Yuav ua li cas ua noj stainless hlau? Vuam tshuab, khoom siv

Yuav ua li cas ua noj stainless hlau - ib qho tseem ceeb heev rau qhov kev lag luam niaj hnub. Nws yog tsim nyog sau cia tias hom hlau no yog ib qho khoom haum haum, vim li ntawd nws ua tau qee yam kev nuances. Qhov kev xaiv ntawm txoj hlua yuav tsum yog nyob ntawm lub thickness ntawm lub workpieces, thiab nyob rau hauv cov tshuaj lom neeg muaj pes tsawg leeg.

Stainless hlau. Ntsiab Ntaus

Stainless hlau yog ib qho ua los ntawm cov pa roj carbon thiab hlau, alloyed nrog chromium. Cov ntsiab lus siab ntawm lub xeem xeem kom zoo siab ntawm cov khoom nyob rau hauv ib qho chaw corrosive. Chromium oxides roos ib tug tshwj xeeb kev tiv thaiv zaj duab xis los ntawm kev uas yog lub hauv paus hlau khaws nws kuj. Tsis tas li ntawd, hlau yog ciaj ciam nrog nickel, cobalt, thiab titanium. Qhov tseem ceeb ntawm cov hlau tsis muaj cov xim tsis muaj zog tuaj yeem tiv tauj nrog kev txhoj puab heev, siab zog, ntsig txog, thiab ntev ntawm kev lag luam. Tsis tas li ntawd, cov hlau muaj qhov zoo nkauj zoo nkauj.

Properties Vuam steel resistant rau xeb

Cov ntaub ntawv no muaj ntau txoj kab tawm loj. Raws li qhov tsim nyog tau, nrog cov thermal effect ntawm lub workpiece yuav deform, hloov nws cov me me. Yuav tsum tsis txhob muaj qhov teeb meem no, nws yog ib qho tsim nyog kom muaj kev sib txuas lus rau qhov sib txawv ntawm qhov chaw txuas. Qhov kev txiav txim ntawm high temperature tuaj yeem ua rau lub fact tias cov hlau alloyed me ntsis loses nws lub zog, qhov ua hauj rau corrosion decreases. Nyob rau hauv rooj plaub no, lub weld yuav tsum tau txias nyob rau hauv lub sij hawm. Cov thermal conductivity ntawm steel yuav tsum txo qhov tam sim no lub zog ntawm kwv yees li 25%. Nws kuj yog tsim nyog xaiv lub vuam electrodes kom raug, vim lawv muaj peev xwm overheat yog lawv ntev. Lwm cov teeb meem yog qhov zoo li ntawm cov roj carbides ntawm qhov chaw, intergranular corrosion.

Txoj kev ua noj ua haus hlau tsis huv

Nws muaj ntau txoj hau kev ntawm kev txhuam cov kab hlau tiv thaiv-tawv hlau. Nrog ib tug me me hlau thickness (1.5 hli), nws yog advisable siv arc vuam (inert gas). Yuav ua li cas ua noj stainless hlau nrog ib tug tuab ntawm tsawg tshaj li 0.8 mm? Nyob rau hauv cov ntaub ntawv no, siv cov pa pulsed arc. Nyias cov hlau kuj txuas nrog ib qho arc nrog lub dav hlau hloov ntawm cov khoom. Nce, txoj kev siv ntshav tau siv. Nws tuaj yeem siv rau ntau yam ntawm tuab ntawm cov kab. Hla ntu ntawm ntau tshaj 10 hli yog ua si nyob rau hauv ib lub pob ntawm pob. Tseem siv welding nrog high-frequency currents, laser txoj kev.

Argon khoom welding

Cov txheej txheem no tshwm sim hauv qhov chaw tiv thaiv roj - argon. Nws tiv thaiv cov khoom siv los ntawm cov teebmeem ntawm oxygen. Hauv cov cuab yeej tshwj xeeb yog ib qho uas ua rau nruab nrab ntawm ib qho thiab cov tungsten electrode. Nyob rau hauv tus txheej txheem ntawm cua sov, tus sawv yaj, ib tug tiv thaiv tiv thaiv da dej tshwm sim. Ib lub xaim tshwjxeeb rau kev siv cov hlau tsis muaj hlua kuj tseem tuaj yeem muab pub rau hauv lub nraub qaum. Txoj kev sib txuas ntawm nws tus kheej yog tsim ntawm ib lub kaum ntawm 90 °. Rau qhov ua haujlwm zoo tshaj plaws, nws yuav tsum tshem tawm cov kev tawm suab ntawm lub tshuab electrode. Raws li ib tug tshwm sim, ib tug seam dawb los ntawm slags yog tau. Xws li qhov zoo sib xws yog kev ua haujlwm zoo, ua haujlwm ntev, txaus siab rau txhua qhov kev xav tau. Welding ntawm stainless hlau roj yog siv hauv ntau cov lag luam: tshuaj lom neeg, zaub mov kev lag luam, kev lag luam tsheb, aviation, hluav taws xob hluav taws xob. Ntawm cov kev tsis txaus siab tuaj yeem txheeb tau ib qho kev siv loj ntawm lub sijhawm rau ntawm tus txheej txheem xwb. Tsis tas li, technology yuav tsum muaj kev txawj ntse thiab kev paub los ntawm cov neeg ua haujlwm.

Khoom siv rau argon-arc vuam

Ua ntej tshaj, ib qho kev siv hluav taws xob xav tau rau hom hlau txuas. Nws cov kev hloov kho thiab cov qauv yog zoo nkauj npaum li cas: "Svarog", KEMPPI Master, BRIMA, thiab lwm yam. Lub ntsiab zoo ntawm lub cuab yeej yog yooj yim ntawm kev lag luam, me me thiab qhov hnyav, ruaj khov. Inverters yuav siv tau rau cov vuam yuav luag txhua cov hlau, nrog cov kev sib txuas ntawm kev ua tau zoo. Yuav ua li cas ua noj stainless hlau inverter thiab dab tsi kuv yuav tsum xav txog? Ua ntej tshaj, koj yuav tsum xaiv qhov ntsuas kub zoo. Qee cov qauv tsis ua hauj lwm hauv qhov chaw qhib thaum muaj huab cua txias. Kuj tseem ceeb xyuas lub hwj chim ntawm lub cuab yeej. Rau kev siv tsev neeg, tus neeg siv khoom siv hluav taws xob txog li ntawm A A (piv txwv li, "Svarog TIG 200 P", PRO TIG 200 P) yog tsim rau lub tshuab ua ntej tu thiab ntuav. Rau cov vuam tsoo, yuav tsum muaj roj kheej kheej nrog argon. Txawm hais tias ua haujlwm nws raug tso cai siv siv roj nkev. Los ntawm cov pa roj hose txuas burner, nyob rau hauv uas lub yas dhos no tso tungsten electrode. Ntawm qhov cub hluav taws kub muaj cov nyees khawm rau khoom tam sim no thiab roj. Koj tseem xav tau ib txoj hlua hlau los ntawm tib cov ntaub ntawv raws li cov khoom sib txuas nrog.

Yuav ua li cas Semiautomatic Welding Works

Tshaj tawm ntxiv ua noj lub pas hlau tsis huv thaum kho ntawm lub tsheb, hauv lub neej? Nyob rau hauv rooj plaub no, feem ntau siv txoj kev ntawm vuam semi-automatic. Nws tuaj yeem tshwm sim nyob rau hauv qhov chaw tiv thaiv thiab tsis siv roj. Semiautomatic cov cav tov tseem siv hauv cov tsheb loj loj, uas qhia tau hais tias qhov zoo ntawm cov pob txha welded. Cov electrode thiab cov khoom siv rau hauv cov ntaub ntawv hauv qhov no yog kev xaim tshwjxeeb. Koj tuaj yeem ua haujlwm nrog cov khoom siv rau hauv ntau txoj kev: luv luv, dav hlau hloov, pulse welding ntawm stainless hlau. Cov tshuab ua haujlwm tsis muaj kev tiv thaiv roj, tabsis qhov no nws yog qhov tsim nyog xaiv cov hmoov av tshwj xeeb electrodes. Qhov no yog tsim rau kev ua hauj lwm hauv cov huab cua. Yuav tsis tas yuav (thiab, raws li, siv nyiaj ntxiv) ib lub nkev roj. Qhov no muaj nws cov ntsiab lus - dhau sij hawm, cov txha caj npab ua tau xeb. Yog li ntawd, cov kws txawj pom zoo siv cov khoom siv tshwj xeeb electrodes ntawm cov hlau tsis muaj khoob thiab welding siv argon. Hnub, muaj ntau ntau yam khoom ntawm cov twj siv twj ywm, ob lub tsev ("FEB", "Svarog"), thiab txawv teb chaws (BRIMA, EWM, TRITON, thiab lwm yam). Qhov kev xaiv ntawm cov khoom yog nyob ntawm cov dej num uas tau muab rau, tus nqi ntawm cov khoom siv thiab cov yam ntxwv ntawm cov ntaub ntawv los ua ke.

Siv cov electrode welding

Yuav ua li cas ua noj stainless hlau, yog hais tias tshwj xeeb yuav tsum tau mus rau qhov zoo ntawm cov seam tsis muab? Raws li txoj cai, electrode welding yog siv hauv cov neeg mob hauv tsev, thaum txuas txhua yam kav dej, hauv cov khoom me me, thiab kom tau txais lub luv fais. Tus essence ntawm tus txheej txheem no yog tsim kom muaj kev sib txuas los ntawm cov khoom siv ntawm lub workpiece thiab cov hlau ntawm electrode. Qhov zoo ntawm cov txheej txheem muaj xws li simplicity ntawm tiav, kev muaj peev xwm los ua ke ntau hom hlau (ob leeg nyias thiab qhov loj dua ntu). Yuav tsis muaj siv roj, uas ua rau txoj kev pheej yig dua. Kuaj vuam nrog cov electrodes ua rau nws ua tau los ntawm txoj kev sib zog ua kom tiav ntawm ntu. Muaj qee yam kev tsis zoo ntawm kev siv tshuab no. Ua ntej, lub weld seam yuav tsum tau tu los ntawm cov qhwv ntsej. Secondly, qhov vuam ceev me me.

Yuav ua li cas xaiv vuam electrodes

Electrodes rau stainless hlau yog dav siv los koom nrog corrosion resistant alloys uas muaj kev kub ntxhov. Raws li txoj cai, tus pas nrig yog tsim los ntawm cov xim nickel, chromium. Thaum phau ntawv arc vuam ntawm ob hom ntawm electrodes yuav siv tau. Thawj zaug - ua haujlwm raws li cov kev mob ntawm kev coj tam sim no. Qhov loj txheej feem ntau muaj magnesium, calcium carbonate. Welding electrodes nrog rutile txheej yuav ua haujlwm nrog hloov tam sim no. Thaum welding siv argon, ntau tus tungsten rods siv. Vim lawv kub hauj lwm kub, lawv tsis yaj. Muaj ntau yam ntawm lawv ntau yam. Ntsuab electrodes (WP) muaj xws li ntshiab tungsten. Lawv muab kev ruaj ntseg siab ntawm lub plawv. Dawb - WZ-8 - doped nrog zirconium oxide. Thorium oxide ntxiv rau cov liab electrodes. Qhov no yog pawg ntau tshaj, tus pas nrig muaj kev tiv thaiv siab. Kuj, tungsten electrodes tuaj yeem muaj xws li lanthanum, cerium.

Welded sib koom ua ke

Tom qab qhov kawg ntawm tus txheej txheem ntawm kev koom tes rau qhov chaw nws yog ib qhov tsim nyog los ntxuav lub seam. Qhov no yuav tsum tau ua kom thiaj li ua tau kom zoo li qub, nthuav lub neej. Txwv tsis pub, corrosion yuav tshwm sim hauv cheeb tsam no. Thawj zaug ntawm tag nrho, mechanical ntxuav ntawm welded sib koom tes yog nqa tawm. Ntau lub qhov muag, cov pob qij txha zoo saib tom qab xuab zeb. Cov kauj ruam tom ntej no yog sib tsoo lub ntsej muag. Nws tsis pom zoo kom siv abrasives raws li corundum, raws li nws tuaj yeem npau taws rau qhov pom ntawm corrosion. Nws yuav tsum tau muab sau tseg tias tag nrho cov kev tswj no yog tswj kev txhim kho cov tsos ntawm qhov. Tiv thaiv kev sib tsoo ntawm qhov kev puas tsuaj los ntawm kev cuam tshuam los ntawm kev cuam tshuam, cim sau. Etching yog qhov chaw kho mob nrog cov tshuaj tshwj xeeb uas txov cov nplai ua. Thaum kis tau los, ib qho khoom tshwj xeeb yog siv rau qhov chaw sib koom ua ke. Nyob rau hauv nws lub hwj, ib tug yeeb yaj kiab (ntawm chromium oxide) tshwm.

Laser txoj kev welding alloys

Ib qho ntawm feem ntau niaj hnub thiab kev ua hauj lwm kev txuas yog laser welding ntawm stainless hlau. Tus essence ntawm no txoj kev yog siv ntawm ib lub teeb laser raws li ib qhov chaw ntawm cua sov. Qhov no welding yog tsiag ntawv los ntawm kev kub ceev, siab concentration ntawm lub zog ntawm lub hlub. Lub thermal cuam tshuam rau ntawm thaj tsam, uas yog nyob ze ntawm lub seam, yog tsis tseem ceeb. Yog li ntawd, qhov kev pheej hmoo ntawm kev tsim kub los yog txias kab yog tsawg. Tus seev tau txais los ntawm qhov txiaj ntsim los ntawm nws lub zog, porosity yog qhaj. Nws tseem ua tau kom xa cov ntsiab ntawm alloying, shielding gas, rau qhov chaw txuas. Txij li tsis muaj vuam electrodes, cov pob qij txha txawv teb chaws tsis nkag hauv seam. Laser welding yuav siv tau txawm rau cov hniav nyiaj hniav kub, raws li tag nrho cov seams yog nyias, zoo huv si thiab ruaj khov. Qhov teeb meem tsuas yog tias cov cuab yeej yog kim heev, yog li qhov loj siv xws li kev sib txuas lus tseem tsis tau.