Titanium: titanium vuam (technology). Titanium vuam argon

Nyob rau hauv chaw ua dav hlua, shipbuilding, machinery, thiab nyob rau hauv ib co lwm yam lag luam rau cov siv thiab ua cov complex thiab xav tau ntshav siv kim ntaub ntawv xws li titanium. Nws yog zoo tsis tsuas rau nws uas tsis muaj phaus, tiam sis kuj lub fact tias cov hlau yog tsis raug mus rau xeb dab. Cia wb mus ze zog saib zoo li cas xyov yog titanium. titanium vuam - nws yog heev ib qho kev nthuav lub ntsiab lus tham txog qhov no thiab yuav tau los sib tham.

Ib me ntsis ntawm lus qhia dav dav

Cia li siv sij hawm thiab siv ib daim ntawm titanium tau tsawg. Feem ntau nws yog pretreated. Nws yog to taub hais tias nws yog feem ntau raug rau welding. Tab sis txij thaum active hlau yog hais txog intractable, cov kws txawj ntsib nrog qhov teeb meem ntawm kev puas tsuaj ntawm cov khoom nyob rau ib tug kub ntawm 400 degrees Celsius nyob rau hauv tus ntawm pa dej, pa, thiab nitrogen. Los ntawm nws tus kheej, cov txheej txheem yog heev, vim nws yog tsim nyog los ua raws li nrog ib tug loj tus naj npawb ntawm kev cai, los yog txhua yam ntawm vuam no yog tsim rau cov kev ua ntawm cov hlau. Nyob rau hauv txhua rooj plaub, hnub no kawm tau mus ua titanium. titanium vuam yog nqa tawm los ntawm ob peb txoj kev:

• electron nqaj;
• Arc flux;
• argon.

Tam sim no nrov yog tag nrho txoj kev, tiam sis feem ntau ntau argon Vuam rau ob peb yog vim li cas, uas peb yuav sib tham txog tom qab.

Titanium thiab nws alloys

Active hlau faib nyob rau hauv cov xwm txaus. Muaj ntau hais tias nws yog tsis txaus, tab sis nws yog tab tom nrhiav los sib piv. Nyob rau hauv txhua rooj plaub, tus nqi ntawm cov titanium nyob rau hauv lub kiav txhab loj dua cov tooj liab los yog cov hlau lead. Qhov no yog ib tug heev check hlau. Nyob rau hauv cov ntshiab daim ntawv nws nce mus txog ib lub zog ntawm 337 MPa, thiab nyob rau hauv lub hlau qhov kev txiav txim ntawm 1 mus rau 250 MPa. Lub melting point ntawm titanium - 1668 degrees Celsius.

Thaum ib txwm kub, nws yog resistant rau corrosion thiab ua hauj lwm nyob rau hauv hostile ib puag ncig. Txawm li cas los, thaum kub nce mus txog 400 degrees Celsius tsav tsheb yam ntxwv yog plummeting. Nws reacts zog nrog lub nitrogen pib yuav tsum tau oxidized los ntawm cov pa thiab dej vapor, uas loj txwv nws tau. Nws yog noteworthy tias cov khoom ua tsis yog nquag kub cracking thaum lub sij hawm Vuam, tab sis nws grain ua loj, uas impairs kev yam ntxwv ntawm cov hlau thiab cov weld zoo. Nyob rau hauv hauv paus ntsiab lus, peb to taub ib tug me ntsis uas yog titanium. titanium vuam - ntawm no yog dab tsi ntxiv yog nthuav. Qhia rau peb paub thiab peb mam li tham.

Technological nta vuam

Thaum lub sij hawm tam sim no peb tsis tau hais tias titanium yog ib tug rarity nyob rau hauv no los yog tias cov khoom. Nws ua hauj lwm nrog nws ib tug ntau ntawm manufacturers los ntawm ntau yam industries. Tab sis nws yuav tsum tau to taub hais tias titanium - ib tug active tshuaj caij. Qhov no qhia tias kev siv ntawm cov pa welding tsis tsim nyog. Yog vim li cas yog hais tias thaum lub sij hawm lub caij nplooj zeeg ntawm cov pa phem nyob rau hauv daim ntawv ntawm cov carbides thiab nitrides uas txo qhov kev kawm ntawm cov khoom.

Yog li ntawd, qhov yooj yim mob rau welding - tag rho tawm los ntawm lub surrounding ib puag ncig. Cov no yog cov: pa, nitrogen, hydrogen thiab lwm tus neeg. Nyob rau hauv tas li ntawd, lub vuam ua hauj lwm yuav tsum tau nqa tawm nyob rau hauv siab kuj speeds. Heev cua sov nyob rau hauv lub siv lead ua ntxaij ntoo expands grain, uas ho tsub kom lub brittleness. Nyob rau hauv txhua rooj plaub, vuam ntawm titanium, uas yuav tsum tau los sib tham nyob rau hauv ntau yam hauv qab no technology - complex thiab nyuaj txheej txheem. Thiab tam sim no cia mus ntxiv.

Titanium vuam argon

Argon hom Vuam no hlau yog feem ntau nrov ntawm cov tub txawg thoob ntiaj teb. Qhov no yog vim lub fact tias muaj yog tsis siv fluxes thiab electrodes yog li ntawd ua ntau hloov maj mam thiab complex vuam hauj lwm. Tsis tas li ntawd, ib txoj kev muab argon welds koom high-quality hom welding. Nrog lub cuab yeej ntawm high-zoo foob tau.

Peb yuav tsis hais txog cov universality ntawm argon welding. Nws cov lus dag nyob rau hauv lub fact tias muaj yog lub peev xwm los mus daws ob loj lug thiab qhov chaw me me. Leeg no muab cov zoo tib yam. Tsis tas li ntawd, argon vuam ntawm titanium yog zoo los ntawm qhov tseeb hais tias nws yog ua tau mus ua hauj lwm rau ib lub me me tam sim no, thiab nws tso cai rau weld khoom muaj ib tug tuab ntawm 0.5 hli. Argon yuav restore paub meej poob lawv thawj volume.

vuam ntawm titanium thiab nws alloys: Technology

Ua hauj lwm yuav tsum tau muab lis ua los ntawm ib tug tsim nyog ti teg taw nrog rau cov khoom uas tsimnyog siv. Nyob rau hauv tas li ntawd, qhov no multi-kauj ruam cov txheej txheem. Tag nrho cov kauj ruam yuav tsum kom rigorously tsim ib theem zuj zus thiab ua raws li cov qauv.

Tus thawj theem - kev npaj. Rau ntawm no theem nws yog tsim nyog los ntxuav lub hlau nto. Nws tseem ceeb heev kom tshem tawm cov oxide zaj duab xis. Sawv feem ntau kho oxyfuel txoj kev. Yam los yog workpiece ua nrog fluorine thiab ib tug acid (hydrochloric). Qhov no yuav tsum tau muab khaws ib qhov kub ntawm 60 degrees Celsius. Ntawm no nws yog qhov tseem ceeb los mus muab kev tiv thaiv rau cov kho hlau los ntawm cov tshuaj tiv thaiv nrog lub atmospheric cua ob sab nraum thiab los ntawm cov rear sab. Yuav kom qhov no kawg, tsim tooj liab los yog hlau los uas yuav tsum tau ua ntawv thov mus rau lub leeg. Nyob rau hauv tas li ntawd mus rau lub pawm no ntau npau tso cai rau kev siv ntawm kev tiv thaiv visors thiab tshwj xeeb nozzles.

Thaum lub sij hawm vuam txoj kev

Cov txheej txheem yuav siv sij hawm qhov chaw nyob rau qhov tam sim no. Lub burner yog ntsia ib tug tshwj xeeb tungsten electrode. Thaum lub hlau los rau hauv kev sib cuag nrog lub electric arc tsim weld pas dej ua ke. Kub nws Feem ntau Nws ncav 6 txhiab degrees Celsius.

Nyob rau hauv lub siab ntawm lub arc molten titanium dog dig raug thawb. Nws hloov tawm hais tias lub burner Burns nyob rau hauv lub caij so. Qhov no yuav suav hais tias ib tug kom zoo dua li ho paub tob tob hwj chim. Tsis tas li ntawd, lossi pumped argon, uas muab kev tiv thaiv tiv thaiv tau raug cov pa, nitrogen thiab lwm cov kab mob.

Ib yam dab tsi lwm tus

Hais txog thiab kho nrog titanium. Khaub thuas vuam yuav siv cov muab tub lim hlau xwb thaum tus hlau thickness tshaj 1.5 hli. Yog hais tias lub thickness yog 10-15 hli, lub vuam yog nqa tawm nyob rau hauv ib tug Submerged Arc zaj. Yog hais tias lub chaw ua hauj lwm twb nqa tawm nrog lub observance ntawm technology, cov leeg yuav tsis tau ua los ntawm cov slag. Nws yuav ua tau ib tug swm thiab siab zoo. Tej tebchaw yog yus muaj los ntawm siab airtightness thiab durability.

Arc vuam thiab electron nqaj vuam

Submerged arc vuam yog ib tug tsis ntev los no. Cov qauv no yog raws li nyob rau hauv lub rwb thaiv tsev cov ntaub ntawv uas los ntawm cov sab nraud chaw tshwj xeeb fluxes. Flux yog ib yam ntawm cov tshuaj txhuam. Qhov tseem nquag siv ntsaum-A ntau yam ntawm kev hloov kho. Lub peculiarity ntawm txoj kev muaj nyob rau hauv lub fact tias nws twb tau mus cuag ib tug zoo dua siv lead ua ntxaij ntoo qauv tshaj thaum Vuam nyob rau hauv ib tug inert cua. Yog li ntawd, nws yog dua li kho nrog titanium. Vuam titanium xws txoj kev tsis thuam qhov kev kawm ntawm ib sab.

Electron nqaj vuam muaj ntau drawbacks. Tab sis muaj ib tug tseem ceeb kom zoo dua, uas yog tag nrho kev tiv thaiv los ntawm cov sab nraud ib puag ncig ntawm cov hlau. Qhov no pub rau ib tug heev zoo siv lead ua ntxaij ntoo. Thaum zoo li no cov txheej txheem yuav siv sij hawm qhov chaw nyob rau kev kub ceev, txo lub zog kev siv ntawm cov ua hauj lwm ua. Muaj kuj yog electro-slag welding, uas mus rau hnub tim tsis tau txais kom zoo tis. Nws feature muaj nyob rau hauv hais tias electrodes yog siv los ntawm cov tib cov ntaub ntawv uas raws li lub welded nto nyob rau hauv tus txheej txheem.

xaus

Tam sim no koj muaj ib tug general lub tswv yim li cas ib tug welding. Titanium inverter vuam uas yog dav siv, muaj nws tus yam ntxwv. Uas yog vim li cas nws yog siv qhov twg tsis muaj haum steel los yog lwm yam hlau. Tab sis tus nqi ntawm cov khoom rau welding, lub zog kev siv ntawm cov txheej txheem, raws li zoo li ntau lwm tsis zoo yam tsis conducive mus rau lub kev loj hlob ntawm txoj kev siv ntawm no hlau. Cuaj kaum, ib co tuam txhab uas muag yog lossi sim ua kom ntau li ntau tau nyob rau hauv thiaj li yuav ua rau nws yooj yim dua thiab yooj yim dua kom tau ib tug zoo weld. Piv txwv li, tus thawj coj nyob rau hauv kev muag khoom ntawm additives yog ib tug khov "Elf Villingen" - "Titan". Khaub thuas vuam siv lub tuam txhab ua ib tug complex thiab lengthy. Ntawm cov hoob kawm, tus rookie tseem tsis tau tiv nrog xws li ib tug neeg ua hauj lwm, tab sis tus kws khomob tshwjxeeb yuav muaj ntau yam yooj yim ua lawv txoj hauj lwm. Yeej, qhov no yog tag nrho cov uas yuav tsum tau hais txog Vuam ib tug hlau xws li titanium.