Common Failures Of Grinding Mill Suspension Roller Parts

Date:2018-11-29 16:52:25
Common Failures Of Grinding Mill Suspension Roller Parts

Common faults of the grinding mill suspension roller components and their solutions

Summary of contents: This article will introduce some common problems and solutions in the operation of the suspension roller components of grinding mills. The problem often occurs with the suspension roller components of grinding mills: the rollers do not move, the current is too high, For this kind of problem, the following solutions can be used.

Like other milling equipment, after the grinding mill has been running for a long time, there will be some problems. This requires maintenance and overhaul of the grinding mill. This paper will introduce the suspension roller components of the grinding mill. Some common problems in the process and their solutions.

The problem often occurs with the suspension roller components of grinding mills that the rollers do not move and the current is too high. For this problem, the following solutions can be used:

1. Improve the suspension roller parts

The improvement of the suspension roller components is mainly reflected in the redesign of the swing sleeve and the hub (as shown in the following figure). The contact between the swing sleeve and the hub is lengthened in the axial direction forming the air outlet, and the gap of the air outlet is reduced, and the hub is close to the air outlet. Shaft winding The sealing ring made of rubber sheet is used for the week; secondly, the protective rubber should be added to the suspension shaft of the grinding mill to prevent the air duct from being worn too fast; again, the copper bearing oil groove of the sliding bearing of the mill should be redesigned. From the original cross type to the spiral type oil groove; in order to avoid the bearing of the roller suspension shaft not being timely lubricated, the lubrication system of the grinding mill is revised, and the frequency of manually refueling the three suspension shafts is increased.

2, shorten the roller lubrication cycle

You can try to shorten the lubrication cycle of the grinding mill roller. For example, the cycle of manual refueling from the refueling hole is once a week, and it is changed to refuel every two days.

3. Dealing with the wear of the roller in time

Depending on the degree to which the roller and the grinding ring are worn to a concave surface, the working surface of the roller and the grinding ring should be trimmed with a carbon arc gouging after a few months of operation to ensure full contact.

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