Do the following to ensure reliable and accurate electronic belt scale
Author:yisainuo Time:2017-01-18 14:50:46
1, the fixed electronic belt conveyor truss, must have sufficient rigidity, if not rigid enough, should be reinforced.
2. In order to reduce the variation in belt tension, belt conveyors should have a fixed point blanking and blanking the mouth should be equipped with a height adjustment plate, so that the material evenly on the belt. Or in front of the metering section of the belt plus a certain amount for a given flow rate control device, so that a uniform flow belt conveyor is controlled within the range of 80% to 100% of full scale. This stable operating point, improve the accuracy of the belt scale.
3, in order to ensure the normal fit the belt and weighing idler to the weight of the material passed on accurately weighing rollers, said frame should be installed in the smallest position on the conveyor belt tension and change. Belt tensioning device should be located as far as possible to ensure stable tension should be set up to prevent the deviation device, belt deviation must not exceed 10 mm.
4, electronic belt scale aircraft and instrument installation should pay special attention to the selection of suitable environmental conditions, such as small vibrations around small relative humidity, can prevent wind and rain and sun, particularly as far away from the strong magnetic field and high heat, sanitation compared Okay. Scale aircraft from the drive roller and blanking point can not too close, to meet the requirements.
5, in order to ensure that the pressure belt idler symmetrical minimal variation should be weighed carefully adjusted segment roller, so that the roller parallel to each other, and on a plane.
6, the trough roller group, it must make a three idler belt uniform contact with, can not have a gap between the belt and the bottom surface of the roller.
7, belt conveyor inclination not too much to avoid the rolling material produced in the belt cause greater error, the general inclination must be less than 20 °. And belt inclined and horizontal sections, should try to choose to install scale frame in the horizontal section.