esikoleni

08AL——Insimbi enekhabhoni ephansi, enokuqukethwe kwekhabhoni okungokomfanekiso okungu-0.08%, futhi okuqukethwe kwekhabhoni kwangempela kuphakathi kuka-0.05 no-0.11%, okufana nebanga elingu-SAE1008. Uma isetshenziselwa ukwenza ngaphandle kokwelashwa kokushisa, kukhona futhi izimo lapho kusetshenziswa i-SPCC...

1.I-Stainless Steel Uhlolojikelele Insimbi engagqwali iyiqembu lama-alloys ensimbi aqukethe okungenani u-11% we-chromium, into evimbela insimbi ekugqwaleni futhi inikeza ukumelana nokushisa ensimbi. Izinhlobo ezahlukene zensimbi engagqwali zihlanganisa imoto...

I-cast iron ingxubevange ye-iron-carbon enokuqukethwe kwekhabhoni okukhulu kuno-2.11% (ngokuvamile u-2.5 kuya ku-4%). Kuyingxube yezingxenye eziningi enensimbi, ikhabhoni, ne-silicon njengezici zayo eziyinhloko futhi iqukethe ukungcola okwengeziwe okufana ne-manganese, isulfure,...

Ukunamathela kwesihlabathi ekubunjweni akuthinti nje kuphela izinga lokubukeka lokulingisa, kodwa kungase kubangele nokuba kuchithwe. Ngakho-ke, ukunakwa okwanele kufanele kukhokhwe ekunamatheleni kwesihlabathi kwama-castings ukuthuthukisa isivuno somkhiqizo. Ngakho-ke ungenza kanjani ...

Ukucutshungulwa kokusakaza kuyinqubo lapho uketshezi lwensimbi oluncibilikisiwe oluhlangabezana nezimfuneko luthululelwa esikhunjini esithile sokubunjwa, futhi umumo oyifunayo, usayizi, nokusebenza kutholakala ngemva kokupholisa nokuqiniswa. Isetshenziswa kabanzi...

一、 Imininingwane emihlanu ebalulekile enganakwa kalula ekulahleni kwegwebu elahlekile 1. Ukuphakama kwekhanda lokucindezela; 1) Ukuze kuqinisekiswe ingxenye ephakeme kakhulu nekude kakhulu yokulingisa, futhi uthole ukulingwa okunamakhonco acacile nesakhiwo esiphelele, i-h...

Isingeniso I-Casting ubuchwepheshe bokuqala bensimbi bokucutshungulwa kokushisa okwenziwa ngabantu, nomlando weminyaka engaba ngu-6,000. I-China ingene endumisweni yokulingisa ithusi phakathi kuka-1700 BC no-1000 BC, kanye nobuciko bayo ...

Phakathi nenqubo yokuqiniswa kokusakazwa, ngokuvamile kunezindawo ezintathu esigabeni sayo esiphambanayo, okungukuthi indawo eqinile, indawo yokuqinisa, kanye nendawo ewuketshezi. Indawo yokuqinisa indawo lapho “iqinile futhi iwuketshezi ...

Okokuqala, incazelo yendlela yokwenza ngesandla Ukumodela ngemanuwali kuyinqubo yokumodela eqedwa ngokuphelele ngesandla noma ngamathuluzi ezandla. Ukusebenza kokumodela okwenziwa ngesandla kuyavumelana nezimo, ukuguquguquka okubanzi, imishini yenqubo elula, izindleko eziphansi, kodwa i-castin yayo...