Tšusumetso ea Overheating Tikoloho Ka Austenitic Stainless Steel Pipe

Tlhahisong ea kalafo ea mocheso, e le ho tima tube ea tšepe e sa hloekeng ho fumana li-martensite tsohle, tube ea tšepe ea austenitic e tlameha ho qhibilihisoa ka sekhahla se phodileng se lekanang kapa se phahameng ho feta V, e le hore phaephe ea austenitic celik e boetse e le mocheso oa nko . Pele e ka bola, austenite e fetoloa martensite ho fihlela e pholile ka tlase ho Ms point. Hangata sekhahla se tlase sa ho futhumatsa Vk sa phala ea tšepe e sa hloekang e entsoeng ka tšepe e phahameng se bitsoa sekhahla se matla sa ho pholisa.

Ka tsela ena, Vk e fanoeng ke C curve ea limaraka tse fapaneng tsa tšepe ke motheo oa mantlha oa hore re tsebe mokhoa oa ho tima le ho khetha mokhoa oa ho tima, empa o ka fumana Vk joang mokhoeng oa C? Haeba sekhahla sa ho futhumatsa nakong ea pholiso e sa khaotseng se phahamisitsoe holima leqhubu la C la ho futhumala ha isothermal, ke khakanyo feela ea ho tseba Vk, hobane mothinya oa C oa phokotso ea motlakase o fapane le phetoho ea phala ea tšepe ea austenitic e sa hloekang nakong ea pholile e tsoelang pele. E fapaneng (mothinya oa c o lokela ho sutumelloa ka ho le letona nakong ea pholileng e tsoelang pele). Ntle le moo, ho hlokahala hore ho nahanoe mona hore nakong ea ho tima le ho pholisa, mocheso o theoha o lekana le nako, joale ho na le kamano e latelang: empa V e baliloeng e lula e le kholo ka makhetlo a 1.5 ho feta Vk ea nnete e lekantsoeng. Ho kenyelletsoa foromong ka coefficient ea 1.5, sekhahla se pholileng sa pholileng se fumanoa.

Hangata ho ba thata ho feta tekheniki ho tseba setšoantšo se feto-fetohang sa phetoho e pholileng ho feta mothinya oa C o isothermal. Ka hona, mothinya oa C o isothermal o ka sebelisoa ho hakanya ts'ebetso ea phetoho le lihlahisoa tsa lipeipi tse sa hloekang tsa austenitic tlasa maemo a pholileng a sa khaotseng.

Mokhoa ona ke ho pholisa tube ea tšepe e sa hloekang e nang le bophara bo itseng bo sebetsang (kapa botenya) ka mahlahana a fapaneng a tima, ho koahela sekhahla se pholileng se lekanyelitsoeng ho mothinya oa C, 'me u shebe ntlha ea mateano a litsela le mothinya oa C oa isothermal ho bona boleng. mocheso le lihlahisoa tsa tšepe ena e nang le bophara bo fapaneng ba lisebelisoa tse fapaneng tsa ho tima e re tataisa ho etsa ts'ebetso ea ho futhumatsa ea kalafo ea mocheso, e leng mothinya oa C oa tšepe e sa hloekang le 75CrNiMoV e holofetseng tšepe e shoeleng, 'me e phahamisa bophirima ho eona. Mothinya o pholileng oa bokaholimo le bokahare ba karolo ha sampole ea 20mm e pholile ka har'a oli le moea. Joalokaha ho bonts'itsoe ho Setšoantšo sa 10-18, phala ea tšepe e se nang tšepe e nang le botenya ba 20mm e tla ba maemong a 650-600 ℃ haeba e pholile moeeng. Likarolo tsohle tsa ka hare li fetotsoe lisele tsa perela, 'me thatafalo e ka ba HRc26 feela.

Haeba e tima ka oli, bokaholimo ba karolo eo bo tla fetoha sebopeho sa liperela ka 590 ℃, 'me palo ea eona e tla ikarabella ho 15% ka tlhahlobo ea tšepe, ha karolo e' ngoe ea tšepe e sa hloekang e sa fetoloang e tla fetoloa. mohahong oa liperela o ka tlase ho 240 ℃. Martensite, molemong oa ho fumana sebopeho se kopaneng sa martensite (85%) le pearlite (15%) holimo, ka thata ea HRc59. Pelo e fetotsoe ka botlalo hore e be lisele tsa mofuta oa perela tse ka bang 660-530 ℃, ka thata ea HRc37 feela. Sena se bontša hore sekhahla se pholileng sa moea le oli ha sea ka sa etsa phala ea 420 mm e kantle ea tšepe e sa hloekeng ho fihlela sekhahla se matla sa ho pholisa. Kaha carbon steel ke tšepe e tiileng ka metsi, sehlahisoa sefe kapa sefe se nang le sekhahla se pholileng se ka tlase ho metsi se tla fumana liperesente tse itseng tsa sebopeho sa perela mohahong oa sona, ka hona se ke ke sa tima ka botlalo.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape: Tšusumetso ea Overheating Tikoloho Ka Austenitic Stainless Steel Pipe

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