Ensure the accuracy of automatic checkweigher by improving production technology

The working condition of the dynamic checkweigher is high-speed weighing, which puts forward higher stability requirements for the weighing equipment involved in weighing, so the weighing mechanism of weighing components minimizes operation. Time noise and vibration require static and dynamic balance of the active roller and driven roller of the conveyor belt before assembly. It is necessary to repeat the experiment and modify the weight of the drum until the deviation is reduced to the design requirements. This is also a key factor in ensuring weighing accuracy. Load cell is the core component of dynamic checkweigher, and strain gauge sensor is the most common sensor in industrial application. This is a sensor that uses a strain gauge to convert strain into resistance change. It is widely used in various fields of weighing. However, with the development of science and technology, new sensors with higher technical content such as electromagnetic compensation sensors have appeared in the sensors used in dynamic checkweighers. Working principle of electromagnetic compensation sensor: when the weight is placed on the weighing pan, the balance state of the system will be destroyed. At this time, the displacement sensor sends the position change signal to the current regulator, which will adjust the output current in time to increase the current flowing through the wire until the electromagnetic force generated by the weight counteracts the weight. Electromagnetic compensation sensors are characterized by faster response time and higher accuracy.