Tšusumetso ea Mocheso o Phahameng oa Tharollo ea Nitrojene Phekolo ea Khanyetso ea Ts'enyeho

Kalafo ea nitriding le carburizing holim'a lihlahisoa tsa tšepe e ka ntlafatsa litšobotsi tsa mochini oa lihlahisoa tsa tšepe. Ts'epe e sa hloekang e nang le ts'enyeho e ntle ea ts'enyeho e nang le Cr e na le bothata ba ho hanela ho apara hampe. Leha ho le joalo, ts'ebeliso ea mekhoa e boletsoeng kaholimo ea kalafo e ka ama khanyetso ea pele ea ts'enyeho ea ts'epe e sa hloekang. Phuputso ena e sebelisitse kalafo ea "nitrogen" solution ea mocheso o phahameng bakeng sa ts'epe e sa hloekang ea ferritic, e leng se pakang hore ho thatafala hoa bokaholimo le ts'enyeho ea ts'epe ea tšepe e sa hloekang e ntlafalitsoe ke kalafo ea mocheso o phahameng oa naetrojene.

Ha e bapisoa le austenitic celik, martensitic celik e na le matla a holimo empa e futsanehile ho hanyetsa kutu. Thutong ena, tšepe e se nang mokelikeli ea martensitic e ile ea phekoloa ka tharollo e tiileng ea naetrojene e phahameng. Liphetho tsa liteko ke tse latelang.

Method teko

Tšepe ea teko ke sesebelisoa sa martensitic celik SUS420J2 se rekisoang. Tšepe tšepe e entsoe ka seka-cylindrical sampole ea -25 limilimithara × 8 (limilimithara). Kamora ho sila bokaholimo ba pampiri ka pampiri ea emery e # 800, e ile ea fokotsoa mme ea hloekisoa ka acetone. Sebelisa sebōpi sa kalafo sa mocheso oa indasteri bakeng sa kalafo e phahameng ea mocheso oa nitrogen. Mokhoa oa kalafo ke hore kamora ho tlosa sepakapaka seboping ka naetrojene, sampole e futhumetse ho isa ho 1100 ° C ho e boloka e futhumetse, ebe e pholile ka naetrojene. Kamora moo, sampole e ile ea fuoa kalafo e tlase ea zero. Ebe mehlala e ile ea fuoa kalafo ea ho futhumatsa ea 160, 400, 450, 500, 550 ° C le 850 ° C ka ho latellana. Tekanyo ea thatafalo ea Micro-Vickers e ne e etsoa karolong ea sefapano sa sampole e alafiloeng, mme tlhahlobo ea microstructure, tlhahlobo ea X-ray, le ho lekanya ts'enyeho ea karolo ea sefapano. Ntle le moo, ho bapisa, thepa ea tšepe ea SUS420J2 e rekisoang e ile ea tima ka 1035 ° C mme ea halefa ka 160 ° C ho hlahisa thepa e tima le e bohale.

Liphello tsa Teko

Karolo ea thatafalo le microstructure ea thepa ea 160 ℃ ka mora kalafo ea mocheso o phahameng oa naetrojene e bonts'itsoe ho Setšoantšo sa 1. Boleng bo phahameng ka ho fetesisa ba boima ba karolo ea 160 material bohale ke 720HV, botebo bo phahameng ba ho boloka boima ke 0.25mm, mme thatafalo e mabapi e phahameng ho feta ea tšepe ea motheo. 50HV. Lera le bokaholimo ba thepa e bohale ho 160 ℃ ka bobeli ke sebopeho sa martensite. Ho tloha ts'ebetsong ea microstructure, moeli oa lera le thata la naetrojene ha o tsejoe.

Ho thatafala ha karolo ea mocheso o mong le o mong oa mocheso ho bontša hore karolo e thata ea 160-550 ℃ e fokotsehile butle-butle ho tloha holimo ho isa ho 0.8mm holimo, mme boima ba karolo ea thepa ea 850-annealed e ka bang 220HV ho tsoa ho holim 'a substrate. , Phetoho e nyane.

Li-microstructures tsa likarolo tsa sefapano sa thepa e halefileng ho 400 ° C le thepa e koahetsoeng ho 850 ° C li bonts'itse hore li-nitride precipitates li bonoe ho tloha holim'a thepa e koahetsoeng ho 850 ° C ho 0.8mm holimo. Nitride ena ke nitride e bakoang ke ho kopanya ha N le Cr ha martensite e fetoloa ferrite nakong ea annealing.

Kamora kalafo ea tharollo ea naetrojene, litlamorao tsa X-ray tsa lisebelisoa tse halefileng maemong a fapaneng a mocheso, tse tima le tse bohale le lisebelisoa tse so fumaneng kalafo ea tharollo ea naetrojene li bonts'a hore ho na le α (ferrite), thepa e bonolo le thepa e halefileng ho 160-500 ℃ . α '(Martensite), γ (Austenite). Ho na le α le α'in tse bobebe tse bonahalang ho 500 ° C. Ho na le α, α ', β-Cr2N, le Cr23C6 ho lisebelisoa tse seng tsa naetrojene tsa kalafo ea lisebelisoa le lisebelisoa tse koetsoeng tsa 850 ° C.

Karolo ea polarization ea thepa e ngoe le e ngoe e halefileng e bonts'a bokhoni ba ts'enyeho ba thepa e halefileng ho 160 ° C le thepa e bohale ho 400 ° C e phahame ho feta bokhoni ba ts'enyeho ba thepa ntle le kalafo ea tharollo ea naetrojene le thepa e bonolo. Mocheso oa tempering oa eketseha, 'me monyetla oa ts'enyeho oa fokotseha.

Phapang ea matla a ts'enyeho a SUS420J2 le SUS430 ka mocheso o futhumatsang e bontša hore ho hanyetsa ts'enyeho ea SUS420J2 kalafo ea naetrojene, thepa ea ho futhumatsa e 160, le thepa ea 400-tempering e betere ho feta ea tharollo ea tharollo ea nitrojene le kalafo ea naetrojene. Patsi e bonolo. Tloaelo ea phetoho ea kamano lipakeng tsa thempereichara e chesang le mocheso o ka bang teng ho SUS420J2 e ts'oana le ea SUS430, empa boleng ba boleng ba ts'enyeho ba SUS420J2 mochesong o mong le o mong oa tempering bo ka ba 0.15V e tlase ho feta ea SUS430.

Summary

Sesebelisoa sa SUS420J2 se ile sa lekoa ka kalafo ea kalafo ea naetrojene ka sebopi sa kalafo sa mocheso oa indasteri, 'me ha etsoa liqeto tse latelang.

• Boima bo phahameng ka ho fetisisa ba SUS420J2 naetrojene ea kalafo ea lisebelisoa tsa kalafo ke 720HV. Ho tloha holimo ho ea ho 0.8mm ho tloha holimo, ho thatafala ha SUS420J2 naetrojene tharollo ea lisebelisoa tsa kalafo e phahame ho feta ea substrate.
• Ho hanyetsa ts'enyeho ea SUS420J2 e ts'oaroang ka tharollo e tiileng ea naetrojene ebile e halefile ka 160 ° C le 400 ° C e betere ho feta SUS420J2 lintho tse tima le tse bohale.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape: Tšusumetso ea Mocheso o Phahameng oa Tharollo ea Nitrojene Phekolo ea Khanyetso ea Ts'enyeho

Minghe Khamphani ea Die Casting li inehetse ho etsa le ho fana ka boleng bo phahameng le likarolo tse phahameng tsa ho lahla likarolo Thining-Wall Die Casting,Hot Chamber Die lahla,Cold Chamber shoa lahla), Tšebeletso e chitja (Die Casting Service,Cnc Machining,Ho Etsa Mofuta, Bokaholimo Phekolo) .Na tloaelo efe kapa efe ea Aluminium die die cast, magnesium kapa Zamak / zinc die casting le litlhoko tse ling tsa castings lia amoheleha ho ikopanya le rona

Tlas'a taolo ea ISO9001 le TS 16949, lits'ebetso tsohle li etsoa ka mechini e makholo ea li-die casting, mechini e 5-axis le lits'ebeletso tse ling, ho tloha ho li-blasters ho isa mechini ea ho hlatsoa ea Ultra Sonic. sehlopha sa baenjiniere ba nang le boiphihlelo, lisebelisoa le bahlahlobi ho etsa moralo oa moreki o phethahala.

Moetsi oa konteraka oa li-cast cast. Bokhoni bo kenyelletsa likarolo tse batang tsa aluminium die die likarolo tsa 0.15 lbs. ho isa ho li-6 lbs., Ho theha phetoho e potlakileng, le machining. Litšebeletso tse kenyellelitsoeng boleng li kenyelletsa ho bentsa, ho thothomela, ho qhekella, ho phatloha ha lithunya, ho penta, ho roala, ho roala, kopano le lisebelisoa. Lisebelisoa tse sebelisitsoeng le tsona li kenyelletsa lits'epe tse kopantsoeng tse kang 360, 380, 383 le 413.

Zinc e shoa ho lahla thuso ea moralo / lits'ebeletso tsa boenjineri tse tšoanang. Moetsi oa moetlo oa li-castings tsa zinc tse nepahetseng. Li-castings tse nyane, li-castings tse phahameng tsa khatello, li-cast cast tsa hlobo, li-castings tse tloaelehileng tsa hlobo, li-unit tsa die le li-cast cast tse ikemetseng le li-cast cast tse tiisitsoeng li ka etsoa. Li-castings li ka etsoa ka bolelele le bophara ho fihlela 24 ho. Ho +/- 0.0005 ho. Mamello.  

ISO 9001: Moetsi ea netefalitsoeng oa 2015 oa magnesium ea die die, Bokhoni bo kenyelletsa khatello e phahameng ea khatello ea magnesium die cast to 200 ton room & 3000 kamoreng e batang, moralo oa lithulusi, polishing, molding, machining, powder & liquid paint, QA e felletseng e nang le bokhoni ba CMM , kopano, ho paka le ho tsamaisa.

ITAF16949 e netefalitsoe. Ts'ebeletso e 'ngoe ea ho lahla e kenyeletsa ho lahla lichelete,ho lahla lehlabathe,Matla a khoheli, Lahlehileng bubble lahla,Ho ts'oaroa ha Centrifugal,lephaka lahla,Sa Feleng hlobo lahlaBokhoni bo kenyelletsa EDI, thuso ea boenjiniere, ho etsa mohlala o tiileng le ho sebetsoa ka bobeli.

Lahla Liindasteri Liphuputso tsa likarolo tsa likarolo tsa: Likoloi, libaesekele, lifofane, liletsa tsa 'mino, sesepa sa metsi, lisebelisoa tsa Optical, li-sensor, mehlala, lisebelisoa tsa elektroniki, masaka, lioache, mechini, lienjine, thepa ea ka tlung, mabenyane, mabenyane, telecom, mabone, lisebelisoa tsa bongaka, lisebelisoa tsa litšoantšo, Liroboto, Litšoantšo tse betliloeng, Lisebelisoa tsa molumo, Lisebelisoa tsa lipapali, Lithulusi, Lipapali le tse ling. 

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