Nyob rau hauv lub ntiaj teb compeble, nkag siab txog cov alphanumeric cov lej tau muab rau pelding consumables yog qhov tseem ceeb rau kev ua tiav high} Cov Khoom Ua Tau Zoo, Txhim Kho Welds. Ib qho kev cai ntawd feem ntau tsa cov lus nug yog "e71t - 1," tshwj xeeb tshaj yog qhov tseem ceeb ntawm "T" hauv nws. Cov cai no yog ib feem ntawm American Vuam Society (AWS) kev faib tawm rau Vuam cov khoom thiab cov xov hlau, thiab cov ntaub ntawv tseem ceeb txog qhov kev siv vuam.
Kev txiav txim siab AWS kev faib tawm rau Vuam cov khoom siv
AWS cov txheej txheem system yog tsim los muab cov tshuaj tua kab nrog tus qauv vuam rau lawv cov ntawv thov tshwj xeeb. Tus "E" hauv "E71T- 1" sawv ntsug rau "electrode," qhia tias nws yog hom vuam electrode. Thawj tus lej, "7," sawv cev rau qhov tsawg kawg nkaus tensile lub zog ntawm cov nyiaj tso tawm weld hlau nyob rau hauv ntau txhiab tus ntawm ib square inch (psi). Hauv qhov no, weld hlau tsim kev siv e71t {{- 1 electrode muaj qhov tsawg kawg tensile muaj zog ntawm 70,000 psi. Tus lej thib ob, "1," muab cov ntaub ntawv hais txog txoj haujlwm vuam uas cov electrode siv tau. A "1" Qhia tias cov electrode yog tsim nyog rau txhua qhov - Txoj hauj lwm vuam, cov ntsiab lus nws tuaj yeem siv rau hauv tiaj, kab rov tav, ntsug, thiab overhead vuam txoj haujlwm.
Unraveling lub ntsiab lus ntawm "t"
Qhov "t" hauv e71t - 1} sawv rau "tubular." Cov qauv no qhia tau tias lub electrode yog hom flux - Cored hlau. Flux - Cov xov hlau yog tubular yog tubular nyob rau hauv cov duab, nrog lub hollow core uas muaj cov tshuaj lom. Flux ua si ntau lub luag haujlwm tseem ceeb thaum lub sijhawm vuam. Nws pab tiv thaiv lub pas dej weld los ntawm cov kev sib txuas ntawm cov pa hluav taws xob thaum nws hlawv. Lub flux kuj muab deasoSidizing cov neeg sawv cev kom tshem tawm cov oxygen los ntawm cov pord pas dej, uas pab los tiv thaiv porosity thiab txhim kho cov khoom siv tshuab hluav taws xob ntawm Weld. Tsis tas li ntawd, cov flux tuaj yeem ntim cov ntsiab lus uas tau ntxiv rau weld hlau los txhim kho nws lub zog, kev nruj, lossis lwm yam khoom.
Cov yam ntxwv thiab cov txiaj ntsig ntawm e71t {{1} flux- cored xov hlau
E71t {{{{1} flux - Cored xov hlau muaj ntau qhov zoo uas ua rau lawv nrov nyob rau hauv ntau cov ntawv thov vuam. Ib qho ntawm cov ntsiab lus tseem ceeb yog lawv cov versatility. Raws li tau hais ua ntej lawm, lawv haum rau txhua qhov - txoj haujlwm vuam, uas ua rau lawv muaj kev lag luam uas yuav tsum tau ua haujlwm hauv ntau txoj haujlwm. Flux - Cored Tsim tseem tso cai rau cov nqi xa nqi siab dua piv rau cov xov hlau khoom. Qhov no txhais tau hais tias ntau weld hlau tuaj yeem tso rau hauv lub sijhawm luv dua, nce cov khoom lag luam.
Lwm qhov zoo dua ntawm e71t {{- 1 I} cov xov hlau yog lawv lub peev xwm los tsim cov ntsej muag zoo nrog cov ntsej muag zoo. Lub flux yuav pab tswj cov duab thiab qhov loj me ntawm Weld hlaws, ua rau muaj lub ntsej muag du, tsis muaj zog. Cov xov hlau kuj tseem tsim kom yooj yim siv, nrog lub arc ruaj khov thiab tsawg heev. Qhov no ua rau lawv haum rau ob qho kev paub txog cov neeg tua tsiaj thiab cov tshiab tom teb.
Cov ntawv thov ntawm e71t {{1} flux - cored xov hlau
E71t {{{{1} flux - Cov xov hlau cored yog siv rau vuam carbon hlau thiab qis {{}} al}} riam hlau. Lawv tsim nyog rau ntau cov ntawv thov, suav nrog cov qauv hlau vuam, qhov chaw uas lawv tau siv los koom nrog Beams, kab ntawv, thiab lwm yam txheej txheem txheej txheem. Nyob rau hauv kev lag luam hauv tsheb, lawv tau siv rau vuam seem xws li thav ntawv, qhov chaw ncua sijhawm, thiab kev tso tawm. E71T {- 1 I
Kev coj ua zoo tshaj plaws rau kev siv E71T - 1 flux- Cored xov hlau
Txhawm rau kom ua tiav cov txiaj ntsig zoo tshaj plaws thaum siv e71t {{{1} flux hlux, welders yuav tsum ua raws li qee txoj kev coj ua zoo tshaj plaws. Ua ntej, nws yog ib qho tseem ceeb kom xaiv cov ntaub thaiv cov roj uas tsim nyog. E71t {- 1 I reas} Cov hlau feem ntau siv nrog cov roj teeb sib zog, uas muab cov xim arc zoo thiab nkag mus. Txawm li cas los xij, hauv qee kis, sib tov sib xyaw ua ke thiab Argon yuav siv los txhim kho cov hlaws pom kev zoo thiab tawg.
Kom zoo xaim pub ceev thiab voltage chaw kuj tseem ceeb heev. Cov kev txwv no yuav tsum tau hloov kho raws li cov tuab tuab ntawm lub hauv paus hlau, hom sib koom ua ke, thiab txoj haujlwm vuam. Welders kuj yuav tsum ua kom paub tseeb tias lub hauv paus hlau yog huv thiab tsis muaj xeb, roj, thiab lwm yam paug ua ntej vuam. Qhov no yuav pab tiv thaiv porosity thiab lwm yam tsis xws hauv Weld.
Tag
Qhov "t" hauv e71t {- 1 yog ib feem tseem ceeb ntawm AWS kev faib tawm rau Vuam cov neeg siv khoom. Nws qhia tau tias lub electrode yog flux - cored hlau, uas muaj ntau cov khoom siv tawm, suav nrog cov versetatility, thiab cov qev loj. Los ntawm kev nkag siab lub ntsiab lus ntawm cov cai no thiab ua raws li kev coj ua zoo tshaj plaws rau kev siv E71T {}}}}} zoo welds nyob rau hauv ntau cov kev siv. Txawm hais tias nyob rau hauv loj - teev cov phiaj xwm kev lag luam lossis cov khoom siv sib xyaw ua haujlwm zoo rau cov hlau ua haujlwm nrog cov hlau ua haujlwm thiab tsis ua haujlwm ntawm cov hlau thiab qis} {}} cov hlau almoy.
