????????? 40Cr ??? 42CrMo ??????????????????, ??????????? forged ????? undergoes normalizing, ??????????, ??? hobbing, carbonitriding, insulation ??????????? tempering, ??? grinding ????????????????, ??????????????????????? rust ????????? quenching ??? ???? HRC58- HRC62, ??????, ??????????????????????????????????????????????????????.

??????????????????????????????????????????????????????????: ????????????, ??????????? Honeycomb, ????????????????????, ?????????????????????????, ??????????????????, ??????????????????.

???????????????? grinding concentric ???????????????????????????????????? roller ?????????????????????????????? bearings ?????????, ????????????????????????? coaxiality ????????????????? roller ??????????.