Phuputso e mabapi le Welds e Kopaneng ea NiCrMoV Dissimilar Steel Properties Le Microstructure

Rotor ke e 'ngoe ea likarolo tsa mantlha tsa lisebelisoa tse kholo tsa turbine ea steam. Hajoale, ho na le mekhoa ea ho etsa thepa e meraro: sete, karolo eohle le ho tjheseletsa. Ha e bapisoa le mekhoa e 'meli e fetileng, rotor e nang le welded e na le moralo o tenyetsehang, sebopeho se kopaneng, boima bo bobebe, ho tenyetseha hantle le khatello ea maikutlo. Melemo ea li-forgings tse nang le likarolo tse tlase tse nang le boholo bo bonyenyane, netefatso ea boleng bo bonolo le potoloho e khuts'oane ea tlhahiso e khethiloe ke baetsi ba bangata ba li-turbine lefatšeng. Bakeng sa li-rotor tse kopaneng tse phahameng, tse mahareng le tse tlase tse kopaneng, lisebelisoa tse fapaneng li ka sebelisoa bakeng sa likarolo tse fapaneng ho ntlafatsa litšobotsi tsa thepa, ho fihlela motsoako o motle, ho boloka likarolo tsa bohlokoa le ho fokotsa litšenyehelo tsa tlhahiso.

Theknoloji ea tšepe ea tšepe e sa ts'oaneng e sebelisitsoe hanyane ka hanyane tlhahiso ea li-turbine tsa moea o le mong oa silindara, li-turbine / li-turbine tsa potoloho e kopaneng, le li-rotor tse phahameng / tse mahareng tsa khatello ea li-turbine tsa mouoane tse phahameng haholo. Tšepe ea NiCrMoV ke mofuta oa tšepe e nang le motsoako o tlase o matla o sebelisoang haholo mechineng e meholo ea mouoane. E na le matla a phahameng le ts'ebetso e ntle ea mocheso o tlase. Ho latela likarolo tse fapaneng tsa likarolo tsa mantlha tse kang Ni, Cr, Mo, V, e ka etsoa ka maemo a fapaneng a matla, Sebopeho le thepa ea tšepe.

Mofuta ona oa lisebelisoa o na le kutloisiso e phahameng ea ho halefa, 'me ho bonolo ho hlahisa brittleness ha e sebelisoa nako e telele ho 350 ～ 500 ℃. Ha ho na tlaleho ea lipatlisiso mabapi le hore na brittleness e hlaha ho NiCrMoV e sa ts'oaneng le tšepe e ts'oereng tšepe ha e se e tsofetse. Ho bontšitsoe libukeng hore brittleness ea botsofali ea NiCrMoV tšepe e ka bang 250 ～ 400 ℃ le li-carbide tse boreleli li thehiloe moeling oa lijo-thollo le moeli oa lijo-thollo nakong ea botsofali, ho bola ha li-austenite tse bolokiloeng le karohano ea liathomo tse nyarosang. moeling oa pele oa lijo-thollo oa austenite o amanang.

Leqepheng lena, kopane e kopantsoeng ea karolo ea welded simulation e entsoeng ka NiCrMoV tšepe e sa tšoaneng e khethoa ho fihlela 3500h tlasa tikoloho ea ts'ebeletso e etsisoang, ebe ho nkuoa lisampole sebakeng se seng le se seng karolong ea ketsiso bakeng sa teko ea tšusumetso, le lik'hemik'hale le metallography ea sampole e amehang ea etsoa. Microscopy, ho sekaseka microscopy ea elektronike, ho qhekella ha elektronike le tlhahlobo e 'ngoe ea liteko ho ithuta kamano ea ka hare lipakeng tsa ho thatafala le sebopeho sa microstructure ea lenonyeletso kamora ho tsofala. Liphetho tsa lipatlisiso li fana ka motheo oa ho sekaseka tšenyo ea thepa le ho amoheloa ha li-rotor tse nang le moea o futhumetseng moeeng, le ho sisinya maano a taolo.

Lisebelisoa tsa liteko ke 22Cr2NiMoWV le 30Cr2Ni4MoV tšepe forgings. Lisebelisoa tsena ka bobeli ke tšepe e sa tsoakoang, e fokotsang litšila tse kang S, P, As, Sn, Mn, jj. Thepa ea mochini e bonts'oa ho Tafole ea 1.

Likarolo tse fapaneng tsa tšepe tsa ho tjheseletsa litšepe tsa mefuta ena e 'meli ea tšepe li entsoe ka moqomo o moqotetsane, argon arc welding backing le tebileng e moqotetsane lekhalo le koahetsoeng ka arc welding, selikalikoe le litšepe tse ngata, mme thepa ea ho tjheseletsa ke terata e khethehileng ea ho tjheseletsa e nang le 2% Ke. Kamora ho tjheseletsa, likarolo tse etsisitsoeng li tlas'a kalafo ea khatello ea khatello ea lehae le 350 ℃ × 1000h kalafo ea botsofali. Ebe u seha likarolo tse etselitsoeng boemo ba batho ba tsofetseng le ba se nang botsofali ho lokisetsa liteko bakeng sa tlhahlobo ea tšusumetso, tlhahlobo ea metallographic, ho sekaseka tlhahlobo ea microscopy ea elektroniki le tlhahlobo ea EBSD.

Austenite e bolokiloeng ka har'a tšepe ea tšepe ea NiCrMoV e sa tšoaneng e feta ho chesa ha mocheso nakong ea botsofali, 'me li-carbides li phahama lipakeng tsa mekoallo ea martensite haufi le lath. Ho shebisisa le ho sekaseka microstructure ka "metallography" le "scanning" microscope ea "elektroniki" ho bonts'a hore manonyeletso a fapaneng a tšepe ea NiCrMoV a phekoloa ka botsofe, 'me carbides e thellisoa moeling oa lijo-thollo le moeling oa lijo-thollo tse fokolisang moeli oa lijo-thollo.

Kamora hore tšepe ea NiCrMoV ea tšepe e se e tsofetse, ho senyeha ha li-austenite tse bolokiloeng, karohano ea meeli ea lijo-thollo tsa N le pula ea carbides hammoho le meeli ea lijo-thollo hammoho e kenya letsoho ho fokotseheng ha thatafalo ea eona.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape: Phuputso e mabapi le Welds e Kopaneng ea NiCrMoV Dissimilar Steel Properties Le Microstructure

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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By Moetsi oa Minghe Die Casting | Categories: Lingoloa tse thusang |lintho tse bonahalang Tags: Aluminium lahla, Ho lahla zinki, Ho lahla Magnesium, Lahleloa thaethaniamo, Ho lahla tšepe, Brass lahla,Ho lahleloa ka Bronze,Ho lahla Video,Histori ea Khamphani,Aluminium Die Casting | Litlhaloso Off