1. Foreword The quality control of automotive products mainly includes surface quality and dimensional accuracy. Surface quality shoe control, according to different functions of the workpiece, generally adopt different surface detection methods, external cover parts (such as four doors and two covers, roof, fender, etc.), generally first wipe the surface with gauze, then in the shadowless lamp Under the visual inspection, check whether the stampings have defects such as scratches, bulging, wrinkles, etc., and then use the method of hand touch and oilstone polishing to check with the naked eye.
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