| Khoom | Kev ntaus nrig | Kev ua yeeb yam |
| Txheej Txheem | Kev forging yog ib qho txheej txheem uas siv lub tshuab forging los ua cov hlau dawb paug tsim cov yas deformation, txhawm rau kom tau txais qee yam khoom siv kho tshuab, cov duab thiab qhov loj me. Los ntawm kev forging tuaj yeem tshem tawm cov hlau ascast xoob xoob hauv cov txheej txheem smelting, ua kom zoo dua qhov microstructure, khaws cov hlau ntws tag nrho, yog li cov khoom siv kho tshuab ntawm forging feem ntau zoo dua li casting ntawm tib cov khoom. Feem ntau ntawm cov khoom tseem ceeb ntawm lub tshuab uas xav tau kev thauj khoom ntau thiab kev ua haujlwm hnyav siv cov khoom forging. | Casting yog ib qho txheej txheem uas muab cov hlau ua kua rau hauv qhov casting, tom qab txias thiab khov kom tau txais cov khoom xav tau. |
| Khoom siv | Cov khoom siv forging dav siv cov hlau puag ncig, hlau plaub fab. muaj cov hlau carbon, hlau alloy, hlau stainless nrog rau qee cov hlau tsis yog ferrous uas feem ntau siv rau hauv kev lag luam hauv cheeb tsam thiab kev ua haujlwm precision. | Feem ntau casting siv grey cast iron, dectile cast iron, malleable cast iron, thiab "cast steel." Feem ntau casting non-ferrous hlau: tooj dag, tin bronze, wuxi bronze, aluminium alloy thiab lwm yam. | Nyob rau hauv qhov xwm txheej sib npaug, forging hlau muaj kev ua tau zoo dua hauv cov khoom siv kho tshuab, thaum casting zoo dua hauv molding. |
| Qhov tsos | Cov tshuaj tiv thaiv oxidation ntawm cov hlau forging thaum lub sijhawm kub siab yuav ua rau muaj cov noob kylin me me ntawm qhov chaw ntawm cov hniav forged. Tsis tas li ntawd, thaum forging yog ua los ntawm kev molding, tom qab tshem tawm qhov chaw tso cai hauv pwm, yuav muaj ib txoj kab sib cais hauv cov hniav forged. | Muaj cov xuab zeb thiab cov khoom siv casting nyob rau hauv qhov chaw ntawm cov hniav casting thoob. |
| Khoom Siv Kho Tshuab | Cov txheej txheem forging tuaj yeem lav qhov txuas ntxiv ntawm cov hlau fiber, thiab khaws cov hlau ntws tiav, lav cov khoom siv kho tshuab zoo thiab lub neej ntev ntawm cov hniav thoob, uas cov txheej txheem casting tsis muaj qhov sib piv. | Piv rau cov khoom siv casting, cov qauv hlau thiab cov khoom siv kho tshuab tuaj yeem txhim kho tom qab forging. Lub koom haum casting tom qab forging thermal deformation, cov siv lead ua loj thiab cov noob columnar hloov pauv mus rau hauv cov noob zoo, thiab cov qauv isometric recystallization sib xws, cia cov qauv ntawm kev sib cais thawj hauv ingot, osteoporosis, porosity slag suav nrog thiab lwm yam compact kom ze dua, yog li txhim kho cov hlau plasticity thiab cov khoom siv kho tshuab.
Kev forging yog kom tau txais cov duab xav tau los ntawm kev nias cov hlau los ntawm kev hloov pauv yas, feem ntau yog los ntawm kev rauj lossis siab. Cov txheej txheem forging muab cov qauv granular zoo, thiab txhim kho cov khoom siv lub cev ntawm cov hlau, hauv kev siv tiag tiag, kev tsim qauv zoo tuaj yeem lav qhov ntws ntawm cov noob mus rau hauv qhov kev ntxhov siab tseem ceeb. Thaum casting yog kom tau txais cov khoom tsim hlau los ntawm txhua yam kev casting, uas yog muab cov hlau kua rau hauv cov pwm npaj kom tau txais qee yam duab, qhov loj me thiab cov khoom, los ntawm kev smelting, casting, txhaj tshuaj lossis lwm txoj kev casting, thiab co tawm tom qab txias, ntxuav thiab kho zaum kawg. |
