Forging yog lub npe ua ke rau forging thiab stamping. Nws yog ib txoj kev ua cov pwm uas siv lub rauj, lub anvil, thiab lub punch ntawm lub tshuab forging lossis pwm los ua kom muaj kev nyuaj rau ntawm daim ntawv dawb paug kom ua rau cov yas deformation kom tau txais cov khoom ntawm cov duab thiab qhov loj me xav tau.
Dab tsi yog forging
Thaum lub sijhawm ua cov txheej txheem forging, tag nrho cov khoom seem yuav raug hloov pauv ntau yam yas thiab muaj cov yas ntws ntau heev. Hauv cov txheej txheem stamping, cov khoom seem feem ntau yog tsim los ntawm kev hloov qhov chaw ntawm txhua qhov chaw, thiab tsis muaj cov yas ntws hla qhov deb loj hauv nws. Kev forging feem ntau yog siv los ua cov khoom hlau. Nws kuj tseem siv tau los ua cov khoom tsis yog hlau, xws li cov yas engineering, roj hmab, cov khoom seem ceramic, cib, thiab kev tsim cov khoom sib xyaw.
Dov, kos duab, thiab lwm yam hauv kev lag luam forging thiab metallurgical yog txhua yam yas lossis kev ua haujlwm siab. Txawm li cas los xij, forging feem ntau yog siv los tsim cov khoom hlau, thaum dov thiab kos duab feem ntau yog siv los tsim cov khoom siv hlau dav dav xws li phaj, strips, yeeb nkab, profiles, thiab xov hlau.
Kev faib tawm ntawm Forging
Kev forging feem ntau yog muab faib ua raws li txoj kev tsim thiab qhov kub thiab txias ntawm kev hloov pauv. Raws li txoj kev tsim, kev forging tuaj yeem muab faib ua ob pawg: forging thiab stamping. Raws li qhov kub thiab txias ntawm kev hloov pauv, kev forging tuaj yeem muab faib ua kub forging, txias forging, sov forging, thiab isothermal forging, thiab lwm yam.
1. Kub forging
Kev kub forging yog kev forging ua tiav saum qhov kub recrystallization ntawm cov hlau. Kev nce qhov kub tuaj yeem txhim kho qhov plasticity ntawm cov hlau, uas yog qhov zoo rau kev txhim kho qhov zoo ntawm cov khoom ua haujlwm thiab ua rau nws tsis tshua tawg. Qhov kub siab kuj tseem tuaj yeem txo qhov kev tiv thaiv deformation ntawm cov hlau thiab txo qhov tonnage ntawm qhov xav tau.cov tshuab forgingTxawm li cas los xij, muaj ntau yam txheej txheem forging kub, qhov ua haujlwm precision tsis zoo, thiab qhov saum npoo tsis du. Thiab cov forgings yog qhov yooj yim rau oxidation, decarburization, thiab hlawv puas tsuaj. Thaum lub workpiece loj thiab tuab, cov khoom muaj lub zog siab thiab qis plasticity (xws li dov khoov ntawm cov phaj tuab ntxiv, kos duab ntawm cov hlau carbon siab, thiab lwm yam), thiab kub forging siv.
Feem ntau siv cov kub forging kub yog: carbon hlau 800 ~ 1250 ℃; alloy qauv hlau 850 ~ 1150 ℃; high speed hlau 900 ~ 1100 ℃; feem ntau siv aluminium alloy 380 ~ 500 ℃; alloy 850 ~ 1000 ℃; tooj dag 700 ~ 900 ℃.
2. Txias forging
Kev forging txias yog kev forging ua hauv qab qhov kub recrystallization ntawm cov hlau. Feem ntau hais lus, kev forging txias txhais tau tias kev forging ntawm chav tsev kub.
Cov khoom ua haujlwm uas tsim los ntawm kev txias forging ntawm chav tsev kub muaj cov duab zoo thiab qhov loj me, cov nplaim du, ob peb kauj ruam ua tiav, thiab yooj yim rau kev tsim khoom tsis siv neeg. Ntau qhov khoom txias forged thiab txias stamped tuaj yeem siv ncaj qha ua cov khoom lossis cov khoom tsis tas yuav tsum tau machining. Txawm li cas los xij, thaum lub sijhawm txias forging, vim tias cov hlau tsis tshua muaj plasticity, tawg yooj yim tshwm sim thaum lub sijhawm deformation thiab qhov tsis kam deformation yog loj, xav tau cov tshuab loj-tonnage forging.
3. Kev ua kom sov sov
Kev forging ntawm qhov kub siab dua li qhov kub ib txwm tab sis tsis tshaj qhov kub recrystallization hu ua warm forging. Cov hlau tau preheated, thiab qhov kub cua sov qis dua li ntawm kev kub forging. Sov forging muaj qhov tseeb dua, qhov chaw du dua, thiab tsis yooj yim deformation.
4. Kev sib tsoo isothermal
Isothermal forging ua rau qhov kub ntawm cov khoom seem tsis hloov pauv thaum lub sijhawm ua cov txheej txheem. Isothermal forging yog siv tag nrho cov khoom yas siab ntawm qee cov hlau ntawm tib qhov kub lossis kom tau txais cov qauv thiab cov khoom tshwj xeeb. Isothermal forging xav tau khaws cov pwm thiab cov khoom tsis zoo ntawm qhov kub tas li, uas xav tau tus nqi siab thiab tsuas yog siv rau cov txheej txheem forging tshwj xeeb, xws li superplastic forming.
Cov yam ntxwv ntawm Forging
Kev forging tuaj yeem hloov cov qauv hlau thiab txhim kho cov khoom hlau. Tom qab lub ingot kub forged, qhov qub looseness, pores, micro-cracks, thiab lwm yam hauv lub xeev cam khwb cia yog compacted lossis welded. Cov dendrites qub raug tawg, ua rau cov noob me dua. Tib lub sijhawm, qhov qub carbide segregation thiab kev faib tawm tsis sib xws raug hloov pauv. Ua kom cov qauv sib xws, kom tau txais cov forgings uas yog ntom, sib xws, zoo, muaj kev ua tau zoo tag nrho, thiab txhim khu kev qha hauv kev siv. Tom qab lub forging yog deformed los ntawm kub forging, cov hlau muaj cov qauv fibrous. Tom qab txias forging deformation, cov hlau siv lead ua kom zoo.
Kev forging yog ua kom cov hlau ntws plastically los ua ib qho workpiece ntawm cov duab xav tau. Qhov ntim ntawm cov hlau tsis hloov pauv tom qab cov yas ntws tshwm sim vim yog lub zog sab nraud, thiab cov hlau ib txwm ntws mus rau qhov nrog qhov tsis kam tsawg tshaj plaws. Hauv kev tsim khoom, cov duab ntawm cov workpiece feem ntau raug tswj hwm raws li cov cai no kom ua tiav cov deformations xws li thickening, elongation, expansion, bending, thiab tob kos.
Qhov loj ntawm cov khoom ua haujlwm forged yog qhov tseeb thiab zoo rau kev npaj cov khoom loj. Qhov loj ntawm cov pwm tsim hauv cov ntawv thov xws li forging, extrusion, thiab stamping yog qhov tseeb thiab ruaj khov. Cov tshuab forging ua haujlwm siab thiab cov kab tsim khoom forging tsis siv neeg tuaj yeem siv los npaj cov khoom loj lossis ntau lawm.
Cov tshuab forging feem ntau siv suav nrog forging hammers,cov tshuab hydraulic, thiab cov tshuab nias. Lub rauj forging muaj qhov ceev ceev loj, uas yog qhov zoo rau cov yas ntws ntawm cov hlau, tab sis nws yuav tsim kev co. Lub tshuab nias hydraulic siv static forging, uas yog qhov zoo rau forging los ntawm cov hlau thiab txhim kho cov qauv. Cov haujlwm ruaj khov, tab sis cov khoom tsim tau qis. Lub tshuab nias muaj lub stroke ruaj khov thiab yooj yim rau kev siv tshuab thiab automation.
Kev Txhim Kho ntawm Kev Siv Tshuab Forging
1) Txhawm rau txhim kho qhov zoo ntawm cov khoom forged, feem ntau yog txhim kho lawv cov khoom siv kho tshuab (lub zog, plasticity, toughness, qaug zog lub zog) thiab kev ntseeg tau.
Qhov no yuav tsum tau siv txoj kev xav ntawm kev hloov pauv yas ntawm cov hlau zoo dua. Siv cov ntaub ntawv uas zoo dua qub, xws li cov hlau uas tau kho los ntawm lub tshuab nqus tsev thiab cov hlau uas tau yaj los ntawm lub tshuab nqus tsev. Ua kom sov ua ntej forging thiab kho cua sov forging kom raug. Kev sim ntau dua thiab dav dua ntawm cov khoom forged uas tsis ua puas tsuaj.
2) Txhim kho ntxiv cov thev naus laus zis precision forging thiab precision stamping. Kev ua tsis txiav yog qhov tseem ceeb tshaj plaws thiab kev taw qhia rau kev lag luam tshuab los txhim kho kev siv cov khoom siv, txhim kho kev ua haujlwm, thiab txo kev siv hluav taws xob. Kev txhim kho cov cua sov tsis-oxidative ntawm cov khoom forging blanks, nrog rau cov khoom siv pwm uas muaj zog, tiv taus hnav, lub neej ntev thiab cov txheej txheem kho qhov chaw, yuav ua rau muaj kev siv dav ntawm precision forging thiab precision stamping.
3) Tsim cov khoom siv forging thiab cov kab ntau lawm forging nrog kev tsim khoom ntau dua thiab kev siv tshuab. Nyob rau hauv kev tsim khoom tshwj xeeb, kev tsim khoom ntawm cov neeg ua haujlwm tau zoo dua qub thiab cov nqi forging tau txo qis.
4) Tsim cov txheej txheem forging uas yooj ywm (siv cov thev naus laus zis pab pawg, hloov pwm sai, thiab lwm yam). Qhov no ua rau ntau yam, me me-batch forging ntau lawm siv cov khoom siv forging lossis cov kab ntau lawm uas ua haujlwm tau zoo thiab tsis siv neeg. Ua kom nws cov khoom tsim tau thiab kev lag luam ze rau qib ntawm kev tsim khoom loj.
5) Tsim cov ntaub ntawv tshiab, xws li kev ua cov txheej txheem forging ntawm cov khoom siv hmoov metallurgy (tshwj xeeb tshaj yog ob txheej hmoov hlau), hlau ua kua, cov yas fiber-reinforced, thiab lwm yam khoom sib xyaw. Tsim cov thev naus laus zis xws li superplastic forming, high-energy forming, thiab sab hauv high-pressure forming.
Lub sijhawm tshaj tawm: Lub Ob Hlis-04-2024
