Yuav Ua Li Cas Stamping Tuag tsim cov khoom tsim nyog?
Ntau tus neeg ntshai los ntawm kev kos duab tuag. Qhov no yog vim tsis tsuas yog ua ntau yam yuav tsum tau xav txog thaum tsim, tab sis qhov tseem ceeb tshaj, lawv feem ntau tsis ua tiav qhov kev xav tau ntawm kev sim tuag, yuav tsum tau kho ntau yam. Yog li ntawd, accumulating experience los ntawm kev xyaum yog heev pab tau rau kos tuag tsim.
Rau lub ntsiab lus hauv qab no tau sau los ntawm peb cov engineers:
1. Khoom siv
Cov ntaub ntawv zoo yog ib nrab ntawm kev sib ntaus sib tua. Thaum nws los txog rau kev kos duab, qhov tseem ceeb ntawm cov ntaub ntawv tsis tuaj yeem kwv yees.
Lub ntsiab txias- dov nyias steel ntawv siv rau kev kos duab suav nrog 08Al, 08, 08F, 10, 15, thiab 20 steels. 08 steel yog siv dav tshaj plaws, thiab muab faib ua rimmed steel thiab tua hlau. Rimmed steel muaj tus nqi qis thiab qhov zoo ntawm qhov zoo, tab sis nws kuj nthuav tawm kev sib cais hnyav thiab muaj kev nyiam rau kev laus, ua rau nws tsis tsim nyog rau cov khoom uas xav tau kev ua haujlwm siab stamping thiab nruj zoo li yuav tsum tau ua. Tua steel muaj kev ua tau zoo dua, nrog cov khoom sib xws, tab sis kim dua. Qib sawv cev yog aluminium-tua steel 08Al. Cov hlau txawv teb chaws tau siv SPCC-SD sib sib zog nqus{15}} kos duab hlau, uas muaj cov khoom tensile zoo dua li 08Al. 1. Yog tias tus neeg siv khoom xav tau cov khoom siv tsis nruj heev thiab kev sim pwm ntau zaus ua tsis tau raws li qhov yuav tsum tau ua, sim lwm yam khoom siv.
2. Kev txiav txim siab qhov dav dav
Rau qhov yooj yim rotating qhov chaw, txoj kab uas hla dawb paug hloov thaum lub sij hawm uas tsis yog -thinning txheej txheem, tab sis cov ntaub ntawv thickness tseem nyob ze rau tus thawj thickness. Qhov no tuaj yeem suav tau raws li lub hauv paus ntsiab lus tias thaj chaw dawb paug yog sib npaug rau thaj tsam ntawm qhov kos duab (ntxiv cov nyiaj txiav tawm yog tias yuav tsum tau trimming). Txawm li cas los xij, cov khoom kos feem ntau muaj cov duab thiab cov txheej txheem, thiab qee zaum yuav tsum tau thinning. Txawm hais tias muaj ntau qhov kev pab cuam 3D software muaj rau kev nthuav dav, lawv qhov tseeb tsis tuaj yeem ua raws li qhov yuav tsum tau ua.
Yuav daws qhov teeb meem ntawm cov khoom lag luam li cas? Kev daws: Cov khoom siv kuaj.
A. Ib yam khoom tau dhau los ua ntau kauj ruam, thawj qhov feem ntau yog blanking. Ua ntej, ua cov lus qhia nthuav dav kom tau txais kev nkag siab zoo ntawm qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Tsis txhob hloov cov txiv neej thiab poj niam tuag ntawm qhov blanking tuag tom qab tsim pwm tiav. Ua ntej, siv hlau EDM los tshuab qhov khoob (qhov loj dua tuaj yeem raug milled thiab tom qab ntawd txiav nrog lub clamp). Tom qab rov ua qhov kev sim nrog cov txheej txheem tom ntej, qhov khoob qhov ntev yog qhov kawg txiav txim siab, thiab tom qab ntawd cov txiv neej thiab poj niam tuag rau cov txheej txheem blanking yog machined.
B. Inversely npaj cov txheej txheem: sim cov kos duab tuag ua ntej, ces tshuab lub blanking ntug qhov ntev, ua tiav ob zaug qhov tshwm sim nrog ib nrab ntawm kev rau siab.
3: Stretch Factor (m)
Lub stretch factor m yog ib qho ntawm cov txheej txheem tseem ceeb hauv kev suav cov txheej txheem kos duab. Nws feem ntau yog siv los txiav txim qhov kev txiav txim thiab tus naj npawb ntawm stretches. Muaj ntau yam cuam tshuam rau qhov stretch factor m, nrog rau cov khoom siv, cov khoom sib txheeb thickness, txoj kev ncab (piv txwv li, qhov muaj lossis tsis muaj tus tuav tsis muaj), tus naj npawb ntawm stretches, stretching ceev, txiv neej thiab poj niam tuag kaum lub vojvoog, thiab lubrication.
Kev suav thiab kev xaiv cov ntsiab lus rau lub stretch factor m yog cov ntsiab lus tseem ceeb uas muaj nyob rau hauv ntau yam stamping phau ntawv, thiab muaj ntau txoj hauv kev, suav nrog kev txiav tawm, saib lub rooj, thiab kev suav.
A. Tus txheeb ze cov ntaub ntawv tuab, txoj kev ncab (piv txwv li, qhov muaj lossis tsis muaj qhov khoob ntawm qhov khoob), thiab tus naj npawb ntawm cov stretches yog qhov nyuaj los kho thaum kho; ceev faj ntxiv!
B. Siv cov roj nplua nyeem rau qhov tuag, lossis qhwv lub hnab zaj duab xis nyob ib ncig ntawm daim ntawv.
C. Yog tias tensile cracking tshwm sim, siv roj nplua nyeem rau qhov tuag (tsis yog lub punch). Npog lub workpiece nrog 0.013-0.018mm tuab yas zaj duab xis ntawm sab tuag.
4. Workpiece Thaum tshav kub kub kho
Thaum lub sij hawm stretching txheej txheem, lub workpiece undergoes txias yas deformation, uas ua rau txias ua hauj lwm hardening. Qhov no txo nws cov plasticity, tsub kom nws deformation kuj, thiab tsub kom nws hardness. Tsis tas li ntawd, yog tias cov pwm tsim tsis tsim nyog, qhov nruab nrab annealing tej zaum yuav tsim nyog los soften cov hlau thiab rov qab nws plasticity.
Nco tseg: Hauv cov txheej txheem dav dav, qhov nruab nrab annealing tsis tas yuav tsum tau, vim nws nce nqi. Xaiv ntawm kev ntxiv cov kauj ruam ntxiv thiab annealing. Siv nrog ceev faj!
Annealing feem ntau yog ua los ntawm qhov kub thiab txias, tseem hu ua recrystallization annealing.
Muaj ob lub ntsiab lus tseem ceeb thaum lub sij hawm annealing: decarburization thiab oxidation. Ntawm no, peb yuav tsom mus rau oxidation. Oxidation tsim cov nplai ntawm cov khoom ua haujlwm, uas muaj ob qhov kev phom sij: nws txo qhov tuab ntawm cov khoom ua haujlwm thiab ua rau pwm tuaj pwm.
Thaum lub tuam txhab cov xwm txheej raug txwv, cov pa annealing feem ntau yog siv. Txhawm rau txo qis kev tsim, lub qhov cub yuav tsum tau ntim kom puv li sai tau thaum lub sij hawm annealing. Kuv kuj tau siv ob peb txoj hauv kev tsis zoo:
A. Thaum muaj tsawg dua workpieces, lawv tuaj yeem tov nrog lwm cov khoom ua haujlwm (xws li cov txheej txheem annealing yog qhov tseem ceeb tib yam).
B. Muab cov khoom ua haujlwm tso rau hauv lub thawv hlau, kaw lawv nrog welds, thiab tom qab ntawd thauj lawv mus rau hauv qhov cub. Txhawm rau tshem tawm nplai, pickling yuav tsum tau ua tom qab annealing, raws li qhov tsim nyog.
Thaum lub tuam txhab cov xwm txheej txaus, nitrogen furnace annealing, tseem hu ua ci annealing, tuaj yeem siv. Yog tsis muaj kev soj ntsuam zoo, cov xim yuav luag zoo ib yam li ua ntej annealing.
5. Rau cov hlau uas muaj zog txias ua hauj lwm hardening los yog thaum cracking tshwm sim thaum lub sij hawm kuaj pwm thiab tsis muaj lwm yam tshuaj, ib tug intermediate annealing kauj ruam yuav muab ntxiv..
6. Thaum kawg, ob peb lub ntsiab lus ntxiv:
A. Qhov ntev ntawm cov khoom kos duab yuav tsum raug cim rau ntawm ib sab thaum twg ua tau kom qhia meej seb lawv puas xa mus rau sab nraud lossis sab hauv. Tsis txhob khij ob sab hauv thiab sab nraud. Yog tias muaj teeb meem nrog cov duab kos los ntawm lwm tus, sib txuas lus nrog lawv. Yog hais tias sib xws yog ua tau, ces nws yuav tsum tau ua kom tiav. Yog tias tsis yog, kev sib koom ua ke ntawm cov khoom ua haujlwm nrog lwm cov khoom yuav tsum nkag siab.
B. Rau cov txheej txheem kawg, yog tias qhov workpiece qhov ntev yog sab nraud, qhov tuag yog qhov tseem ceeb, thiab qhov kev tshem tawm tau ua tiav los ntawm kev txo cov punch qhov ntev. Yog tias qhov workpiece qhov ntev yog sab hauv, qhov tuag yog qhov tseem ceeb, thiab qhov kev tshem tawm tau tiav los ntawm kev nce qhov ntev ntawm qhov tuag.
C. Thaum tsim lub kaum sab xis ntawm lub punch thiab tuag, siv qhov tsawg tshaj plaws tso cai qhov muaj peev xwm los pab txhawb kev kho cov tuag tom ntej.
D. Thaum txiav txim siab qhov ua rau ntawm workpiece tawg, xav txog cov hauv qab no:
Cov kab nrib pleb tshwm sim los ntawm cov khoom siv tsis zoo yog feem ntau jagged los yog tsis zoo nyob rau hauv cov duab, thaum cov kab nrib pleb tshwm sim los ntawm cov txheej txheem los yog pwm yog feem ntau sib xws.
E. "Ntau ua rau wrinkles, tsawg ua rau tawg." Raws li lub hauv paus ntsiab lus no, cov khoom siv ntws tuaj yeem hloov kho los ntawm kev kho qhov siab ntawm qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob
F. Txhawm rau kom hnav tsis kam thiab tiv thaiv kev ncab, cov punch thiab tuag, nrog rau lub qhov khoob khoob, yuav tsum tau quenched thiab, yog tias tsim nyog, tawv chrome plated.
Yog tias koj txaus siab rau pwm, thov koj xav tiv tauj peb!
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