食品加工金属探测器老报警怎么办?现场排查经验

食品线金属探测器老报警,现场压力很大,因为不能随便放,也不能让整条线一直停。我以前在包装段碰到过湿度高的产品,机器一到某个批次就连续报警,大家第一反应是怀疑有金属异物,但复检又找不到。 这种情况我会先确认三件事:测试块有没有按铁、非铁、不锈钢都跑过,产品本身的盐分和水分是不是变化,输送带有没有抖动或产品经过时位置偏。包装材料也要看,有些铝膜边角、封口褶皱会让信号不稳定。 金探不能靠"刚才也没事"来判断。报警时间、批次、产品温度、复检结果都要记清楚。真有异物时记录能追溯,设备或产品效应造成的误报,也能给品控和维修一个方向。

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