Cov ntsiab lus ntawm kev paub txog kev tsim cov hlau stretching tuag

Ntau tus neeg txaj muag ntawm kev kos duab tuag vim tias lawv cov qauv tsim yuav tsum xav txog ntau yam, thiab qhov tseem ceeb tshaj, kev sim ua haujlwm feem ntau tsis ua rau qhov xav tau ntawm thawj zaug sim, xav tau ntau yam kev hloov kho. Yog li ntawd, kev ua haujlwm tsis tu ncua yog qhov tseem ceeb rau kev kos duab tuag tsim.

1. Cov khoom siv: Cov ntaub ntawv zoo yog ib nrab ntawm kev sib ntaus sib tua, thiab qhov no yog qhov tseem ceeb rau kev kos duab tuag. Txias- dov nyias cov ntawv hlau rau kev kos duab feem ntau suav nrog 08Al, 08, 08F, 10, 15, thiab 20 steels, nrog 08 steel yog siv dav tshaj plaws. Nws muab faib ua rimmed steel thiab tua hlau. Rimmed steel yog pheej yig dua thiab muaj qhov zoo ntawm qhov zoo, tab sis nws yog qhov yooj yim rau kev sib cais thiab kev laus, ua rau nws tsim nyog rau cov khoom uas muaj kev ua haujlwm siab stamping thiab nruj zoo li yuav tsum tau ua. Cov hlau tua tau zoo dua, nrog kev sib npaug ntau dua tab sis tus nqi siab dua; qib sawv cev yog aluminium-tua steel 08Al.

Cov hlau txawv teb chaws tau siv Japanese SPCC-SD sib sib zog nqus- kos duab hlau, uas nws qhov kev ua tau zoo tshaj 08Al.

Kev paub 1: Thaum cov neeg siv khoom xav tau rau cov ntaub ntawv tsis xav tau ntau dhau, thiab rov sim molding ua tsis tau raws li qhov yuav tsum tau ua, sim cov khoom sib txawv.

2. Kev txiav txim siab qhov loj me me: Rau qhov yooj yim rotating qhov chaw, 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 Nws tuaj yeem suav tau raws li lub hauv paus ntsiab lus tias thaj chaw dawb huv thiab thaj chaw ncab (nrog rau kev txiav nyiaj txiav yog tias tsim nyog) sib npaug.

Txawm li cas los xij, qhov ncab feem ntau muaj ntau cov duab thiab cov txheej txheem, qee zaum yuav tsum tau thinning thaum ncab. Txawm hais tias muaj ntau qhov kev pab cuam 3D software tuaj yeem ua cov kev suav daws, lawv qhov tseeb tsis yog 100% lav.

Kev daws: sim molding.

Ib qho khoom lag luam feem ntau dhau los ua ntau yam txheej txheem, thawj qhov feem ntau yog blanking. Ua ntej, unfolding xam yuav tsum tau ua kom tau ib tug dav kev nkag siab ntawm qhov dawb paug cov duab thiab loj, yog li txiav txim siab tag nrho qhov ntev ntawm lub blanking tuag. Tsis txhob tshuab lub punch thiab tuag qhov ntev ntawm lub blanking tuag tom qab tuag tsim tiav. Ua ntej, 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. Tom qab rov ua qhov kev sim hauv cov txheej txheem tom ntej, qhov khoob qhov ntev yog qhov kawg txiav txim siab. Tom qab ntawd, lub punch thiab tuag ntawm lub blanking tuag yog machined.

Kev paub 2: Rov qab cov txheej txheem ntws; sim cov duab tuag ua ntej, tom qab ntawd tshuab lub blanking txiav ntug qhov ntev. Txoj kev no ua tau zoo dua.

3. Drawing Coefficient m Cov kos duab coefficient 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 lej ntawm kev kos duab.

Muaj ntau yam cuam tshuam rau kev kos duab coefficient m, suav nrog cov khoom siv, cov khoom sib txheeb thickness, kev kos duab (txawm tias tsis muaj qhov khoob khoob), tus naj npawb ntawm kev kos duab, kos duab nrawm, punch thiab tuag kaum radii, lubrication, thiab lwm yam.

Kev suav thiab xaiv cov hauv paus ntsiab lus ntawm kev kos duab coefficient m yog cov ntsiab lus tseem ceeb qhia hauv ntau phau ntawv stamping. Muaj ntau txoj hauv kev, suav nrog kev txiav tawm, saib lub rooj, thiab kev suav, uas yog cov ncauj lus kom ntxaws heev. Kuv kuj tau xaiv txoj hauv kev raws li phau ntawv; tsis muaj dab tsi tshiab. Thov xa mus rau cov phau ntawv.

Kev paub 3: Cov txheeb ze tuab ntawm cov khoom siv, txoj kev ncab (nrog lossis tsis muaj qhov khoob khoob), thiab tus naj npawb ntawm cov voj voog ncab yog qhov nyuaj los kho thaum kho pwm; ceev faj yog qhov tseem ceeb! Nws yog qhov zoo tshaj kom muaj ib tug npoj yaig calibrate lub stretching coefficient m ua ntej xaiv.

4. Siv cov roj lubricating rau cov kab noj hniav tuag, lossis npog cov ntawv nyias nrog lub hnab nyias nyias.

Kev paub 4: Thaum ntsib cov kab nrib pleb, siv cov roj lubricating rau cov kab noj hniav tuag (tsis txhob siv rau cov punch), thiab npog rau sab ntawm lub workpiece tig rau ntawm qhov tuag kab noj hniav nrog 0.013-0.018mm yas zaj duab xis.

5. Kev kho cua sov workpiece. Thaum lub sij hawm stretching txheej txheem, lub workpiece undergoes txias ua hauj lwm hardening vim txias yas deformation, txo nws plasticity thiab ua rau nws deformation kuj thiab hardness. Ua ke nrog kev tsim pwm tsis tsim nyog, qhov nruab nrab annealing yog qhov tsim nyog kom muag cov hlau thiab rov qab nws cov yas.

Nco tseg: Intermediate annealing tsis yog ib txwm tsim nyog nyob rau hauv feem ntau cov txheej txheem, vim nws nce nqi. Qhov kev xaiv yuav tsum tau ua los ntawm kev ntxiv cov txheej txheem thiab ntxiv annealing; siv nrog ceev faj!

Annealing feem ntau siv qis -kub annealing, piv txwv li, recrystallization annealing.

Ob lub ntsiab lus yuav tsum nco ntsoov thaum annealing: decarburization thiab oxidation. Tshooj lus no feem ntau tham txog oxidation. Oxidized workpieces muaj oxide nplai, uas muaj ob qhov tsis zoo: nws txo qhov siv tau ntawm cov khoom siv thiab ua rau pwm tuaj pwm.

Thaum lub tuam txhab tej yam kev mob raug txwv, zoo tib yam annealing feem ntau yog siv. Txhawm rau txo qis oxide scale tsim, lub cub tawg yuav tsum tau ntim kom ntau li ntau tau thaum lub sij hawm annealing. Kuv kuj tau siv qee txoj hauv kev ua ntu zus:

1. Thaum muaj ob peb workpieces, lawv tuaj yeem tov nrog lwm cov workpieces (muab cov txheej txheem annealing tsis yog qhov zoo ib yam).

2. Cov khoom ua haujlwm tau muab tso rau hauv cov thawv hlau thiab welded kaw ua ntej yuav thauj mus rau hauv qhov cub. Txhawm rau tshem tawm oxide nplai, pickling yuav tsum tau ua tom qab annealing, nyob ntawm qhov xwm txheej.

Thaum lub tuam txhab tso cai, nitrogen furnace annealing, tseem hu ua nto tiav annealing, tuaj yeem siv. Tsis muaj kev soj ntsuam ze, cov xim yuav luag tib yam li ua ntej annealing.

Kev paub 5: Rau cov hlau uas muaj zog ua hauj lwm hardening zog, los yog thaum tawg tshwm sim thaum lub sij hawm sim molding thiab tsis muaj lwm yam kev daws teeb meem, ntxiv ib tug intermediate annealing txheej txheem.

6. Ob peb lub ntsiab lus ntxiv:

1. Qhov ntev ntawm cov khoom kos duab yuav tsum tau cim rau ntawm ib sab kom ntau li ntau tau kom paub meej seb lawv puas tau lees paub qhov ntev ntawm sab nraud lossis sab hauv. Qhov ntev sab hauv thiab sab nraud yuav tsum tsis txhob raug cim ib txhij . 1. Yog tias cov duab kos los ntawm lwm tus muaj teeb meem zoo li no, sib txuas lus nrog lawv kom ncav cuag qhov kev pom zoo. Yog tias qhov kev pom zoo tsis tuaj yeem ua tau, nkag siab txog kev sib koom ua ke ntawm cov khoom ua haujlwm thiab lwm qhov chaw.

2. Rau cov txheej txheem kawg, yog tias qhov workpiece qhov ntev yog sab nraud, tsom mus rau qhov tuag kab noj hniav, thiab ua tiav qhov kev tshem tawm los ntawm kev txo qhov loj ntawm cov punch; Yog hais tias lub workpiece qhov ntev yog sab hauv, tsom rau cov punch, thiab ua tiav qhov kev tshem tawm los ntawm kev nce qhov loj ntawm qhov tuag kab noj hniav.

3. Siv lub vojvoog me tshaj plaws uas tso cai rau lub punch thiab tuag cov ces kaum thaum tsim los pab kho pwm tom qab.

4. Thaum txiav txim siab qhov ua rau ntawm qhov chaw ua haujlwm tearing, xav txog cov hauv qab no: Cov kab nrib pleb uas tshwm sim los ntawm cov khoom siv tsis zoo feem ntau yog serrated los yog tsis zoo nyob rau hauv cov duab, thaum cov kab nrib pleb tshwm sim los ntawm cov txheej txheem los yog pwm feem ntau neater.

5. "Cov khoom siv ntau dhau ua rau wrinkles, me me ua rau tawg." Kho cov khoom ntws raws li txoj cai no. Cov txheej txheem suav nrog kev kho lub 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 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

6. Los xyuas kom meej hnav tsis kam thiab tiv thaiv tensile khawb, lub punch, tuag, thiab qhov khoob khoob yuav tsum tau ua kom tawv; hard chrome plating tej zaum yuav tsim nyog.