Lub mandrel dabtsi yog khoov lub sijhawm pib nws lub voj voog.Lub mandrel tau muab tso rau hauv lub puab txoj kab uas hla ntawm lub raj.Qhov dabtsi yog khoov tuag (sab laug) txiav txim lub vojvoog.Lub clamping tuag (txoj cai) coj lub raj nyob ib ncig ntawm lub dabtsi yog khoov tuag los txiav txim lub kaum sab xis.
Thoob plaws hauv kev lag luam, qhov xav tau ntawm txoj hlua khi txoj hlua txuas txuas ntxiv tsis tu ncua.Txawm tias nws yog cov khoom siv, cov khoom siv kho mob mobile, thav ntawv rau ATVs lossis cov tsheb siv hluav taws xob, lossis txawm tias cov hlau thaiv kev nyab xeeb hauv chav dej, txhua qhov haujlwm sib txawv.
Kev ua tiav cov txiaj ntsig xav tau yuav tsum muaj cov cuab yeej zoo thiab tshwj xeeb tshaj yog cov kws tshaj lij.Zoo li lwm yam kev qhuab qhia, kev ua haujlwm zoo ntawm txoj hlua khi pib nrog lub hauv paus tseem ceeb, cov ntsiab lus tseem ceeb uas ua rau txhua qhov project.
Qee qhov tseem ceeb ntawm qhov tseem ceeb pab txiav txim siab txog qhov kev ua haujlwm ntawm cov yeeb nkab lossis cov yeeb nkab dabtsi yog khoov qhov project.Cov yam ntxwv xws li cov khoom siv, kev siv kawg, thiab kwv yees siv txhua xyoo cuam tshuam ncaj qha rau cov txheej txheem tsim khoom, cov nqi koom nrog, thiab cov sij hawm xa tuaj.
Thawj qhov tseem ceeb yog cov degree ntawm curvature (DOB), los yog lub kaum sab xis tsim los ntawm qhov khoov.Tom ntej no yog Centerline Radius (CLR), uas khiav raws cov kab nruab nrab ntawm cov yeeb nkab lossis lub raj yuav tsum tau khoov. Feem ntau, qhov nruj tshaj plaws ua tiav CLR yog ob npaug ntawm txoj kab uas hla ntawm cov yeeb nkab lossis lub raj.Ua ob npaug ntawm CLR los xam cov kab nruab nrab ntawm cov kav dej los yog lub raj xaim. ntawm 180-degree rov khoov.
Sab hauv txoj kab uas hla (ID) yog ntsuas ntawm qhov dav tshaj plaws ntawm qhov qhib hauv cov yeeb nkab lossis lub raj.Cov kab sab nraud (OD) yog ntsuas tshaj qhov dav tshaj plaws ntawm cov yeeb nkab lossis cov raj, suav nrog cov phab ntsa. Thaum kawg, cov phab ntsa nominal thickness yog ntsuas ntawm sab nrauv thiab sab hauv ntawm cov yeeb nkab lossis lub raj.
Kev lag luam tus qauv kev ua siab ntev rau lub kaum sab xis yog ± 1 degree.Txhua lub tuam txhab muaj tus qauv sab hauv uas yuav ua raws li cov khoom siv thiab kev paub thiab kev paub ntawm tus neeg siv tshuab.
Cov raj raug ntsuas thiab ntsuas raws li lawv txoj kab uas hla sab nraud thiab ntsuas (piv txwv li phab ntsa thickness). Cov ntsuas feem ntau suav nrog 10, 11, 12, 13, 14, 16, 18, thiab 20.Qhov qis dua qhov ntsuas, qhov tuab ntawm phab ntsa: 10-ga.Lub raj muaj 0.134 inch.0½-a.a” thiab phab ntsa. thiab 0.035 ″ OD tubing.Cov phab ntsa hu ua "1½-hauv" ntawm ntu print.20-ga.tube."
Cov yeeb nkab yog teev los ntawm cov yeeb nkab nominal loj (NPS), tus naj npawb tsis muaj qhov piav qhia txog txoj kab uas hla (hauv ntiv tes), thiab lub rooj thickness ntawm phab ntsa (los yog Sch.) Cov kav dej tuaj yeem muaj ntau yam ntawm phab ntsa thicknesses, nyob ntawm seb lawv siv.Tej zaum nrov muaj xws li Sch.5, 10, 40 thiab 80.
A 1.66 "pipe.OD thiab 0.140 ntiv tes.NPS cim cov phab ntsa ntawm daim duab kos, ua raws li lub sijhawm - qhov no, "1¼".Shi.40 hlab." Cov yeeb nkab txoj kev npaj qhia txog cov kab thiab phab ntsa tuab ntawm cov NPS thiab txoj kev npaj.
Phab ntsa qhov tseem ceeb, uas yog qhov sib piv ntawm sab nraud txoj kab uas hla thiab phab ntsa tuab, yog lwm qhov tseem ceeb rau lub luj tshib.Siv cov ntaub ntawv nyias-walled (sib npaug los yog qis dua 18 ga.) yuav xav tau kev txhawb nqa ntau dua ntawm qhov khoov arc kom tsis txhob wrinkling lossis slumping.Qhov no, zoo bending yuav tsum tau mandrels thiab lwm yam cuab yeej.
Lwm qhov tseem ceeb yog qhov khoov D, txoj kab uas hla ntawm lub raj txuas nrog lub vojvoog khoov, feem ntau hu ua qhov khoov vojvoog ntau zaus ntau dua li tus nqi ntawm D.Piv txwv li, 2D khoov lub vojvoog yog 3-hauv.-OD yeeb nkab yog 6 ntiv tes.Qhov siab dua D ntawm khoov, qhov yooj yim dua qhov khoov yog tsim.Thiab qhov qis ntawm phab ntsa yog qhov yooj yim rau kev txiav txim siab, qhov no yooj yim coefficient. yuav tsum tau pib lub yeeb nkab khoov qhov project.
Daim duab 1. Txhawm rau xam qhov feem pua ​​​​ovality, faib qhov sib txawv ntawm qhov siab tshaj plaws thiab qhov tsawg kawg nkaus OD los ntawm nominal OD.
Qee qhov kev qhia tshwj xeeb hu rau cov tubing nyias lossis cov kav dej los tswj cov nqi khoom siv.Txawm li cas los xij, cov phab ntsa nyias nyias yuav xav tau ntau lub sijhawm los tswj cov duab thiab qhov sib xws ntawm lub raj ntawm qhov khoov thiab tshem tawm txoj hauv kev ntawm wrinkling. Qee qhov xwm txheej, cov nqi zog no ntau dua cov khoom txuag.
Thaum lub raj khoov, nws tuaj yeem poob 100% ntawm nws cov duab puag ncig nyob ze thiab ib ncig ntawm qhov khoov.Qhov kev sib txawv no yog hu ua ovality thiab txhais tau tias yog qhov sib txawv ntawm qhov loj tshaj plaws thiab qhov tsawg tshaj plaws ntawm lub taub sab nraud ntawm lub raj.
Piv txwv li, 2 ″ OD raj tuaj yeem ntsuas txog 1.975 ″ tom qab khoov.Qhov 0.025 nti qhov sib txawv yog qhov ovality yam, uas yuav tsum tsis pub dhau qhov kev lees paub (saib daim duab 1). Nyob ntawm qhov kawg ntawm kev siv ntawm ib feem, kev kam rau ovality tuaj yeem nyob nruab nrab ntawm 1.5% thiab 8%.
Lub ntsiab tseem ceeb cuam tshuam rau ovality yog lub luj tshib D thiab phab ntsa thickness.Bending me me radii nyob rau hauv nyias-walled cov ntaub ntawv yuav ua tau nyuaj kom ovality nyob rau hauv kam rau ua, tab sis nws yuav ua tau.
Ovality yog tswj los ntawm kev tso lub mandrel nyob rau hauv lub raj lossis yeeb nkab thaum khoov, lossis hauv qee qhov tshwj xeeb, siv (DOM) tubing kos rau ntawm lub mandrel los ntawm qhov pib.(DOM tubing muaj nruj ID thiab OD tolerances.) Qhov qis dua qhov ovality kam rau ua, ntau lub cuab yeej thiab lub sijhawm ntau lawm yuav tsum tau.
Tube dabtsi yog khoov ua haujlwm siv cov cuab yeej tshuaj xyuas tshwj xeeb los xyuas kom meej tias cov khoom tsim tau raws li cov kev qhia tshwj xeeb thiab kev ua siab ntev (saib daim duab 2).Txhua qhov kev hloov kho uas tsim nyog tuaj yeem hloov mus rau lub tshuab CNC raws li qhov xav tau.
roll.Ideal rau kev tsim cov vojvoog loj loj, yob dabtsi yog khoov yuav tsum pub cov yeeb nkab lossis tubing los ntawm peb lub rollers nyob rau hauv ib daim duab peb sab configuration (saib daim duab 3).Lub ob txheej txheej, feem ntau tsau, txhawb nqa hauv qab ntawm cov khoom, thaum lub puab adjustable rollers nias rau saum cov khoom.
Compression dabtsi yog khoov.Nyob rau hauv no yooj yim txoj kev, cov dabtsi yog khoov tuag tseem nyob ruaj ruaj thaum lub counter-tuag khoov los yog compresses cov khoom nyob ib ncig ntawm lub fixture.Qhov no tsis siv ib tug mandrel thiab yuav tsum tau ib tug meej match ntawm lub dabtsi yog khoov tuag thiab qhov xav tau dabtsi yog khoov vojvoog (saib daim duab 4).
Twist thiab khoov.Ib hom ntawm cov yeeb nkab dabtsi yog khoov yog rotational stretch dabtsi yog khoov (tseem hu ua mandrel dabtsi yog khoov), uas siv dabtsi yog khoov thiab siab dies thiab mandrels.Mandrels yog hlau qws inserts los yog cores uas txhawb cov yeeb nkab los yog raj thaum khoov.Kev siv ib tug mandrel tiv thaiv lub raj los ntawm kev sib tsoo ntawm lub bending, thiab tiv thaiv lub raj los ntawm kev sib tsoo, thiab kev tiv thaiv. tube (saib daim duab 5).
Qhov kev qhuab qhia no suav nrog ntau lub vojvoog dabtsi yog khoov rau qhov nyuaj uas yuav tsum tau muaj ob lossis ntau dua qhov nruab nrab radii.Multi-radius dabtsi yog khoov yog qhov zoo rau qhov chaw nrog loj centerline radii (cov cuab yeej nyuaj yuav tsis yog qhov kev xaiv) lossis qhov nyuaj uas yuav tsum tau tsim nyob rau hauv ib lub voj voog puv.
Daim duab 2. Cov cuab yeej tshwj xeeb muab kev kuaj mob raws sij hawm los pab cov neeg ua haujlwm paub meej txog cov lus qhia tshwj xeeb lossis hais txog cov kev kho uas tsim nyog thaum tsim khoom.
Txhawm rau ua qhov kev khoov zoo li no, ib qho kev kos duab rotary yog muab nrog ob lossis ntau lub cuab yeej, ib qho rau txhua lub vojvoog uas xav tau. Kev teeb tsa ntawm ob lub taub hau xovxwm nres - ib qho rau khoov rau sab xis thiab lwm qhov rau khoov rau sab laug - tuaj yeem muab ob qho tib si me me thiab loj radii ntawm tib qhov chaw.Qhov kev hloov ntawm sab laug thiab sab xis ntawm lub luj tshib tuaj yeem rov ua dua, ua rau ntau lub sij hawm los yog rov ua dua. lwm yam tshuab (saib daim duab 6).
Txhawm rau pib, tus kws tshaj lij teeb tsa lub tshuab raws li lub raj geometry teev nyob rau hauv daim ntawv khoov cov ntaub ntawv lossis cov ntawv luam tawm, nkag los yog xa cov kev sib koom ua ke los ntawm kev luam ntawv nrog rau qhov ntev, kev sib hloov thiab lub kaum sab xis cov ntaub ntawv.Tom ntej no tuaj yeem khoov simulation kom ntseeg tau tias lub raj yuav muaj peev xwm tshem tawm lub tshuab thiab cov cuab yeej thaum lub sij hawm khoov lub voj voog.Yog tias qhov simulation pom tias muaj kev sib tsoo los yog kev cuam tshuam ntawm lub tshuab.
Thaum txoj kev no feem ntau xav tau rau cov khoom ua los ntawm cov hlau lossis cov hlau tsis muaj steel, feem ntau cov hlau, phab ntsa thicknesses thiab ntev tuaj yeem haum.
Kev khoov pub dawb.Ib txoj kev nthuav dav dua, kev khoov pub dawb siv qhov tuag uas yog qhov loj tib yam li cov yeeb nkab lossis lub raj yog khoov (saib daim duab 7).Cov txheej txheem no yog qhov zoo rau lub kaum sab xis lossis ntau lub vojvoog khoov ntau dua 180 degrees nrog ob peb ntu ncaj nruab nrab ntawm txhua qhov khoov (ib txwm rotational stretch bendings yuav tsum muaj qee qhov kev sib tw ncaj nraim, tsis tas yuav tshem tawm cov cuab yeej ncaj nraim. ntawm kos cov raj lossis cov kav dej.
Thin-walled tubing-feem ntau siv hauv cov khoom noj thiab dej haus, cov khoom siv rooj tog, thiab cov khoom siv kho mob lossis kev kho mob-yog qhov zoo tshaj plaws rau kev khoov dawb.Txawm li cas los xij, cov phab ntsa tuab yuav tsis yog cov neeg sib tw.
Cov cuab yeej yuav tsum tau rau feem ntau cov yeeb nkab dabtsi yog khoov tej yaam num.In rotary stretch dabtsi yog khoov, peb tseem ceeb tshaj plaws cov cuab yeej yog dabtsi yog khoov tuag, siab dies thiab clamping dies.Raws li qhov khoov vojvoog thiab phab ntsa thickness, ib tug mandrel thiab wiper tuag tej zaum kuj yuav tsum tau ua kom tau txais kev khoov.Parts nrog ntau khoov yuav tsum tau ib tug collet uas grips thiab maj mam txav mus rau lub tub rau sab nraud, thiab maj mam muab kaw. nd.
Lub plawv ntawm tus txheej txheem yog dabtsi yog khoov tus tuag los tsim lub centerline vojvoog ntawm ib feem.Qhov tuag lub concave channel tuag fits nrog lub sab txoj kab uas hla ntawm lub raj thiab pab tuav cov khoom raws li nws khoov.Tam sim no, lub siab tuag tuav thiab stabilizes lub raj raws li nws yog mob nyob ib ncig ntawm lub dabtsi yog khoov tuag.Lub clamping tuag ua hauj lwm nyob rau hauv kev sib txuas nrog cov tuag bending xovxwm. Nyob ze ntawm qhov kawg ntawm qhov khoov tuag, siv tus kws kho mob tuag thaum nws tsim nyog kom du nto ntawm cov khoom, txhawb lub raj phab ntsa, thiab tiv thaiv wrinkling thiab banding.
Mandrels, bronze alloy los yog chromed steel inserts los txhawb cov kav dej lossis cov raj, tiv thaiv lub raj tawg lossis kink, thiab txo qis ovality.Qhov ntau hom yog lub pob mandrel.Zoo rau ntau lub vojvoog khoov thiab rau cov khoom siv nrog cov qauv phab ntsa thicknesses, lub pob mandrel yog siv nyob rau hauv tandem nrog lub wiper, fixture thiab siab.Ua ke lawv ua kom lub siab xav tau los tuav, ruaj khov thiab du qhov khoov.Lub ntsaws mandrel yog ib qho khoom siv rau lub vojvoog loj loj hauv cov kav dej tuab uas tsis tas yuav tsum tau wipers.Forming mandrels yog cov khoom siv nrog khoov (los yog tsim) xaus siv los txhawb sab hauv ntawm cov phab ntsa tuab tuab lossis cov raj khoov mus rau qhov nruab nrab ntawm lub vojvoog ntawm lub vojvoog, tshwj xeeb hauv qhov kev xav tau ntxiv.
Kev khoov kom raug yuav tsum muaj cov cuab yeej tsim nyog thiab teeb tsa.Feem ntau cov yeeb nkab dabtsi yog khoov cov tuam txhab muaj cov cuab yeej hauv Tshuag.Yog tias tsis muaj, cov cuab yeej yuav tsum tau muab los ua kom haum raws li qhov tshwj xeeb khoov vojvoog.
Tus nqi pib los tsim kev khoov tuag tuaj yeem sib txawv.Qhov no ib zaug tus nqi them cov ntaub ntawv thiab lub sijhawm tsim khoom tsim los tsim cov cuab yeej tsim nyog, uas feem ntau yog siv rau cov phiaj xwm tom ntej.Yog tias qhov kev tsim ib feem yog hloov tau raws li lub vojvoog khoov, cov khoom tsim tawm tuaj yeem kho lawv cov kev qhia tshwj xeeb kom tau txais txiaj ntsig ntawm tus neeg muag khoom cov khoom siv khoov uas twb muaj lawm (tsis yog siv cov cuab yeej tshiab tam sim no).
Daim duab 3. Qhov zoo tshaj plaws rau kev tsim cov kab hluav taws xob loj loj, yob khoov los ua ib lub raj lossis lub raj nrog peb lub rollers nyob rau hauv daim duab peb sab configuration.
Cov qhov tshwj xeeb, qhov qhib, lossis lwm yam nta ntawm lossis ze ntawm qhov khoov ntxiv ib qho kev pabcuam rau txoj haujlwm, vim tias lub laser yuav tsum raug txiav tom qab lub raj yog bent.Tolerances kuj cuam tshuam rau tus nqi.Kev xav tau ntau yam haujlwm yuav xav tau ntxiv mandrels lossis tuag, uas tuaj yeem ua rau lub sijhawm teem sijhawm.
Muaj ntau qhov sib txawv manufacturers yuav tsum tau xav txog thaum nrhiav kev cai luj tshib lossis khoov.Cov khoom xws li cov cuab yeej, cov khoom siv, kom muaj nuj nqis, thiab kev ua haujlwm txhua tus ua lub luag haujlwm.
Txawm hais tias cov yeeb nkab dabtsi yog khoov cov txheej txheem thiab cov txheej txheem tau nce ntau xyoo dhau los, ntau cov yeeb nkab dabtsi yog khoov cov hauv paus ntsiab lus tseem zoo ib yam.Kev nkag siab txog cov hauv paus ntsiab lus thiab kev sab laj nrog tus neeg muag khoom paub yuav pab koj kom tau txais txiaj ntsig zoo tshaj plaws.
FABRICATOR yog North America tus thawj coj hlau tsim thiab fabrication kev lag luam magazine.Cov ntawv xov xwm muab xov xwm, cov khoom siv thiab cov ntaub ntawv keeb kwm uas ua rau cov tuam txhab ua lawv txoj haujlwm zoo dua.FABRICATOR tau ua haujlwm rau kev lag luam txij li xyoo 1970.
Tam sim no nrog kev nkag mus rau tag nrho cov ntawv digital ntawm FABRICATOR, yooj yim nkag mus rau cov khoom lag luam muaj txiaj ntsig.
Cov ntawv digital ntawm The Tube & Pipe Journal yog tam sim no nkag mus tau yooj yim, muab kev nkag tau yooj yim rau cov khoom lag luam muaj txiaj ntsig.
Txaus siab rau kev nkag mus rau tag nrho cov ntawv luam tawm digital ntawm STAMPING Journal, uas muab cov txheej txheem thev naus laus zis tshiab, kev coj ua zoo tshaj plaws thiab xov xwm kev lag luam rau kev lag luam hlau stamping.
Tam sim no nrog kev nkag mus rau tag nrho cov ntawv digital ntawm Tus Fabricator en Español, nkag tau yooj yim rau kev lag luam muaj txiaj ntsig.