check for proper installation, run checks to. Small mechanical hand rotation, to confirm that the rotate smoothly. Check the project due to foreign body, caused by scars, indentation to seize up, because of the bad installation, mounting process arising out of the bad moments are not stable, owing to the clearance is too small, caused by installation errors, seal friction torque is too large, and so on. Without exception you can start power function.
Large machinery cannot be rotated manually, so no load starting immediately after cutting off power, mechanical idle, check for vibrations, noise, contact rotating parts, and so on, after you confirm without exception, into the dynamic operation.
Dynamic operation, starting from no-load speed, slowly raised to the conditions set forth in the rated operation. Things to check for in the commissioning, whether abnormal sound, changes in temperature, lubricant leakage or discoloration, and so on. If you find an exception, should immediately suspend the operation, inspection machinery and, if necessary, to remove the bearings checked.
SKF bearing temperature, generally according to the external temperature of the bearing seat to speculate. Uses of oil hole direct measurement of the temperature of the bearing outer ring is more accurate. Bearing temperature, from a running start rising, usually temperature-stable after 1-2 hours. Bad if the bearings are mounted, the temperature rises dramatically, exception occurred at high temperature. The reason such as excessive lubricant, bearing clearance is too small, poor installation, sealing device too much friction. High speed rotation occasions, SKF bearings, lubrication method choice is also the cause of the error.
SKF bearings stethoscope moment of checking, strong metal noises, different sound irregular sound of description, such as exception. Due to poor lubrication, shaft or housing poor accuracy, bearing damage, intrusion of foreign bodies, and so on.
Common faults of SKF bearings are as follows:
1, tile surface corrosion: spectral analysis found non-ferrous metal elements concentration exception; iron spectrum appears in a number of non-ferrous metal components of sub-micrometer-diameter wear particles; lubricant excessive moisture, excessive acid.
2, axis, surface of neck injury: ferrography is cutting abrasive or black iron oxide particles, metal surface temper.
3, Journal of surface corrosion: spectral analysis of iron concentrations found exceptions, many of ferrographic iron composition of submicron particles, lubricant excessive moisture or excessive acid.
4, surface injury: iron found in the spectrum of cutting abrasive, abrasive compositions for non-ferrous metals.
5, w back fretting wear: spectral analysis of iron concentrations found exceptions, many of ferrographic submicron wear particles of iron components, lubricants water and acid value exception.
Liquid lubrication, sliding surfaces separated by lubricating oil without direct contact, can also significantly reduce friction losses and surface abrasion, oil film also has a vibration-absorbing capacity



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