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How long does the running-in period of the new pipe chain conveyor take?

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How long does the running-in period of the new pipe chain conveyor take?

作者: Release Date: 2019-12-12 Author: Click:

The new pipe chain conveyor has a running-in period at the beginning of operation. The running-in period is one month, which is mainly divided into the following stages:


The first week requires daily inspection of the chain inside the tube. If the chain is found to be loose, it needs to be immediately tensioned;


The second week requires daily inspection of the chain in the tube. If the chain is found to be loose, it should be tensioned. If a worn push plate or chain pin is found, the cause of the failure must be found first.


In the third and fourth weeks, check twice a week, pay attention to the wear and tear, if there is serious damage, find out the cause before replacing;


After one month, check it once a week to ensure that the chain is tight and the machine runs smoothly during operation.


The strength check of the design of the pipe chain conveyor belt is generally based on the maximum static tension during operation, and then taking into account the influence of other factors to set the safety factor.


The main factors affecting the strength of the pipe chain conveyor belt are as follows:


1. Static tension is the guarantee of the stable running tension of the conveying mesh belt. When the inside of the mesh belt is the same tension, the tensile stress caused by the static tension is evenly distributed on the cross section of the mesh belt. As the mesh belt runs, it will produce alternating Tensile stress is the basis for selecting the strength of the belt.

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2. Dynamic tension is the braking of the mesh belt. The braking process is an extremely unstable process. The speed of each particle, the speed of the pipe chain conveyor, the tension and the disturbance have dynamic characteristics and are functions of time.


3. Additional stress The additional stress of the mesh belt includes the bending stress around the rollers, the additional stress generated by the bending stress in the vertical plane and the horizontal bending segment through the additional stress of the transition segment. In engineering design, as long as the diameter of the roller, the distance and shape of the transition rollers, and the radius of the curved section of the conveyor belt are accurately selected, these additional stresses can be greatly reduced. When changing, it will also cause the redistribution of mesh belt stress.


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