Vuam ntawm cov hlau yog feem ntau ntawm kev koom nrog lawv hauv ntau yam kev lag luam (kev tsim kho, kev siv tshuab engineering, tso cov kav dej, thiab lwm yam). Nyob rau hauv lub neej txhua hnub (nyob rau hauv tsev, nyob rau hauv lub teb chaws, nyob rau hauv lub chaw nres tsheb), peb kuj tau ntsib nrog qhov yuav tsum tau siv hlau vuam. Rau ib tus kws tshaj lij, txoj haujlwm no zoo li tsis nkag siab, nyuaj thiab tsis meej. Ntxiv mus, nws yog txuam nrog ib qho kev pheej hmoo rau lub neej.
Cia saib seb qhov no puas muaj tseeb. Yuav ua li cas welding hlau los ntawm hluav taws xob vuam?
Nyob hauv kev lag luam niaj hnub no muaj ntau yam vuam tshuab, inverter, cov cuab yeej tiv thaiv rau vuam. Lawv muaj rau txhua tus, yog li ntawd, los ntawm kev yuav khoom tsim nyog, koj tuaj yeem ua cov haujlwm vuam no koj tus kheej. Nws tsuas yog yuav tsum tau kawm paub tias cov cuab yeej siv hlau vuam yog dab tsi, qhov yuav tsum tau muaj kev nyab xeeb yog dab tsi. Tsis tas li ntawd, ib tug yuav tsum tau txais kev xyaum vuam tsim nyog.
Types of metal welding
Nyob rau hauv peb lub sijhawm, ntau yam kev siv tshuab tau tsim los rau kev vuam hlau. Piv txwv li, koj tuaj yeem siv hluav taws xob thiab laser hluav taws xob, txuas cov khoom nrog cov nplaim taws thiab ua noj nrog ultrasound. Tab sis qhov siv zog tshaj plaws yog qhov hluav taws xob arc.
Yuav ua li cas vuam hlau kom raug? Vuam ntawm cov hlau siv hluav taws xob vuam tshuab los yog inverters hais txog hluav taws xob arc vuam, nyob rau hauv uas tau txais qhov kub siab nyob rau hauv vuam cheeb tsam tsim nyog rau melting cov hlau thiab tau txais ib tug muaj zog txuas seam yog tiav los ntawm ib tug hluav taws xob arc (txog 7000 degrees Celsius) muaj peev xwm. ntawm melting tej hlau.
kev ruaj ntseg
Thawj qhov uas koj yuav tsum tau txhawj xeeb ua ntej koj yuav vuam cov hlau zoo yog koj tus kheej kev nyab xeeb thaum ua haujlwm. Npaj thiab hnav khaub ncaws tiv thaiv (tso ris tsho, tsho, khau ruaj ntseg, suede lossis hnab looj tes tawv). Nws yuav tiv thaiv koj ntawm kev kub nyhiab yog tias muaj peev xwm splashing ntawm molten hlau. Koj yuav tsum tau npaj lub npog ntsej muag tshwj xeeb lossis cov ntaub thaiv npog - qhov no yuav tiv thaiv koj ob lub qhov muag los ntawm kev puas tsuaj los ntawm lub teeb hluav taws xob ntawm arc vuam.
Koj kuj yuav tsum txhawj xeeb txog kev nyab xeeb hluav taws - tshem tawm tag nrho cov khoom siv hluav taws xob thiab cov kua dej los ntawm qhov chaw vuam, npaj cov tshuaj tua hluav taws rau kev siv (thaum tsis muaj kev tshwj xeeb, txawm tias lub thoob dej yuav ua), xyuas kom qhov cua ntawm chav tsev uas yuav ua haujlwm, tshwj xeeb tshaj yog los ntawm lub hauv ntej thiab sab nraum lub tshuab vuam.
Yuav tsumnyeem cov lus qhia rau kev siv lub tshuab vuam thiab ua raws li tag nrho cov lus pom zoo muab rau ntawd.
Kev Nyab Xeeb Hluav Taws Xob
Ua ntej sim xyaum yuav ua li cas vuam hlau, koj yuav tsum ua kom paub tseeb tias qhov tsis sib xws ntawm cov khoom siv hluav taws xob uas lub tshuab vuam siv tau ua tau raws li qhov xav tau. Txwv tsis pub, lwm yam khoom siv hluav taws xob txuas nrog lub network yuav raug puas tsuaj, tsis yog rau koj, tab sis kuj rau koj cov neeg nyob ze. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau cov tshuab welding transformer, uas cuam tshuam rau lub zog hluav taws xob network los ntawm qhov muaj hluav taws xob nce siab thaum pib vuam thiab nce hluav taws xob tam sim no thaum lub electrode sticks ntawm qhov chaw vuam. Tsis tas li ntawd, lub tshuab vuam yuav tsum tau muab tso rau kom nws tsis tuaj yeem poob, ua rau nws tus kheej puas tsuaj lossis ua rau lwm tus neeg thiab cov khoom puas tsuaj thaum ua haujlwm. Cov xov hlau txuas nrog lub cuab yeej yuav tsum muaj cov rwb thaiv tsev zoo, tau raug ncaj. Kev puas tsuaj yuav tsum raug cais tawm.
txheej txheem npaj ua haujlwm
Yuav ua li cas vuam hlau kom raug? Qhov chaw yuav tsum tau welded yuav tsum tau muab ntxuav rau cov hlau, qhuav. Nws yog txwv tsis pub ua welding ua hauj lwm nyob rau hauv cov huab cua ntub, nyob rau hauv los nag thiab nyob rau hauv huab cua kub tsis zoo. Vuam tshuab thiab electrodes yuav tsum tsis pub kom ntub.
Yuav ua li cas vuam hlau nrog hluav taws xob vuam?
Vuam yog nqa tawm ntawm qhov hluav taws xob tas li lossis ntawm qhov hluav taws xob hloov pauv. Transformer welding tshuab muab vuam nrog alternating voltage.
Thaum welding nrog ncaj qha tam sim no, muaj ob txoj hauv kev rau kev txuas lub tshuab vuam. Thaum qhov ntxiv txuas nrog rau qhov loj, thiab qhov rho tawm mus rau lub electrode (qhov no yog hu ua ncaj polarity), cov hlau heats li ntau dua, lub melting cheeb tsam yog tsim tob thiab nqaim. Qhov kev suav no yog siv thaum vuam tuab hlau thiab ua rau kev siv nyiaj txiag ntawm electrodes. Nrog rau qhov kev sib koom ua ke (rov qab polarity), cov electrode heats ntau zog thiab noj sai dua, qhov chaw melting hloov mus rau qhov dav thiab ntiav. Yog li ntawd, rov qab polarity tsuas yog siv thaum vuam nyias nyias ntawm cov hlau.
Disinctive nta ntawm inverters
Yuav ua li cas ua hlau nrog lub inverter? Inverter vuam tshuab hloov pauv qhov hluav taws xob hloov pauv ntawm kev lag luam network rau hauv lub tsheb ciav hlau mem tes ntawm ntau zaus thiab tom qab ntawd tsim cov hluav taws xob ncaj qha tam sim no. Vim tias muaj cov hluav taws xob hluav taws xob uas siv cov kev hloov pauv no, lub inverter muaj qhov cuam tshuam me ntsis ntawm lub zog hluav taws xob thaum lub sijhawm ua haujlwm, muaj kev hloov kho kom yooj yim ntawm cov zis hluav taws xob, thiab muaj qhov hnyav thiab qhov ntev. Nyob rau hauv cov nqe lus ntawm qhov zoo ntawm lub resulting vuam seam, lub inverter yog tsis inferior rau lwm yam khoom zoo sib xws. Yog li ntawd, welding inverters tsis ntev los no tau nthuav dav heev, thaum tus nqi rau cov khoom siv no tau txo qis. Qhov zoo ntawm cov cuab yeej zoo li no yog qhov sib txheeb yooj yim ntawm kev siv thaum vuam.
Yuav ua li cas xaiv lub inverter
Ib qho tseem ceeb ntawm lub inverter yog lub sijhawm thauj khoom (PV) ntawm qhov tam sim no. Tus nqi nocharacterizing lub efficiency ntawm lub inverter, qhia qhov piv ntawm vuam lub sij hawm rau idle lub sij hawm. Cov khoom siv hauv tsev tsis ua haujlwm tas li. Lawv yuav tsum tau txias cia ib ntus. Yog li, lub voj voog ua haujlwm inverter ntawm 30% txhais tau hais tias tom qab txhua 3 feeb ntawm vuam, koj yuav tsum tau tos 7 feeb rau qhov chaw txias. Yog tias koj sim ua haujlwm txuas ntxiv yam tsis muaj kev cuam tshuam, chav tsev yuav hlawv tawm. Los yog kev tiv thaiv yuav ua haujlwm, thiab nws yuav tua. Yog li, koj yuav tsum xaiv lub inverter nrog lub voj voog ua haujlwm tsawg kawg 60% thiab qhov siab tshaj plaws tam sim no tsawg kawg yog 140 - 160 A.
Npaj ua haujlwm nrog lub inverter
Kom tau txais kev paub txog yuav ua li cas vuam hlau zoo nrog lub inverter, nws raug nquahu kom ua haujlwm nrog hlau yam tsawg 2-3 hli tuab thaum xub thawj thiab siv 3 hli electrodes. Nws yog qhov zoo dua los yuav cov electrodes tshiab. Laus, stale, qiv los ntawm lwm tus yuav ua rau ntub thiab siv tsis tau.
Yuav ua li cas vuam hlau kom raug? Yog tias qhov no yog koj qhov kev paub thawj zaug, thawj zaug sim seam saum npoo ntawm ib daim hlau yam tsis tau vuam nws mus rau lwm daim.
Cia peb xav txog qhov ua ntu zus.
Ua ntej, koj yuav tsum tau txuas lub electrode rau nws lub tuav, thiab cov av xaim rau lub workpiece yuav tsum tau welded siv lub davhlau ya nyob twg. Lwm qhov kawg ntawm cov xov hlau yuav tsum tau txuas nrog cov zis ntawm lub inverter hauv qhov polarity ncaj.
Thib ob, koj yuav tsum tau qhib lub tshuab thiab teeb tsa nws cov khoom tso tawm raws li cov lus pom zoo, nyob ntawm qhov tuab ntawm cov khoom yuav tsum tau welded thiab xaiv electrode loj.
Cov thev naus laus zis ntawm vuam hlau muab rau kom sov cov hlau mus rau qhov kub uas tsim nyog kom tau txais cov vuam zoo, nws yog ib qho tsim nyog yuav tsum tau siv cov khoom siv electrode sib haum rau cov thickness ntawm cov khoom. Lub thicker tom kawg, qhov ntau dua cov txheej ntawm cov hlau nws tuaj yeem ua kom sov thiab qhov ntau dua qhov tam sim no yuav tsum tau teem rau ntawm lub inverter los ua ib qho hluav taws xob arc. Nyob rau tib lub sijhawm, qhov tam sim no ntau dua, cov hlau melts sai dua thiab siv cov electrode sai dua. Rau ib txheej nyias ntawm cov hlau nyob rau hauv siab tam sim no thiab ib tug tuab electrode, qhov feem ntau tsim, cov khoom kub hnyiab tau los ntawm. Yog tias qhov tam sim no qis dhau lawm, txawm tias qhov hluav taws xob arc tsis tshwm sim, lossis, yog tias nws tshwm sim, qhov tsis zoo ntawm seam tau txais, qhov thiaj li hu ua non-burnout.
Qhov thib peb yuav tsum tau them rau yog qhov tsim ntawm hluav taws xob arc. Ua li no, ntaus qhov kawg ntawm cov electrode ntawm qhov chaw yuav tsum tau welded, zoo li ib tug match ntawm ib lub thawv, tsis tas yuav tshem tawm qhov kawg ntawm cov electrode los ntawm cov hlau. Thaum ib qho arc tshwm sim, ib qho chaw liab ua rau ntawm cov hlau. Tab sis qhov no tseem tsis tau molten hlau, tab sis tsuas yog ib tug flux tsim thaum lub sij hawm melting ntawm hmoov plhaub ntawm lub electrode. Peb yuav tsum tau tos, tuav qhov kawg ntawm lub electrode ntawm ib tug deb ntawm 1-4 hli los ntawm cov hlau nto, kom txog rau thaum cov hlau nyob rau hauv qhov chaw ntawm lub arc yog rhuab mus txog rau thaum tsim lub thiaj li hu ua weld pas dej ua ke - ib tug poob ntawm molten hlau., tus cwj pwm los ntawm cov xim txiv kab ntxwv ci ntsa iab thiab tshee hnyo los ntawm qhov ntws ntawm tam sim no.
Thib plaub, nws yog ib qho tsim nyog yuav tsum txav qhov kawg ntawm electrode mus rau lub seam los ntawm ib los yog ob millimeters, dua tuav nws ntawm qhov qhia.nrug ntawm hlau. Ntxiv dua thiab, tos rau qhov poob rau hauv daim ntawv, thiab lwm yam, txav raws cov weld ua. Thaum lub electrode kov cov hlau nto, ib tug luv luv Circuit Court yog tsim, lub arc ploj, lub inverter tig tawm tam sim no. Yog li ntawd, thaum ua ib tug seam, ib tug yuav tsum tau sim kom ib tug tas li nyob deb ntawm qhov kawg ntawm lub electrode thiab cov hlau nto, maj mam nqa lub electrode los ze zog mus rau nws thaum nws hlawv. Es tsis txhob, cov electrode tsis hlawv tawm, tab sis melts, cov hlau nyob rau hauv lub vuam pas dej ua ke yog tsim los ntawm cov hlau core ntawm lub electrode. Cov hmoov txheej ntawm cov electrode nto, thaum yaj, tsim cov flux thiab gases uas tiv thaiv cov pa oxygen los ntawm cov huab cua ib puag ncig mus rau qhov chaw vuam thiab oxidation ntawm cov hlau, nrog rau kev pab cov txheej txheem ntawm kev tsim cov vuam zoo..
Thaum lub sij hawm vuam, nws raug nquahu kom tuav lub electrode ntawm lub kaum sab xis ntawm 30 degrees los ntawm qhov perpendicular mus rau qhov yuav tsum tau welded nyob rau hauv thiaj li yuav tsim ib tug compact weld pas dej ua ke, thiab koj muaj peev xwm kom meej meej pom qhov chaw. vuam. Qhov ntau lub electrode yog inclined mus rau lub workpiece thaum lub sij hawm vuam txheej txheem, qhov ntau elongated qhov chaw ntawm cov rhuab hlau nto yuav nyob rau hauv lub opposite kev taw qhia thiab lub sij hawm ntev tsim ntawm lub weld pas dej ua ke ntawm tib lub zog tam sim no. Qhov nqaim tshaj plaws ntawm cov hlau melting yog ua tiav thaum lub electrode yog perpendicular rau hlau nto. Tab sis nyob rau hauv cov ntaub ntawv no, nws yog ib qho nyuaj rau welder los soj ntsuam cov txheej txheem vuam. Yog li ntawd, txoj hauj lwm no tsuas yog siv thaum vuam nyob rau hauv qhov chaw nyuaj mus txog.
Yuav ua li cas vuam hlau nrog lub inverter?
Tau xyaum ua qhov vuam ntawm qhov chaw yooj yim, koj tuaj yeem pib txuas cov hlau. Cov txheej txheem zoo sib xws, qhov txawv yog tias qhov yuav tsum tau welded thawj zaug yuav tsum tau kho nyob rau hauv txoj cai qhov chaw nrog ib tug clamp los yog nyob rau hauv lwm txoj kev, thiab thaum lub weld pas dej ua ke tshwm, txav qhov kawg ntawm lub electrode tsis ncaj qha mus rau lub seam, tab sis. nyob rau hauv zigzag txav los ntawm qhov chaw ntawm seam mus rau thawj ib, ces lwm yam ntsiab lus, maj mam tsiv raws seam, txuas lawv nyob rau hauv no txoj kev.
Qhov tseem ceeb yog qhov kev vam meej los ntawm kev paub. Los ntawm kev yuav nws, tsis txhob siv cov kev pabcuam ntawm cov kws tshaj lij thib peb (rau cov nyiaj ntau heev), koj tuaj yeem kawm paub yuav ua li cas vuam nrog koj tus kheej tes. Hmoov zoo nrog koj txoj kev kawm thiab kev ua haujlwm!
