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Author: Smartweigh–Multihead Weighter
In the whole process of the multihead weigher application, in order to reasonably maintain the continuity of its feeding and the accuracy of its measurement and verification, the feeding bin of the multihead weigher must be reasonably equipped with a large hopper that can carry out continuous feeding and its operation. Fully automatic gate valve for feeding. In the multihead weigher, when the net weight in the weighing body is controlled by the instrument panel, if the lower limit value of the feeding material is reached, a data signal to open the feeding gate valve will be reasonably transmitted, which will make the gate valve open, and the raw material of the large hopper will be opened. It will be immediately placed into the feeding bin according to the conductive soft connection, and the net weight in the scale body will increase. When the net weight of the scale body on the multihead weigher reaches the set limit value on the fabric, a data signal to close the gate valve will be transmitted reasonably, so that the gate valve will be closed. During the whole process, the feeding motor will It is always in operation, in other words, the feeding is continuous.
In the whole process of multihead weigher operation, for these raw materials with poor circulation and relatively light and thin, in a relatively short period of time after the gate valve is closed, there will be a part of the net weight that has not been added to the scale body. The data signal transmitted by the sensor carries out PID manipulation. The sensor of the multihead weigher will experience a reduction in the net weight change for a period of time, which will immediately cause the data signal to lose frames and prohibit the operation. The fabric timing time is also set up in the control panel, and this time is to close the gate valve. Just started calculating. The time of the multihead weigher is completed when the fabric is replenished at the beginning. During this period of time, the feeding motor will keep the frequency before the feeding and will not change. In other words, during the whole process, the machine and equipment are in Fixed frequency operation.
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