Yuav Siv Cov Hlau Pub Welder li cas (Cov Lus Qhia Pib Pib)

Thaum kawg ntawm phau ntawv qhia no, koj yuav tsum paub yuav ua li cas thiaj li siv tau cov hlau pub welder.

Wire-fed welders yog ib txoj hauv kev zoo tshaj plaws los koom nrog cov hlau nyias thiab tuab, thiab paub siv lawv li cas tuaj yeem pab koj ua tiav qhov kev vam meej. Kawm yuav ua li cas siv lub tshuab xaim pub vuam tsis yog qhov nyuaj. Tab sis muaj qee yam, xws li hom roj thiab lub kaum sab xis ntawm kev sib hloov, uas, yog tias tsis tau kawm kom raug, tuaj yeem ua rau muaj teeb meem ntau.

Hmoov tsis zoo, ntau tus neeg tsis siv sijhawm los kawm kom ntxaws thiab ua rau lawv tus kheej raug mob lossis ua haujlwm tsis zoo.

Feem ntau, kom siv cov hlau pub vuam tshuab kom zoo, ua raws li cov kauj ruam no.

Txuas cov hlau pub vuam tshuab rau lub qhov hluav taws xob tsim nyog.
Tig rau ntawm lub tog raj kheej roj thiab tswj cov roj ntws kom raug (CFH).
Tshawb xyuas lub phaj steel thiab txiav txim siab qhov tuab ntawm cov khoom.
Txuas cov av clamp rau lub rooj vuam thiab hauv av.
Teem kom raug ceev thiab voltage ntawm lub tshuab vuam.
Hnav tag nrho cov cuab yeej tiv thaiv tsim nyog.
Muab rab phom vuam rau ntawm lub kaum sab xis kom raug.
Xaiv koj cov txheej txheem vuam.
Nias lub pib hloov nyob rau ntawm lub vuam phom.
Tsim nyog pib lub burner ntawm steel daim hlau.

Peb mam li mus rau hauv ntau yam hauv qab no.

Lub tshuab xaim pub vuam tshuab ua haujlwm li cas?

Wire-fed welders tsim welds siv txuas txuas-fed hlau electrodes. Cov electrodes nkag mus rau hauv cov cav tov nrog kev pab los ntawm ib tug tuav electrode. Cov txheej txheem hauv qab no tau pib thaum lub tshuab hluav taws xob hloov ntawm lub tshuab hluav taws xob raug nias.

Cov khoom siv hluav taws xob yuav pib ua haujlwm
Cov cutscenes tseem yuav pib tib lub sijhawm.
Lub caij nplooj ntoos hlav arch yuav pib ua haujlwm
Cov pa roj yuav pib ntws
Rollers yuav pub cov hlau

Yog li, nrog rau qhov kub hnyiab, cov hlau electrode thiab lub hauv paus hlau yuav pib yaj. Ob txheej txheem no tshwm sim ib txhij. Raws li qhov tshwm sim ntawm cov txheej txheem no, ob lub hlau yuav yaj thiab tsim ib qho kev sib koom ua ke. Kev tiv thaiv cov hlau los ntawm kev kis kab mob ua lub luag haujlwm ntawm kev tiv thaiv roj.

Yog tias koj paub txog MIG vuam, koj yuav nkag siab tias cov txheej txheem zoo sib xws. Txawm li cas los xij, kev siv cov vuam zoo li no yuav tsum muaj kev txawj ntse thiab cov cuab yeej tsim nyog.

Dab tsi koj yuav tsum paub ua ntej siv Hlau Feed Welder

Ua ntej peb txav mus rau kev txiav, nws yog ib qho tseem ceeb kom paub txog cov txheej txheem ntawm cov hlau pub vuam tshuab. Kev nkag siab zoo ntawm cov txheej txheem no yuav pab tau koj thaum vuam.

Kev Tswj

Thaum nws los txog rau cov lus qhia, koj tuaj yeem xaiv los ntawm ob txoj kev xaiv. Koj tuaj yeem rub lossis thawb. Ntawm no yog ib qho yooj yim piav qhia txog lawv.

Thaum koj nqa rab phom vuam ntawm koj thaum vuam, cov txheej txheem no hu ua txoj kev rub. Thawb rab phom vuam tawm ntawm koj yog lub npe hu ua cov txheej txheem thawb.

Txoj kev rub yog feem ntau siv nyob rau hauv flux-cored hlau thiab electrode vuam. Siv cov txheej txheem thawb rau cov hlau pub welder.

Tswv yim: Rau MIG welder, koj tuaj yeem siv txoj kev thawb lossis rub.

Lub kaum sab xis ua haujlwm

Kev sib raug zoo ntawm cov welder lub workpiece thiab lub axis ntawm electrode yog hu ua lub kaum sab xis ua haujlwm.

Lub kaum sab xis ua haujlwm yog nyob ntawm qhov sib txuas thiab hom hlau. Piv txwv li, lub kaum sab xis ua haujlwm yuav txawv nyob ntawm seb hom hlau, nws thickness, thiab hom kev sib txuas. Thaum xav txog cov xwm txheej saum toj no, peb tuaj yeem paub qhov txawv ntawm plaub txoj haujlwm vuam sib txawv.

txoj hauj lwm tiaj tus
Kab rov tav txoj hauj lwm
Txoj hauj lwm ntsug
Overhead txoj hauj lwm

Lub kaum sab xis rau ntau hom kev sib txuas

Rau lub pob tw, lub kaum sab xis yog 90 degrees.

Tuav lub kaum sab xis ntawm 60 txog 70 degrees rau kev sib koom tes.

Tuav lub kaum sab xis 45 degree rau T-joints. Tag nrho peb cov pob qij txha no nyob rau hauv txoj hauj lwm kab rov tav.

Thaum nws los txog rau txoj haujlwm kab rov tav, lub ntiajteb txawj nqus plays lub luag haujlwm tseem ceeb. Yog li, khaws lub kaum sab xis ua haujlwm ntawm 0 txog 15 degrees.

Tuav lub kaum sab xis ua haujlwm ntawm 5 txog 15 degrees. Cov hauj lwm overhead yog me ntsis nyuaj los daws. Tsis muaj lub kaum sab xis ua haujlwm tshwj xeeb rau txoj haujlwm no. Yog li siv koj qhov kev paub dhau los rau qhov no.

Lub kaum sab xis mus ncig

Lub kaum sab xis ntawm lub vuam teeb thiab qhov vuam hauv lub phaj yog hu ua lub kaum sab xis mus ncig. Txawm li cas los xij, lub phaj yuav tsum ua tib zoo sib xws rau cov kev taw qhia ntawm kev mus ncig. Feem ntau cov welds tuav lub kaum sab xis ntawm 5 thiab 15 degrees. Nov yog qee qhov txiaj ntsig ntawm qhov tseeb lub kaum sab xis ntawm kev txav mus los.

Ua kom tsawg spatter
Nce arc stability
Kev nkag siab dua

Lub kaum sab xis tshaj 20 degrees muaj kev ua haujlwm tsawg dua. Lawv tsim ib tug ntau ntawm spatter thiab tsawg nkag mus.

Hlau xaiv

Xaiv txoj hlua hlau rau koj txoj haujlwm vuam yog qhov tseem ceeb heev. Muaj ob hom hlau rau hlau pub vuam tshuab. Yog li nws tsis nyuaj rau xaiv ib yam dab tsi.

Qauv: ER70C-3

ER70S-3 yog qhov zoo tagnrho rau kev siv vuam siv dav dav.

Qauv: ER70C-6

Nws yog qhov kev xaiv zoo tshaj plaws rau qias neeg lossis xeb hlau. Yog li siv cov xaim no rau kev kho thiab tu ua haujlwm.

Hlau loj

Rau cov hlau tuab, xaiv 0.035 "los yog 0.045" hlau. Siv 0.030 nti hlau rau kev siv dav dav. 0.023 "txoj kab uas hla yog qhov zoo tshaj plaws rau cov xov hlau nyias. Yog li, nyob ntawm koj txoj haujlwm, xaiv qhov loj me los ntawm cov hlau electrodes ER70S-3 thiab ER70S-6.

Kev xaiv roj

Raws li nrog cov hlau electrodes, xaiv qhov zoo ntawm cov roj tiv thaiv yuav txiav txim siab qhov zoo ntawm koj qhov vuam. Kev sib xyaw ua ke ntawm 25% carbon dioxide thiab 75% argon yog qhov sib xyaw zoo tshaj plaws rau kev ua haujlwm zoo. Kev siv qhov sib xyaw ua ke no yuav txo qhov tawg. Tsis tas li ntawd, nws yuav tiv thaiv kom tsis txhob hlawv-los ntawm cov hlau. Kev siv cov pa roj tsis raug tuaj yeem ua rau muaj qhov ntxeem tau thiab tso tawm cov pa phem.

Tswv yim: Siv 100% CO₂ yog lwm txoj hauv kev sib xyaw saum toj no. Mas CO₂ tsim ntau spatter. Yog li nws zoo dua nrog Ar thiab CO₂ sib tov.

Hlau ntev

Qhov ntev ntawm cov hlau uas tawm ntawm cov phom vuam yog qhov tseem ceeb tshaj qhov koj xav tau. Qhov no ncaj qha cuam tshuam rau stability ntawm lub arc. Yog li, tawm ntawm 3/8 nti protruding ntev. Tus nqi no yog tus qauv siv los ntawm feem ntau welders.

Nco ntsoov: Ib lub xaim ntev dua tuaj yeem ua suab nrov ntawm lub arc.

10 Kauj Ruam Phau Ntawv Qhia Txog Kev Siv Hlau Feed Welder

Tam sim no koj paub txog cov ces kaum, hlau thiab roj xaiv los ntawm ntu dhau los. Qhov kev paub yooj yim no txaus los txuas ntxiv ua haujlwm nrog peb cov hlau pub vuam tshuab.

Kauj Ruam 1 - Txuas rau lub qhov hluav taws xob

Rau lub tshuab xaim pub vuam, koj yuav xav tau lub qhov (socket) tshwj xeeb. Feem ntau cov welders tuaj nrog 13 amp qhov hluav taws xob. Yog li, nrhiav 13 amp qhov hluav taws xob thiab ntsaws rau hauv koj lub tshuab xaim pub welding.

Tswv yim: Nyob ntawm lub zog ntawm qhov hluav taws xob ntawm lub tshuab vuam, qhov tam sim no hauv qhov hluav taws xob yuav txawv.

Kauj Ruam 2: Qhib cov khoom siv roj

Tom qab ntawd mus rau lub tank roj thiab tso lub valve. Tig lub valve counterclockwise.

Teem tus nqi CFH txog li 25. Tus nqi CFH yog hais txog cov pa roj ntws.

Nco ntsoov: Xaiv cov roj raws li cov lus qhia hauv ntu dhau los.

Kauj Ruam 3 - Ntsuas lub phaj Thickness

Tom qab ntawd nqa ob daim hlau uas koj yuav siv rau txoj haujlwm vuam no thiab ntsuas lawv qhov tuab.

Txhawm rau ntsuas qhov tuab ntawm lub phaj no, koj yuav xav tau lub ntsuas ntsuas zoo li qhov pom hauv daim duab saum toj no. Qee zaum koj tau txais qhov ntsuas no nrog lub tshuab vuam. Lossis koj tuaj yeem yuav ib qho ntawm koj lub khw muag khoom kho vajtse hauv zos.

Muab qhov ntsuas ntawm lub phaj thiab txiav txim siab lub thickness ntawm lub phaj. Hauv peb qhov piv txwv, lub phaj thickness yog 0.125 nti. Sau tus nqi no. Koj yuav xav tau nws tom qab thaum koj teeb tsa qhov nrawm thiab qhov hluav taws xob.

Kauj Ruam 4 - Hauv pem teb lub rooj vuam

Feem ntau cov vuam tshuab tuaj nrog lub hauv av clamp. Siv lub clamp no rau hauv av lub rooj vuam. Qhov no yog qhov yuav tsum tau ntsuas kev ruaj ntseg. Txwv tsis pub, koj yuav raug hluav taws xob.

Kauj Ruam 5 - Teeb Ceev thiab Voltage

Nqa lub hau nyob rau sab ntawm lub tshuab vuam.

Ntawm lub hau koj tuaj yeem pom daim duab qhia qhov ceev thiab qhov hluav taws xob ntawm txhua yam khoom. Txhawm rau nrhiav ob qhov txiaj ntsig no, koj xav tau cov ntaub ntawv hauv qab no.

Cov hom khoom
Hom roj av
Hlau thickness
Phaj txoj kab uas hla

Rau kev ua qauv qhia no, kuv siv 0.125 "inch steel phaj thiab C25 roj. C25 roj muaj xws li Ar 75% thiab CO₂ 25%. Tsis tas li ntawd, cov hlau thickness yog 0.03 nti.

Raws li cov kev teeb tsa no, koj yuav tsum tau teeb tsa qhov hluav taws xob mus rau 4 thiab qhov ceev mus rau 45. Saib cov duab saum toj no kom tau txais lub tswv yim meej ntawm qhov no.

Tam sim no tig rau ntawm qhov hloov ntawm lub tshuab vuam thiab teeb qhov voltage thiab ceev ntawm cov ntsuas.

Kauj Ruam 6 - Muab cov cuab yeej tiv thaiv tsim nyog

Cov txheej txheem vuam yog ib qho kev ua haujlwm txaus ntshai. Ua li no, koj yuav xav tau ntau yam khoom siv tiv thaiv. Yog li muab cov khoom tiv thaiv hauv qab no.

Lub tshuab ua pa
Cov iav tiv thaiv
Cov hnab looj tes tiv thaiv
welding kaus mom hlau

Nco ntsoov: Tsis txhob pheej hmoo rau koj txoj kev noj qab haus huv los ntawm kev hnav cov khoom tiv thaiv saum toj no ua ntej pib txheej txheem vuam.

Kauj Ruam 7 - Tso lub teeb rau ntawm lub kaum sab xis

Xav txog lub kaum sab xis ua haujlwm thiab lub kaum sab xis mus ncig thiab teeb tsa lub vuam teeb ntawm lub kaum sab xis kom raug.

Piv txwv li, khaws lub kaum sab xis mus ncig ntawm 5 thiab 15 degrees thiab txiav txim siab lub kaum sab xis ua haujlwm nyob ntawm seb hom hlau, thickness thiab hom kev sib txuas. Rau qhov kev ua qauv qhia no, Kuv tab tom welding ob daim hlau.

Kauj Ruam 8 - Push los yog rub

Tam sim no txiav txim siab txog cov txheej txheem vuam rau txoj haujlwm no; rub los yog thawb. Raws li koj twb paub lawm, thawb welding yog qhov kev xaiv zoo tshaj plaws rau hlau pub welder. Yog li ntawd, muab lub welding teeb kom haum.

Kauj Ruam 9 - Nias lub khawm Hloov

Tam sim no nias lub khawm hloov ntawm lub teeb thiab pib txheej txheem vuam. Nco ntsoov tuav lub vuam teeb kom ruaj khov thaum lub sijhawm no.

Kauj Ruam 10 - Ua tiav Vuam

Dhau lub vuam teeb los ntawm cov hlau phaj vuam kab thiab ua tiav cov txheej txheem kom zoo.

Tswv yim: Tsis txhob kov lub welded phaj tam sim ntawd. Tso lub phaj rau ntawm lub rooj vuam rau 2-3 feeb thiab cia nws txias. Kov lub phaj welded thaum nws tseem kub tuaj yeem hlawv koj cov tawv nqaij.

Teeb meem kev nyab xeeb ntsig txog vuam

Vuam ua rau muaj ntau yam kev txhawj xeeb txog kev nyab xeeb. Paub txog cov teeb meem no ntxov yuav pab tau zoo heev. Yog li, ntawm no yog qee cov lus nug tseem ceeb txog kev ruaj ntseg.

Qee lub sij hawm vuam tshuab tuaj yeem tawm cov pa phem.
Koj tuaj yeem raug hluav taws xob.
Teeb meem qhov muag
Tej zaum koj yuav tau nrog cov hluav taws xob hlawv.
Koj cov khaub ncaws tuaj yeem raug hluav taws.
Koj tuaj yeem tau txais cov pa luam yeeb hlau
Kev cuam tshuam rau cov hlau xws li npib tsib xee lossis chromium tuaj yeem ua rau muaj mob hawb pob.
Yog tsis muaj qhov cua kom zoo, lub suab nrov yuav ua rau koj ntau dhau.

Txhawm rau tiv thaiv cov teeb meem kev nyab xeeb zoo li no, ib txwm hnav cov khoom tiv thaiv tsim nyog. Yog li, ntawm no yog ob peb kauj ruam los tiv thaiv koj tus kheej.

Hnav hnab looj tes thiab khau boots yuav tiv thaiv koj ntawm daim tawv nqaij kub hnyiab. (1)
Hnav lub kaus mom hlau los tiv thaiv koj ob lub qhov muag thiab lub ntsej muag.
Kev siv lub tshuab ua pa yuav tiv thaiv koj ntawm cov pa phem.
Kev tswj qhov cua kom zoo hauv qhov chaw vuam yuav txo cov suab nrov.
Grounding lub rooj vuam yuav tiv thaiv koj los ntawm kev cuam tshuam.
Khaws ib lub tshuab tua hluav taws hauv lub rooj cob qhia. Nws yuav los ua ke thaum muaj hluav taws kub.
Hnav cov khaub ncaws uas tiv taus nplaim taws thaum vuam.

Yog tias koj ua raws li cov lus ceeb toom saum toj no, koj tuaj yeem ua tiav cov txheej txheem vuam yam tsis muaj kev raug mob.

Summing txog

Thaum twg koj siv cov hlau pub welder, ua raws li 10 kauj ruam qhia saum toj no. Nco ntsoov tias dhau los ua tus kws tshaj lij welder yog ib txoj haujlwm siv sijhawm. Yog li ua siab ntev thiab ua raws li cov txheej txheem vuam kom raug.

Cov txheej txheem vuam nyob ntawm koj qhov kev txawj ntse, kev taw qhia, lub kaum sab xis mus ncig, hom hlau thiab hom roj. Xav txog tag nrho cov teeb meem no thaum vuam nrog hlau pub. (2)

Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.

Yuav ua li cas kuaj lub qhov hluav taws xob nrog lub multimeter
Yuav ua li cas txuas cov kab hauv av rau ib leeg
Yuav ua li cas disconnect ib tug hlau los ntawm ib tug plug-in connector

tswv yim pom zoo

(1) daim tawv nqaij kub hnyiab - https://www.mayoclinic.org/diseases-conditions/burns/symptoms-causes/syc-20370539

(2) hom roj - https://www.eia.gov/energyexplained/gasoline/octane-in-depth.php

Video txuas

Hlau Feed Techniques and Tips