1. Ukubumba: Yindlela yokucubungula esebenzisa oomatshini bokubumba ukufaka uxinzelelo kwiindawo ezingenanto zesinyithi ukuvelisa ukuguquka kweplastiki ukuze kufunyanwe ukubumba okuneempawu ezithile zoomatshini, iimilo kunye nobukhulu obuthile.
2. Enye yezona zinto zimbini ziphambili zokubumba. Ngokubumba, ukukhululeka kwemingxuma yesinyithi kunye nokubumba kunokususwa, kwaye iimpawu zoomatshini zokubumba ngokubanzi zingcono kunezo zokubumba ezenziwe ngezinto ezifanayo. Kwiindawo ezibalulekileyo zoomatshini ezinomthwalo omkhulu kunye neemeko zokusebenza ezinzima, ukubumba kusetyenziswa kakhulu ngaphandle kweemilo ezilula ezinokugoqwa, iiprofayili okanye iindawo ezidibeneyo.
3. Ngokwendlela yokwenza, i-forging ingahlulwahlulwa ibe: ①Vula i-forging (i-forging ekhululekileyo). Sebenzisa i-impact okanye uxinzelelo ukuguquguqula isinyithi phakathi kwee-anvils eziphezulu nezisezantsi (ii-anvils) ukuze ufumane ii-forgings ezifunekayo. Kukho ikakhulu i-manual forging kunye ne-mechanical forging. ②I-Closed mode forging. I-metal blank icinezelwe kwaye iguquguquke kwi-forging die enemilo ethile ukuze kufunyanwe ii-forgings, ezinokwahlulwa zibe yi-die forging, i-cold-sensitive, i-rotary forging, kunye ne-extrusion. Ngokweqondo lobushushu be-deformation, i-forging ingahlulwa ibe yi-hot forging (ubushushu bokucubungula buphezulu kunobushushu be-recrystallization be-blank metal), i-warm forging (ngaphantsi kobushushu be-recrystallization) kunye ne-cold forging (ubushushu obuqhelekileyo).
4. Izinto zokubumba ikakhulu ziintsimbi yekhabhoni kunye nentsimbi ye-alloy eneziqulatho ezahlukeneyo, zilandelwa yi-aluminium, i-magnesium, i-titanium, i-copper, njl.njl. kunye nee-alloys zazo. Imeko yokuqala yezinto ezisetyenzisiweyo ibandakanya i-bar stock, i-cast chain, i-metal powder kunye ne-liquid metal. Umlinganiselo wendawo yesinyithi ngaphambi kokuguqulwa ukuya kwindawo yesinyithi emva kokuguqulwa ubizwa ngokuba yi-forging ratio. Ukukhethwa ngokuchanekileyo kwee-forging ratios kunento eninzi yokwenza nokuphucula umgangatho wemveliso kunye nokunciphisa iindleko.

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