Roller In Vertical Mill Production Line

Roller In Vertical Mill Production Line

The cause of the failure of the roller in the vertical mill production line

Guide: The role of the belt conveyor for the vertical mill production line needless to say, the role of the drum on the belt conveyor is also very important. To share the reasons why the roller is prone to failure in the vertical mill production line. The cause of the drum failure is first and foremost the need for the roller belt conveyor to the vertical mill production line. The role of the drum on the belt conveyor is also very important. To share the reasons why the roller is prone to failure in the vertical mill production line.

The cause of the drum failure is first and foremost the drum installation, such as unclean parts. During installation, the shaft head, the locking sleeve and the inner ring surface of the bearing are not clean, so that the effective contact area of each contact surface is reduced, resulting in insufficient expansion force and uneven force, resulting in relative movement leading to the boring shaft. When installing, the inner and outer rings of the bearing, the surface of the locking sleeve, the bearing roller and the surface of the shaft head should be completely cleaned with special cleaning agent before installation.

Secondly, the cause of the drum failure is the drum fastening. The first is the cooperation of the inner ring of the bearing and the locking sleeve. The inner ring of the bearing and the locking sleeve are matched tightly. By tightening the locking nut, the inner diameter of the bearing is expanded by the locking sleeve, and the fastening of the bearing lock nut is unsuitable, which may cause various failures. If the locking is too tight, the locking sleeve, the locking piece may be broken, damaged, and the bearing may be damaged or the shaft may be broken. If the locking is too loose, the locking sleeve cannot effectively lock the bearing, and the shaft failure is prone to occur. In view of the above problems, the locking nut should be properly locked when tightening, and the clearance between the ball and the outer ring of the bearing should be between 0.04 and 0.07 mm. The field experience test is generally slight when the manual bearing is turned. until.

Then there is the loose side of the bolt. Looseness of the bearing end cap fixing bolt under the action of the system vibration force will cause the bearing to vibrate too much, the force will change, the impurities will enter the cavity, causing the bearing seat body fatigue and bearing wear to be intensified, and bearing damage and bearing seat damage will occur. . This requires regular tightening of the bearing end cap fixing bolts.

The above analysis of the causes of the roller failure in the vertical mill production line from the aspect of drum installation and drum fastening. Of course, there are other reasons, we will continue to share, I hope users pay more attention.

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