Ho bokelloa ha liphoso tse tloaelehileng le mehato ea tšireletso ho carburizing le ho tima

    Carburizing le quenching ehlile ke ts'ebetso e kopaneng, e leng carburizing + tima. Re tloaetse ho bua ka tsena tse peli hammoho, hobane lits'ebetso tse peli tse phethetsoeng mochini o le mong ke tsona tse atisang ho kopana le tsona tlhahisong (empa ho boetse ho na le ho futhumatsa moea o matlafatsang, ho futhumatsa butle butle ebe ho futhumatsa le ho tima mekhoa, 'me ea bobeli quenching. Process) Joale tse ling tsa lintho tse sa rateheng tse etsahetseng ha ho hlahisoa ke mathata a boima, a mang ke a ho tima mathata, 'me a mang ke litlamorao tsa litlamorao tse kopaneng tsa ho chesa le ho tima.

Rea tseba hore lits'ebetso tsohle tsa kalafo ea mocheso li ke ke tsa aroloa ho tsoa litabeng tse tharo tsa mantlha: ho futhumatsa, ho boloka mocheso le ho futhumatsa. Ka botlalo, ho kenyelletsa mocheso o futhumatsang, sekhahla sa ho futhumatsa, nako ea ho ts'oara, sekhahla sa ho futhumatsa, mme ehlile maemo a sepakapaka Joale hang ha ho na le ho sa tsamaeeng hantle, re tla tloaela ho sekaseka sesosa sa likarolo tsena.

       Bakeng sa ho chesa le ho tima, re atisa ho leka lits'oants'o tsena: ponahalo ea sehlahisoa, ho thatafala ha sefahleho, thatafalo ea mantlha, botebo ba lera la carburized, (botebo bo thata ba lera, bo tiileng ka botlalo) sebopeho sa metallographic, le deformation. Ha re arolelane maikutlo a ka ka lits'oants'o tsena ka tatellano.

1. Bothata ba chebahalo
      1. Tekanyo ea oxide: Sena se bakoa haholo ke lisebelisoa tsa ho dutla, khase e tsamaisang litšila kapa metsi. U hloka ho fumana lebaka ho tsoa lisebelisoa le lisebelisoa tse tala.

       2. Bothata bo bong bo likhathatso ke bothata ba matheba, e leng tlhoko e ncha hape e phephetsang ea kalafo ea mocheso mehleng ea kajeno. Mabaka a rarahane ebile a tebile haholo.

tse peli. Thatafala sa tšoaneleheng
1.Ho thata (ha ho buuoe)

       2. Low thatafala: Ho na le maemo a mabeli, e 'ngoe ke sa tšoanelehe carburizing. Lebaka e kanna ea ba hore lera la carburized ha le na botebo haholo ho fihlela litlhoko tsa lits'oants'o, (lera le nang le carburized ha le kenelle), kapa sekala se khethiloeng sa ho tseba se feta sebaka se teng se mamellehang sa carburized, se tla senya lera la carburized.

Tharollo: Tlatsa seepage mme u latele 'musi oa tlhahlobo. JBT 6050-2006 "Melao-motheo e akaretsang ea ho hlahloba kalafo ea mocheso oa mocheso oa likarolo tsa tšepe" Botebo ba lera la carburized ehlile ke ts'ebetso ea mocheso, nako le kh'abone. Ho tsoa lintlheng tse kaholimo, re ka nahana ka mekhoa ea ho eketsa mocheso oa ho futhumatsa, ho lelefatsa nako ea ho ts'oara, le ho eketsa bokhoni ba carburizing. (Ehlile, phetoho ea parameter e ngoe le e ngoe e lokela ho kopanngoa ka botlalo le litlhoko tsa lisebelisoa le lihlahisoa tsa hau) E kanna ea ba ka lebaka la boteng ba mekhatlo e seng pere kaholimo. Boemo bo bong bo etsahala ha thatafalo e le tlase, ke hore, ho chesa mmele ho tšoaneleha, empa ho tima ho sa tšoanelehe. Ka kakaretso, ha e time. Boemo bona bo rarahane ka ho fetesisa, joalo ka ha polelo e re: kalafo ea mocheso e itšetleha ka ho futhumatsa likarolo tse tharo, le ho pholisa likotara tse supileng. E bonts'a boemo boo ts'ebetso ea ho futhumatsa e nang le bona ts'ebetsong ea kalafo ea mocheso.

Se latelang ke teko ea papiso eo ke e qapileng. O ka buisana ka phello ea ho phomola ka thata.

Nka lihlopha tse 3 tsa mekoallo ea liteko tse nang le lisebelisoa tse fapaneng empa litlhaloso le litekanyo tse tšoanang, boholo ba tsona ke Φ20mmX100mm. (Re letsetsa No. 20 tšepe test bar No. 1, 20Cr test bar No. 2 le 20CrMnTi test bar No. 3) Mekoallo ea liteko e chesoa mochesong o le mong o sebelisa ts'ebetso e ts'oanang. Ho nka hore botebo ba lera la carburized ea mekoallo e meraro ea liteko ke 0.6-0.7mm (ps: mohopolo o thehiloe feela maemong a matle).

Ka kopo nahana ka maemo a latelang:

a. Qetella ho tima tlasa maemo a tšoanang

b. Ho tima seoli ke oli e liehang, oli e potlakileng, metsi a hlakileng, metsi a letsoai

 c. Ka mokhoa o ts'oanang ntle le ho susumetsa le ho tima ka matla, mekoallo e meraro ea liteko e nkuoa ka lihlopha tse peli bakeng sa tlhahlobo.

Kamora hore carburizing e phethoe, sehlopha sa A se tima ka likhato tse 800, 'me sehlopha sa B se tima ka likhato tse 860. Taelo ea thatafala ha bona ho tloha phahameng ho ea tlaase? U ka odara joang bo thatafalitsoeng (bo nang le 550HV1.0 e le moeli) ho tloha botebong ho isa botebong? Nka mekoallo e 'meli ea liteko tse tšoanang ebe u e bapisa le ho e leka, ke sehlopha sefe se ka fumanang thatafalo e phahameng ea ho tima le botebo bo sebetsang ba lera le tiileng?

 Na ho ka phetheloa ka liphetho tsa liteko tse kaholimo hore botebo ba lera le nang le carburized ha bo lekane le botebo ba lera le tiileng le thata, 'me botebo ba lera le thatafalitsoeng bo angoa ke ho thatafala ha thepa, mocheso o tima le ho pholisa sekhahla. Litšobotsi tsa ho futhumatsa le ho tima matla a maqhubu a pholileng le tsona li ama phello e tima. Tse kaholimo ke maikutlo a batho, haeba ho na le bofokoli bofe kapa bofe, o ka eketsa. Ho joalo, boholo ba likarolo tsa likarolo le bona bo ama phello e thatafatsang.

Ke nahana hore mohlahlobi ea nang le boiphihlelo a ka tseba sesosa sa 'nete sa thatafalo e tlase ka ho hlophisa le ho kopanya mekhoa e meng ea liteko, ebe o fumana sesosa sa' nete sa ho e rarolla; joalo ka setsebi sa mesebetsi ea matsoho, haeba u tloaelane le litšobotsi tsa lisebelisoa tse tloaelehileng tsa tšepe, Ts'ebetso ea ho futhumatsa ea lisebelisoa tsa eona le seaplane li fihletse boemo bo itseng ba kananelo, bo thusang haholo ho thehoeng ha lits'ebetso tsa carburizing le ho tima.

        3.Bothata bo sa lekanang: mocheso oa sebopi sa junifomo (se amang ho ts'oana ha carburizing), sebopeho sa lisebelisoa, ho potoloha ha sepakapaka, ho chesoa ha sebōpi, (ho ama ho tšoana ha lera la carburizing, 'me ka nako e ts'oanang ho ama ho tšoana ho tima)

        4. Thata ea mantlha ha e tšoanelehe. E phahame haholo: mocheso o tima o phahame haholo, ho thatafala ha thepa ho ntle haholo, moeli o kaholimo oa khabone le motsoako oa alloy, mme sekhahla se pholileng se mahareng se potlakile haholo. Boima ba mantlha bo tlase: feela ho fapana.

Mohlala oa ho arolelana: 20 # tšepe 1.5mm sehlahisoa, litlhoko: ho kenella kahare 0.2-0.4mm konokono HV250, metsoalle e meng indastering e le 'ngoe e nahana hore litlhokahalo ha li utloahale, (motho e mong le e mong o lokela ho tseba hore thatafalo e phahameng ka ho fetesisa ea 20 # steel slab martensite e tla ba HV450- 470) Ho rarolla bothata bona, re tlameha ho utloisisa pele litšobotsi tsa sesebelisoa sena: ho kenyelletsa ho thatafala le ho thatafala.

Ebe u kopanya lintlha tse boletsoeng kaholimo tse amang matla a ho tima, 'me u fumane mekhoa ea ho futhumatsa le ho phola. Tabeng ena, thepa e tsitsitsoe. Re ka fumana tsela ho tloha mochesong o tima le sekhahla sa ho pholisa. Moetsi enoa o sebelisa oli e lebelo haholo. Haeba ho fokotsa matla a ho tima ho sa fihlelle litlhokahalo, re ka fokotsa mocheso o tima. Mokhoa.

Le ha ho le joalo polelo e ts'oanang, ho tloha ho li-degree tsa 860-760, (ha mocheso o theoleloa boemong bo itseng, ferrite e itseng e tla fokotsoa ho tsoa ho austenite e bohareng, mme thatafalo e tla fokotseha ka nako ena. mocheso o fokotseha, ha palo ea ferrite e fokotseha haholoanyane, thatafalo e fokotseha le ho feta.

Khopotso ke ena: Ho hlokahala ho kopanya ka botlalo maemo a teng a lisebelisoa le ho etsa moferefere mabapi le index e khethehileng e ntle ea ho kenella ho sa tebang.

3. Lera la carburized kapa lera le sebetsang la carburized le tebile ebile ha le na botebo

Joalokaha ho boletsoe pejana, botebo ba lera la ho kenella ke ts'ebetso e felletseng ea mocheso, nako le mohopolo oa khabone. Ho rarolla bothata bona, re tlameha ho qala ka mocheso oa ho futhumatsa, lebelo la ho futhumatsa, nako ea ho ts'oara, lebelo la ho futhumatsa, le ho laola gradient ea khase ea khabone ka lera la khabone. Ha thempereichara e le hodimo, nako e teletsana, mme matla a khabone a phahama, ho teba lera la ho kenella, mme ka ho le leng.

Empa ha e le hantle, ho feta hoo ho bonolo feela. Ho rala ts'ebetso ea ho chesa, o tlameha hape ho nahana ka lisebelisoa, matla a sebopi, litšobotsi tsa oli, sebopeho sa metallographic, ho thatafala ha lintho tse bonahalang, mokokotlo oa khase ea khabone ka lera la carburized le sekhahla se pholileng. Le lintlha tse ling tse ngata. Sena se ka hlahlojoa ho buuoa ka boemo bo fetileng bo thata, mme bo ke ke ba hlalosoa ka botebo.

Ea bone, mokhatlo o hlophisitsoeng ka litšepe

Ka tsela e feteletseng martensite: lintho tse bonahalang e tala e na le lithollo mahoashe, kapa e sa normalized, 'me mocheso carburizing ke phahameng haholo. Tharollo: ho tloaela kapa ho tloaela maemo a mangata, (ho kgothaletswa hore mocheso o tloahelehileng o phahame ka likhato tse 20-30 ho feta mocheso oa carburizing) Haeba ho khonahala, nahana ka ho chesa le ho phomola butle ebe o futhumatsa le ho tima

      Paralympic e feteletseng: mocheso o tima o phahame haholo, likarolo tsa khabone ka austenite li holimo haholo (bokhoni ba khabone bo holimo haholo). Tharollo: Phallo e felletseng le tumello ea maemo li ka fokotsa mocheso o tima, mocheso o phahameng le ho futhumatsa le ho tima, kapa kalafo ea cryogenic.

      Carbide e feteletseng: e na le khabone e ngata haholo ka austenite (e nang le bokhoni bo phahameng haholo ba khabone), ts'ebetso e liehang haholo ea ho pholisa, pula ea carbide

      Tharollo: hasana ka botlalo, laola sekhahla se pholileng, fokotsa phapang ea mocheso lipakeng tsa ho chesa le ho tima ka hohle kamoo ho ka khonehang, le ho sebelisa mocheso o tlase kapa ho tima mocheso o tlase kamoo ho ka khonehang. Haeba ts'ebetso ena e tlameha ho sebelisoa, mojaro oa sebopi o tlameha ho laoloa. Ha re nahaneng: thepa e ts'oanang e chesoa ka 920 ° C ebe e tima ka 820 ° C. Matla a sebopi ke 1000kg le 600kg, 'me sekhahla sa ho futhumatsa sea tšoana? Ke efe e tla nka nako e teletsana? Ke sehlopha sefe sa carbide se phahameng?

Hlano. E seng pere le ho kenella ka hare

 Khokahano ea ka hare: Ke karabelo lipakeng tsa likarolo tse kopanyang tse kang chromium, manganese le molybdenum ka hara tšepe le sepakapaka sa oxidizing sepakapakeng (haholo-holo oksijene, metsi, carbon dioxide), e felisang likarolo tse kopantseng matrix, e leng ho fellang ka ho fokotseha ka ho thatafala ha thepa. Sebopeho sa marang-rang se setšo se ka bonoa tlasa microscope, moelelo oa eona ke sebopeho sa troostite se fumanoeng ka ho putlama ha likarolo tse kopantseng matrix le phokotso ea ho thatafala.

         Tharollo ke ho fumana mekhoa ea ho eketsa sekhahla se pholileng sa seaplane, ho matlafatsa matla a ho tima, le ho fokotsa moea o nang le oksijene seboping (netefatsa ho hloeka ha thepa e tala le e thusang ea carburizing, ho fokotsa moea o leka-lekaneng, ho laola boemo bo leka-lekaneng. mongobo oa moea, 'me u netefatse hore lisebelisoa ha li lutle. Ho qeta ho lekaneng) Lisebelisoa tse tloaelehileng ho thata ho li felisa. Ho boleloa hore thepa e nang le khatello e tlase ea carburizing e ka felisoa ka botlalo. Ntle le moo, ho thunya ho matla ho ka fokotsa le boemo ba kahare ba kh'utidwe.

Ke balile maikutlo a litsebi tse ling, 'me ba bang ba lumela hore ammonia e fetelletseng ts'ebetsong ea carbonitriding le eona e ka baka ho se hloke letho. Ke na le maikutlo a fapaneng ka sena: mohlomong e bakoa ke metsi a mangata ka ammonia? Hobane ke pepeselitsoe lits'ebetsong tse ngata tsa carbonitriding, ha ho na lisele tse totobetseng tseo e seng tsa pere tse fumanoeng ha ho hlahlojoa sehlahisoa seo. (Empa ha ke nahane hore pono ena e fosahetse) Liindasteri tse ling tsa mechini e kantle li nka bohlokoa ba ho kenella kahare, haholo indastering ea likere. Ka lapeng, botebo ka kakaretso ho hlokahala hore bo se fete 0.02mm joalo ka ba tšoanelehang.

        Non-martensitic: sebopeho se seng sa martensitic se hlaha ka holim'a lera la carburized ka lebaka la ho chesa kapa ho tima mathata kamora ho tima, joalo ka ferrite, bainite, 'me ho joalo, mofuta oa ka hare oa mofuta oa troostite. Mechini ea moloko e ts'oana le ho kenella ka hare, 'me tharollo e ts'oana.

Tshelela. Bothata ba ho fetoha

        Ena ke bothata ba sistimi, hape ke bothata bo thata ho fetisisa ho basebetsi ba rona ba kenang kalafo ea mocheso. E netefalitsoe ho tsoa likarolong tse 'maloa tsa lisebelisoa tse tala tsa ho futhumatsa. Litaba tse kaholimo ke boiphihlelo ba hau feela. Haeba ho na le ho se lumellane, o amohelehile ho ntokisa, kea leboha.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Ho bokelloa ha liphoso tse tloaelehileng le mehato ea tšireletso ho carburizing le ho tima

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. 

Re ka u thusa ho etsa eng ka mor'a moo?

∇ Eya ho Homepage Bakeng sa Shoa lahla China

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