Tsheb Pwm|Kev sib tham luv luv ntawm Kev Tsim Cov Txheej Txheem Teeb Duab

I. Tuag Tsim
Cov txheej txheem tuag muaj xws li: xaiv cov kev taw qhia stamping, txheej txheem ntxiv, tiam 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 Peb yuav piav qhia txhua yam ntawm cov ntsiab lus hauv qab no.

1. Kev txiav txim siab ntawm Stamping Tuag
Cov kev taw qhia stamping yog hais txog cov kev taw qhia ntawm lub tshuab cuab yeej siab ntawm qhov khoob thaum lub sij hawm tuag txheej txheem. Xaiv qhov tseeb stamping kev taw qhia yog thawj qhov teeb meem uas tau ntsib hauv kev txiav txim siab txog kev kos duab. Nws tsis tsuas yog txiav txim siab seb puas muaj qhov txaus siab tuaj yeem kos, tab sis kuj cuam tshuam rau cov txheej txheem ntxiv thiab cov txheej txheem ntawm txhua txoj kev tom qab kos duab. Rau kev kos duab tuag, kev xaiv ntawm stamping kev taw qhia yuav tsum ua raws li cov hauv qab no:

(1) Xyuas kom meej tias cov punch tuaj yeem nkag mus rau qhov tuag, thiab yuav tsum tsis muaj qhov chaw uas cov punch tsis tuaj yeem tiv tauj.

(2) Thaum pib ntawm kev kos duab, qhov chaw sib cuag ntawm lub punch thiab qhov khoob yuav tsum loj npaum li qhov ua tau, thiab qhov sib cuag yuav tsum nyob ntawm qhov chaw ntawm qhov tuag.

(3) Lub zog ntawm txhua qhov 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. (4) Txo qhov tob tob kom ntau li ntau tau, thiab xyuas kom meej qhov tob ntawm txhua qhov kom tsis txhob tawg vim qhov tob tob.

Feem ntau, peb tuaj yeem teeb tsa qhov nruab nrab ntawm lub ntiajteb txawj nqus ntawm tus qauv 3D raws li lub hauv paus chiv keeb, tsim kom muaj kev sib koom tes ntawm Y-axis thiab X-Z dav hlau, thiab tig qhov kev sib koom tes ntawm X-Z dav hlau nrog Y-axis ua qhov chaw kom txog rau thaum txhua qhov chaw tsis tsim cov kaum sab xis tsis zoo nrog cov kev taw qhia no. Qhov kev taw qhia no yog kev taw qhia kos duab.

Hauv qab no, peb coj sab laug thiab sab xis pem hauv ntej log npog ua piv txwv kom pom tias yuav ua li cas txiav txim siab stamping kev taw qhia ntawm cov txheej txheem kos duab. Raws li pom nyob rau hauv daim duab 1 thiab 2, tig qhov kev sib koom tes ntawm X-Z dav hlau los ntawm 5℃nrog Y-axis raws li qhov chaw ua kom ntseeg tau tias cov punch tuaj yeem nkag mus rau hauv qhov tuag, tsis muaj qhov chaw uas cov punch tsis tuaj yeem ncav cuag, thiab txhua qhov chaw tsis tsim lub kaum sab xis tsis zoo nrog cov kev taw qhia no. Qhov kev taw qhia no tuaj yeem txiav txim siab raws li kev taw qhia stamping ntawm cov txheej txheem kos duab.

2. Tsim nyog ntxiv cov txheej txheem ntxiv
Automotive stamping qhov chaw muaj ntau haiv neeg, thiab qee qhov loj lub cev panels muaj cov duab tsis sib xws thiab cov qauv asymmetrical, ua rau nws nyuaj rau ua kom tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem kev kos duab. Tsim nyog ntxiv cov txheej txheem ntxiv yog qhov zoo rau kev txhim kho kev tsim khoom ntawm cov khoom kos thiab txhim kho lawv qhov zoo. Cov txheej txheem ntxiv yog ib qho tseem ceeb ntawm cov khoom kos. Tom qab kos duab, cov txheej txheem ntxiv yuav tsum tau muab tshem tawm, yog li nws kuj yog ib qho tsim nyog siv cov khoom siv hauv cov txheej txheem. Cov duab ntawm cov txheej txheem supplementation nto feem ntau yog ib qho nyuaj spatial nkhaus nto. Nws yog ib qho tsim nyog tsis tsuas yog los txiav txim siab qhov kev taw qhia thiab thaj tsam ntawm qhov chaw ntxiv, tab sis kuj piav qhia nws qhov spatial geometry. Nws yog ib txoj kev muaj tswv yim uas muaj nyob rau hauv ciam teb tej yam kev mob los xyuas kom meej tus smooth realization ntawm txoj kev. Tam sim no, txoj kev daws teeb meem no feem ntau yog nyob ntawm tus kheej kev paub dhau los, uas yog txiav txim siab los ntawm kev txheeb xyuas qhov zoo ntawm qhov geometry thiab ua tiav nrog kev pab ntawm cov qauv tsim software. Thaum tsim cov txheej txheem ntxiv ntawm cov khoom kos, cov qauv hauv qab no yuav tsum tau ua raws li:

(1) Ua kom qhov tob tob tob li qhov ua tau;

(2) Ua kom nws zoo li qhov ua tau rau txoj kab ntsug ntawm qhov txiav;

(3) Cov txheej txheem ntxiv ib feem yuav tsum me me li sai tau los txhim kho cov khoom siv.

3. Kev tsim ntawm lub qhov khoob khoob

Lub qhov khoob khoob khoob khoob yog hais txog qhov sab nraum lub vojvoog ntawm lub kaum sab xis tuag. Thaum txiav txim siab cov duab 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 Vim hais tias cov punch siv ib qho kev ncab ntawm qhov rub tawm, qhov ntev 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. Yog hais tias lub unfolded ntev ntawm lub khoob khoob yog ntev tshaj li lub punch, ripples los yog wrinkles yuav tshwm sim thaum stretching. Muaj ob hom ntawm cov neeg tuav cov khoom seem. Ib hom yog qhov chaw uas muaj 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. Cov duab ntawm hom no ntawm qhov khoob khoob khoob khoob yog tsau. Hauv qhov no, thaum lub 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. Vim hais tias lub vojvoog fillet ntawm lub workpiece feem ntau me me, ncaj qha siv nws raws li lub vojvoog fillet ntawm qhov tuag tsis zoo rau ncab thiab yuav tsum tau nce ntxiv kom tsis txhob wrinkling los yog tawg thaum lub sij hawm ncab. Qhov ntau ntxiv fillet radius tuaj yeem ua tiav los ntawm cov txheej txheem shaping tom ntej kom tau raws li cov khoom xav tau. Lwm hom 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. Rau hom khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Lub 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. Txwv tsis pub, ripples thiab wrinkles yuav tshwm sim thaum lub sij hawm stretching txheej txheem, los yog txawm tawg yuav tshwm sim. Yog li ntawd, cov duab 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. Ntawm cov no, lub dav hlau tsis muaj lub ntsej muag tsis yog tsuas yog muaj txiaj ntsig zoo rau kev tsim cov ntawv dawb xwb tab sis kuj yooj yim rau txheej txheem, thiab yuav tsum tau siv thaum twg los tau.

4. Kos Bead Placement Cov teeb meem tseem ceeb uas tau ntsib thaum lub sij hawm kos duab ntawm cov khoom stamped yog wrinkling thiab tawg. Yuav kom daws tau qhov teeb meem no, kos cov hlaws yuav tsum tau muab tso rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm, nws yuav tsum tau txiav cov txiav, nws yuav tsum tau txiav cov txiav thiab txiav cov txiav. Tus naj npawb thiab txoj hauj lwm ntawm cov hlaws dai yog txiav txim siab los ntawm cov duab ntawm qhov chaw stamped thiab qhov tob ntawm daim duab. Rau qhov chaw uas muaj qhov tob tob tob, kos hlaws feem ntau muab tso rau hauv cov ntu ncaj, thaum lawv tsis muab tso rau hauv cov ntu nkhaus. Thaum cov duab kos qhov tob ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv, cov hlaws dai tsis tau muab tso rau hauv cov ntu sib sib zog nqus, tab sis yuav tsum tau nyob rau hauv qhov ntiav ntiav. Cov hlaws dai yog muab tso rau hauv thaj chaw uas tsis muaj kev noj zaub mov tsis zoo, hauv thaj chaw uas xav tau kev pub noj tsawg dua, thiab hauv thaj chaw uas muaj qhov ua rau wrinkling. Cov kev taw qhia ntawm cov hlaws dai yuav tsum yog perpendicular mus rau cov khoom ntws kev taw qhia ntawm cov kos duab dawb paug.

5. Kev npaj ntawm txheej txheem qhov thiab txiav tawm Thaum cov ntawv hlau yog ncab tshaj nws qhov kev txwv, nws yuav tawg. Yog li ntawd, txheej txheem qhov los yog txiav tawm yog tsim los pab txhawb cov khoom ntws. Cov txheej txheem qhov thiab txiav tawm feem ntau yog siv rau cov khoom ua haujlwm nrog qhov chaw deformation loj lossis rov qab kos duab. Lawv yuav tsum tau muab faib rau hauv cov txheej txheem ntxiv kom lawv thiaj li raug tshem tawm hauv cov txheej txheem trimming thiab xuas nrig ntaus. Cov txheej txheem qhov thiab qhov txiav feem ntau muab tso rau ntawm cov ces kaum uas tensile kev nyuaj siab yog qhov loj tshaj plaws thiab tau yoog raws li cov duab ntawm thaj chaw protruding npoo kom ntseeg tau tias cov khoom ntws zoo. Feem ntau muaj ob txoj hauv kev rau kev tsim cov txheej txheem qhov thiab txiav tawm: ib qho yog xuas nrig rau lawv thaum lub sij hawm blanking, uas feem ntau yog siv rau cov xwm txheej hauv zos qhov tob tob tob; lwm qhov yog txiav lawv tawm thaum lub sij hawm kev kos duab, uas yog txoj kev siv ntau tshaj plaws. Thaum lub sij hawm kos duab, cov khoom yog deformed tag nrho, thiab tom qab ntawd cov txheej txheem txiav tawm yog tsim, siv cov tangential txuas ntxiv ntawm cov khoom kom ua tiav txoj kev sib sib zog nqus. Chips los ntawm kev txiav tawm ntawm cov ntawv hlau sab nrauv yuav tsim cov pob zeb ntawm qhov chaw ua haujlwm. Yog li ntawd, txheej txheem qhov thiab cutouts yuav tsum tau txiav nyob rau hauv lub blanking tuag, tsis txhob txiav lawv nyob rau hauv daim duab tuag.

6. Kev txiav txim siab lub kaum sab xis ntawm lub Punch thiab Tuag Qhov loj ntawm lub kaum sab xis ntawm lub punch thiab tuag plays lub luag haujlwm tseem ceeb hauv kev tau txais qhov zoo tshaj plaws kos. Feem ntau qhov tsis xws luag hauv cov txheej txheem kos duab ntawm cov ntawv hlau loj xws li tearing thiab wrinkling. Thaum lub kaum sab xis ntawm lub kaum sab xis me me dhau lawm, qhov khoov deformation ntawm thaj chaw hloov pauv ntawm cov phab ntsa ncaj thiab hauv qab ntawm qhov rub tawm dawb paug nce, ua rau lub zog ntawm qhov tseem ceeb. Piv txwv li, thaum lub kaum sab xis tuag yog me me, lub tensile kev nyuaj siab nyob rau hauv lub quab yuam kis tau tus mob cheeb tsam ntawm lub dawb paug sidewall nce raws li. Ob qho xwm txheej ua kom cov duab kos, ua kom cov deformation tsis kam ntawm cov ntawv hlau, thiab yog li ua kom tag nrho cov duab kos thiab txo lub neej tuag. Yog tias lub kaum sab xis ntawm cov punch thiab tuag loj dhau, qhov deformation tsis kam ntawm cov ntawv hlau yog me me, thiab cov hlau ntws zoo, tab sis nws kuj txo qhov zoo ntawm cov khoom seem, ua rau ib feem ntawm qhov wrinkling. Yog li ntawd, kev txiav txim siab ntawm cov punch thiab tuag radii yuav tsum ua tib zoo xav txog yam xws li cov yam ntxwv deformation ntawm ib feem, kos hlaws, thiab qhov loj ntawm cov punch thiab tuag kaum radii.

7. Kev txiav txim siab ntawm txoj hauv kev

Thaum tsim cov txheej txheem kos duab rau qhov chaw stamped, cov txheej txheem tom ntej yuav tsum tau txiav txim siab. Ib txoj hauv kev zoo yog qhov tseem ceeb los xyuas kom meej tias qhov chaw ntawm qhov chaw tsis raug puas tsuaj thiab qhov tseeb qhov tseeb tsis cuam tshuam. Muaj peb txoj hauv kev muab tso rau:

(1) Deg positioning: Txoj kev no siv cov duab ntawm sab hauv thiab sab nrauv ntawm lub workpiece rau qhov chaw. Txoj kev no feem ntau yog siv rau sab nrauv npog qhov chaw.

(2) Qhov chaw qhov chaw: Txoj kev no siv lub qhov los yog txheej txheem qhov ntawm qhov chaw rau qhov chaw. Nws xav kom cov qhov sib nrug deb li deb tau. Txoj kev no feem ntau yog siv rau cov khoom siv sab hauv.

(3) Qhov - qhov chaw ua ke ntawm qhov chaw: Txoj kev no muab cov duab ntawm qhov chaw nrog cov txheej txheem qhov. Ntau qhov chaw nrog cov duab nyuaj siv txoj hauv kev no.

Cov ntsiab lus: Qhov zoo ntawm cov duab kos tuag nto tsim ncaj qha cuam tshuam seb cov khoom puas tuaj yeem ua tiav, qhov zoo ntawm kev sib sau, thiab qhov ntev ntawm cov khoom debugging voj voog. Tam sim no, nrog rau kev tsim kho tshuab computer, software xws li Catia, UG, thiab AUTOform tau siv dav hauv pwm tsim. Daim ntawv thov ntawm cov software software no tso cai rau cov neeg tsim qauv tsim cov khoom lag luam ncaj qha ntawm cov khoos phis tawj raws li lawv cov kev paub dhau los, thiab tom qab ntawd siv AUTOform los simulate cov txheej txheem ncab ntawm cov tsim profiles. Los ntawm kev txheeb xyuas cov txiaj ntsig simulation, lawv tuaj yeem txhim kho cov khoom lag luam profile tsim kom tau txais cov khoom lag luam zoo tshaj plaws. Kab lus no muab cov ncauj lus kom ntxaws txog cov teeb meem uas xav tau kev saib xyuas hauv kev tsim cov txheej txheem kos duab, muab cov lus qhia tseem ceeb rau kev tsim cov duab kos.