Vuam ntawm cov khoom siv hlau thiab cov qauv yog txheej txheem txheej txheem txheej txheem uas tuaj yeem txhim kho ntau txoj hauv kev. Txoj kev tsoos suav nrog kev ua haujlwm ntawm tes. Qhov no yog ib txoj kev siv zog ua haujlwm uas ua rau nws tus kheej nrog tus nqi qis. Ib txoj hauv kev niaj hnub no yog sawv cev los ntawm kev sib txuas semi-automatic, uas pab txhawb cov haujlwm ntawm tus tswv thiab txhim kho qhov zoo ntawm seam.
Technology description
Lub hauv paus ntsiab lus ntawm semi-automatic vuam yog qhov yooj yim heev. Nyob rau hauv lub chav kawm ntawm kev ua hauj lwm, lub vuam phom yog coj mus rau lub hom phiaj cheeb tsam, tom qab uas lub workpiece melts los ntawm tshav kub ntawm lub tsim arc. Tsis zoo li lwm txoj hauv kev vuam, qhov no, cov hlau tuaj yeem ua tau ob qho tib si kev ua haujlwm ntawm cov khoom siv hluav taws xob thiab cov khoom siv muab tub lim.
Raws li kev tiv thaiv thaj chaw ua haujlwm, semi-automatic vuam thev naus laus zis muab rau kev tsim cov khoom siv hluav taws xob - tshwj xeeb, cov uas tsis tso cai nkag mus.oxygen mus rau thaj chaw kho mob. Tab sis tom qab ntawd, cov kev tswj hwm uas cov txheej txheem tshwm sim tsis muaj roj kuj yuav raug txiav txim siab. Hloov pauv, lwm cov xov xwm tiv thaiv thiab cov ntaub ntawv yuav raug ntxiv. Yog li, txhawm rau txo qis cov dej ntws ntawm cov hlau vim qhov nqus dej hauv thaj chaw ua haujlwm, silica gel lossis tooj liab sulfate yog siv, muab tso rau hauv lub dehumidifier.
Thaum kawg, tus neeg teb xov tooj tuaj yeem xav tau cov txiaj ntsig hauv qab no los ntawm thev naus laus zis:
- High workpiece tiv thaiv.
- Yooj yim hauv kev ua haujlwm nrog cov khoom siv - tus tswv tuaj yeem ua haujlwm los ntawm yuav luag txhua txoj haujlwm, vim tsis muaj kev txwv rau kev coj ua vuam.
- Cov seam yog du thiab nrog cov ntsiab lus tsawg kawg nkaus.
MIG and MAG welding method
Nyob rau hauv cov lus qhia tshwj xeeb thiab cov ntaub ntawv tswj hwm, qhov no yog li cas semi-automatic vuam siv hlau thiab gaseous xov xwm qhia. Lub hom phiaj blanks tuaj yeem yog hlau thiab txhuas alloys, txawm hais tias hauv kev xyaum siv tshuab muaj ntau yam kev siv. Yuav ua li cas semi-automatic MIG vuam txawv ntawm MAG txoj kev? Qhov tseeb, qhov sib txawv yog nyob rau hauv hom roj siv los tiv thaiv thaj chaw ua haujlwm. Piv txwv li, MIG vuam siv inert gases xws li argon thiab helium, thaum MAG ua hauj lwm nrog active nitrogen thiab carbon dioxide ib puag ncig.
Raws li kev xyaum qhia, MAG muab cov seam zoo dua thiab txhim khu kev qha dua piv rau MIG cov nyhuv, txawm hais tias ntau npaum li cas nyob ntawm qhov kev txawj ntawm tus neeg ua yeeb yam. Yog tias peb piv ob txoj hauv kev nrog MMA hom thiabTIG, ces peb tuaj yeem tham txog qhov sib npaug ntawm semi-automatic. Nws muab kev ua haujlwm zoo nrog cov seam zoo, tab sis tshwj xeeb rau kev ua haujlwm siab-precision siab lossis muab cov qauv sib koom ua ke, nws tseem tsim nyog tig mus rau lwm txoj hauv kev.
vuam hom
Cov xwm txheej sib txawv thiab lub hom phiaj kev ua haujlwm yuav xav tau siv qee yam kev ua haujlwm. Raws li kev ua haujlwm thiab kev teeb tsa cov cuab yeej siv, cov qauv hauv qab no ntawm semi-automatic vuam yog qhov txawv:
- Short Arc. Nrog rau qhov tsis tshua muaj tam sim no thiab kev ua txhaum ntawm kev txhawb nqa nyob rau hauv cov xwm txheej tam sim no tsawg txog 200 A, cov tee yaj tau pauv mus. Nyob rau hauv chav kawm ntawm kev ua hauj lwm, ib tug hlau nrog ib tug tuab ntawm 0.8 - 1.2 hli yog siv.
- Tshuaj Arc. Kev ua haujlwm yog ua ntawm lub zog tam sim no ntawm 200 A, uas ua kom muaj kev nkag siab ntau dua ntawm cov tee rau hauv cov yaj. Hlau txoj kab uas hla - ntau tshaj 1 hli. Hom no yog tsim rau tuab-walled workpieces.
- Pulse Arc. Ntawm qhov tsis tshua muaj tam sim no, qhov vuam hom no muab lub siab melting tus nqi nrog lub ntim tsawg ntawm yaj spatter. Zoo tagnrho rau stainless hlau thiab txhuas, tab sis tsuas yog tias lawv nyias.
- Pulse ntawm Pulse Arc. Cov qauv tso cai, vim yog kev tswj ntawm qhov kub thiab txias thiab theem ntawm cov dej ntws, kom tau txais cov seam muaj zog nrog lub ntsej muag du.
Tshwj xeeb rau kev ua haujlwm ntawm qhov kub thiab txias, hom tshwj xeeb ntawm semi-automatic MIG vuam nrog cov ntsiab lus tseem siv tau. Kev sib txuas ntawm cov khoom nyob rau hauv rooj plaub no tshwm sim tawm tsam keeb kwm yav dhau los ntawm qhov sib ntxiv ntawm cov yaj los ntawm cov khoom siv solder. Txoj kev no yog siv nyob rau hauvkev cob qhia thaum kho lub cev.
Vuam yam tsis muaj kev tiv thaiv roj
Tswj kev ua haujlwm ib puag ncig muab rau tus neeg teb xov tooj nrog ntau cov txiaj ntsig - ob qho tib si ntawm kev nyab xeeb thiab ua ib qho kev txhim kho cov seam zoo. Tab sis muaj cov xwm txheej raws li kev siv cov xov xwm gaseous tuaj yeem txiav txim siab hauv txoj cai. Piv txwv li, semi-automatic vuam nyob rau hauv ib puag ncig carbon dioxide tso cai rau koj los daws tau cov teeb meem ntawm kev ua steel billets, tab sis vim hais tias yuav tsum tau mus cuag ib lub tog raj kheej nrog ib tug gearbox, kev ruaj ntseg yuav tsum tau nce, uas tej zaum yuav txwv kev txwv. Hauv qhov no, nws yog qhov tsim nyog los qhia txog ob txoj hauv kev tseem ceeb los siv MIG-MAG thev naus laus zis yam tsis muaj roj:
- Vuam nrog flux-cored hlau. Cov khoom siv siv tau yog coj los ntawm lub caliper mus rau ib qho hluav taws xob arc thiab, thaum nws kub hnyiab, npog lub yaj da dej. Cov txheej txheem yog ib puag ncig tus phooj ywg thiab nyab xeeb, tab sis tsuas yog siv tau rau cov hlau mos uas tsis yog-ferrous.
- Vuam nrog flux-cored hlau. Cov khoom siv yog siv raws li kev sib xyaw ntawm siliceous thiab silicate, uas yog tsis lees paub los ntawm cov yaj thiab tsim cov yeeb yaj kiab tiv thaiv ntawm nws qhov chaw. Cov txheej txheem ua haujlwm ntawm ib qho thaiv nyob rau hauv pem hauv ntej ntawm oxygen, hloov cov pa roj carbon dioxide tib yam. Txoj kev no kuj muaj ntau qhov kev txwv vim yog lub zog qis ntawm thermal arc.
siv khoom siv
Lub luag haujlwm tseem ceeb thiab lub luag haujlwm tshaj plaws hauv kev ua haujlwm yog cov khoom siv semiautomatic - nws yogrectifier los yog inverter uas muab lub zog rau lub burner. Cov no yog cov khoom siv hluav taws xob, vim tias cov txheej txheem ntawm melting electrode yog nqa tawm nrog nws cov khoom siv rau lub pas dej ua ke. Tshwj xeeb, qhov tsis sib xws ntawm lub tshuab rau semi-automatic vuam yuav txiav txim siab qhov ntau ntawm cov hlau pub ceev thiab kev ruaj ntseg ntawm nws txoj kev txav mus los. Muaj cov qauv ntawm inverters rau kev siv hauv tsev thiab kev tshaj lij (rau 220 V thiab 380 V, feem) nrog monoblock thiab modular tsim. Koj yuav tsum tau them sai sai rau kev teeb tsa ntawm cov khoom sib txuas rau kev sib txuas ntawm tib lub qhov cub, tab sis qhov tseem ceeb tshaj plaws hauv kev xaiv yog qhov kev ua haujlwm ncaj qha ntawm cov khoom siv.
yam ntxwv ntawm cov cuab yeej
Rau kev ua haujlwm yooj yim hauv tsev hauv lub tsev nres tsheb lossis lub tsev welding Rhiav, koj tuaj yeem siv cov khoom siv hluav taws xob tsawg ntawm 4-5 kW nrog qhov siab tshaj plaws tam sim no ntawm 90-120 A. Cov qauv no muaj peev xwm ua haujlwm txaus nrog cov khoom ua haujlwm. nrog lub thickness ntawm 1.5-2 hli, txuag thaum hluav taws xob. Cov ntu kev tshaj lij sawv cev rau cov qauv nrog lub zog ntawm 14 kW thiab siab dua. Qhov kev txhawb zog tam sim no ntawm cov khoom siv no tuaj yeem ncav cuag 350 A. Rau cov dej num twg yog hom khoom siv no? Cov khoom siv hluav taws xob semi-automatic vuam yog qhov zoo rau kev siv ntau yam, uas txhais tau tias muaj peev xwm ua haujlwm rau cov hlau xws li titanium thiab npib tsib xee. Lub thickness ntawm lub workpiece nyob rau hauv cov ntaub ntawv no yuav yog 10 hli.
Dab tsi yog qhov tseem ceeb los ntawm qhov pom ntawm lub koom haum ntawm kev ua haujlwm yog lub sijhawm ntawm kev suav nrog. Nws txiav txim siab txog kev sib raug zoo ntawm lub sijhawm vuam thiab lub sijhawm so. Yog li ntawd,Nyob rau hauv cov ntaub ntawv ntawm haib inverters, koj yuav suav tau rau 6-7 feeb ntawm vuam, tom qab uas yuav tsum tau so ntawm 4-5 feeb. Rau cov khoom siv hauv tsev, lub sijhawm ua haujlwm yuav yog 1-2 feeb, thiab so - txog li 10 feeb.
Pub mechanics
Cov chav tshwj xeeb yog siv los coj cov xaim mus rau thaj chaw ua haujlwm. Lawv yog ib qho nyuaj ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob uas txhawb nqa cov txheej txheem vuam tsis cuam tshuam. Lub hauv paus ntawm tus qauv tsim yog ncaj qha tsim los ntawm cov txheej txheem pub, lub tes tsho vuam, tswj chav tsev thiab cov khoom siv rau thawj zaug thauj cov cassettes nrog cov xaim tshiab. Nyob rau tib lub sijhawm, nws yog ib qho yuam kev uas xav tias cov khoom siv ua haujlwm nrog cov khoom siv xwb. Ua tsaug rau lub tes tsho built-in, semi-automatic vuam nrog lub feeder tsim muaj kev tiv thaiv ib puag ncig. Ntawd yog, lub koom haum tshwj xeeb ntawm cov roj xa hluav taws xob los ntawm lub tog raj kheej mus rau qhov chaw vuam nrog kev pab los ntawm adapters, reducers thiab regulators tsis tas yuav tsum tau.
vuam teeb
Taw qhia rau kev xa khoom ncaj qha ntawm lub teeb kub kub rau qhov chaw ua haujlwm. Cov cuab yeej ntawm cov khoom siv no yog qhov yooj yim heev. Lub ntsiab tswj lub ntsiab yog ib tug khawm los yog ib tug neeg kho tshuab nplaim taws regulator. Nws hloov tawm phau ntawv semi-automatic vuam, kev tswj ntawm qhov kawg ntawm kev tsim cov seam yog coj los ntawm tus tswv, thiab cov txheej txheem pabcuam tau txais kev txhawb nqa los ntawm tib lub tshuab electrode mov. Thaum xaiv rab phom teeb, nws yog ib qho tseem ceeb uas yuav tau xav txog txoj kab uas hla ntawm cov hlau yuav tsum tau tuav, tam sim no (txog 650 A) thiab hom cua txias - built-in lossisthib peb los ntawm semi-automatic.
vuam hlau
Cov khoom siv tseem ceeb hauv kev ua haujlwm yog cov hlau lossis electrode. Lub thickness ntawm cov khoom no txiav txim siab uas workpieces lub tshuab semi-automatic tuaj yeem ua haujlwm nrog. Tsis tas li ntawd, txoj kab uas hla thaum kawg imposes txwv kev siv nyob rau hauv lub feeder. Cov tshuab zoo tib yam yog coj los ntawm 0.6-2 hli, tab sis kuj tseem muaj cov qauv uas tsis yog qauv, uas yog ib qho tseem ceeb rau kev txiav txim siab thaum xaiv. Cov khoom siv ntawm cov hlau kuj tseem ceeb heev. Yog hais tias semi-automatic vuam ntawm tsawg-alloy thiab tsis-alloy steels yog npaj, ces nyiam yog muab rau cov ntsiab lus tooj liab, thiab cov khoom siv txhuas cuam tshuam zoo nrog magnesium thiab silicon blanks.
Ib pab pawg tshwj xeeb yog sawv cev los ntawm cov qauv xaim hluav taws xob. Lawv qhov sib txawv yog nyob rau hauv cov ntsiab lus ntawm cov khoom siv tshwj xeeb hauv cov pas nrig (5-7%) raws li oxides thiab ntsev los ntawm alkali hlau. Qhov kev hloov kho no tso cai rau koj kom tau txais cov seam zoo thiab txo cov yaj tawg.
Thaum tag nrho cov khoom tseem ceeb ntawm cov khoom siv hluav taws xob semi-automatic vuam tau npaj tiav, koj tuaj yeem mus rau kev xaiv cov khoom siv ntxiv. Feem ntau, cov cuab yeej tiv thaiv tus kheej yuav xav tau. Hnab looj tes, khau looj plab hlaub, apron thiab daim npog qhov ncauj yog xav tau rau semi-automatic carbon dioxide vuam. Txhawm rau tiv thaiv infrared thiab ultraviolet hluav taws xob, nws raug nquahu kom siv cov ntxaij lim dej rau qhov pom. Piv txwv li, "Chameleon" hom qhov ncauj qhov ntswg yog muab nrog kev kho tus kheej tintedtsom iav, uas tsis tsuas yog tiv thaiv ob lub qhov muag, tab sis kuj nyiam hnav.
Zoo kawg
Ib qhov zoo ntawm MIG-MAG vuam tshuab yog ntau yam. Nws yog siv nyob rau hauv ob qho tib si nyob rau hauv lub domestic sphere thiab nyob rau hauv kev lag luam, nyob rau hauv kev tsim kho, thiab lwm yam. Lub koom haum technical ntawm cov txheej txheem yuav tsum muaj kev pab cuam ntau heev, tab sis rau kev ua haujlwm loj, cov kev nqis peev no ua rau lawv tus kheej. Vim li cas semi-automatic vuam nyob rau hauv shielding roj txaus nyiam rau cov neeg siv khoom hauv tsev uas tsuas yog qee zaus tig mus rau cov haujlwm no? Ua ntej tshaj plaws, qhov zoo ntawm cov seam. Raws li twb tau hais lawm, muaj ntau qhov tseeb thiab raug thev naus laus zis, tab sis qhov no, koj tuaj yeem ua tiav qhov txiaj ntsig zoo nrog qib siab ntawm kev nyab xeeb thiab yooj yim. Piv txwv li, ntau tus neeg tsav tsheb yuav khoom siv semi-automatic nrog cov khoom siv tsuas yog rau kev saib xyuas tag nrho ntawm lub cev lub tsheb. Lub peev xwm los ncaj qha vuam los ntawm ntau txoj haujlwm, tshwj xeeb, tso cai rau koj ua haujlwm nyuaj tshaj plaws thaum kho cov haujlwm.
