Common Faults And Treatment Methods of Belt Scale

Fault one. Belt deviation and solutions

Belt deviation is the fault phenomenon that the belt center line deviates from the center line of the conveyor frame in the no-load operation or weighing process, and it is also the phenomenon that the belt scale can not be completely avoided.Mainly caused by the following reasons:

1. The installation center line is not straight.

2, Belt itself bending is not straight or the joint (belt joint) is not straight.The added value of the joint to the added value of the weight generated by the weighing sensor and the influence of gravity is large, so the vulcanized joint is generally adopted, and the mechanical joint is not allowed.At the same time to ensure that the conveyor belt on both sides of the ring length of the maximum deviation is not more than 10mm, the width of the deviation is not more than 0.5% of the standard belt scale.

3. The center line of the drum is not at a right Angle to the center line of the belt machine, so it must be reinstalled and ensure that the axial center of the head and tail drum is consistent.

4. When installing, the axis of the idler set is not perpendicular to the center line of the belt, causing deviation.When the tape goes off the side, the side of the roller to the forward direction of the tape to move a little.

5. The roller is not level, causing the belt to run off track.If the installation is out of tolerance, it should be leveled;If the outer diameter of the cylinder is not consistent, the cylinder should be reprocessed.

6. The surface of the roller of the belt scale is bonded to the material, so that the roller becomes a conical surface, which will make the belt deviate to the side.This is caused by spilling material. Care should be taken to prevent this phenomenon and clean it regularly.

7. The tape will deviate once it is loaded.It is generally due to the material feeding point is not in the middle of the tape, should be adjusted accordingly.

8. The belt deviates when it is empty, and it is corrected after adding materials.This phenomenon is generally caused by the initial tension is too large, should be adjusted appropriately.

Fault two, the processing method of belt scale belt spreading material

1.Blocking plates can be added on both sides of the belt.

2.Wall ring belt, add vertical edge to normal ring belt.

3.Skirt edge type ring belt.

Fault three, belt scale belt slip and its treatment methods

The belt scale conveyor belt is operated by the friction between it and the drum.If there is not enough friction, it may slip or not turn.The belt slip caused speed distortion, and the material on the belt was weighed repeatedly.In order to prevent the belt from slipping, the friction between the belt and the roller should be increased.Between the size of the friction force and friction coefficient, interface and the positive pressure between the two is proportional to the, increase the friction from the several aspects: increase the positive pressure between the roller and conveyor force, need to use tensioning device, it can limit the conveyor belt between different bearing heavy, make its have sensitive tension, ensure no skid.Generally in the power is not large, the environment of small humidity can choose smooth roller.In the case of wet environment, large power and more skid, the rubber surface roller should be used to increase the friction.

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