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    Electronic belt scale manufacturer - Preparation before installation of electronic belt scales

    Time:2023-02-15 15:57:26      Click:148

    Regardless of the purpose of the electronic belt scale, it has high stability and accuracy. However, if the following rules can be followed for assembly during installation, the characteristics of the belt scale can be fully utilized. It is not necessarily limited to following all standards in the installation of each belt scale, but the more attention is paid to its working characteristics, the more critical these conditions become. Therefore, electronic belt scale manufacturers emphasize the need to handle some standard influences well, which can greatly improve the application accuracy of belt scales.


    1. Environmental hazards


    (1) Due to the significant impact of wind speed, rainy days, and exposure to sunlight on weighing, it is necessary to maintain belt scales and conveyors to minimize outdoor assembly and avoid hazards.


    (2) There are vibration sources, Corrosive substance, magnetic fields and large mechanical equipment nearby, which will also reduce the life or accuracy of the scale.


    2. The measuring section requires a certain degree of strength, with a relative deflection of no more than 0.4cm between the rollers. The measuring section of the conveyor should not be shaken.


    If conditions permit, reinforcement can be carried out in the conveyor to reduce vibration and improve measurement accuracy.


    Electronic belt scale


    3. Scale frame installation method


    (1) Tension: Install the scale frame at the position where the tension of the conveyor is reduced. Generally, install the scale near the end of the conveyor, but ensure that the unloading valve has an impact on the scale frame during the unloading process. The ICS-20 series model shall have no less than three sets of rollers (or more than five meters), and the ICS-17 series model shall have no less than five sets of rollers (or more than nine meters).


    (2) The assembly conveyor with concave and convex curved sections should have a minimum distance of 12m between the concave and convex points when assembling the weighing frame, and ensure sufficient contact between the belt and the weighing roller. It is prohibited to cause belt vibration when the belt is started.


    (3) Uniform belt load: Although the flow rate of the belt scale is applicable between 20% and 100%, in fact, it is hoped that the load will be as uniform as possible. To reduce the fluctuation of the feeding amount, a guide adjustment plate can be assembled at the feeding port to ensure uniform feeding.


    (4) Belt deviation and deviation: The manufacturer of electronic belt scales suggests that the belt should try to avoid deviation and deviation as much as possible to avoid causing measurement accuracy.


    (5) Belt joint and tensioning device: The belt joint should be connected using adhesive bonding method, and metal clips or other hard connection methods should be used as much as possible. For longer belt conveyors, there should be a constant tension or tensioning device.


    4. Weighing roller regulations


    (1) Requirements for supporting rollers: The radial runout, support height, and angle of view of the groove angle of the supporting rollers must be within the allowable tolerance range, and the selected supporting rollers for the modified system must have the same specifications and groove angle as the original supporting rollers for the belt conveyor.


    (2) Guiding roller (anti deviation roller): The roller used for guiding the conveyor belt core can be assembled on both sides of the weighing roller


    The area of each four sets of rollers.


    (3) Roller calibration: The weighing rollers of the belt scale, as well as the three sets of rollers before and after each, should be standardized for accuracy specifications. At the same time, shims should be used to adjust according to requirements, so that the rollers on the scale body are not affected by belt tension changes.


    (4) The weighing area roller refers to the weighing roller and four sets of rollers on both sides. Each roller in the weighing area should be 3-6mm higher than the other rollers on the conveyor frame.


    (5) The centerline of the weighing roller is consistent with the centerline of the conveyor, and the rollers within the weighing area are capable and distanced, ensuring that the measurement accuracy of the spacing between each roller and the standard roller is within ± 0.8mm, making it a straight line.


    5. Electrical part


    (1) Instrument current: 220VAC (+ 10% ~ 15%): the power line is independently led from the Electrical room, and the ground resistance of the special ground wire is not more than 5 Ω, so it is unnecessary to mix it with the power ground wire.


    (2) Instrument installation should pay attention to shielding, high and low separation, to prevent interference with signals.


    (3) The power cord should be run independently inside an iron tube and does not need to be mixed with the power cord.


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