• ibhanela01

IZINDABA

Inqubo yokuncibilika kwesando sepuleti

I ezahlukene impahlas wezinsimbi zokushayancikeemigqeni yokushaywa uqobo,okuyinto angakwaziyenziwe ngensimbi ye-manganese, insimbi yesakhiwo se-martensitic (insimbi ye-martensitic), insimbi ye-chrome, noma izinhlanganisela ze-metal matrix (MMC, njenge-ceramic).Ama-MMC akhiwe ngezinhlobo ezahlukene zensimbi nezinhlobo ezikhethekile ze-ceramic.

Njengoba ukumelana nokugqokwa (ukuqina) kwezinto zensimbi kukhula, ukuqina (ukumelana nomthelela) ngokuvamile kuzokwehla.

 

I gqoka-ukumelanace kwemanganeseinsimbiizaemsebenziniukuqina. I phezulu ngaphansi phoqa yakha yesakhiwo ukuqina ngaphansi umthelela umthwalofuthii-extrusion umthwalo. I eyokuqala ubulukhunikwemanganeseinsimbimayelanaI-200 HV (20 HRC,ngokushoku-Rockwellubulukhuni test), and yayoumthelelaamandla yimayelana250 J/cm2.Ngemvaumsebenziukuqina, ieyokuqala ubulukhuni ukwandas kweukusebenza ubulukhuni okuyintokuyintomayelana500 HV (50 HERC), ngenkathiiNgokujulile isikhungo ingxenyenamanjeizinsalelaikuhle ubulukhunikweinsimbi impahla kusukelaakuyonalukhunied.Iukujiya and kweubulukhunikwenomak-lukhuniungqimba ncikes kweisicelokanye neuhlobokwemanganese insimbi.Iukujiyakwekanzimanedungqimbakuyintomayelana10 mm.

Manganeseinsimbi,okuyinto unayoaeside umlandoukusetshenziswa, manjeikakhulukazi esetshenzisiweokweumhlathi ipuletis, ezihambayo ikhonis kanyeigobolondos kwei-crushers.Okweumthelela i-crusher, kuphakanyiswa kuphela ukusebenzisa imigoqo yensimbi ye-manganesenini ukuchoboza impahlas nokugqokwa okuphansi -edlayokwe aenkulu inani,enjaloas i-limestone.

 

The ikhabhoni in i-chromeinsimbingamakhemikhali iboshiwekweifomukwei-chromium i-carbide.I-wear-resistanceyensimbi ye-chrome ngokuyinhloko isekelwe kuisicikwe theama-carbides aqinile.The offsetkweisikhundlafuthi offsetphakathi ungqimbas is kuvinjiwe ngesikhathi kushisa ukucubungula, kanjalo ukuthola phezulu amandlafuthingaphansi ubulukhuni.Kuyavimbelaiimpahla kusukaiba brittle, i-blow barkufanelekubeinquboed nge ukushisa ukwelashwa,okuyinto kufanelekubekwenziwe ngokushokweeqinile ukushisa izinga lokushisafuthiukwehlisaisikhathi.

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Isikhathi sokuthumela: Jul-28-2021