Main Features: A lokacin shirye-shiryen samfurin nau'ikan ƙarfe, samfurin pre-grinding, shi ne muhimmanci a gaban aiki kafin polishing, bayan farko da samfurin pre-grinding, zai iya haɓaka ingancin samfurin shirye-shiryen,AMY-1Pre-grinding na'ura, an tsara ta hanyar bincike mai yawa da kuma tattara ra'ayoyi da bukatun ma'aikata masu amfani da bangarori da yawa, don dacewa da bukatun ƙarin kayan pre-grinding, na'urar grinding disk diameter ya fi girma fiye da kayayyakin iri ɗaya na gida, saurin juyawa na grinding disk ya bambanta da kayayyakin gida, shi ne kyakkyawan kayan aikin samfurin pre-grinding.