Yuav ua li cas mus ua noj ib tug semiautomatic txoj cai? Yuav ua li cas mus ua noj ib tug semiautomatic ntaus tsis gas?

Vuam yog ib qho ntawm feem tseem ceeb heev theem ntawm ob industrial ntau lawm thiab lag luam me me. Peb yuav tsum tsis txhob hnov qab txog lawv cov tseem ceeb nyob rau hauv lub nam txawm banal subsistence ua liaj ua teb. Nyob rau hauv tag nrho cov zaum, qhov kev vuam zoo feem ntau nyob tsis tau tsuas yog nyob rau hauv lub ua hauj lwm cia siab rau ntawm cov khoom tiav, tab sis kuj muaj kev ruaj ntseg ntawm cov neeg uas siv nws.

Tshwj xeeb tshaj yog txhim khu kev qha zoo thiab semi-automatic vuam tshuab Vuam ua nyob rau hauv inert roj cua. Koj puas paub yuav ua li cas ua noj ib tug semiautomatic? Niaj hnub no, peb cia li tham txog nws.

General tswv yim

Nyob rau hauv Feem ntau, qhov no tus txheej txheem yog ib qho ntawm ntau ntau yam ntawm lub classic arc welding. Txij thaum nws cov kuj yog ntau tshaj li hais tias ntawm lub electrode, ib tug loj ib feem ntawm lub zog tso rau hauv qhov chaw ib ncig ntawm lub arc melted weldable nto thiab tus electrode nws tus kheej, li no txoj kev ua ib tug thiaj li hu ua welded da dej.

Tom qab kev twb kev txuas tau txias thiab zakristallizuetsya tsim weld uas nyob rau tam sim no theem ntawm technology txoj kev loj hlob yog suav tias yog lub feem ntau txhim khu kev qha txoj kev sib koom hlau qhov chaw.

Cov yooj yim hauv paus ntsiab lus ntawm semiautomatic vuam

Tsis zoo li classical arc welding, nyob rau hauv qhov suav hais tias cov txheej txheem yeej muaj ob yam: cov electrode (Vuam hlau) thiab ib tug inert cov roj, uas tiv thaiv lub weld pas dej ua ke. Ua ntej ua noj ua haus semi-automatic, lub tom kawg yog ib co ntshaw kom yuav nyob rau hauv txaus qhov ntau.

Cov yav tas teeb meem tseem ceeb heev. Lub fact tias cov weld sim tag nrho cov tau txhais tau tias kom los ntawm kev sis raug zoo nrog cov surrounding ib puag ncig ntawm cov pa thaum lub sij hawm lub lag luam: firstly, txwv tsis pub ntau dross yog tsim, thiab ib tug kev twb kev txuas nto yuav far from zoo tagnrho. Secondly, nyob rau hauv lub weld hlau muaj ib tug lossis loj npaum li ntawm oxides uas cuam tshuam rau qhov zoo ntawm lub tiav lawm ob leeg. Uas yog vim li cas nyob rau hauv lub welded fact lug siv argon thiab carbon dioxide.

Ib tug schematic piav qhia ntawm lub vuam txoj kev

Yuav kom kawm tau li cas ua noj ib tug semiautomatic ntaus ntawv, nws yog tsim nyog los xav seb lub ntsiab hauv paus ntsiab lus ntawm nws ua hauj lwm.

Thaum lub sij hawm welding, electrode (hlau) kis tau los ntawm cov burner nozzle, qhov twg nws yog melted vim lub high kub ntawm lub arc. Txij li thaum lub vuam hlau yog noj tsis tu ncua, nws yog tau mus cuag qhov zoo thiab cov txheej txheem ceev. Cov kev taw qhia thiab ceev xaiv manually. Ua raws li tus nruam noj ntawm lub electrode kuj ntog mus rau lub welder. Nyob rau hauv lub thoob ntiaj teb kev faib tawm, tus txheej txheem no yog xa mus rau raws li GMAW (gas hlau arc vuam). Paub qhov txawv Vuam nyob rau hauv ib tug inert los yog active roj.

Cov yav tas yog siv nyob rau hauv cov mob uas lub zog ntawm cov hlau tsis pub mus cuag ib txhia tshwj xeeb cov yam ntxwv ntawm cov weld. Ntawm no yog yuav ua li cas ua noj semiautomatic.

Yuav ua li cas yog yuav tsum tau rau cov khoom no?

Cov khoom siv yuav tsum muaj xws li cov khoom nws tus kheej welder weld tam sim no qhov twg los, hlau feeder, thiab gas lub tog raj kheej. Devices ntawm no hom yog muaj nyob rau hauv portable versions, raws li zoo raws li ib tug chassis rau siv nyob rau hauv lub teb. Yog li ntawd kev kawm yuav ua li cas npau ib tug semiautomatic ntaus ntawv ntawm no hom yog ib qhov nyuaj rau ua hauj lwm muaj cai tsuas yog cov muaj undergone qhov tsim nyog cov lus qhia.

Yuav ua li cas yog tus yam ntxwv ntawm qhov sib txawv pa khoom ntawm no hom?

• Tus tam sim no lub dag lub zog ntawm 40 rau 600 A.
• Nyob rau hauv feem ntau arc vuam voltage no yog los ntawm 16 mus rau 40 V.
• Nyob ua ke ceev zaj feem tej zaum yuav mus txog 2 cm ib ob.
• Rau txawv hom phiaj thiab cov ntaub ntawv siv hlau uas nws thickness yog 0.5 mus rau 3 lub hli.
• Ib tug thib ob nqi no yog los ntawm 30 mus rau 250 hli electrode.
• Flow tus nqi ntawm lub inert roj yuav ncav cuag 60 litres ib feeb. Qhov tsawg kawg nkaus tus nqi yog pom tau hais tias ntws nyob rau hauv peb litres ib feeb.
• Nyob rau hauv ib vuam lub tog raj kheej yog muab tso rau 100 litres ntawm cov inert los yog reactive roj.

Nyiam tsiaj ntawm feeder

Semi-automatic vuam tshuab txawv heev nyob rau hauv lub mechanism ntawm lub ntaus ntawv rau pub tus electrode hlau, li ntawd, nyob rau ntawm lub sij hawm no yuav tsum tau elaborate. Nyob rau hauv feem ntau embodiment, ib tug voom hom: nws zoo heev simplifies tus tsim ntawm tus burner, tab sis nyob rau hauv cov ntaub ntawv no qhov ntev ntawm lub hose rau pub mis roj yog tas li mus rau peb meters. Zoo siv rub tsim: cov hose yog nyob rau hauv cov ntaub ntawv no yuav ua tau mus 20 meters.

Ua ntej yuav ib tug welder yuav tsum tau them heev ze mloog mus rau lub burner. Txij li thaum lub nozzle yog lub caij uas tsis yog ntoo tsis tau tsuas yog sai, nws yuav tsum tau raws li qualitatively manufactured. Thov nco ntsoov tias thaum lub sij hawm Vuam yuav tsum tau tas li ntxuav nws los ntawm adhering daim slag. Ua tib zoo saib rau qhov ntxeev ntawm lub xeev, raws li nyob rau hauv cov ntaub ntawv ntawm kev puas tsuaj rau lub vuam zoo dauv dramatically.

Tseem Ceeb! Ua ntej ua noj ua haus stainless steel semi-automatic, yuav hloov cov khoom siv. Nyob rau stainless steel hlau thiab yoojyim npaum li cas ntawm cov inert roj. Rau nws vuam yuav tsum tau ib tug muaj zog hluav taws xob arc, cov hlau yog xav rhuab nozzle ris tawm sai sai.

Yuav ua li cas cov ntaub ntawv yuav tsum tau siv nyob rau hauv lub chaw ua hauj lwm?

Raws li twb tau hais, cov hlau yuav siv tau los ntawm 0.5 mus rau 3 hli tuab. Tshaj nws yog thinner, qhov zoo burning ntawm lub arc, ntxaum lub allergic ntawm lub welded khoom. Nco ntsoov tias nws yog tau siv lub electrode thickness 3 hli, tab sis txhua tus "ntxiv" millimeter yuav tsum tau dab tsi rau ntxiv 100 amperes.

Inert gases tej zaum yuav siv los sis nyob hauv cov ntshiab daim ntawv los yog nyob rau hauv mixtures. Nruab nrab roj txaus yooj yim xam, paub qhov phem tshaj tawm los ntawm tso cai ntawm lub kho cheeb tsam thiab cov kev noj ntawm consumables uas yuav muab tau los ntawm phau ntawv rau cov welding.

Ib me ntsis ntawm amperage thiab voltage

Ntawm cov hoob kawm, tam sim no lub dag lub zog nyob rau hauv lub thickness ntawm cov welded cov khoom, thiab lub lub cheeb ntawm lub hlau siv. Lub thickness yog loj, ntawm qhov tob ntawm allergic ntawm cov khoom thiab zuag qhia tag nrho productivity tsawg. Qhov saum toj no voltage, ntxaum lub allergic ntawm cov hlau. Txawm li cas los, peb yuav tsum nco ntsoov hais tias qhov no tsub kom tus nqi ntawm lub hlawv cov ntaub ntawv thiab slag, thiab cov hlaws dav heev tsub kom. Lub voltage yog teem rau lub tam sim no quab yuam. Yog xav paub ntxiv muaj nyob rau hauv cov lus qhia rau cov vuam siv lub tshuab.

Cov pub tus nqi ntawm lub electrode yog teem raws li nyob rau hauv cov yam ntxwv ntawm cov khoom thiab cov yuav tsum tau weld zog. Lub vuam lub sij hawm nyob rau hauv lub thickness ntawm cov kev cob cog rua cov ntaub ntawv uas, thiab nyob rau hauv kev tsim leeg dav. Thaum cov kev kub ceev, li ntawd, peb ntseeg tau pom zoo kom ua xwb nqaim kev sib txuas vim hais tias thaum koj tau txais ib tug dav nqaws qias neeg zoo articulation thiab ib tug loj npaum li cas ntawm dross.

O roj txaus tus nqi

Cov hlau yog thicker, qhov ntau noj inert roj los tiv thaiv tus nto ntawm cov ntaub ntawv uas yuav tsum tau welded. Lower tus nqi ndlwg tej zaum yuav ntau nruj nreem nias burner nozzle mus rau lub chaw ua hauj lwm nto, los yog txo cov kev ceev ntawm lub Vuam commonplace khoom. Ceeb toom! Yog hais tias koj sib zog heev nws nrog cov kev ceev (ua nws rau lub hom phiaj ntawm productivity txoj kev loj hlob), lub nozzle ntsis tej zaum yuav mus tshaj lub weld pas dej ua ke, raug ceev oxidation thiab puas los ntawm nws.

Yog lag luam ntawm lub electrodes

lom zem ntau ruaj khov vuam txoj kev nyob rau hauv lub qhov zis thiab noj ntawm vuam hlau ceev. Tus xa ntau, lub arc yuav tsis ruaj khov. Nyob rau hauv tas li ntawd, nyob rau hauv cov ntaub ntawv no, ib tug loj loj nqi ntawm cov khoom no mus rau hauv lub scale. Qhov no yog kev lom zem ntau vim lub fact tias cov cheeb tsam ntawm lub pas dej ua ke weld yog sharply txo, lub ntsis thiab cov khoom nws tus kheej pib oxidize sai heev. Yog hais tias lub davhlau heev me me, sharply deteriorating visibility thaum lub sij hawm Vuam.

txhuas ua noj ua haus

Yuav ua li cas mus ua noj txhuas semi-automatic? Aluminium - ib tug sib inert hlau, raws li nws saum npoo muaj ib tug tuab hlau. Mus hlawv nws, koj xav tau ib tug haib arc. Lub electrode siv ib tug nyias txhuas hlau. Tas (!) Koj yuav tsum siv ib tug inert roj, raws li cov slightest nkag tau mus rau cov pa hlau instantly rov qab los.

ib qho tseem ceeb cov lus pom zoo

Yog hais tias koj noj ib tug nyias hlau, nws yog kom khaws cov leeg los ntawm sab saum toj mus rau nram qab. Lub leeg yog tsim nyog los ua raws li nyias li sai tau, txij thaum nyob rau cov ntaub ntawv no nws thickness yog roughly tib on ob sab. Yog hais tias koj ua sab heev articulation, nws yuav tsis yog yuav tsum tau kom tsis txhob hlawv-los ntawm cov ntaub ntawv uas. Yuav kom tiv thaiv txhob lwj ntawm cov khoom, nws yog pom zoo kom nce vuam ceev, thaum uas txo lub voltage ntawm lub vuam tam sim no.

Nyob rau hauv cov ntaub ntawv uas, thaum koj ua noj ua haus nyob rau hauv lub thaub qab cov ntaub ntawv uas lub hauv paus, muab ntau li ntau tau ntawm nws nruj pressing. Lub fact tias cov arc yog heev xav heats cov hlau, uas ua nyob rau hauv nws tsawg thickness los xij pib khoov npaum li cas vim thermal deformation. Yuav kom txo tau cov tsos ntawm no lub cev ua hauj lwm, khoov cov pob qij txha ntawm lub sab hauv ob sab phlu. Yog li ntawd yuav ua li cas ua noj semiautomatic no txoj kev yuav tsis yooj yim, siv sij hawm ib tug ob peb xeem welds ua ntej ua hauj lwm.

Yog hais tias yog lub hauv paus hlau ntawm ntau tshaj li 1.5 hli nyob rau hauv thickness, tswv yim mus rau tsim ua hauj lwm rau tus luj. Yog li xav kom muab lub electrode nyob rau hauv ib ntsug txoj hauj lwm, coj nws raws nraim nyob rau hauv da dej. Vuam hlau thickness ntawm 1.3 mus rau 2 millimeters, xaiv hom ntawd hais tias cov leeg tau nyiaj pab ntau tshaj ntawm ib tug zaj. Ua ntej yuav ua li cas ua noj ib tug semiautomatic tshuab, nco ntsoov yuav tau kho cov ntsiab lus ntawm txhua lwm yam, kos tus cim rau Scope ntawm ua hauj lwm: hauv lub cev yog ib qho yooj yim mus mess up, ces nws yog tsim nyog los ua hauj lwm zoo zoo heev.

Yog hais tias qhov khoob ntawm tus neeg mob-haum qhov chaw loj heev, nws yog pom zoo kom mus raws li nram no: raws li Weld rau sab saum toj cia, xyaum ua tej yam nrog variations ntawm lub hwj chim, raws li zoo raws li ntawm lub sij hawm rau lub sij hawm kom txhob muaj cov ua hauj lwm, muab lub tiav lawm seem kom tau muaj zog. Peb nco qab ib zaug ntxiv: ua ntej kom noj ib semiautomatic ntaus ntawv, nws yog ntshaw kom hloov lub ntsiab lus ntawm txhua lwm yam. Koj yuav siv heev ib ntsis lub sij hawm, tab sis lub vuam txoj kev yuav sai npaum li cas.

Ua noj hlau tsis muaj kev siv ntawm inert gases

Tag nrho cov saum toj no yog siv tau rau Vuam co nyob rau hauv lub inert roj ib puag ncig. Tab sis koj ua dab tsi nyob rau hauv cov ntaub ntawv uas thaum koj tsuas tsis muaj lub peev xwm los yog cov kev pab los yuav thooj voos kheej kheej li semiautomatic ua noj ua haus tsis muaj roj? Tshwj xeeb tshaj yog rau cov neeg mob, manufacturers tsim tshwj xeeb hom Vuam hlau.

Thaum nws raug yuav siv tau ob hom kev kawm: nias ntawm ib tug nyias hlau raj los yog cov flux Cheebtsam teeb nws ncaj qha mus rau hauv lub hlau electrode.

Yuav ua li cas zoo lub hlau? Tag nrho cov teeb meem nyob rau hauv physics: Thaum ib tug hluav taws xob paug pib rau yaj nyob ib ncig ntawm lub weld da dej huab tsim los ntawm cov neeg tebchaw uas yog ib feem ntawm lub flux. Yog li, lub inert pa roj yog hloov classic vim burnt flux tiv thaiv lub weld khoom yog tsis heev npaum li cas.

Ntawm no yog yuav ua li cas ua noj tsis muaj roj semiautomatic.

Ib me ntsis me ntsis txog kev ruaj ntseg

Peb tsab xov xwm yuav tsis tau ua kom tiav yog hais tias peb tsis tau hais txog cov neeg muaj kev ruaj ntseg uas yuav tsum tau. Nco qab tias tus kab mob TB thaum lub sij hawm arc vuam yuav tsum tau cov creation ntawm yam tsawg kawg kaum-tiv thaiv cheeb tsam ib ncig ntawm lub jobsite. Yog hais tias qhov kev ncua deb yog qhov tsawg, ces muaj cov neeg tiag yuav raug mob loj heev kev kub nyhiab ntawm lub retina. Yog xav paub ntxiv txog cov kev cai thiab cov kev cai, yuav tsum ua tib zoo nyeem cov lus qhia nyob rau hauv koj cov khoom.

Specialist tas yuav tsum tau siv koj tus kheej tiv thaiv cov khoom, ua tib zoo tshawb xyuas tag nrho cov khoom muaj nyob rau ua ntej koj pib. Nws yog nruj me ntsis txwv tsis pub yuav pib welding, yog tias kuaj tau tsawg kawg yog ib cov neeg kho tshuab los yog hluav taws xob tsis ua hauj lwm. Nco ntsoov tias lub vuam ua hauj lwm yog ib qhov chaw uas muaj zog txaus ntshai ntawm hluav taws.

Txij li thaum ua noj ua haus Semiautomatic vuam cov khoom no feem ntau yog tsim nyog nyob rau hauv tej thaj chaw muab tshem tawm los ntawm lub cheeb tsam ntawm chaw ua hauj lwm tag nrho cov combustible khoom.

tshawb pom

Nyob rau hauv xaus, nws yuav tsum tau hais tias qhov zoo ntawm cov weld tau yog tiag tiag siab xwb nyob rau hauv lub rooj plaub uas tus nplaim lub qhov chaw ua ntej ua hauj lwm ua tib zoo txiav los ntawm cov av thiab roj. Nyob rau hauv tas li ntawd, cov loj loj luag hauj lwm ua si los ntawm qhov tseeb qhov chaw ntawm cov khoom: yog hais tias koj sib zog heev nws nrog lub hwj chim, yuav hlawv los ntawm cov ntawv txheeb ntawm hlau. Xaiv ua lub chaw ua hauj lwm qeeb - yuav tsis muaj tseeb ntau pob qij txha thiab cov tsos ntawm loj nyiaj ntawm cov dross.

Thaum kawg, tsis tsuas yoojyim hlau ib feem ntawm nws tus kheej. Raws li peb hais saum toj no, lub scale txhawb mus rau thaum ntxov coj ntawm lub burner nozzle, thiab lwm yam tseem ceeb cov ntsiab lus ntawm cov vuam siv lub tshuab. Nws yog ib qho tseem ceeb rau koj nco ntsoov qhov no ua ntej koj ua noj semiautomatic tshuab: ib tug tshwj xeeb hlau lub cev thickness yog sib txawv, li ntawd nws muaj peev xwm hlawv los ntawm.