Technology ntawm semi-automatic vuam nyob rau hauv gaseous ib puag ncig yog ib qho ntawm feem nrov txoj kev koom nrog hlau niaj hnub no. Cov txheej txheem no tso cai rau koj los ua cov pob qij txha zoo nrog qhov tsawg kawg nkaus ntawm kev tsis lees paub thiab kev puas tsuaj rau cov qauv sab hauv ntawm lub workpieces. Tshwj xeeb tshaj yog txaus siab yog carbon dioxide vuam, uas tshem tawm qhov xav tau ntawm flux thiab muab txawm, nruj seams.
Technology nta
Thaum ua cov roj vuam ntawm hom no, yuav luag txhua txoj haujlwm ntawm kev taw qhia ntawm arc mus rau lub hom phiaj workpiece raug tso cai. Ntawd yog, nyob rau hauv cov nqe lus ntawm kev teeb tsa cov txheej txheem los ntawm qhov pom ntawm cov txheej txheem electrode, tsis muaj qhov sib txawv tshwj xeeb los ntawm lwm txoj kev ntawm semi-automatic vuam. Tab sis muaj lwm yam uas paub qhov txawv ntawm cov txheej txheem kev teeb tsa hauv ib puag ncig carbon dioxide:
- Muaj peev xwm tsim cov seam siab nrog cov ntsiab lus tsawg kawg ntawm kev suav nrog txawv teb chaws.
- Ntauslub zog xav tau. Hais txog cov nqi hluav taws xob, qhov no yog ib txoj hauv kev kim tshaj plaws, uas tau piav qhia los ntawm cov kev xav tau siab rau kev txhawb nqa thermal ntawm arc.
- Lub peev xwm siv tsis tau tsuas yog ib nrab tsis siv neeg xwb, tab sis kuj muaj hom tsis siv neeg tag nrho.
- Koj tuaj yeem vuam nyias daim hlau siv hluav taws xob rivets.
Ntau yam nta ntawm semi-automatic carbon dioxide vuam yog vim cov yam ntxwv ntawm cov hluav taws xob arc uas yog ignited thaum vuam hlau kov lub hom phiaj. Cov txheej txheem tom qab tuav ntawm cov khoom siv nrog cov electrodes kuj hloov tau yooj yim thiab pliable rau tus neeg teb xov tooj, uas nthuav dav ntau yam ntawm kev ua haujlwm tau zoo.
Scope ntawm txoj kev
Vim qhov yooj yim thiab kev tsim khoom ntawm cov pa roj carbon dioxide thermal raug, txoj kev vuam no yog siv rau ntau qhov chaw ntawm kev tsim kho, kev lag luam thiab kev pabcuam hluav taws xob. Ntawm cov lus qhia tseem ceeb yog cov hauv qab no:
- Engineering.
- Kev tsim kho nkoj thiab kho nkoj ua haujlwm.
- Kev teeb tsa ua haujlwm.
- Kev tsim kho, kev sib txuas thiab kho cov kav dej ntawm ntau qhov ntau thiab tsawg.
- Kev tsim cov cuab yeej thiab cov khoom siv boiler.
- Metallurgy thiab, tshwj xeeb, vuam puas ntawm steel castings.
Cov tswv yim yooj yim tshaj plaws rau carbon dioxide vuam los ntawm inverters kuj tau siv dav hauv kev lag luam hauv tsev, thaum koj xav tau kev sib txuas hauv lub cev lub tsheb, kho lub ru tsev hlau lossiskho tus ncej hlau.
yam ntxwv ntawm carbon dioxide tiv thaiv ib puag ncig
Semi-automatic vuam xws li yog lub hauv paus ntawm kev kho cua sov hauv nruab nrab gaseous kuj tuaj yeem siv tau. Muaj ntau ntau txoj hauv kev thiab kev siv cov pa roj carbon dioxide tsuas yog ib qho ntawm cov kev hloov pauv ntawm cov txheej txheem dav dav. Dab tsi yog qhov sib txawv ntawm qhov kev txiav txim siab roj sib xyaw? Cov txheej txheem ua haujlwm siv cov kua roj carbon dioxide (kua kua roj), uas yog nyob rau hauv siab siab txog li 70 cua. Kev khaws cia yog nqa tawm hauv 40-liter lub tog raj kheej, tab sis hauv kev ua haujlwm (tshwj xeeb yog cov chaw taws teeb) cov thawv me me tuaj yeem koom nrog. Rau kev sib piv, 25 kg ntawm sib tov yog txaus rau 15-20 teev ntawm kev ua hauj lwm, txawm hais tias qhov tshwj xeeb noj yuav nyob ntawm lwm yam txheej txheem.
Tseem ceeb tshaj, carbon dioxide rau vuam yuav tsum muaj CO2 concentration ntawm 98%, thiab thaum ua haujlwm siab - los ntawm 99%. Qhov tseem ceeb ntawm kev txiav txim siab nyob rau hauv cov nqe lus ntawm qhov zoo ntawm cov seam yuav yog cov ya raws coefficient nyob rau hauv cov muaj pes tsawg leeg. Tshaj qhov ntsuas qhov ntsuas ntawm cov dej noo ua rau muaj kev nce ntxiv ntawm cov dej tawg. Txawm li cas los xij, txhawm rau txo qhov tshwm sim no, cov neeg siv khoom paub txog siv cov tshuab ziab khaub ncaws tshwj xeeb raws li tooj liab sulphate lossis silica gel nrog txhuas.
CO2 vuam khoom
Cov txheej txheem txheej txheem ntawm cov cuab yeej siv yooj yim thiab cov cuab yeej pabcuam rau vuam ntawm hom no muab rau cov khoom siv semiautomatic (inverter), lub zog hluav taws xob, lub thawv nrogroj sib tov thiab hlau (los yog electrodes). Cov cuab yeej siv rau semi-automatic vuam yog xaiv raws li cov yam ntxwv ntawm lub zog, lub zog tam sim no thiab kev ua haujlwm ntxiv nrog cov ntsiab lus ntawm kev tswj hwm thiab tsis siv neeg tiv thaiv overloads thiab mains overvoltage. Nws tuaj yeem hais tias qhov no yog lub hauv paus rau kev tswj hwm tag nrho cov txheej txheem. Los ntawm qhov kev pom ntawm kev cai, lub reducer rau carbon dioxide vuam kuj tseem ceeb, los ntawm cov neeg ua haujlwm tuaj yeem txo qis lossis nce cov zis siab - piv txwv li, txog li 0.5 kg / cm 2. Raws li rau cov hlau, nws yog pub los ntawm ib tug tshwj xeeb nozzle nrog ib txoj kab uas hla ntawm 15-25 mm. Rau qhov yooj yim ntawm cov txheej txheem no, nws tseem pom zoo kom muab cov rectifiers tshwj xeeb thiab tsis siv neeg pub khoom noj rau cov khoom siv.
Npaj ua haujlwm
Npaj cov dej num muaj ntau theem. Ua ntej koj yuav tsum hla cov hlau los ntawm lub tes tsho ntawm cov roj burner txuas nrog lub tog raj kheej ntawm carbon dioxide. Txhawm rau ua qhov no, lub nozzle raug tshem tawm los ntawm lub teeb, tom qab ntawd lub hau yog unscrewed thiab clamping mechanism raug tso tawm los ntawm cov hlau feeder. Tsis tas li ntawd, nyob rau hauv ib txoj hauj lwm dawb, cov hlau yog dhau los ntawm tag nrho lub tes tsho mus rau lub nozzle. Qhov no yog ua raws li los ntawm lwm txoj haujlwm - txiav txim siab qhov zoo tshaj plaws polarity ntawm tam sim no. Yuav teeb tsa cov pa roj carbon dioxide li cas raws li qhov ntsuas no? Hauv hom kev sib txuas nrog cov hlau thiab cov pa roj carbon dioxide, qhov ntxiv mus rau lub teeb, thiab qhov rho tawm mus rau qhov clamp. Nyob rau hauv no configuration, lub tshav kub tso point yuav nyob ncaj qha rau ntawm cov hlau workpiece. Polarity yuav tsum ncaj thaum siv flux-cored hlau.
Nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account lub nuances ntawm kev tswj lub siab thaum muab roj los ntawm lub reducer. Cov khoom siv ntau dhau ntawm cov khoom sib xyaw ntawm kev kub siab thaum lub sij hawm extinguishes cov nplaim taws, uas yuav tsis tso cai rau tsim kom muaj kev ruaj ntseg tiv thaiv ib puag ncig. Ntawm qhov tod tes, lub zog tsis txaus thaum thawb cov pa roj carbon dioxide nyob rau hauv qis qis yuav ua rau cov roj thaiv kev tiv thaiv tsis txaus, ua rau lub seam tsis muaj zog txaus.
txheej txheem vuam
Cov khoom siv semiautomatic txuas nrog lub network thaum txhua qhov teeb tsa ntawm lub qhov cub, lub tog raj kheej roj thiab xaim tau npaj. Tus nqi ntawm qhov xav tau polarity yog coj mus rau lub ntsiab lus ntawm convergence ntawm cov hlau thiab qhov chaw ntawm lub workpiece, tawm tsam qhov hluav taws xob arc tsim. Yuav ua li cas ua noj nrog carbon dioxide vuam? Tus neeg teb xov tooj yuav tsum ua ob txoj haujlwm. Ua ntej, tswj qhov kev pom zoo ntawm cov hlau los ntawm qhov chaw vuam kom lub arc ruaj khov thiab tsis tawg. Qhov thib ob, nws yog ib qho tsim nyog yuav tsum tau sim ua kom tsawg kawg ntawm kev sib tsoo ntawm cov yaj, txij li cov nyhuv no ncaj qha cuam tshuam rau kev tiv thaiv ntawm lub pas dej weld. Ob qho xwm txheej tau ntsib los ntawm kev sib npaug ntawm cov khoom siv roj, kev tswj xyuas siab thiab kev taw qhia kom raug. Feem ntau, nws yog ib qho tsim nyog los tiv thaiv cov seam los ntawm oxygen vim yog cov pa roj carbon dioxide ib puag ncig thiab tib lub sijhawm tsis txhob cia lub arc tawm mus vim tsis muaj zog.
Qhov zoo ntawm Technology
Txoj haujlwm tag nrho yuav zoo li kev siv thev naus laus zis ob qho tib si ntawm lub koom haum thiab kev ua tiav. Txawm li cas los xij, cov nqi zog thiab lub sijhawm raug cuam tshuam los ntawm cov txiaj ntsig hauv qab no ntawm cov tshuab carbon dioxide. Vuam:
- Kev nrawm ntawm kev tsim cov seam hauv cov ntawv nyias nyias nce ntau zaus piv rau lwm cov txheej txheem vuam semi-automatic.
- Cov qauv ntawm cov seam yog ruaj khov thiab txawm ntog - tau kawg, raug rau kev ua haujlwm zoo ntawm tus tswv.
- Vim qhov tsawg kawg nkaus deformation ntawm lub workpiece, machining ua haujlwm tom qab vuam yog xyaum tshem tawm.
- Yog tias peb piv cov thev naus laus zis nrog cov txheej txheem vuam, ces qhov zoo ntawm txoj kev no suav nrog kev tiv thaiv huab cua, muaj peev xwm ua kom pom kev tswj cov txheej txheem, tus nqi qis ntawm kev ua haujlwm thiab ergonomics.
Zaj lus
Txoj kev kho cov pa roj carbon dioxide ntawm cov hlau blanks hauv chav da dej yog qhov txaus nyiam rau ntau yam. Tab sis yuav ua li cas nws ua kom pom tseeb nws tus kheej hauv lub neej niaj hnub, vim tias nws siv yuav tsum tau npaj loj heev? Nrog koj tus kheej txhais tes, cov pa roj carbon dioxide vuam tuaj yeem siv tau los ntawm kev siv lub tshuab hluav taws xob uas raug nqi txog 8-10 txhiab rubles. Cov khoom siv pabcuam nrog cov khoom siv yuav raug nqi zoo ib yam. Kev them nyiaj rau cov nqi no yog cov seam zoo, uas yuav xav tau, piv txwv li, kho lub cev lub tsheb.
