1. Ukwakha: Kuyindlela yokucubungula esebenzisa imishini yokwakha ukufaka ingcindezi ezindaweni ezingenalutho zensimbi ukuze kukhiqizwe ukuguqulwa kwepulasitiki ukuze kutholakale ukwakheka okunezakhiwo ezithile zemishini, izimo ezithile nosayizi.
2. Enye yezingxenye ezimbili ezinkulu zokufaka. Ngokufaka, ukukhululeka kwemigodi yensimbi kanye neyokushisela kungasuswa, futhi izakhiwo zemishini zokufaka ngokuvamile zingcono kunezokufaka izinto ezifanayo. Ezingxenyeni ezibalulekile zemishini enemithwalo ephezulu kanye nezimo zokusebenza ezinzima, ukufaka izinto ezisetshenziswa kakhulu ngaphandle kwezimo ezilula ezingagoqwa, amaphrofayili noma izingxenye ezihlanganisiwe.
3. Ngokwendlela yokwakha, ukubumba kungahlukaniswa kube: ①Ukuvula i-forging (ukwakha okukhululekile). Sebenzisa umthelela noma ingcindezi ukuze uguqule insimbi phakathi kwama-anvil aphezulu nangaphansi (ama-anvil) ukuze uthole ukubumba okudingekayo. Kukhona ukubumba okwenziwa ngesandla kanye nokubumba okwenziwa ngomshini. ②Ukuvala imodi yokubopha. I-metal blank iyacindezelwa futhi iguqulwe ibe yi-forging die enesimo esithile ukuze kutholakale ukubumba, okungahlukaniswa kube yi-die forging, i-cold-sensitive, i-rotary forging, kanye ne-extrusion. Ngokwezinga lokushisa lokuguqulwa, ukubumba kungahlukaniswa kube yi-hot forging (izinga lokushisa lokucubungula liphakeme kunezinga lokushisa lokuphinda kusetshenziswe lensimbi engenalutho), ukubumba okufudumele (ngaphansi kwezinga lokushisa lokuphinda kusetshenziswe) kanye nokubumba okubandayo (izinga lokushisa elivamile).
4. Izinto zokwakha ikakhulukazi insimbi yekhabhoni kanye nensimbi ye-alloy enezinhlanganisela ezahlukahlukene, kulandelwe i-aluminium, i-magnesium, i-titanium, ithusi, njll. kanye nama-alloy azo. Isimo sokuqala sezinto zokwakha sihlanganisa i-bar stock, uchungechunge lwe-cast, i-metal powder kanye nensimbi ewuketshezi. Isilinganiso sendawo ye-cross-section yensimbi ngaphambi kokuguqulwa kwendawo ye-die cross-section ngemuva kokuguqulwa sibizwa ngokuthi i-forging ratio. Ukukhethwa okufanele kwe-forging ratios kuhlobene kakhulu nokuthuthukisa ikhwalithi yomkhiqizo kanye nokunciphisa izindleko.

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