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[Case Study] Full Inspection of Steel Balls through Mass Production

We are manufacturing steel balls, but magnetization of the steel balls has occurred! Here is a case study of installing guide sensors on the line conveyor!

We manufacture approximately 40,000 iron balls with a diameter of 10φ every day, and among them, defective products (magnetized iron balls) are mixed in. Currently, only random sampling inspections are conducted, which allows defective products to escape. There was a request for "monitoring of magnetized iron balls on the automated line" and "to maintain a detection distance of 30mm between the detection object and the sensor due to the line structure." We installed the guide sensor "GS-116" manufactured by Makome Research Institute on the line conveyor, enabling the detection of the magnetic field of the iron balls and their expulsion (although this depends on the strength of the magnetic field). As a result of our improvements, we achieved a loss amount of zero for full inspections during the occurrence of defective products. *For more details, please refer to the PDF document or feel free to contact us.