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Author: Smartweigh–Multihead Weighter
The multihead weigher belongs to a weighing system with interrupted feeder and continuous feeding. Since all the weightless operation is carried out in the silo, it can reasonably ensure the precision of the operation, and the structure type is also very good. It is easy to seal, so it has been greatly improved in the case of the manipulation of granular materials, and it is more suitable for use in ultra-fine raw materials such as quicklime powder, concrete and pulverized coal. What is the principle of the automatic control system of the multihead weigher: 1. The construction of the multihead weigher is mainly composed of the manipulation of electrical equipment and the two major components of the scale body. In the automatic control system of electrical equipment, the key point of weightless weighing should be the operating system software. After the automatic control system is connected to the switching power supply, it will first conduct a self-check on the hardware configuration, if everything is normal.
Then the multihead weigher will send out a relative data signal, and if it detects that there is a starting data signal, the system software will also follow the work situation, and automatically track the preset value, and correct the After the steady-flow vibrating feeder is properly adjusted, the total flow of raw materials is adjusted according to the frequency of the motor. 2. In the key work of the multihead weigher on the automatic control system, the automatic control system of the weightless weighing scale will continuously collect the sensor data signals of the load, and use the correlation with the calculation to measure the total flow of raw materials in an instant. The instantaneous total flow and the set total flow can be compared reasonably. If there is an error, the control amount of the error will be output. And adjust the speed ratio of the motor according to the soft starter of the multihead weigher, and immediately adjust the steady-flow vibrating feeder to ensure that the instantaneous total flow and the set total flow are consistent in terms of dynamics, and finally Achieving the necessary operating rules for the multihead weigher, the operator must pay more attention to this point.
The system software of the multihead weigher can carry out different settings for the total flow of raw materials in two different parts. The key purpose is to facilitate the actual operation, and the weightless weigher also has various maintenance systems. Only after the operation of the machine has a reasonable effect, and the principle of the multihead weigher is mastered, the equipment can be properly operated.
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