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KOYO bearing identification specifications and maintenance conditions
Source: China Bearing Network Time: 2018-02-01
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Bearings mainly support and reduce the friction in the machine; therefore, the accuracy and noise of KOYO bearings are directly related to the operation and life of the machine. However, the business personnel often encounter some customers who use the best bearings or The power of the bearing is not high; this is related to the application and selection of the bearing.
Because the types of bearings are large and wide; the following professors will mainly make some analysis on the application and selection of the most widely used deep groove ball bearings. It is expected that people who know less about bearings can deepen their knowledge of bearings.
When repairing the KOYO bearing under disassembly; firstly record the appearance of the bearing; recognize the residual amount of lubricant; after sampling; remove KOYO bearing. Remover uses gasoline and fire oil throughout.
Removal of KOYO bearings removed; coarse and fine washing; first put metal mesh in the container; make the bearing not directly touch the dirt inside the container. When rough washing; if the bearing rotates with dirt; it will damage the bearing Rolling surface; should pay attention to. In the rough washing oil; use the brush to go out to grease, adhesive; after cleansing; turn into fine washing.
Fine washing; the KOYO bearing is rotated while removing the oil; while carefully cleaning. Others; the oil should also be replaced frequently to keep clean.
KOYO bearing inspection and discriminating can be used when the KOYO bearing can be reused; check after the bearing is removed; carefully check the raceway surface, the rolling surface, the condition of the cooperation surface, the wear condition of the cage, and whether the bearing clearance can be added. And whether there is damage or abnormality that affects the accuracy of scale reduction, non-detached small ball bearings, etc.; use one-handed flat end inner ring; rotating outer ring acknowledges whether it can be smooth.
Tapered roller bearings and other separate bearings; can be viewed from the rolling surface of the roll and outer ring.
Large bearings can not be rotated by hand; pay attention to the appearance of the rolling body, raceway surface, cage, ribs, etc. The higher the importance of KOYO bearings, the more careful inspection.
It is judged whether the KOYO bearing can be used again; it should be based on the degree of damage, mechanical properties, importance, working conditions, viewing cycle, etc. of the bearing. However, if the following defects are found during the inspection; the bearing cannot be used continuously; KOYO bearing.
(a) There is a crack or a gap in the inner ring, the outer ring, the roll body and the cage.
(b) One of the ferrules and the rolling body is cracked.
(c) Significant abrasions on the rolling surface, ribs and roll.
(d) The cage is worn significantly; or the rivet is significantly loose.
(e) There are rust or scars on the raceway surface and the roll body.
(f) There are severe indentations or bumps on the raceway surface and the roll body.
(g) There is significant creep on the inner diameter surface of the inner ring or the outer diameter surface of the outer ring.
(h) Significant discoloration due to overheating.
(i) KOYO bearings sealed with grease; seals or dust caps are severely damaged.
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