Yuav ua li cas Arc Weld (nrog Duab)

2024 Tus sau: Robert Blare | [email protected]. Kawg hloov kho: 2023-12-17 07:43

Shielded Metal Arc welding yog txheej txheem ntawm kev koom nrog ob daim hlau siv lub plhaub npog hluav taws xob uas tau yaj rau hauv cov hluav taws xob hluav taws xob thiab dhau los ua ib feem ntawm cov khoom uas tau txuas. Kab lus no yuav piav qhia txog kev siv flux-coated welding rods thiab ib qho yooj yim, hloov pauv hom cracker box vuam tshuab.

Cov kauj ruam

Kauj Ruam 1. Nkag siab cov txheej txheem ntawm kev tiv thaiv Hlau Arc Vuam

Ib hluav taws xob yog tsim nyob rau ntawm qhov kawg ntawm lub pas nrig vuam thaum ib qho tam sim no hla hla qhov sib txawv ntawm huab cua thiab txuas ntxiv los ntawm cov hlau hauv av uas tab tom txuas. Nov yog qee cov ntsiab lus thiab lawv cov lus piav qhia siv hauv kab lus no:

Vuam tshuab. Nov yog lo lus siv los piav qhia lub tshuab uas hloov 120-240 volt AC hluav taws xob mus rau qhov txuas hluav taws xob, feem ntau 40-70 volts AC, tab sis kuj muaj ntau yam ntawm DC qhov hluav taws xob. Nws feem ntau suav nrog qhov loj, hnyav hloov pauv, qhov hluav taws xob tswj hluav taws xob, lub kiv cua txias sab hauv, thiab xaiv qhov ntau qhov siab. Qhov lub tshuab ua haujlwm siv rau tus neeg ua vuam. Lub tshuab siv vuam siv yuav tsum muaj lub tshuab txuas los ua haujlwm.
Leads, lossis Welding Leads. Cov no yog cov tooj liab insulated uas nqa lub siab amperage, hluav taws xob hluav taws xob qis rau cov haujlwm uas tab tom txuas.
Tus tuav tuav, lossis tus ntiv tes xoo yog lub cuab yeej ntawm qhov kawg ntawm cov hlau lead uas tuav cov electrode, uas tus neeg siv vuam siv los ua kom tiav cov haujlwm ua haujlwm vuam.
Av thiab av clamp. Qhov no yog cov hlau lead uas ua rau lub hauv paus, lossis ua kom tiav cov hluav taws xob Circuit Court, thiab tshwj xeeb, cov clamp uas tau txuas nrog rau kev ua haujlwm kom tso cai rau cov hluav taws xob hla dhau cov hlau raug welded.
Amperage, los yog amps. Nov yog lo lus siv hluav taws xob, siv los piav qhia txog qhov hluav taws xob tam sim no muab rau cov electrode.
DC thiab rov qab polarity. Qhov no yog kev teeb tsa sib txawv siv hauv vuam nrog cov txheej txheem arc/electrode, uas muaj ntau yam ntxiv, tshwj xeeb tshaj yog siv cov vuam siv nyiaj siv ua haujlwm thiab rau kev siv vuam qee cov hlau tsis xaim yooj yim nrog AC voltages. Lub tshuab vuam tshuab uas tsim cov hluav taws xob tam sim no muaj cov hloov hluav taws xob lossis muaj cov khoom siv tam sim no los ntawm lub tshuab hluav taws xob, thiab muaj nqi ntau dua li lub tshuab AC txuas.
Hluav taws xob. Muaj ntau qhov tshwj xeeb vuam electrodes, siv rau cov hlau nplaum tshwj xeeb thiab hom hlau, xws li cam khwb cia lossis hlau tsis yooj yim, tsis xeb lossis chromoly hlau, txhuas, thiab kub lossis siab cov hlau. Ib qho hluav taws xob ib txwm muaj cov xaim hlau nyob hauv nruab nrab tau npog nrog txheej tshwj xeeb (flux) uas kub hnyiab raws li cov kab hluav taws xob tau tswj hwm, siv cov pa oxygen thiab tsim cov pa roj carbon dioxide hauv qhov chaw txuas txhawm rau tiv thaiv cov hlau hauv paus los ntawm oxidizing lossis hlawv tawm hauv arc nplaim taws thaum txheej txheem vuam. Nov yog qee qhov electrodes uas nquag siv thiab lawv siv:
- E6011 cov hluav taws xob yog cov hlau hlau me me uas muaj txheej txheej cellulose fiber. Thawj ob tus lej hauv cov cim hluav taws xob yog lub zog tensile, ntsuas hauv phaus ib square inch zaus 1, 000. Ntawm no, cov pa hluav taws xob tawm los yuav yog 60, 000 PSI.
- E6010 cov hluav taws xob yog cov thim rov qab polarity electrode, feem ntau siv rau vuam chav dej thiab cov kav dej, thiab tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau kev siv vuam siv ua haujlwm, txij li cov hlau tuav nws txoj haujlwm thaum nyob hauv lub xeev ua kua, tau rub mus rau hauv cov pas dej ua ke los ntawm cov dej ncaj qha tam sim no los ntawm cov electrode mus rau haujlwm.
- Lwm lub hom phiaj tshwj xeeb E60XX cov khoom siv hluav taws xob muaj, tab sis txij li E6011s tau txiav txim siab tus qauv, lub hom phiaj dav dav, thiab E6010s tau txiav txim siab tus qauv rau kev thim rov qab polarity DC vuam, lawv yuav tsis raug nthuav dav hauv kab lus no.
- E7018 cov hluav taws xob tsis tshua muaj hydrogen flux coated hlau pas nrig, nrog cov txiaj ntsig siab tensile zog ntawm 70, 000 PSI. Cov no feem ntau siv hauv kev sib dhos cov qauv hlau siv hauv kev tsim kho kev lag luam, thiab hauv lwm cov ntawv thov uas xav tau cov khoom siv ua kom muaj zog thiab lub zog txuas siab dua yuav tsum tau ua. Nco ntsoov tias, txawm hais tias cov pas nrig no muab lub zog muaj zog ntau dua, lawv tsis zam txim rau qhov ua tau kom huv huv, qib zoo ntawm cov hlau tsis raug thiab nrog qias neeg (xeb, pleev xim, lossis galvanized) hlau. Cov electrodes no hu ua qis hydrogen vim txhua qhov kev sim ua kom txo cov ntsiab lus hydrogen. Cov hluav taws xob no yuav tsum muab cia rau hauv qhov cub nrog qhov kub ntawm 250ºF txog 300ºF. Qhov kub no yog siab dua cov dej kub npau npau ntawm 212ºF ntawm dej hiav txwv. Qhov ntsuas kub no khaws cov dej noo (lwg) (H2O) hauv huab cua los ntawm kev sib sau ua ke.
- Nickel, Castalloy, Ni-Rod electrodes. Cov no yog cov pas nrig tshwj xeeb ua rau vuam nrum, zas hlau, lossis hlau tsis yooj yim, thiab muaj cov txiaj ntsig ntau dua, tso cai rau kev nthuav dav thiab txo qis ntawm cov khoom siv hlau tau txuas.
- Cov hlau sib txawv. Cov pas nrig no yog tsim los ntawm cov hlau tshwj xeeb thiab muab cov txiaj ntsig zoo dua thaum vuam tempered, tawv lossis tawv hlau.
- Aluminium pas nrig. Cov no yog cov thev naus laus zis tsis ntev los no thiab tso cai rau arc vuam txhuas nrog cov kws ua haujlwm sib txuas, tsis yog siv cov roj tshwj xeeb uas muaj cov hlau thaiv cov hlau txuas xws li MIG (hlau, inert gas) lossis TIG (tungsten, inert gas) vuam tshuab, feem ntau xa mus rau raws li heliarc vuam, txij li helium yog cov roj siv los tiv thaiv cov nplaim taws thaum vuam. Cov nom uas tsim los ntawm American Welding Society (AWS) rau hom vuam no yog Shielded Metal Arc Welding (stick), Gas Tungsten Arc Vuam (tig) thiab Gas Metal Arc Vuam (mig).
- Electrode qhov ntau thiab tsawg. Cov hluav taws xob tuaj ntau qhov ntau thiab tsawg, ntsuas los ntawm txoj kab nruab nrab ntawm cov hlau nruab nrab ntawm txhua tus pas nrig. Rau cov hlau me me, txoj kab uas hla ntawm ¹⁄₁₆ inch (0.2 cm) rau ³⁄₈ ntiv tes (1.0 cm) muaj, thiab qhov siv me me tau txiav txim siab los ntawm qhov amperage ntawm cov kws siv hlau, thiab cov tuab ntawm cov khoom raug welded. Txhua tus pas nrig ua tau zoo tshaj plaws ntawm qhov ntsuas amperage. Xaiv qhov raug amperage ntau rau qhov muab tus pas loj yuav nyob ntawm cov khoom siv hauv paus thiab qhov xav tau nkag mus, yog li qhov tshwj xeeb amperages tsuas yog npog rau qhov vuam piav qhia ntxiv hauv kab lus no.
Cov cuab yeej nyab xeeb. Ib feem tseem ceeb ntawm kev vuam kom nyab xeeb yog muaj, thiab paub siv, cov cuab yeej muaj kev nyab xeeb raug rau txoj haujlwm. Nov yog qee yam khoom uas yuav tsum tau siv rau kev nyab xeeb.
- Vuam ntaub thaiv npog (hood). Qhov no yog daim npog ntsej muag uas tau hnav los tiv thaiv tus neeg siv vuam los ntawm lub teeb ci ntawm lub arc, thiab los ntawm lub txim taws raug pov thaum lub sijhawm siv vuam. Cov txheej txheem txheej txheem vuam siv lub ntsej muag tau pleev xim tsaus heev, vim tias raug rau lub teeb nyem tuaj yeem ua rau kub hnyiab mus rau qhov muag ntawm lub qhov muag. Qib 10 qhov tsaus ntuj yog qhov tsawg kawg nkaus rau kev siv vuam. Vuam lub kaus mom nrog lub ntsej muag tig tau yog qhov xav tau ib zaug, vim tias lub lens tsaus tuaj yeem nqa tau, thiab cais lub iav tsom iav cais yuav tiv thaiv cov neeg siv khoom los ntawm cov khoom slag thaum lub vuam tawg. Qhov tshiab ntawm nws tus kheej ua kom tsaus vuam thaiv yog qhov xav tau tshaj plaws vuam daim thaiv tam sim no muag. Cov iav thaiv cov iav no muaj xim zoo nkauj heev rau kev sib tsoo thiab txiav teeb. Thaum lub arc tsoo lub lens tsis siv neeg tus kheej lub teeb yuav hloov mus rau qhov preset #10 ntxoov ntxoo. Txawm tias tshiab dua ntawm kev ua lag luam yog qhov sib txawv ntxoov ntxoo tsis siv neeg tus kheej ua kom pom kev tsaus muag.
- Vuam hnab looj tes. Cov no yog qhov tshwj xeeb, cov hnab looj tes tiv thaiv uas ncav cuag li 6 ntiv tes (15.2 cm) saum lub dab teg, thiab tiv thaiv ob txhais tes thiab caj npab qis ntawm tus kws txuas (tus neeg siv vuam). Lawv kuj tseem txwv kev tiv thaiv los ntawm kev poob siab yog tias tus neeg siv vuam cuam tshuam nrog cov khoom siv hluav taws xob.
- Vuam tawv. Qhov no yog lub apron zoo li lub tsho tawv uas npog lub xub pwg thiab hauv siab ntawm tus kws kho tshuab, siv rau kev ua haujlwm saum taub hau qhov twg yuav ua rau lub qhov txhab txuas tau khaub ncaws, lossis ua rau kub hnyiab.
- Khau looj plab ua hauj lwm. Tus neeg siv yuav tsum hnav yam tsawg kawg yog 6 ntiv tes (15.2 cm) khau raj hom kom tiv thaiv lub txim taws thiab kub kub los ntawm kev hlawv nws txhais taw. Cov khau looj plab hlaub no yuav tsum muaj insulating leeg ua los ntawm cov khoom uas tsis yaj lossis hlawv yooj yim.

Kauj Ruam 2. Kawm cov kauj ruam rau tsim kom muaj kev sib txuas zoo

Vuam yog ntau dua li rub tus pas nrig hla ib daim hlau thiab txuas nws mus rau lwm qhov. Cov txheej txheem pib nrog kev ua kom raug thiab ua kom ruaj khov rau cov haujlwm ua haujlwm, lossis hlau kom tau welded, ua ke. Rau cov tuab tuab, koj yuav xav zom cov bevel kom cov hlaws tom ntej tuaj yeem tso rau hauv qhov zawj kom ua kom tiav nrog cov khoom sib txuas. Nov yog cov theem pib rau kev ua kom tiav cov hlau txuas yooj yim.

Ntaus arc. Qhov no yog txheej txheem ntawm kev tsim hluav taws xob arc ntawm cov electrode thiab cov haujlwm. Yog tias cov hluav taws xob yooj yim tso cai rau tam sim no kom ncaj qha mus rau hauv cov haujlwm ua haujlwm hauv av, yuav tsis muaj cua sov txaus ua kom yaj thiab fuse hlau ua ke.
Tsiv lub arc los tsim cov hlaws. Cov hlaws yog cov hlau los ntawm cov hluav taws xob melting uas ntws ua ke nrog cov hlau yaj los ntawm cov hlau puag kom puv qhov chaw nruab nrab ntawm daim uas tau koom nrog los ntawm vuam.
Hloov cov hlaws dai. Qhov no yog ua tiav los ntawm kev xaws lub arc rov qab thiab hla hla txoj kab txuas hauv zig zag lossis daim duab 8 txav kom cov hlau kis mus rau qhov dav uas koj xav kom koj ua tiav cov hlaws dai.
Chip thiab txhuam qhov txuas ntawm qhov hla. Txhua lub sijhawm koj ua tiav daim ntawv hla dhau, lossis taug kev los ntawm ib kawg mus rau lwm qhov ntawm koj qhov txuas, koj yuav tsum tshem tawm cov slag, lossis cov khoom siv hluav taws xob yaj yaj, los ntawm cov npoo ntawm cov hlaws txuas yog li tsuas yog ntxuav cov hlau molten nyob rau tom ntej pass.

Kauj Ruam 3. Sau cov cuab yeej thiab cov ntaub ntawv uas koj yuav xav tau los pib vuam

Qhov no txhais tau tias lub tshuab siv vuam siv hluav taws xob, cov xaim hluav taws xob, cov kab hluav taws xob thiab cov clamps, thiab cov hlau yuav tsum tau welded.

Kauj Ruam 4. Teeb tsa thaj chaw ua haujlwm kom nyab xeeb, zoo dua nrog lub rooj ua los ntawm cov hlau lossis lwm yam khoom uas tsis kub hnyiab

Rau kev xyaum, ob peb daim hlau me me, tsawg kawg ³⁄₁₆ nti (0.5 cm) tuab yuav ua haujlwm.

Kauj Ruam 5. Npaj cov hlau kom tau welded

Yog tias cov hlau muaj ob daim uas yuav tsum tau koom nrog hauv cov txheej txheem vuam, koj yuav xav tau npaj ua ntej, lossis txuas lawv ua ntej, los ntawm kev sib tsoo ntug beveled ntawm ob sab uas yuav tsum koom nrog. Qhov no tso cai rau nkag mus kom txaus ntawm cov hlau txuas kom yaj ob sab mus rau lub xeev molten thiaj li muab cov hlau txuas los ntawm ntu ntu tuab ntawm cov hlau. Yam tsawg kawg, koj yuav tsum tshem tawm cov xim, roj, xeb, lossis lwm yam kab mob sib kis yog li koj tab tom ua haujlwm nrog cov dej huv ntawm cov hlau yaj thaum koj txhuam.

Kauj Ruam 6. Txuas clamps tuav koj cov hlau ua ke, yog xav tau

Xauv hom pliers, "C" clamps, tus lwm, lossis lub caij nplooj ntoo hlav loader feem ntau yuav ua haujlwm. Txog cov haujlwm tshwj xeeb, koj yuav pom koj yuav tsum hloov kho cov txheej txheem sib txawv kom ruaj ntseg cov haujlwm kom txog thaum lawv tau koom nrog.

Kauj Ruam 7. Txuas lub hauv av clamp rau qhov loj dua ntawm cov khoom lag luam uas tau muab welded

Xyuas kom muaj qhov chaw huv kom xaim hluav taws xob tuaj yeem ua tiav nrog kev tiv thaiv tsawg kawg ntawm qhov chaw hauv av. Ib zaug ntxiv, xeb lossis pleev xim yuav cuam tshuam rau hauv av ntawm koj daim ntawv ua haujlwm, ua rau nws nyuaj rau tsim ib qho arc thaum koj pib vuam.

Kauj Ruam 8. Xaiv tus pas nrig kom raug thiab amperage ntau rau txoj haujlwm koj tab tom sim

Piv txwv li, ¹⁄₄ nti (0.6 cm) phaj hlau tuaj yeem ua haujlwm tau zoo siv E6011, ¹⁄₈ nti (0.3 cm) electrode, ntawm 80-100 amps. Muab cov electrode tso rau hauv tus tuav electrode (tam sim no raug xa mus rau tus stinger) ua kom ntseeg tau tias cov khoom siv ntawm cov stinger clamp nyob ntawm cov hlau huv ntawm qhov kawg ntawm cov electrode.

Kauj Ruam 9. Qhib koj lub tshuab welding

Koj yuav tsum hnov lub suab humming los ntawm tus hloov pauv. Lub suab ntawm lub kiv cua txias ua haujlwm yuav lossis tsis hnov. Qee lub tshuab vuam kiv cua tsuas ua haujlwm thaum lub tshuab xav tau txias. Yog tias koj tsis ua, tej zaum koj yuav tsum tau txheeb xyuas lub Circuit Court uas tab tom muab koj lub zog, thiab cov khoom tawg hauv lub thawv vaj huam sib luag. Cov tshuab siv vuam siv xav tau lub zog loj los ua haujlwm, feem ntau qhov tshwj xeeb ntawm qhov ntsuas tau ntsuas ntawm 60 amps lossis ntau dua ntawm 240 volts.

Kauj Ruam 10. Tuav tus stinger hauv koj txhais tes uas tseem ceeb los ntawm tus tuav tuav, nrog tus pas nrig nyob rau hauv txoj haujlwm kom ua rau qhov ntxeev ntawm nws tawm tsam phaj koj tab tom siv vuam yuav yog ib qho kev txav mus los zoo li sai tau

Tuav koj cov ntaub thaiv npog kom siab txaus kom koj tuaj yeem pom txav cov electrode mus rau hauv ob peb ntiv tes ntawm cov haujlwm, npaj kom tig rov los txhawm rau tiv thaiv koj lub qhov muag. Tej zaum koj yuav xav xyaum tapping lub electrode tiv thaiv cov hlau txuas kom tau txais kev xav ntawm nws ua ntej tig lub zog rau, tab sis tsis txhob ntaus hluav taws xob yam tsis tiv thaiv koj ob lub qhov muag.

Kauj Ruam 11. Xaiv lub ntsiab lus uas koj xav pib koj lub weld

Muab lub taub hau ntawm tus pas nrig tso rau nws, tom qab ntawd tso lub vuam txuas rau hauv qhov chaw. Koj xav kom coj lub taub hau ntawm cov hluav taws xob tiv thaiv cov hlau kom ua tiav cov hluav taws xob hluav taws xob, tom qab ntawd rub nws rov qab los me ntsis, los tsim hluav taws xob hluav taws xob nruab nrab ntawm cov xov hluav taws xob thiab cov hlau tau txuas. Lwm txoj hauv kev los tawm tsam arc yog zoo li ntaus qhov sib tw. Qhov sib txawv arc no, lossis thaj chaw huab cua, tsim kev tiv thaiv zoo hauv cov hluav taws xob hluav taws xob, uas yog dab tsi ua rau cov nplaim hluav taws xob lossis cov ntshav thiab cov cua sov xav tau los ua kom cov kua hluav taws xob thiab cov hlau uas nyob ib sab ntawm qhov chaw txuas.

Kauj Ruam 12. Ntaus cov hluav taws xob tawm tsam cov hlau, rub nws rov qab me ntsis thaum koj pom hluav taws xob tshwm sim

Qhov no siv sijhawm ntau ntawm kev xyaum, txij li qhov sib txawv ntawm cov hluav taws xob sib txawv thiab cov vuam amperages xav tau qhov sib txawv sib txawv ntawm qhov taub ntawm cov hluav taws xob thiab cov haujlwm ua haujlwm, tab sis yog tias koj tuaj yeem tuav qhov sib txawv khov kho, txuas hluav taws xob txuas ntxiv yuav tshwm sim los ntawm cov hluav taws xob mus rau daim ua haujlwm. Feem ntau, qhov sib txawv ntawm arc yuav tsum tsis muaj ntau dua li cov kab hluav taws xob. Xyaum ua kom ruaj khov los ntawm kev tuav lub electrode li 1/8 txog 3/16 ntawm ib nti los ntawm daim ntawv ua haujlwm, tom qab ntawd pib txav mus raws txoj kev koj xav tau txuas. Thaum koj txav cov electrode, cov hlau yuav yaj mus, sau cov pas hlau uas yaj thiab tsim koj cov hlau txuas.

Kauj Ruam 13. Xyaum taug kev hla txoj hauv kev ntawm koj cov weld nrog cov electrode kom txog thaum koj tuaj yeem khaws cov kab sib xws, txav ntawm qhov nrawm ib yam, thiab ua raws txoj hauv kev uas koj xav tau txuas

Thaum koj tau ua tiav kev tswj hwm lub arc, koj yuav pib xyaum tso, lossis txhim kho cov hlaws txuas. Qhov no yog qhov tso nyiaj ntawm cov hlau uas koom nrog ob daim uas koj tab tom vuam ua ke. Cov txheej txheem koj siv rau kev tso koj cov hlaws yuav nyob ntawm qhov dav ntawm qhov sib txawv (yog tias muaj ib qho) koj tau ntim, thiab qhov tob koj xav kom cov hlaws txuas mus rau qhov twg. Qhov qeeb koj txav cov electrode, qhov tob dua qhov txuas yuav nkag mus rau hauv cov hlau ua haujlwm, thiab txhawm rau ua txoj hauv kev dav, ntau qhov koj zig zag lossis xaws lub electrode qhov taub, qhov dav dav koj yuav tso.

Kauj Ruam 14. Khaws lub arc tsim raws li koj txav mus raws qhov txuas uas koj tab tom ua

Yog tias cov hluav taws xob ua rau cov hlau thiab dhau los ua neeg nyam, ua rau tus nplawm kom tawg tus pas nrig tsis hais los ntawm tus ntiv tes tuav lossis cov hlau txuas. Yog tias lub arc ploj vim tias koj txav cov electrode nyob deb ntawm cov hlau saum npoo, nres cov txheej txheem thiab ntxuav cov slag los ntawm qhov chaw koj tab tom vuam yog li thaum koj rov ntaus lub arc kom txuas ntxiv, yuav tsis muaj slag hauv qhov chaw txuas kom paug cov weld tshiab koj tab tom pib los ntawm qhov chaw uas arc tau ploj lossis tawg. Tsis txhob ntov cov hlaws tshiab hla cov slag uas twb muaj lawm, vim cov khoom siv no yuav yaj hauv cov nplaim hluav taws xob thiab ua npuas los ntawm cov txheej hlau tshiab uas koj tso, ua rau tsis muaj zog thiab tsis huv.

Kauj Ruam 15. Xyaum txav cov electrode hauv qhov txav mus los kom tsim tau cov hlaws dav

Qhov no yuav tso cai rau koj sau ntau qhov txuas hauv ib zaug, tawm hauv qhov huv thiab ntau lub suab txuas. Cov hluav taws xob tau txav mus rau hauv ib qho lus tsa suab ib sab raws li nws tau kos raws txoj kab txuas, xws li hauv zig-zag, nkhaus, lossis daim duab yim tsab ntawv tsa suab.

Kauj Ruam 16. Kho koj tus kws kho qhov tso zis kom haum rau cov khoom uas koj siv vuam thiab qhov xav tau nkag mus ntawm lub arc

Yog tias koj pom cov hlaws dai tiav lawm yog pitted, nrog rau qhov sib sib zog nqus ntawm cov hlaws cov ntug, lossis cov hlau uas nyob ib sab tsuas yog yaj los yog hlawv tam sim ntawd, txo qhov amperage zuj zus mus txog thaum qhov xwm txheej raug kho. Yog tias, ntawm qhov tod tes, koj muaj teeb meem tawm tsam lossis tswj lub arc, koj yuav xav tau nce qhov amperage.

Kauj Ruam 17. Ntxuav koj cov weld tiav

Tom qab koj tau ua tiav vuam, koj yuav xav tshem cov slag thiab ntxuav koj cov weld, ib qho los tso cai rau xim kom ua kom zoo dua, lossis yooj yim rau qhov laj thawj zoo nkauj. Chip tawm cov slag thiab xaim txhuam cov hlua txuas kom tshem tawm cov khoom txawv teb chaws thiab cov slag uas seem. Yog tias cov nplaim yuav tsum tiaj kom tso haum rau daim uas koj tau txuas rau lwm daim, siv lub kaum ntse ntse los tshem tawm sab saud, lossis ib feem ntawm cov hlaws. Kev txhuam huv, tshwj xeeb yog tom qab sib tsoo tiaj tus, yooj yim dua los tshuaj xyuas seb puas yog pitting, puddling, lossis lwm yam tsis xws luag tau tshwm sim thaum vuam.

Kauj Ruam 18. Xim koj lub weld nrog cov xeb tsim nyog tiv thaiv kab mob kom tiv thaiv nws los ntawm kev xeb

Freshly welded hlau yuav corrode theej sai yog raug rau lub ntsiab, txij li qhov tseeb hauv paus hlau raug ncaj qha mus rau ya raws.

Lub tswv yim

Qee tus neeg mloog lub suab tsim los ntawm cov hluav taws xob arc los txiav txim qhov zoo ntawm qhov txuas. Popping thiab snapping suab yuav qhia tau tias yog qhov tsis sib xws ntawm qhov sib txawv lossis qhov tsis txaus ntseeg.
Thaum koom nrog cov khoom ua haujlwm loj dhau los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua haujlwm.
Yog tias koj weld nruab nrab ntawm ib hnub, cov menyuam kawm ntawv ntawm lub qhov muag yuav me me thiab lub teeb tsawg yuav nkag rau koj lub qhov muag. Qhov no yuav txo txoj hauv kev kom mob taub hau hnyav los ntawm kev puas ntsoog los ntawm lub teeb tawm los ntawm ib puag ncig. Yog tias koj tau mob taub hau hnyav los ntawm cov arcs, tsis txhob txhawj xeeb, nyob twj ywm ntawm lub hnub thiab noj tshuaj aspirin los tswj qhov mob thiab nws yuav zoo nyob hauv 2 txog 3 hnub.
Yog tias koj weld tawm hauv lub hnub nyob nruab nrab ntawm lub hnub, cov hlau yuav kub thiab nws yuav yooj yim dua pib thiab txuas txuas ntxiv. Koj tseem tuaj yeem siv lub zog me me thiab ua haujlwm zoo dua yog tias cov hlau sov los ntawm lub hnub.

Lus ceeb toom

Txheeb xyuas cov kab hluav taws xob thiab kev sib txuas ntau zaus txhawm rau txo qhov muaj peev xwm ua hluav taws xob raug.
Cov hlau tseem kub tau ntev rau lub sijhawm tom qab ua tiav qhov txuas, yog li khaws cov tsiaj thiab menyuam yaus tawm ntawm thaj chaw ua haujlwm kom txog thaum txhua yam khoom tau txias.
Tiv thaiv koj tus kheej los ntawm kev kub nyhiab los ntawm kev npog koj cov tawv nqaij nrog hnab looj tes, lub ntsej muag lub ntsej muag, thiab lub tes tsho, nyob ntawm qhov chaw tau npog. Tsis txhob txhuam ib zaug yam tsis muaj lub kaus mom hlau tiv thaiv thaum Vuam.
Lub teeb ci los ntawm hluav taws xob hluav taws xob tuaj yeem ua rau kub hnyiab zoo ib yam li tshav ntuj, yog li hnav lub tsho ntev thiab ris ntev kom txo qis.
Saib qhov txuas hauv cov lus hais, hauv qab no rau cov lus ceeb toom tshwj xeeb thiab kev ceev faj.
Zam kev ua pa pa uas tsim los ntawm txheej txheem vuam. Qhov no tshwj xeeb tshaj yog siv rau cov hlau galvanized lossis plated, thiab cov hlau uas tau pleev xim nrog cov hlau oxide primers. Hlau nyob hauv lub ntsws tuaj yeem ua rau mob qog noj ntshav.
Arc vuam siv lub tshuab siv hluav taws xob siab heev uas yog qhov txaus ntshai heev, yog li ua tib zoo saib xyuas cov hlua thiab hlua nrog kev saib xyuas. Tsis txhob txhuam hauv cov ntub dej lossis cov khoom ntub yam tsis muaj kev qhia kom raug.
Nco ntsoov nco ntsoov muab koj lub lim dej tso rau ntawm koj lub qhov muag ua ntej ntaus lub arc!