Hardened R, S, F, K jerin masu ragewa na musamman don YE2/YE3 jerin jerin asynchronous motor guda uku shine kamfani na don biyan buƙatun ƙira na mai rage goyan bayan motar kofa.A cikin fiange karshen tsarin da hali zuwa rufe da aka yi inganta-ments da tsari a cikin wannan model da kuma bambancin fimnge da hula collocation, to mæt daban-daban shigarwa requraments na masu girma dabam na.Solaction na I-dimbin yawa flange karshen dan sanda, wani xle na quenching da tempering jiyya, duk lokaci guda, ƙara benring ingancin, iya inganta hali iya aiki, da aminci factor yana ƙaruwa da kuma rayuwar sabis na mota.