Pfupiso yeSAW Flux-cored Wire Hardfacing Technology
Nheyo yekushanda uye hunhu hwemaitiro
2.1 Nheyo yeKushanda
Kana SAW hardfacing ichishandisa waya ine flux-core, arc inopisa pakati pemagumo ewaya nepamusoro pe substrate. Granular flux inofukidza nzvimbo ye arc inoparadzanisa mhepo kubva mudziva rakanyungudutswa uye inodzivirira simbi yakanyungudutswa kubva mukuoxidation uye nitriding. Flux-core waya yesimbi inonyunguduka pasi pekupisa kwe arc, nepo alloy powder iri mukati me core ichinyunguduka mudziva rakanyungudutswa, ichigadzirisa makemikari e surfacing layer. Mushure mekutonhora, slag inoumbwa ne flux inosimba pamusoro pe weld, iyo inogona kubviswa zviri nyore, ichisiya surfacing layer yakatsetseka, yakasimba.
2.2 Hunhu Hukuru hweMaitiro
Kushanda Kwakanyanya Kwekuisa Nzvimbo: SAW inogona kushandisa magetsi makuru (kazhinji 300~800A) pakushongedza nguva dzose, mwero wekuisa unogona kusvika 8~12 kg/awa, inova yakapetwa kaviri kusvika katatu kupfuura yekushongedza nemaoko, yakakodzera kugadzirwa kwemaplate ekupfeka munzvimbo yakakura.
Chimiro cheAlloy Chinodzorwa: Waya ine flux-core inogona kuwedzera zvinhu zvakasiyana-siyana zvinoumba carbide zvakaita se chromium, molybdenum, vanadium, tungsten uye niobium muhupfu hwepakati, izvo zvinogona kudzora nemazvo kuomarara uye kuramba kupfeka kwechikamu chepamusoro nekugadzirisa zviri mukati mezvinhu izvi, zvichienzaniswa newaya yakasimba, ine kushanduka kukuru mukugadzirwa kwe alloy.
Hunhu Hwakanaka Hwekugadzira: Pasi pekuchengetedzwa kwemvura inoyerera mumvura, chikamu chepamusoro chakafanana uye chakatsetseka, chisina kupfapfaidza kuri pachena, uye basa rekugadzirisa mushure mekukwesha diki. Kudzika kwekupinda kunogona kugadziriswa nekushandura maparamita ekukwesha, izvo zvinogona kudzora zvinobudirira mwero wekuderedzwa kwechikamu chepamusoro kusvika pachikamu chepamusoro, zvichiita kuti chikamu chepamusoro chirambe chakasimba uye kuramba kupfeka.
Kushanda Otomatiki Kwakagadzikana: Maitiro ese anogona kuitwa nekushanda kwemichina uye otomatiki, izvo zvinoderedza zvinodiwa nehunyanzvi hwevashandi uye zvinovimbisa kuenderana kwemhando yeplate yega yega yekupfeka.
Kurongwa kweCommon Alloy System uye Mashandiro
Waya dzine SAW flux-core dze wear plate hardfacing dzinonyanya kurongwa zvichienderana nekuumbwa kwadzo, uye masisitimu akasiyana e alloy anoenderana nemamiriro akasiyana ekushandiswa uye kuramba kupfeka. Magadzirirwo akafanana ndeaya anotevera:
| Sisitimu yeAlloy | Zvinhu Zvikuru zveAlloy | Hurefu hweKuoma (HRC) | Hunhu Hukuru hweKushanda | Maitiro Akajairika |
| Rudzi rwesimbi rwakagadzirwa neChromium Yakakwira | Cr 15~30%, C 2~5%, huwandu hushoma hweMo, Ni, Nb | 55~65 | Kudzivirira kupfeka kwakanaka kwazvo, kudzivirira kukanganiswa, mutengo wakaderera, sisitimu ye alloy yakakura | Mapureti ekushandisa mumigodhi, mapurasitiki ekupwanya, mapurasitiki ekugadzira simende, mapurasitiki ekutakura zvinhu zvinokwenya |
| Rudzi rweChromium Carbide Composite | Cr 25~40%, C 3~6%, yakawedzera V, W, Ti | 60~68 | Chikamu chikuru che hard carbide, kuramba kupfeka kwakanyanya, kuomarara zvishoma | Zvinhu zvinoda kushandiswa zvakanyanya sekupfeka zvinhu zvakaita semidziyo yekugadzira jecha, mazino ekupwanya matombo, mapureti emazino emabhaketi ekuchera |
| Rudzi rweMartensite Rudiki rweCarbon Alloy | Cr 4~10%, Mo 1~3%, Mn 1~2%, C 0.2~0.6% | 35~50 | Kusimba kwemhedzisiro yakanaka, kuramba kupwanya kweweld zvakanaka, kunogona kutakura mutoro mukuru wemhedzisiro, kuramba kupfeka zvine mwero | Chidimbu chebulldozer, ndiro yekuchera bhaketi, nzvimbo hombe yefoshoro yemugodhi inoda kusimba zvakanyanya |
| Niobium Vanadium Carbide Type | Nhamba 10~20%, V 5~15%, Cr 10~15% | 62~68 | Carbide yakaoma yakagadzirwa zvakanaka, inodzivirira kupfeka zvakanaka uye inoshanda zvakanaka pakupisa kwakanyanya | Kupfekwa kwemafuta pakupisa kwakanyanya senge maplate ekutakura zvinhu anodziya zvakanyanya, mapurasitiki emidziyo inodziya |
| Rudzi Rwakasimbiswa rweCeramic rwakasanganiswa | Yakawedzera zvidimbu zveceramic zvakaita seWC, TiC muhupfu hwepakati | 65~72 | Kuramba kupfeka kwakanyanya, mutengo wakakwira | Mamiriro ezvinhu akakombama akadai semadhiramu ekuchekerera marasha, zvigadziko zvemichina yekugaya migwagwa |
Zviratidzo Zvikuru zveKushanda kwePlati Yekupfeka
Kushanda kweplate yekupfeka yakasimba kunoongororwa zvakanyanya nezviratidzo zvikuru zvinotevera:
4.1 Kuomarara kwechikamu chepamusoro
Kuomarara ndicho chiratidzo chinonyanya kukosha chekuyera kuramba kwekupfeka. Kazhinji, kuomarara kwacho kwakanyanya, ndiko kuri nani kuramba kwekupfeka. Kuomarara kwemapuleti ekupfeka akaomarara ari pamusika kunonyanya kuunganidzwa mu50~65 HRC, uye zvigadzirwa zvakakosha zvinogona kusvika kupfuura 70 HRC. Zvinofanira kucherechedzwa kuti kuyedzwa kwekuomarara kunofanirwa kuitwa mushure mekunge jira repamusoro ragadzikana, kazhinji mushure mekubvisa pamusoro pe1~2mm slag uye dilution layer kuti ive nechokwadi chekuti mhedzisiro yebvunzo ndeyechokwadi.
4.2 Mwero weKusanganiswa
Kuwanda kwemvura inonyunguduka kunoreva huwandu hwezvinhu zvakanyungudutswa zvakasanganiswa nechikamu chepamusoro. Kuwanda kwemvura inonyunguduka kunoderedza huwandu hwezvinhu zve alloy muchikamu chepamusoro, zvichikonzera kudzikira kwekuoma uye kuramba kupfeka. Kune SAW hardfacing ne flux-cored wire, kutonga kwakanaka kwemaitiro kunogona kudzora mwero wekunyunguduka mukati me10~20%, uye multi-layer surfacing inogona kuderedza zvakanyanya simba rekunyunguduka.
4.3 Kuramba Kutsemuka
Mazhinji emarata akaomarara anopfekwa zvakanyanya anowanikwa muzvinhu zvine kabhoni yakawanda uye zvine alloy yakawanda, izvo zvinowanzokonzera mitswe ye welding panguva yekutonhora. Dhizaini yakanaka yewaya ine flux-core uye yekudziisa usati waisa welding (kazhinji ichidziisa kusvika 150~300℃ zvichienderana nemasisitimu akasiyana e alloy) inogona kuderedza kupwanyika. Kune mashandisirwo asingade mitswe pamusoro pe wear plate, masisitimu e alloy ane kabhoni shoma kana maformulation akasarudzika anodzivirira mitswe anogona kusarudzwa.
4.4simbi yekabhoni, uye ndiro yekupfeka yakagadzirwa nesimbi yakasimbiswa inogona kusvika kupfuura 20 timKuramba Kupfeka
Chiratidzo chakananga chekuongorora mashandiro eplate yekupfekwa ndechekusapfeka zvakanaka, kureva kuti, chiyero chekurasikirwa nehuremu hweplate yekupfekwa yakaedzwa uye sample yakajairika pasi pemamiriro akafanana ekuyedzwa kwekupfekwa. Kusapfekwa kweplate ine chromium cast iron hardfacing plate ine chromium yakawanda inowanzo kuve yakapetwa ka5-10 pane yakaderera.
Gwaro Rekusarudza Kwemamiriro Akasiyana Ekushandisa
Pakusarudza waya ine SAW flux-core yekusimbisa plate yekukwesha, inofanira kuenzaniswa zvichienderana nechimiro chikuru chekukundikana kwechikamu chekukwesha:
Kusashanda zvakanaka kwemuviri kusingakuvadzi zvakanyanya: Zvakadai sechute yesimbi yesimbi, plate yekuongorora matombo, jecha rinotakura zvinhu. Zvinokurudzirwa kusarudza waya ine chromium yakawanda ine flux-core ine 58~62 HRC, ine mashandiro anodhura uye inogona kusangana nezvinodiwa zvehupenyu hwebasa.
Kukanganisa kwakasimba uye kupfeka zvinorwadza: Zvakaita sebanga rebulldozer, bhaketi remuchina weinjiniya, musoro wehammer yemugodhi. Zvinodiwa kuti jira risingaparare rive nekusimba kwakati uku riine kuramba kupera, uye zvinokurudzirwa kusarudza waya ine martensitic alloy flux-core ine 40~50 HRC kudzivirira kutsemuka nekutsemuka kwejira riri pamusoro paro kana rarova.
Mamiriro ekupfeka zvakanyanya: Zvakadai semichina yekuchera marasha, mapurati ekukwesha ekugadzira migwagwa, mapurasitiki ekupwanya simbi. Zvinokurudzirwa kusarudza waya ine chromium carbide composite kana ceramic reinforced flux-cored ine 62~68 HRC, iyo inogona kuwedzera hupenyu hwebasa rezvikamu, kunyangwe mutengo wacho wakakwira.
Kupfeka tembiricha yakanyanya: Zvakadai semapallet emuchina we sintering, mapurati e coke oven conveyor, mapurati e metallurgical slag processing. Zvinokurudzirwa kusarudza waya ine niobium-vanadium alloyed flux-cored, iyo inochengetedza kuomarara kwakanyanya uye kuramba kuoxidation pakupisa kunosvika 600℃.
Zvinhu Zvinofanira Kutariswa Mukugadzirisa Kusona
Kuti uwane mapurati ekukwesha emhando yepamusoro, zvakakosha kudzora zvinhu zvakakosha zvekugadzirisa welding:
Kugadzirira usati waisa Welding: Pamusoro pe substrate panofanira kucheneswa kubva mumafuta, ngura uye oxide scale kudzivirira maburi uye zvikanganiso zvekubatanidza. Kune substrate dzakakora uye waya dzine alloy yakawanda, kupisa kusvika 150~300℃ pachine nguva kunogona kuderedza kushushikana kwe welding uye kudzivirira kutsemuka.
Kusarudzwa kweParamende: Pawaya ine flux-core yakafanana ine dhayamita ye1.2mm ~ 2.4mm, welding current inowanzova 250~ 600A, welding voltage iri 28~ 38V, uye welding speed iri 300~ 600mm/min. Kana waya yakakura, dhayamita yacho inowedzerawo. Kuderedza welding current zvakakodzera uye kuwedzera welding speed kunogona kuderedza dilution rate ye substrate.
Dhizaini yeRutivi rwepamusoro: Ukobvu hwechikamu chinodzivirira kupera simba hunowanzogadzirwa se3 ~ 12mm. Pakufukidza pamusoro pezvikamu zvakawanda, tembiricha yepakati pezvikamu inofanira kudzorwa isingapfuure 300℃ kudzivirira kukura kwezviyo zvakanyanya kukanganisa mashandiro. Pamaplate ekupfeka anoda kukotama uye mushure mekugadziriswa, pamusoro wacho unofanirwa kuitirwa pachigadziko mushure mekukombama kuti usatsemuke nekuda kwekukombama mushure mekukombama.
Kurapa Mushure mekushongedza: Mushure mekusonta, inofanira kutonhodzwa zvishoma nezvishoma, kunyanya waya dzine alloy yakawanda, kudzivirira kutsemuka kunokonzerwa nekutonhora nekukurumidza. Kune zvikamu zvinoda kusununguka kwekushushikana, annealing yekurerutsira kushushikana inogona kuitwa pa200~300℃ mushure mekusonta kuti ibvise kushushikana kwekusonta kwakasara.
Maitiro Ekusimudzira Maindasitiri
Mumakore achangopfuura, waya yeSAW flux-core yekuisa plate hardfacing ine nzira dzinotevera dzekugadzira:
Chekutanga,dhizaini yesimbi inoshanda zvakanyanya, kushandiswa kwakawanda kunoda kuramba kupfeka kwakanyanya uye hupenyu hwebasa hwakareba, saka kugadzirwa kwewaya dzakasimba dzakasanganiswa dzakadai seWC neTiC kuri kukurumidza, uye huwandu hwewaya dzine alloy yakawanda mumusika huri kuwedzera gore negore.
Chepiri,isina kutsemuka uye inovandudza kusimba kwayo zvakanyanya, mashandisirwo mazhinji einjiniya anoda kuti pamusoro peplate yekukweva isabvumire kutsemuka, izvo zvinokurudzira kugadzirwa kwemafomula asingakanganise kutsemuka kwekabhoni, ayo anoenzanisa kuomarara nekusimba nekuvandudza chiyero chealloy uye kudzora microstructure.
Chetatu,kugadzirwa kusina njodzi kune zvakatipoteredza, chizvarwa chitsva chewaya ine flux-core inoderedza huwandu hwezvinhu zvinokuvadza zvakaita se cobalt nezvinhu zvine radioactive, uye matched immersed arc flux inoendawo kune nzira dzisina kusvibiswa zvakanyanya uye dzinogona kushandiswazve, izvo zvinosangana nezvinodiwa zvekugadzira green.
Chechina,budiriro yakagadzirwa, pamamiriro akasiyana ekupfeka mumaindasitiri akasiyana, vagadziri vakaburitsa zvigadzirwa zvakatsaurirwa zvakasiyana-siyana, izvo zvinogona kuita kuti mashandiro aenderane nemazvo, zvichidzivirira kutambisa mashandiro kana kusakwana kwehupenyu hunokonzerwa nekushandiswa kwezvigadzirwa zvakajairika.
Nhanganyaya yeKambani
Tangshan Runxing Machinery Co., Ltd., kambani inogadzira michina iri muTangshan, Hebei Province iyo inotarisa paR&D, kugadzira uye kuvaka zvigadzirwa zvesimbi zvisingapfeki, yakavambwa muna 2010.
Zvigadzirwa zvedu zvikuru zvinosanganisira mapurati ekupfeka echromium carbide overlay (CCO), machira ekupfeka akagadzirwa nemaoko, mapaipi nemapipe fittings asingatsvedzi, waya dzekuwelda dzine flux-core, michina yekuwelda inongoerekana yagadzirwa otomatiki, uye sevhisi yekugadzirisa maroller surfacing. Isu tinotevera pfungwa yebhizinesi rekuti "Kuvimbika, Hunhu Hwepamusoro, Kugadzira Zvinhu Zvitsva & Kubudirira Kunogara Kwenguva Refu" uye tine tekinoroji yedu yepamusoro yesimbi inova pamusoro pesimbi.
Tinopa mhinduro dzakagadzirwa kuti dzisaparare dzemaindasitiri esimende, simbi, migodhi, chiteshi chengarava uye kugadzira madhirowa pasi rese, uye tawana mukurumbira wakanaka pamusika muRussia neCentral Asia.
Mabhizinesi ese ekutumira zvinhu kunze kwenyika ane mvumo uye anotarisirwa zvizere neHebei Yuwan International Trade Co., Ltd. Kambani iyi yekutengesa inopedzisa mabasa ese ekutumira zvinhu kunze kwenyika kusanganisira kubvisirwa kwemitengo, kutumira zvinhu, magwaro uye kuunganidzwa kwemari yekubhadhara. Fekitori yedu inotarisa pakugadzira nekugadzira zvigadzirwa kuti ive nechokwadi chekuti zvigadzirwa zvakanaka uye kuti zvinotumirwa nenguva.
Runxing Machinery inotarisira nemwoyo wese kushanda pamwe kwenguva refu uye kuwana rubatsiro pamwe chete nemi!
Kuratidzwa
Mibvunzo Inowanzo bvunzwa
Ehe, tinogona kupa vatengi sampuro dzemahara asi vatengi vanofanira kubhadhara mari yekutumira.
Ndapota ipai giredhi, hupamhi, ukobvu, zvinodiwa pakugadzirisa pamusoro uye huwandu hwamunoda kutenga.
Mitengo inosiyana zvichienderana nekuchinja kwemitengo yezvinhu zvakagadziriswa nguva nenguva.
30% T/T pachine nguva, chiyero chisati chatumirwa
Ehe, kana uine dhizaini yako, tinogona kugadzira zvinoenderana netsanangudzo yako uye dhizaini.
