Many boxes have the function of automatic alarm, and it is advanced. Then why does the box machine need to have such function? There will be some trouble in the packing machine. It will not only cause certain damage to the box machine itself, but also cause a lot of problems on the packaged product, and even more serious is the possibility of causing the birth. By timely alarm, the operator can understand the abnormal, maintain the equipment, reduce the damage of the box machine and prolong the use of the hand. Secondly, it can reduce the workload of the inspection on the packaging products after the failure and guarantee the quality of the products. In order to reduce or reduce the loss, the purchasers of the aluminum sheet plant believe that it is necessary to know the alarm function of the equipment when selecting and buying the box machine. At the same time, it is necessary to pay attention to the maintenance and inspection of the alarm function in use, so as to ensure that it can play a real role. In this way, the normal operation of the packing machine can be better guaranteed.