Ceev faj rau Vuam

1. Arc ntev
Qhov ntev arc muaj feem xyuam rau hom electrode txheej thiab thickness ntawm txheej. Txawm li cas los xij, luv luv arcs yuav tsum tau siv ntau npaum li qhov ua tau, tshwj xeeb tshaj yog rau cov hluav taws xob qis hydrogen. Ntev arcs yuav ua rau pores. Cov arcs luv luv tuaj yeem tiv thaiv cov pa phem xws li O2 thiab N2 hauv huab cua los ntawm kev cuam tshuam cov hlau hlau, tsim oxides thiab lwm yam tsis zoo uas cuam tshuam rau qhov zoo ntawm cov vuam.

2. Vuam ceev
Qhov tsim nyog vuam ceev sib txawv nrog cov electrode txoj kab uas hla, txheej hom, vuam tam sim no, lub peev xwm kub ntawm cov khoom siv vuam, cov qauv qhib thiab lwm yam, thiab tsis tuaj yeem ua qauv. Tuav ib qho kev sib txuas kom tsim nyog, lub slag tuaj yeem npog lub pas dej molten zoo. Cia ntau yam impurities thiab gases nyob rau hauv lub molten pas dej ua ke kom muaj sij hawm txaus los ntab tawm, tsis txhob tsim cov slag inclusions thiab pores nyob rau hauv lub weld. Yog hais tias tus pas nrig ceev ceev heev thaum lub sij hawm vuam, lub shrinkage kev nyuaj siab yuav nce thaum lub vuam qhov txias, ua rau tawg nyob rau hauv lub weld.

Cov ntsiab lus tseem ceeb rau kev xaiv vuam hlau
Kev xaiv ntawm vuam hlau yuav tsum yog raws li hom hlau yuav tsum tau welded, qhov yuav tsum tau zoo ntawm welded qhov chaw, vuam siv tej yam kev mob (phaj thickness, zawj puab, vuam txoj hauj lwm, vuam tej yam kev mob, tom qab vuam thaum tshav kub kub kho thiab vuam ua hauj lwm tos. ), tus nqi thiab lwm yam kev txiav txim siab.
Qhov kev txiav txim yuav tsum tau txiav txim siab nyob rau hauv kev xaiv ntawm welding hlau yog raws li nram no:
① Xaiv cov vuam hlau raws li hom hlau ntawm cov qauv welded Rau cov hlau tsis tshua muaj hlau thiab cov hlau tsis tshua muaj zog, lub hauv paus ntsiab lus ntawm "sib npaug zog sib npaug" feem ntau yog siv los xaiv cov vuam hlau uas ua tau raws li qhov xav tau ntawm kev ua haujlwm. Rau cov cua sov-resistant steel thiab weathering steel, lub ntsiab tseem ceeb yog nyob rau hauv qhov sib xws thiab zoo sib xws ntawm cov tshuaj muaj pes tsawg leeg ntawm cov hlau weld thiab cov niam txiv cov ntaub ntawv kom tau raws li qhov yuav tsum tau ntawm tshav kub tsis kam thiab corrosion kuj.
② Xaiv cov vuam hlau raws li qhov yuav tsum tau ua ntawm cov khoom siv welded (tshwj xeeb tshaj yog cuam tshuam rau lub zog) Nws muaj feem xyuam rau cov txheej txheem xws li vuam, zawj duab, thiab tiv thaiv cov roj sib xyaw. Ntawm qhov chaw ntawm kev ua kom ntseeg tau qhov kev ua tau zoo ntawm kev sib koom ua ke welded, xaiv cov khoom siv vuam uas ua tiav qhov siab tshaj plaws vuam efficiency thiab txo cov nqi vuam.
③ Xaiv lub vuam hlau txoj kab uas hla siv raws li lub phaj thickness ntawm lub welded workpiece sib xws rau ntawm qhov chaw vuam txoj hauj lwm, txiav txim siab tus nqi tam sim no siv, xa mus rau cov khoom qhia cov ntaub ntawv thiab kev siv ntawm txhua lub chaw tsim tshuaj paus, thiab xaiv cov vuam hlau hom. haum rau txoj haujlwm vuam thiab siv tam sim no.
Vuam txheej txheem kev ua tau zoo muaj xws li arc stability, spatter particle loj thiab kom muaj nuj nqis, slag tshem tawm, weld tsos thiab zoo li qub, thiab lwm yam. Rau vuam ntawm carbon steel thiab low-alloy steel (tshwj xeeb tshaj yog semi-automatic vuam), txoj kev vuam thiab vuam cov ntaub ntawv yog mas. xaiv raws li cov txheej txheem vuam kev ua tau zoo.