These common problems of weighing machines can be solved by yourself
With the continuous development of social science and technology, the weighing machine appeared in the birth. It can eliminate unqualified products and improve the qualified rate of products. Guangdong kenweigh specializes in the production of weighing machines and various weighing equipment for checkweighers. Today, Guangdong kenweigh will take you to look at these common problems of weighing machines. You can solve these problems by yourself. It is actually a normal phenomenon that the weight displayed by the weighing machine jumps up and down. The working principle of the weighing machine is that the weight sensor transmits the sensed weight to the AD converter as an analog signal when the product passes through the weight detection station, and then the AD The converter is sent to the system, and the system is sent to the display for display. Because precision weighing machines use high-precision weight sensors, the weight sensors are very sensitive to everything outside, including wind, airflow, etc., so under normal circumstances, the weight of the weighing machine display fluctuates 0.1~0.2g. normal phenomenon. However, if the weight of the monitor jumps up and down to 1g or higher, it is an abnormal phenomenon and needs to be shut down for inspection. When the weighing machine's weight fluctuation range is too large, the shutdown inspection generally requires inspection items: 1. Check whether there is dust on the sensor; 2. Check whether there is any object against the tray; the weighing machine is a high-speed and high-precision online weighing product. A large number of products need to be delivered uninterrupted every day, and it needs to work for multiple hours without stopping. With high-intensity operation, it is inevitable that some small failures will occur. So how to solve these glitches? 1. The zero point of the weighing machine is too high. Solution: It is necessary to regularly maintain the automatic checkweigher machine system and clean up and adjust the zero operation; 2. The weighing machine has a load without a cumulative value. Solution: Clean up the dust in the material box on the conveyor belt scale body, and keep the surface of the automatic checkweigher belt clean; 3. The instantaneous flow rate of the weighing machine fluctuates greatly. Solution: align the conveyor belt with the center line of the pallet; 4. The weighing machine has a large measurement error. Solution: Check whether the solid structure of the assembly line weighing equipment is installed firmly, correct the position of the conveyor belt, measure whether the distance of the weighing bridge is appropriate, whether the instantaneous flow is normal, etc.; 5. The output value of the weighing machine fluctuates frequently. Solution: You need to align the belt with the center line of the pallet, and then re-calibrate; the above content is how to solve the problem that the automatic checkweigher machine cannot weigh, for your reference. 6. The repeatability of the weighing machine during calibration is not good. Solution: If the speed signal of the weighing machine is abnormal, it means that the weighing signal is unstable. Check whether the load cell terminal is in good contact.
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