To reduce production costs, the Ministry of Baosteel stainless steel equipment to carry out a 20-roll mill backing bearing repair technology research, rehabilitation of 16 for the first time in bearing, put into use at the end of last year so far has withstood many belt test, bearing in good condition, reaching importlevel of spare parts, reduce equipment costs 48 million yuan.
 
Baosteel stainless steel cold rolling plant has maintained a 20-roll mill production has been at full capacity, according to the production process requirements, the need to replace the amount of backing bearing wear beyond the design diameter range, but this backing bearings for imported spare parts, the price expensive, long procurement cycle, and bearing wear at its outer ring had to replace the entire bearing. To this end, the Ministry of equipment, the cold rolling mill roll grinding Ministry on Heike class of Electrical and Mechanical Equipment Co., Ltd. to tackle technical problems, localization of spare parts to replace the 20-roll mill backing bearing outer ring, extending the service life of the bearing.



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