Forgingsphambi kokulungiswa kokulungiswa, kufuneka uhambe ngenkqubo, kufuneka uvavanye umgangatho wezinto eziluhlaza, ukuqinisekisa ukuba izinto eziluhlaza azikho iingxaki zomgangatho phambi kwenkqubo elandelayo, ngoku siza kujonga ukuba zeziphi iimfuno ezinazo.
一. Iimfuno ngokubanzi zeukwenzaiimpahla ezingekasilwa.
1. Ukwakhiwa kweekhemikhali kuhlangabezana neemfuno.
2. Ukunyibilikisa, ukubunjwa, ukuqengqeleka,ukwenza, ukucoca kunye nezinye iinkqubo zokuvelisa zihlangabezana neemfuno.
3. Umgangatho womphezulu uhlangabezana neemfuno, akukho zikrwelo, izikali, i-folds, ii-cracks kunye nezinye iziphene (okanye i-degree of defects ingaphakathi koluhlu oluvunyelweyo), iziphene kufuneka zisuswe, ngamanye amaxesha kufuneka zihlanjululwe ngokupheleleyo.
4. Umbuso wombutho uhlangabezana neemfuno, akukho ntlangano engalinganiyo, intlangano yokushisa, akukho slag, ikhululekile, i-pores, amabala amhlophe kunye nezinye iziphene zangaphakathi.
二. Ukuhlolwa kweukwenzaimathiriyeli ekrwada Phambi kokuba ushiye umzi-mveliso, umenzi kufuneka ahlole ngokubanziukwenzaimathiriyeli ekrwada kwaye uzibonelele ngeemveliso ezifanelekileyo, kodwa umzi-mveliso wobumbi njengomsebenzisi kufuneka wenze uhlolo oluyimfuneko. Iifogi zinokujongwa ngovavanyo ngokubanzi okanye ngokujonga indawo. Izinto zokuhlola zinokumiselwa ngokohlobo lwemathiriyeli ekrwada kunye neemfuno zokubunjwa.

1. Isampuli yokwakheka kweekhemikhali. Sebenzisa ukuchongwa kwentlantsi, ukungeniswa kwamagnetic kunye nohlalutyo lwembonakalo yokukhangela ukuba izinto ziyaxutywa.
2. Ukuhlolwa kwembonakalo ukufumanisa ukuba umphezulu uneziphene kunye neqondo leziphene, nokuba kukho i-decarbonization phenomenon.
3. Khangela ukuba izinto eziphathekayo ziyahlangabezana neemfuno zobungakanani kunye nokunyamezela imilo.
4. Khangela i-shrinkage cavity kunye nebala elimhlophe ngaphakathi kwempahla ngovavanyo lokuphuka; I-thermal brittleness yezinto eziphathekayo ihlolwe ngovavanyo lwe-thermal fracture.
5. Uvavanyo lokubandakanywa kwe-macro kunye ne-micro; Ukwahlula isulfure kwintsimbi kwavavanywa ngovavanyo lwe-sulfure imprint kwaye indawo yayo yokwahlula yamiselwa.
6. Jonga ubungakanani beenkozo ngemakroskopu; Jonga isakhiwo se-metallographic.
7. Ukuhlolwa okungonakalisi: ukuhlolwa kwe-ultrasonic, ukuhlolwa kwamagnetic okanye ukuhlolwa kwe-eddy yangoku.
8. Qwalasela ukusebenza kakubi kwezinto ngovavanyo oluphazamisayo; Vavanya iimpawu zoomatshini ngovavanyo lokuqina, uvavanyo lobulukhuni, uvavanyo lwempembelelo, njl.
9. Uvavanyo lokuqina: xa usebenzisa izinto ezikrwada zenombolo entsha yesithando somlilo, qale wenze ibhetshi encinci ye-forgings kwaye uqhube unyango lobushushu, kwaye emva koko ujonge ukumisela inkqubo yonyango lobushushu lezinto zenombolo yesithando somlilo. Njengoko kukhankanyiwe ngasentla, kuphela ngokuqinisekisa umgangatho wezinto ekrwada singakwazi ukuphumeza ngokukhuselekileyo inkqubo yokubumba ilandelayo kunye nemveliso, ukukhethwa kwazo zonke izinto ekrwada kubaluleke kakhulu.