Kev khoov thiab kev tsim cov ntawv hlau yog nqa tawm ntawm lub tshuab dabtsi yog khoov. Muab lub workpiece tsim rau ntawm lub tshuab dabtsi yog khoov, nqa tus brake khau nrog lub lifting lever, xaub lub workpiece mus rau qhov tsim nyog txoj hauj lwm, thiab ces txo tus brake khau mus rau txoj hauj lwm xav tau. Ntawm lub workpiece tsim, cov hlau yog khoov thiab tsim los ntawm kev siv lub zog rau lub zog khoov ntawm lub tshuab dabtsi yog khoov. Qhov tsawg kawg nkaus khoov vojvoog yog qhov ua haujlwm ntawm qhov ductility thiab thickness ntawm cov hlau tsim. Rau cov ntawv txhuas, lub vojvoog dabtsi yog khoov ntawm cov hlau yog ntau dua li cov thickness ntawm daim ntawv. Thaum khoov, vim muaj qee qhov rov qab, lub kaum sab xis ntawm cov hlau bending yog me ntsis loj dua li lub kaum sab xis xav tau. Kev khoov ntawm cov ntawv hlau yog ua nyob rau hauv metalworking rhiav.
Sheet hlau ua tsuas yog cov txheej txheem xws li khoov, riveting, thiab vuam cov ntaub ntawv hlau. Cov hauv qab no yog cov teeb meem thiab cov kev daws teeb meem uas tau ntsib hauv cov txheej txheem khoov hauv cov ntawv hlau ua.
Teeb meem 1: Cov ntug khoov tsis ncaj thiab qhov loj me tsis ruaj khov
vim li cas:
1. Cov txheej txheem tsim tsis npaj crimping lossis ua ntej khoov
2. Lub zog nias ntawm cov khoom siv tsis txaus
3. Lub kaum sab xis ntawm lub convex thiab concave tuag yog asymmetrically hnav los yog dabtsi yog khoov quab yuam tsis sib xws
4. Qhov siab me dhau
Kev daws:
1. Tsim crimping los yog pre-bending txheej txheem
2. Ua kom lub zog nias
3. Qhov sib txawv ntawm lub convex thiab concave tuag yog ib yam, thiab cov ces kaum sib npaug yog polished
4. Qhov siab qhov siab yuav tsis tuaj yeem me dua li qhov tsawg kawg nkaus txwv qhov loj
Teeb meem 2: Sab nrauv ntawm lub workpiece yog khawb tom qab khoov
vim li cas:
1. Qhov saum npoo ntawm cov khoom siv raw yog tsis du
2. Lub vojvoog dabtsi yog khoov ntawm lub punch me dhau
3. Qhov sib txawv ntawm qhov khoov me dhau
Kev daws:
1. Txhim kho qhov smoothness ntawm convex thiab concave pwm
2. Ua kom lub vojvoog khoov ntawm lub punch
3. Kho qhov sib txawv ntawm qhov khoov
Teeb meem 3: Muaj cov kab nrib pleb ntawm lub kaum sab xis
vim li cas:
1. Lub vojvoog khoov sab hauv me dhau
2. Cov kev taw qhia ntawm cov khoom siv yog sib npaug rau txoj kab khoov
3. Cov burrs ntawm lub ntsej muag dawb paug sab nraud
4. Plasticity hlau tsis zoo
Kev daws:
1. Ua kom lub vojvoog khoov ntawm lub punch
2. Hloov blanking layout
3. Lub burr yog hloov mus rau lub fillet ntawm lub workpiece
4. Tshem tawm lossis siv cov khoom muag muag
Nqe Lus Nug 4: Khoov ua rau lub qhov deformation
Yog vim li cas: Thaum siv elastic dabtsi yog khoov thiab positioning nrog lub qhov, sab sab ntawm lub caj npab yog rub tawm vim muaj kev sib txhuam ntawm qhov chaw tuag thiab sab nrauv ntawm qhov chaw, uas deforms lub qhov chaw.
Kev daws:
1. Siv cov duab khoov
2. Ua kom lub siab ntawm ejector phaj
3. Ntxiv pockmarks ntawm cov khoom siv sab saum toj kom muaj kev sib txhuam thiab tiv thaiv qhov chaw los ntawm kev swb thaum khoov
Teeb meem 5: Cov khoom siv extrusion ntawm nkhaus nto ua thinner
vim li cas:
1. Die fillet me dhau
2. Qhov sib txawv ntawm qhov concave thiab concave tuag yog me heev
Kev daws:
1. Ua kom cov fillet radius ntawm qhov tuag
2. Kho qhov sib txawv ntawm cov punch thiab tuag
Nqe Lus Nug 6: Lub ntsej muag kawg ntawm lub workpiece yog bulging los yog tsis sib xws
vim li cas:
1. Thaum dabtsi yog khoov, sab nrauv ntawm cov khoom yog stretched nyob rau hauv lub circumferential kev taw qhia los tsim shrinkage deformation, thiab lub puab nto yog compressed nyob rau hauv lub circumferential kev taw qhia los tsim elongation deformation, yog li lub deflection kawg nto tshwm bulging raws txoj kev khoov.
Kev daws:
1. Lub punch thiab tuag yuav tsum muaj txaus siab nyob rau theem kawg ntawm stamping
2. Ua kom qhov tuag fillet vojvoog sib haum mus rau sab nraud ntawm lub workpiece
3. Txhim kho cov txheej txheem
Nqe Lus Nug 7: Lub hauv qab ntawm qhov concave yog qhov tsis sib xws
vim li cas:
1. Cov khoom nws tus kheej tsis sib xws
2. Qhov chaw sib cuag ntawm lub phaj sab saum toj thiab cov khoom siv me me los yog lub zog ntawm cov khoom siv sab saum toj tsis txaus
3. Tsis muaj jacking ntaus ntawv hauv qhov tuag
Kev daws:
1. Leveling khoom
2. Kho cov cuab yeej jacking kom muaj zog jacking
3. Ntxiv jacking ntaus ntawv lossis kho
4. Ntxiv cov txheej txheem shaping
Nqe Lus Nug 8: Tom qab khoov, cov axes ntawm ob lub qhov sib txawv yog hloov
Yog vim li cas: Cov ntaub ntawv springback hloov lub kaum sab xis rau misalign rau hauv nruab nrab kab
Kev daws:
1. Ua kom cov txheej txheem calibration
2. Txhim kho cov qauv ntawm kev khoov tuag kom txo tau lub springback ntawm cov khoom
Nqe Lus Nug 9: Qhov tseeb ntawm qhov chaw thiab qhov loj me tsis tuaj yeem lav tom qab khoov
vim li cas:
1. Qhov nthuav dav ntawm lub workpiece tsis yog lawm
2. Khoom rebound tshwm sim los ntawm
3. Qhov chaw tsis ruaj khov
Kev daws:
1. Yog xam qhov luaj li cas
2. Txhim kho cov txheej txheem kho lossis txhim kho qhov khoov tuag txoj kev tsim qauv
3. Hloov cov txheej txheem txheej txheem los yog nce cov txheej txheem tso
Nqe Lus Nug 10: Txoj kab khoov tsis yog sib npaug rau kab nruab nrab ntawm ob lub qhov
Yog vim li cas: Thaum khoov qhov siab tsawg dua qhov tsawg kawg nkaus khoov txwv qhov siab, qhov khoov qhov yuav bulge sab nraud
Kev daws:
1. Ua kom qhov siab ntawm kev khoov qhov chaw
2. Txhim kho txoj kev khoov txoj kev
Nqe Lus Nug 11: Tom qab khoov, qhov dav kev taw qhia yog deformed, thiab qhov khoov ib feem zoo nkaus li hneev-zoo li tus deflection nyob rau hauv txoj kev dav dav.
Yog vim li cas: torsion thiab deflection vim tsis sib xws ntawm daim duab thiab shrinkage nyob rau hauv qhov dav kev taw qhia ntawm ib feem
Kev daws:
1. Nce khoov siab
2. Ua kom cov txheej txheem calibration
3. Xyuas kom meej tias cov nplej kev taw qhia ntawm cov khoom muaj ib lub kaum ntse ntse nrog cov kev taw qhia dabtsi yog khoov
Teeb meem 12: Cov khoom uas muaj qhov tsis sib haum xeeb poob qis
Yog vim li cas: Qhov kev txiav ua rau ob sab ncaj qhib rau sab laug thiab sab xis, thiab hauv qab ntawm qhov muaj deflection
Kev daws:
1. Txhim kho cov qauv ntawm cov khoom
2. Ua kom cov txheej txheem pub dawb ntawm qhov kev txiav kom txuas cov incisions, thiab txiav tawm cov txheej txheem nyiaj tom qab khoov
