Kev tshawb fawb ntawm AC / DC arc vuam inverter fais fab mov rau hluav taws xob cua sov raj electroplating

Kev tshawb fawb ntawm AC / DC arc vuam inverter fais fab mov rau hluav taws xob cua sov raj electroplating

Txhuas thiab nws cov alloys feem ntau yog welded los ntawm lub zog zaus AC sine yoj argon tungsten arc vuam, tab sis lub arc stability ntawm lub vuam fais fab no tsis zoo, thiab qhov zoo thiab qhov tsis zoo yuav siv tsis tau rau cov electrode arc vuam. Tshwj xeeb tshaj yog, nws yog ib qho nyuaj rau kev ua tiav cov vuam zoo rau qee qhov kev ua haujlwm vuam nrog cov kev xav tau siab, xws li cov vuam tam sim no ntawm aluminium nyias, ib sab vuam nrog ob sab sib sau, thiab vuam nrog lub zog siab. Nrog rau txoj kev loj hlob ntawm high-power semiconductor Cheebtsam thiab lub hwj chim technology, AC / DC arc vuam txheej txheem tau ua tiav nyob rau hauv Tuam Tshoj nyob rau hauv xyoo tas los no, thiab sib xws arc vuam fais fab chaw tau tsim thiab tsim.

AC / DC arc vuam yog ib qho zoo tshaj plaws arc vuam txoj kev rau nyias aluminium alloy. Nws tuaj yeem tsis tsuas yog tswj cov vuam nkag, tab sis kuj txhim kho qhov vuam efficiency. AC / DC argon arc vuam muaj nuj nqi yog qhov tsim nyog tshaj plaws rau vuam ntawm txhuas thiab txhuas alloys, magnesium thiab magnesium alloys, nrog rau kev hloov kho atomization, uas tuaj yeem cuam tshuam cov oxide zaj duab xis ntawm qhov chaw ua haujlwm; Lub weld seam yog tsim tau zoo thiab qhov saum npoo yog ci thiab zoo nkauj [2, 3].

Nyob rau hauv xyoo tas los no, cov hlau tsis muaj hlau xws li txhuas alloys tau siv dav hauv kev lag luam aerospace, tsheb, thiab pej xeem kev lag luam vim lawv cov yam ntxwv tsis kub, lub teeb yuag, thiab lub zog tshwj xeeb, dhau los ua cov khoom tseem ceeb [4]. Nrog rau txoj kev loj hlob ntawm science thiab technology, thaum S1 thiab S3 trigger conduction thiab S2 thiab S4 tig tawm, DC fais fab mov Circuit Court ntawm nyias aluminium alloy yog: ntxiv rau → S1 → arc → S3, yog li tau txais ib nrab nthwv dej zoo tam sim no hauv arc . DC thiab qhov zoo polarity ntawm vuam hlau yog hauv av, lub arc yog ruaj khov, thiab qhov tob melting ntawm lub cub tawg seam yog loj. Los ntawm kev tswj cov tam sim no zoo, nws yog ib qho yooj yim kom ua tiav vuam hlau melting thiab droplet hloov. Thaum S2 thiab S4 txuas nrog thiab S1 thiab S3 raug tua, lub zog hluav taws xob yog - → S2 → arc S4, uas tau txais qhov tsis zoo ib nrab nthwv dej tam sim no hauv arc. Thaum DC tam sim no yog qhov zoo thiab cov vuam hlau tsis zoo, lub arc nce mus raws cov vuam hlau, ua rau tsis muaj kev ruaj ntseg thiab nyuaj rau kev hloov pauv. Lub welding molten pas dej ua ke yog ntiav, uas muaj cov yam ntxwv ntawm lub arc nce mus rau hauv lub vuam hlau los txhawb lub melting ntawm vuam hlau thiab txo cov cua kub nyhuv ntawm lub arc ntawm lub molten pas dej ua ke, tsim ib tug ntiav molten qhov tob. Los ntawm qhov no, nws tuaj yeem pom tias ntev npaum li ob pawg ntawm cov khoom siv hluav taws xob tau tswj xyuas kom ua tiav, hloov cov kev taw qhia ntawm arc tam sim no, thiab los ntawm kev tswj qhov ntev ntawm lub sijhawm conduction ntawm ob pawg ntawm cov khoom siv hluav taws xob thiab cov txheeb ze sib piv. ntawm lub sij hawm energization, zaus thiab qhov kev faib ua feem ntawm qhov zoo thiab tsis zoo ib nrab nthwv dej energization tuaj yeem hloov kho kom tau txais AC thiab DC lub zog. Thaum lub sij hawm vuam txheej txheem, xaiv qhov tsim nyog vuam tam sim no zaus thiab qhov zoo / tsis zoo ib nrab nthwv dej hluav taws xob lub sij hawm piv raws li qhov loj me ntawm cov khoom siv vuam tuaj yeem tswj qhov tsim ntawm qhov tsim nyog weld zoo, tshwj xeeb tshaj yog qhov tsim ntawm qhov tob tob thaum vuam nyias daim hlau, kom ntseeg tau tias tsis muaj qhov ua tsis tiav ntawm kev tsim cov pas dej ua ke thiab ua tau raws li qhov yuav tsum tau ua ntawm vuam zoo.

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