The post-process of steel ball production, namely automatic cleaning of steel balls, automatic appearance inspection (automatic rejection of non-conforming products), automatic rust prevention, counting and packaging, are the key factors affecting the quality of steel balls. The appearance inspection of steel balls is an indispensable process in the processing of steel balls. The appearance inspection of steel balls mainly includes the detection of surface scratches, rust, surface spots and the like. Steel ball making process: stamping - light grinding - quenching - hard grinding - appearance - lapping - cleaning - anti-rust - finished packaging. Bulletproof Vest,Stab Proof Vest,Concealed Bulletproof Vest Xinxing Defense Manufacturing Co., Ltd. , http://www.cnbodyarmor.com