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Electronic belt scale fault check

2019-12-19 15:25:06
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1.electronic belt scale zero shift fault belt scale zero change, generally related to the belt conveyor system, the main reasons and troubleshooting methods:


(1) the electronic belt scale should weigh the accumulated dust on the bridge and clean the equipment regularly


(2) the bulk material is stuck in the belt scale weighing bridge, and the sundries are removed timely. The belt head of the belt conveyor shall be equipped with a cleaning device


(3) conveyor belt adhesive


(4) the conveyor belt is not uniform, and the adhesive place of the belt is metal clip. Do not use belt buckle method when belt connection, should use adhesive method or circular belt


(5) the adhesive performance of the belt and the idler has changed. Check the horizontal and vertical properties of the scale frame


(6) belt tension changes, should be adjusted. Adjust the belt tensioning device according to the situation to ensure the belt tension within the normal range


(7) the electronic measuring element has a fault, such as heavy overload of the weighing sensor, drift of zero point, drift of zero point of instrument amplifier. Check the instrument and sensor with standard signal source, and replace the damaged parts.


2. Interval drift fault of electronic belt scale:

Changes in the interval calibration of electronic belt scales are generally related to changes in the measuring parts of the system and belt tension. The main reasons are as follows:


(1) the belt tension of the conveyor has changed, which should be adjusted by the same method


(2) roller sliding of velocity sensor; Increase the Angle between the measuring drum and the return belt to prevent the drum from slipping and causing the loss of rotation


(3) the vertical linearity of the idler in the electronic belt weighing area changes; Adjust and replace the roll in time


(4) the weighing sensor (ambrose) is heavily overloaded and its linearity becomes worse; Replace sensor


(5) failure of electronic measuring element; Use special instrument to detect the damaged parts, and replace in time, when necessary to replace the belt scale instrument.


Electronic belt scale

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