Roll presented above 1 complete circles are brineling put on work roll after the new rolling, less than 12 volumes in the aluminum surface will be presented in the corresponding position of a straight roller, a roller indentation in the above, check the work roll above a pit. Replace the upper support roll for only a few days. Want to know what\'s going on?Should not be bearing problems, because the bearings have been used for almost 4 years, it should not be bearing problems, and now they are suspected of bending cylinder seal problems, oil seepage phenomenon.For a few days and roll crushed?Whether or not the work roll tilt and the positive and negative camber of the roll are controlled, the work roll is running abnormally, and the backup roller is rubbed.Why are there many such problems on Baidu?. Which factory do you use for your products?. There are so many faults.Substandard products how to leave the factory, if not for external reasons, that is, when the design and installation of bearings, specifically, you find manufacturers to come to repairOther related question