Lub mandrel bending ua haujlwm pib nws lub voj voog. Lub mandrel raug ntxig rau hauv lub raj txoj kab uas hla sab hauv. Lub pwm bending (sab laug) txiav txim siab lub vojvoog. Lub pwm clamping (sab xis) coj lub raj ncig lub pwm bending kom txiav txim siab lub kaum sab xis.
Thoob plaws hauv ntau yam lag luam, qhov xav tau kev khoov raj nyuaj tseem txuas ntxiv mus. Txawm tias nws yog cov khoom siv hauv tsev, cov khoom siv kho mob txawb, cov thav duab rau ATVs lossis cov tsheb siv hluav taws xob, lossis txawm tias cov hlau tuav kev nyab xeeb hauv chav dej, txhua qhov project txawv.
Kev ua tiav cov txiaj ntsig xav tau yuav tsum muaj cov cuab yeej zoo thiab tshwj xeeb tshaj yog kev txawj ntse. Ib yam li lwm yam kev qhuab qhia tsim khoom, kev khoov raj zoo pib nrog lub zog tseem ceeb, cov ntsiab lus tseem ceeb uas yog lub hauv paus ntawm txhua qhov project.
Qee lub zog tseem ceeb pab txiav txim siab qhov dav ntawm cov yeeb nkab lossis cov yeeb nkab khoov project. Cov yam xws li hom khoom siv, kev siv kawg, thiab kev kwv yees siv txhua xyoo cuam tshuam ncaj qha rau cov txheej txheem tsim khoom, cov nqi koom nrog, thiab lub sijhawm xa khoom.
Lub hauv paus tseem ceeb thawj zaug yog qib ntawm qhov nkhaus (DOB), lossis lub kaum sab xis uas tsim los ntawm qhov khoov. Tom ntej no yog Centerline Radius (CLR), uas nthuav dav raws txoj kab nruab nrab ntawm cov yeeb nkab lossis lub raj kom khoov. Feem ntau, CLR nruj tshaj plaws uas ua tau yog ob npaug ntawm txoj kab uas hla ntawm cov yeeb nkab lossis lub raj. Ob npaug ntawm CLR los xam Centerline Diameter (CLD), uas yog qhov deb ntawm txoj kab nruab nrab ntawm cov yeeb nkab lossis lub raj hla lwm txoj kab nruab nrab ntawm 180-degree rov qab khoov.
Qhov ntsuas sab hauv (ID) yog ntsuas ntawm qhov dav tshaj plaws ntawm qhov qhib sab hauv cov yeeb nkab lossis lub raj. Qhov ntsuas sab nraud (OD) yog ntsuas hla thaj chaw dav tshaj plaws ntawm cov yeeb nkab lossis lub raj, suav nrog phab ntsa. Thaum kawg, qhov tuab ntawm phab ntsa raug ntsuas ntawm cov nplaim sab nraud thiab sab hauv ntawm cov yeeb nkab lossis lub raj.
Tus qauv kev lag luam rau lub kaum sab xis yog ± 1 degree. Txhua lub tuam txhab muaj tus qauv sab hauv uas yuav raws li cov khoom siv siv thiab kev paub thiab kev paub ntawm tus neeg teb tshuab.
Cov raj raug ntsuas thiab hais raws li lawv lub cheeb sab nraud thiab qhov ntsuas (piv txwv li phab ntsa tuab). Cov ntsuas feem ntau suav nrog 10, 11, 12, 13, 14, 16, 18, thiab 20. Qhov ntsuas qis dua, phab ntsa tuab dua: 10-ga. Lub raj muaj phab ntsa 0.134 nti, thiab 20-ga. Lub raj muaj phab ntsa 0.035 nti.1½ "thiab 0.035" OD tubing. Phab ntsa hu ua "1½-in" ntawm qhov luam tawm.20-ga.tube.
Cov yeeb nkab yog teev los ntawm qhov loj me ntawm cov yeeb nkab (NPS), tus lej tsis muaj qhov ntev uas piav qhia txog txoj kab uas hla (hauv nti), thiab lub rooj tuab ntawm phab ntsa (lossis Sch.). Cov yeeb nkab muaj ntau yam tuab ntawm phab ntsa, nyob ntawm lawv siv. Cov sijhawm nrov suav nrog Sch.5, 10, 40 thiab 80.
Ib lub yeeb nkab 1.66″.OD thiab 0.140 nti.NPS tau cim phab ntsa ntawm daim duab kos, ua raws li daim ntawv teem sijhawm - hauv qhov no, "1¼".Shi.40 raj." Daim ntawv qhia yeeb nkab qhia txog lub cheeb sab nraud thiab phab ntsa tuab ntawm NPS thiab daim phiaj xwm cuam tshuam.
Qhov sib piv ntawm phab ntsa, 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. Kev siv cov ntaub ntawv nyias nyias (sib npaug lossis qis dua 18 ga.) yuav xav tau kev txhawb nqa ntau dua ntawm qhov khoov arc kom tiv thaiv kev ntsws lossis kev poob qis. Hauv qhov no, kev khoov zoo yuav xav tau mandrels thiab lwm yam cuab yeej.
Lwm yam tseem ceeb yog qhov khoov D, lub cheeb ntawm lub raj xa dej piv rau lub vojvoog khoov, feem ntau hu ua lub vojvoog khoov ntau zaus loj dua tus nqi ntawm D. Piv txwv li, lub vojvoog khoov 2D yog 3-in.-OD yeeb nkab yog 6 nti. Qhov siab dua D ntawm qhov khoov, qhov yooj yim dua los tsim qhov khoov. Thiab qhov qis dua tus coefficient ntawm phab ntsa, qhov yooj yim dua los khoov. Qhov kev sib raug zoo ntawm Phab Ntsa Factor thiab Khoov D pab txiav txim siab seb yuav tsum muaj dab tsi los pib qhov project khoov yeeb nkab.
Daim Duab 1. Txhawm rau xam feem pua ​​​​​​ntawm qhov ovality, faib qhov sib txawv ntawm qhov siab tshaj plaws thiab qhov tsawg kawg nkaus OD los ntawm nominal OD.
Qee cov lus qhia txog qhov project yuav tsum tau siv cov yeeb nkab nyias dua los yog cov kav dej nyias dua los tswj cov nqi khoom siv. Txawm li cas los xij, cov phab ntsa nyias dua yuav xav tau sijhawm ntau dua los tswj cov duab thiab kev sib xws ntawm cov yeeb nkab ntawm qhov khoov thiab tshem tawm qhov muaj feem yuav ntsws. Hauv qee kis, cov nqi zog ua haujlwm nce ntxiv no ntau dua li cov khoom siv txuag tau.
Thaum lub raj khoov, nws tuaj yeem poob 100% ntawm nws cov duab puag ncig ze thiab ib puag ncig qhov khoov. Qhov kev hloov pauv no hu ua ovality thiab txhais tau tias yog qhov sib txawv ntawm qhov loj tshaj plaws thiab me tshaj plaws ntawm txoj kab uas hla sab nraud ntawm lub raj.
Piv txwv li, lub raj 2″ OD tuaj yeem ntsuas txog li 1.975″ tom qab khoov. Qhov sib txawv 0.025 nti no yog qhov ovality factor, uas yuav tsum nyob hauv qhov kev lees txais tau (saib Daim Duab 1). Nyob ntawm qhov siv kawg ntawm qhov, qhov kev kam rau ovality tuaj yeem nyob nruab nrab ntawm 1.5% thiab 8%.
Cov yam tseem ceeb uas cuam tshuam rau qhov ovality yog lub luj tshib D thiab phab ntsa tuab. Kev khoov cov radii me me hauv cov ntaub ntawv nyias nyias tuaj yeem nyuaj rau kom ovality nyob hauv qhov kam rau siab, tab sis nws tuaj yeem ua tau.
Qhov ovality yog tswj los ntawm kev muab lub mandrel tso rau hauv lub raj lossis yeeb nkab thaum lub sijhawm khoov, lossis hauv qee qhov specs, siv (DOM) tubing kos rau ntawm lub mandrel txij thaum pib. (DOM tubing muaj qhov nruj heev ID thiab OD tolerances.) Qhov qis dua qhov ovality tolerance, qhov ntau dua tooling thiab lub sijhawm ntau lawm yog qhov yuav tsum tau ua.
Kev ua haujlwm khoov raj siv cov khoom siv tshuaj xyuas tshwj xeeb los xyuas kom meej tias cov khoom tsim tau raws li cov lus qhia thiab kev kam rau siab (saib Daim Duab 2). Txhua qhov kev hloov kho tsim nyog tuaj yeem hloov mus rau lub tshuab CNC raws li qhov xav tau.
dov. Zoo tagnrho rau kev tsim cov vojvoog loj, dov dov cuam tshuam nrog kev pub cov yeeb nkab lossis cov raj xa dej los ntawm peb lub rollers hauv ib qho kev teeb tsa peb ceg (saib Daim Duab 3). Ob lub rollers sab nraud, feem ntau ruaj khov, txhawb nqa hauv qab ntawm cov khoom siv, thaum lub roller sab hauv adjustable nias rau saum cov khoom siv.
Kev khoov nias. Hauv txoj kev yooj yim no, lub pwm khoov tseem nyob ruaj khov thaum lub pwm counter-die khoov lossis nias cov khoom nyob ib puag ncig lub fixture. Txoj kev no tsis siv lub mandrel thiab xav tau qhov sib phim meej ntawm lub pwm khoov thiab lub vojvoog khoov xav tau (saib Daim Duab 4).
Ntswj thiab khoov. Ib qho ntawm cov qauv khoov raj uas siv ntau tshaj plaws yog kev khoov ncab tig (tseem hu ua kev khoov mandrel), uas siv kev khoov thiab kev nias tuag thiab mandrels. Mandrels yog cov pas hlau ntxig lossis cores uas txhawb nqa cov yeeb nkab lossis raj thaum khoov. Kev siv mandrel tiv thaiv cov yeeb nkab kom tsis txhob vau, flattening, lossis wrinkling thaum khoov, yog li tswj thiab tiv thaiv cov duab ntawm cov yeeb nkab (saib Daim Duab 5).
Qhov kev qhuab qhia no suav nrog kev khoov ntau lub vojvoog rau cov khoom nyuaj uas xav tau ob lossis ntau lub vojvoog nruab nrab. Kev khoov ntau lub vojvoog kuj zoo rau cov khoom uas muaj lub vojvoog nruab nrab loj (tej zaum yuav tsis yog qhov kev xaiv) lossis cov khoom nyuaj uas yuav tsum tau tsim ua ib lub voj voog puv ntoob.
Daim Duab 2. Cov khoom siv tshwj xeeb muab kev kuaj mob tiag tiag los pab cov neeg teb xov tooj lees paub cov lus qhia tshwj xeeb lossis daws cov kev kho uas tsim nyog thaum lub sijhawm tsim khoom.
Yuav kom ua tau hom kev khoov no, lub tshuab khoov rotary draw bender muaj ob lossis ntau dua cov cuab yeej teeb tsa, ib qho rau txhua lub vojvoog xav tau. Kev teeb tsa kev cai ntawm lub tshuab nias ob lub taub hau - ib qho rau kev khoov rau sab xis thiab lwm qhov rau kev khoov rau sab laug - tuaj yeem muab ob qho tib si me me thiab loj radii ntawm tib qho. Kev hloov pauv ntawm sab laug thiab sab xis lub luj tshib tuaj yeem rov ua dua ntau zaus raws li qhov xav tau, tso cai rau cov duab nyuaj kom ua tiav yam tsis tshem lub raj lossis koom nrog lwm yam tshuab (saib Daim Duab 6).
Yuav pib, tus kws kho tshuab teeb tsa lub tshuab raws li lub raj geometry teev nyob rau hauv daim ntawv qhia txog kev khoov lossis daim ntawv luam tawm, sau lossis xa cov coordinates los ntawm daim ntawv luam tawm nrog rau qhov ntev, kev tig thiab lub kaum sab xis. Tom ntej no yog qhov kev sim khoov kom ntseeg tau tias lub raj yuav muaj peev xwm tshem tawm lub tshuab thiab cov cuab yeej thaum lub sijhawm khoov. Yog tias qhov kev sim qhia txog kev sib tsoo lossis kev cuam tshuam, tus neeg teb xov tooj kho lub tshuab raws li qhov xav tau.
Txawm hais tias txoj kev no feem ntau xav tau rau cov khoom ua los ntawm hlau lossis hlau tsis xeb, feem ntau cov hlau lag luam, phab ntsa tuab thiab ntev tuaj yeem ua raws li.
Kev khoov dawb. Ib txoj kev nthuav dua, kev khoov dawb siv lub pwm uas loj ib yam li cov yeeb nkab lossis lub raj uas raug khoov (saib Daim Duab 7). Cov txheej txheem no zoo heev rau cov ces kaum lossis ntau lub vojvoog uas loj dua 180 degrees nrog ob peb ntu ncaj ntawm txhua qhov khoov (cov khoov ncab ib txwm xav tau qee ntu ncaj rau lub cuab yeej tuav). Kev khoov dawb tsis tas yuav clamping, yog li nws tshem tawm txhua qhov ua tau ntawm kev cim cov yeeb nkab lossis cov yeeb nkab.
Cov yeeb nkab uas muaj phab ntsa nyias nyias—feem ntau siv rau hauv cov tshuab ua zaub mov thiab dej haus, cov khoom siv rooj tog, thiab cov khoom siv kho mob lossis kev kho mob—yog qhov zoo tagnrho rau kev khoov dawb. Ntawm qhov tod tes, cov khoom uas muaj phab ntsa tuab dua yuav tsis yog cov neeg sib tw ua tau.
Cov cuab yeej siv tau rau feem ntau cov haujlwm khoov yeeb nkab. Hauv kev khoov khoov rotary, peb yam cuab yeej tseem ceeb tshaj plaws yog cov pwm khoov, cov pwm siab thiab cov pwm clamping. Nyob ntawm qhov khoov vojvoog thiab phab ntsa tuab, kuj tseem yuav xav tau lub mandrel thiab wiper pwm kom ua tiav qhov khoov tau. Cov khoom uas muaj ntau qhov khoov xav tau lub collet uas tuav thiab maj mam kaw rau sab nraud ntawm lub raj, tig raws li qhov xav tau, thiab txav lub raj mus rau qhov khoov tom ntej.
Lub plawv ntawm cov txheej txheem yog khoov lub pwm kom ua rau lub vojvoog nruab nrab ntawm qhov. Lub pwm lub qhov concave channel die haum nrog lub cheeb sab nraud ntawm lub raj thiab pab tuav cov khoom thaum nws khoov. Tib lub sijhawm, lub pwm siab tuav thiab ruaj khov lub raj thaum nws raug qhwv ncig lub pwm khoov. Lub pwm clamping ua haujlwm ua ke nrog lub pwm nias kom tuav lub raj tawm tsam qhov ncaj ntawm lub pwm khoov thaum nws txav mus. Nyob ze ntawm qhov kawg ntawm lub pwm khoov, siv lub pwm kws kho mob thaum nws tsim nyog los ua kom qhov chaw ntawm cov khoom du, txhawb cov phab ntsa raj, thiab tiv thaiv kev ntsws thiab banding.
Cov mandrels, bronze alloy lossis chromed steel inserts los txhawb cov kav dej lossis cov raj, tiv thaiv cov raj tawg lossis kink, thiab txo qhov ovality. Hom feem ntau yog lub pob mandrel. Zoo tagnrho rau ntau-radius khoov thiab rau cov workpieces nrog cov phab ntsa thicknesses txheem, lub pob mandrel yog siv ua ke nrog lub wiper, fixture thiab lub siab tuag; ua ke lawv nce lub siab xav tau los tuav, ruaj khov thiab du qhov khoov. Lub plug mandrel yog ib tug pas nrig khoom rau cov radius luj tshib loj hauv cov yeeb nkab tuab phab ntsa uas tsis xav tau wipers. Forming mandrels yog cov pas nrig khoom nrog bent (lossis tsim) kawg siv los txhawb sab hauv ntawm cov yeeb nkab tuab phab ntsa lossis cov yeeb nkab bent rau qhov nruab nrab radius. Tsis tas li ntawd, cov projects xav tau square lossis rectangular raj xav tau tshwj xeeb mandrels.
Kev khoov kom raug yuav tsum muaj cov cuab yeej thiab kev teeb tsa kom zoo. Feem ntau cov tuam txhab khoov yeeb nkab muaj cov cuab yeej hauv Tshuag. Yog tias tsis muaj, cov cuab yeej yuav tsum tau nrhiav los ua kom haum rau qhov nkhaus tshwj xeeb.
Tus nqi pib los tsim lub pwm khoov tuaj yeem sib txawv ntau. Tus nqi ib zaug no suav nrog cov ntaub ntawv thiab lub sijhawm tsim khoom uas xav tau los tsim cov cuab yeej xav tau, uas feem ntau yog siv rau cov haujlwm tom ntej. Yog tias qhov tsim ntawm qhov khoom muaj kev ywj pheej ntawm qhov nkhaus, cov neeg tsim khoom tuaj yeem hloov kho lawv cov lus qhia kom siv cov cuab yeej khoov uas twb muaj lawm ntawm tus neeg muag khoom (tsis yog siv cov cuab yeej tshiab). Qhov no pab tswj cov nqi thiab txo lub sijhawm ua khoom.
Daim Duab 3. Zoo tagnrho rau kev tsim cov khoov loj radius, dov khoov los ua ib lub raj lossis lub raj nrog peb lub rollers hauv ib qho kev teeb tsa peb ceg.
Cov qhov, qhov, lossis lwm yam ntxwv tshwj xeeb ntawm lossis ze ntawm qhov khoov ntxiv kev ua haujlwm pabcuam rau txoj haujlwm, vim tias kev txiav laser yuav tsum tau ua tom qab lub raj khoov. Kev kam rau siab kuj cuam tshuam rau tus nqi. Cov haujlwm nyuaj heev yuav xav tau cov mandrels lossis tuag ntxiv, uas tuaj yeem ua rau lub sijhawm teeb tsa ntev dua.
Muaj ntau yam uas cov chaw tsim khoom yuav tsum xav txog thaum nrhiav cov luj tshib lossis cov khoov uas haum rau lawv. Tej yam xws li cov cuab yeej, cov ntaub ntawv, qhov ntau, thiab cov neeg ua haujlwm txhua yam puav leej muaj lub luag haujlwm.
Txawm hais tias cov txheej txheem thiab cov txheej txheem khoov yeeb nkab tau nce qib ntau xyoo los xij, ntau lub hauv paus ntsiab lus ntawm kev khoov yeeb nkab tseem zoo li qub. Kev nkag siab txog cov hauv paus ntsiab lus thiab kev sab laj nrog tus neeg muag khoom paub txog yuav pab koj tau txais cov txiaj ntsig zoo tshaj plaws.
FABRICATOR yog phau ntawv xov xwm ua hlau thiab tsim khoom hauv North America. Phau ntawv xov xwm no muab xov xwm, cov ntawv sau txog kev siv tshuab thiab keeb kwm uas ua rau cov chaw tsim khoom ua lawv txoj haujlwm tau zoo dua. FABRICATOR tau pab kev lag luam txij li xyoo 1970.
Tam sim no nrog kev nkag mus rau tag nrho cov ntawv digital ntawm The FABRICATOR, nkag mus tau yooj yim rau cov peev txheej muaj txiaj ntsig hauv kev lag luam.
Cov ntawv xov xwm digital ntawm The Tube & Pipe Journal tam sim no nkag tau tag nrho, muab kev nkag mus tau yooj yim rau cov peev txheej muaj txiaj ntsig hauv kev lag luam.
Txaus siab rau kev nkag mus rau tag nrho cov ntawv digital ntawm STAMPING Journal, uas muab cov kev nce qib tshiab tshaj plaws, cov kev coj ua zoo tshaj plaws thiab cov 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 The Fabricator en Español, nkag mus tau yooj yim rau cov peev txheej muaj txiaj ntsig hauv kev lag luam.