cold rolling mill is an important machine and equipment for copper plate and strip production. Four row cylindrical roller bearing for cold rolling mill is the main component of cold rolling mill and the main guarantee component for high-speed and high-precision cold rolling system process. Since the 1980s, four row cylindrical roller bearing for cold rolling mill has been widely used in nonferrous plate metallurgical industrial enterprises, There are also many doubts about precise application and application handling in practical activities. It mainly includes two aspects: how to develop the effective life limit of four row cylindrical roller bearings for cold rolling mills and how to reduce its harm to the precision of rolled products. This is particularly outstanding for the copper plate and strip production and processing enterprises under construction, small and medium-sized copper plate and strip production and processing enterprises and enterprises that have greatly expanded their copper plate and strip production and processing enterprises, but their application processing methods and technical talents are not strong.
Due to the weak foundation for the comparison of technical talents and kinetic energy of this enterprise, the understanding of four row cylindrical roller bearings for cold rolling mills is relatively shallow, and there are many doubts about the machinery and equipment, application and application handling of four row cylindrical roller bearings for cold rolling mills; The service life of rolling bearings is short, and cold-rolled goods are often damaged by rolling bearings, which greatly endangers the firm opening probability of machinery and equipment, the maintenance cost of machinery and equipment, and the labor efficiency of maintenance workers.
Therefore, how to improve the accurate understanding of four row cylindrical roller bearings for cold rolling mills and improve the effective application and application of four row cylindrical roller bearings for cold rolling mills seems more and more urgent. According to the summary of practical experience in copper processing enterprises, there are some doubts in the application and application process of four row cylindrical roller bearings for cold rolling mills.
① Four row cylindrical roller bearings for cold rolling mills are treated equally with general rolling bearings, and there is no special application method.
② Arbitrarily cut the circle of other user groups in the rolling bearing to destroy the bearing clearance.
③ Rolling bearing machinery and equipment are rough, pulled and smashed.
④ Bright and clean is not standard, especially the way of thin oil bright and clean, too bright and clean is not optimistic.
⑤ It can be easily matched with roll and bearing with seat, and the precision of side clearance is reduced.
⑥ The rolling bearing is not maintained in time and the application method cannot be used properly.
⑦ There is no accurate matching scheme and side clearance standard for rolling bearings of new machinery and equipment.
⑧ The incoming inspection and inspection of rolling bearing are unreasonable.
⑨ The overweight of machinery and equipment is not optimistic, and the service life of rolling bearings is reduced.
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