Vuam dag nyob rau hauv tsev

Nyob rau hauv cov kev kho mob uas tsis yog-ferrous co feem ntau nyuaj, raws li lub siab kub ntawm lawv lub zog hloov. Tshwj xeeb xim deserves dag welding, nyob rau hauv uas muaj yog ib tug active zinc evaporation. Dua li ntawm qhov teeb meem nrog no alloy nws yog heev tau mus ua hauj lwm nyob rau hauv ib tug domestic ib puag ncig.

Cov yooj yim cov ntaub ntawv uas lub zog thiab kev npaj

Ua ntej Vuam dag yuav muab suav hais tias nyob rau hauv kom meej, yuav tsum paub txog cov yam ntxwv ntawm cov khoom nws tus kheej. Cov hlau muaj pes tsawg leeg muaj xws li ob puag hlau - tooj liab thiab zinc. Cov ntsiab lus ntawm qhov kawg ntawm lawv muaj peev xwm sib txawv 5-45 feem pua. Nws yog tswvcuab tsis tau tsuas yog los txhim kho lub cev muaj zog, tab sis kuj yuav txo tau tus nqi ntawm cov khoom muag kawg.

Toog ua ib tug loj tus naj npawb ntawm cov khoom. Cov no muaj xws tag nrho cov hom ntawm plugs, adapters, yeeb nkab thiab ntau yam hniav ntsiab. Nyob rau hauv lawv siv yuav muab ntxiv alloying ntsiab muaj feem xyuam rau qhov zoo yam ntxwv:

• Tin yuav ua tau kom xeb kuj ua tau zoo:
• Aluminium rau ib co raws li thiaj li muaj cov volatility ntawm zinc;
• Silicon pab weldability nrog ib tug me me tsis muaj zog;
• Lead ua rau nws tau mus nrhiav tau tsawg kawg yog ib tug khoom khoom rau ib qho yooj yim tuav tej txujci.

Raws li ib tug raw khoom rau cov ib alloy ntawm tooj liab thiab zinc yog cov preform, raws li zoo raws li tej yam lwm co. Nyob rau hauv tej rooj plaub, yuav yuav siv lub pov tseg ntawm nws tus kheej lawm. Melting yog nqa tawm nrog tso cua txhais tau tias ntawm induction furnaces.

Teeb meem nyob rau hauv kev tsim kom muaj kev ruaj khov kev sib txuas

nraaj thiab xyuam xim rau dag vuam nyob rau hauv lub tsev tiav lawm, koj yuav tsum paub txog lub problematic cov ntsiab lus. Unsplit compound tau los ntawm lub zos cov cua kub yuav yuav txhim khu kev qha xwb nyob rau hauv tshwj xeeb uas yuav tsum tau. Thaum lub sij hawm ua hauj lwm peb yuav tsis nco qab txog kev ruaj ntseg ntsuas, txij thaum lub thermal nyhuv tej pa taws faib.

Lub ntsiab teeb meem lus dag nyob rau hauv lub burnup ntawm lub active zinc, uas yog txuam nrog nws uas tsis muaj melting point (ntawm 419 degrees). Feem ntau ntawm cov tshuaj nyob rau hauv lub chaw ua hauj lwm disappears. Ib txhia feem li los mus rau hauv kev sib cuag nrog cov pa, txoj kev ua ib tug dawb hmoov uas yog tom qab them tej thaj chaw nyob ze ntawm lub leeg.

Ceev faj thaum lub sij hawm tuav

Self-vuam toog no yuav tsum tsis ua mus rau tsim ntawm yus tej yam kev mob rau tib neeg lub cev. Vim enhanced kev ua si tso tawm ntawm volatile sib txuas yuav tsum tau siv thaum ua hauj lwm respirators. Txawm tias thaum twg siv tshwj xeeb cov hom kev kawm burnout zinc yog hom twg los ntawm 25 mus rau 30 feem pua.

Nws yog tsis tau tso cai rau koj nqa tawm vuam kev ua ub no ze rau cov ntaub ntawv thiab tshuaj, txais nplaim taws sai sai. Nyob rau hauv lub cheeb tsam ntawm lub chaw ua hauj lwm yuav tsum tsis roj, ntoo shavings, hemp los yog roj thooj voos kheej kheej. Ib tug obligatory mob yog muaj cov huab cua nyob rau hauv lub chav tsev.

Npaj rau lub ntsiab

Thaum vuam yog nqa dag me me thickness, ua pre-cua sov yog tsis tsim nyog. Thaum lub compound ntawm loj heev hais pom zoo rau ib lub zos thaum tshav kub kub kev kho mob. Ntug kev npaj yuav tsum tau ua rau cov khoom ntawm thickness 1.5-6 hli.

Yog hais tias lub ntsiab yog los ntawm ntau dua tus ntoo khaub lig seem, nyob rau hauv txhua rooj plaub, koj yuav tsum V-zoo li tus txiav sutures. Nws yog yooj yim, tab sis nws tsis yog pom. Nws yog qhov zoo tshaj plaws nqa tawm X-zoo li tus butchering uas qhib lub yog 30-45 degrees ib sab.

Hom thiab applied technologies sib piv

Nyob rau hauv Feem ntau, ua los ntawm cov tooj dag Vuam nrog argon. Technology feem compound nyob rau hauv ib tug inert ib puag ncig yog suav hais tias yog feem ntau pheej, txij li thaum nws tso cai rau mus cuag ib tug kub ceev ntawm kev ua hauj lwm. Cov lwm zoo ntawm qhov kev xaiv no yuav tsum tau tseem ceeb:

• tau muab lub nqaws nrog ntshiab geometry thiab kev coj dawb huv;
• homogeneity ntawm cov qauv nyob rau hauv lub teb ntawm mus tas li kev sib txuas;
• lub ntseeg ntawm cov pob qij txha;
• efficiency vim txoj kev siv cov pheej yig tungsten electrodes.

Lwm cov txheej txheem yog roj welding. Nws tsis koom nrog rau cov kev siv ntawm ib qhov chaw ntawm hluav taws xob lub zog, uas yog tsis txhaum nyob rau hauv tej rooj plaub. Nyob rau hauv nws daim ntawv thov nws yog tau nyob rau hauv ib tug txaus ntau yam los tswj lub hwj chim tawm cov nplaim taws. Nrog kom xaiv ntawm vuam consumables ua high-zoo welds.

Argon vuam dag: txheej txheem hauj lwm

Wednesday ntawm lub shielding roj muab ib lub sij hawm rau mitigate qhov tsis zoo los ntawm ib tug ob peb. Vuam bronze thiab tooj dag nyob rau hauv no embodiment, nws ncua nrog ib tug tsis tu ncua tam sim no muaj ib tug ncaj polarity. Vim lub high yuav burning yog pom zoo kom kho cov docking txoj hauj lwm los ntawm ib tug ntev arc.

Lub electrode yog tso rau hauv lub teeb, uas yog ib tug conductive mechanism. Tom qab ntawd, tus tes hloov qhov unit. Lub lag luam yog nrog los ntawm ntau zog keej, uas zoo nkaus li vim nag lossis daus ntawm lub zinc vapor. Cov tub lim hlau yog nkag tau rau hauv cov pob qij los ntawm txhais tes.

Feem ntau muab cov neeg chais, es ib tug tas mus ua noj ua haus technology. Thaum embedding kev ua qab yias, nws yog ntshaw kom ib nyuag txo lub arc voltage. Thaum lub theem kawg nws yog tsim nyog los tshem tawm cov sab. Cov kev khiav hauj lwm voltage yuav tsum raug txo kom tsawg tam sim ntawd, tab sis maj mam.

Kev siv cov roj cov khoom

Nyob rau hauv cheeb tsam uas muaj kev qhaj ntawv ntawm cov hluav taws xob arc qhov technology yuav tsis tau mus thov. Txawm li cas los, nyob rau hauv cov ntaub ntawv no, nws yog permissible roj vuam dag. Nrog nws cov kev siv ntawm cov khoom compound yog tau, txawm li cas los, nws yuav tsum tau mus ua hauj lwm heev yam tshuaj, uas ua ke nrog rau cov pa mus rau tsim heev mixtures.

Thaum ua hauj lwm tsis txhob ntev evaporation ntawm zinc yuav ua tau los ntawm kev siv ntawm oxidizing burner nplaim taws ua hauj lwm. Pa yuav tsum muaj ntau loj tshaj uas ntawm hydrogen. Thaum ua interface tshwm nyob rau hauv ib tug saum npoo oxide zaj duab xis tso cai rau ib co raws li kev tiv thaiv tus ncig ntawm zinc precipitates.

Thaum Vuam muab tub lim hlau yuav tsum tau muab tso rau lub kaum sab xis ntawm 15 mus rau 30 degrees rau sab npoo. Tsis txhob transverse deeg nyob rau hauv qhov kev siv ntawm lub lag luam. Lub burner yuav tsum nyob rau ntawm ib kaum sab xis ntawm 70 mus rau 80 degrees mus rau lub workpiece.

Muab tub lim cov ntaub ntawv uas yog muab tso rau saum toj no lub molten da dej ncaj qha mus rau hauv lub burner nplaim taws. Tsis txhob raus tus pas nrig siv nyob rau hauv sab hauv ntawm lub leeg. Thaum tunneling yog ntshaw kom ua raws ib yam ceev. Feem ntau nws yog 15-25 cm ib feeb.

Yog hais tias kev cob cog rua rau lub workpiece loj thickness, lawv yuav tsum tau muab tso rau lub kaum sab xis ntawm 10 mus rau 15 degrees rau cov kab rov tav. Vuam yog ces nqa tawm nyob rau hauv sawv. Feem ntau, qab nthab pob qij txha nyob rau hauv cov ntaub ntawv no yog tsis tau ntsib, txij li thaum cov khoom no yog flowable.

Vuam nrog rau lwm cov co thiab alloys

Tej zaum nws yog tsim nyog mus cuag lub dag nrog rau lwm cov txawv cov ntaub ntawv. Nyob rau hauv cov ntaub ntawv no, koj yuav tsum paub txog cov yam ntxwv ntawm tej hauj lwm. Thaum ua ke nrog rau steel yuav tshwm sim tej teeb meem, vim qhov sib txawv physico-tshuaj yam ntxwv ntawm ob alloys.

Ib tug ntau kho raws nyob rau hauv vuam yog qhov tsos ntawm tej kab nrib pleb ntawm lub steel nto ncaj qha hauv qab ib tug txheej ntawm tooj dag. nws yog pom zoo kom siv ib npib tsib xee hlau nyob rau hauv thiaj li yuav txo txoj kev pheej hmoo ntawm cov tsis xws luag. Qhov zoo tshaj plaws argon txheej txheem tau siv tungsten electrodes.

Lub ua ke ntawm titanium nrog tooj liab alloys tej zaum yuav ua rau cov tsim ntawm tshuaj bonds nkig. Qhov zoo tshaj plaws cov nyhuv yog tiav thaum uas siv cov intermediate inserts. Lawv yog ua los ntawm titanium hlau, doped nrog niobium los yog molybdenum. Nyob rau hauv tej rooj plaub, tau tso cai rau siv ua ke nrog ntawm alloys.

Lub cev thaj chaw ntawm niobium yog npaum li cas zoo titanium, ces nws lub siab nyiam welded mus rau lub dag. Txawm li cas los, lub lag luam yuav tsum tau nqa tawm nyob rau hauv ib tug inert ib puag ncig. Tshwj xeeb cov koob yees duab yog feem ntau siv, nyob rau hauv uas cov cua yog tshuaj kiag li.

Qhov kawg ib feem

Nws yuav tsum tau muab sau tseg tias dag vuam tshuab nws muaj nws tus yam ntxwv uas yuav tsum raug xam tias yog thaum tsim ib tug mus tas kev twb kev txuas ntawm lub tsev tsis muaj kev koom tes ntawm cov kws tshwj xeeb. Nyob rau hauv txoj kev tshawb no ntawm tag nrho cov ntsiab lus ntawm cov txheej txheem nws yog heev tau mus cuag kev ruaj ntseg sib txuas teb. Hais txog cov kev xaiv ntawm kev, nws yog ntau nyob rau hauv lub xub ntiag ntawm tej kev kho vajtse thiab kev khiav hauj lwm tej yam kev mob.