New Technology Of shoa-lahla hlobo Bokaholimo Phekolo

Mefuta e fapaneng ea mahlale a kalafo ea hlobo ea sefahleho e ntse e tsoela pele ho hlaha, empa ka kakaretso e ka aroloa ka mekhahlelo e meraro e latelang:

• 1.Theknoloji e ntlafalitsoeng ea moetlo oa kalafo ea mocheso;
• 2.Surface theknoloji e fetotsoeng, ho kenyeletsoa kalafo e holang ea mocheso, ho matlafatsa phetoho ea karolo ea bokaholimo, theknoloji e matlafatsang ea tlhase ea motlakase, jj .;
• 3. Coating thekenoloji, ho akarelletsa le plating electroless, joalo-joalo

Mefuta ea ho lahla mofuta ke karolo e kholo ea hlobo. Ka nts'etsopele e potlakileng ea indasteri ea likoloi le lithuthuthu, indasteri ea batho ba shoang e hlahisitse nako e ncha ea nts'etsopele. Ka nako e ts'oanang, litlhoko tse phahameng li behiloe pele bakeng sa thepa e phethahetseng ea mochini le bophelo ba hlobo e lahlang. Luo Baihui, Mongoli-Kakaretso oa Mokhatlo oa Machabeng oa hlobo, o lumela hore ho ntse ho le thata ho fihlela litlhoko tse ntseng li eketseha tsa ts'ebetso tse itšetlehileng feela ka ts'ebeliso ea lisebelisoa tse ncha tsa hlobo. Lisebelisoa tse fapaneng tsa kalafo ea holim'a metsi li tlameha ho sebelisoa kalafo ea bokaholimo ba hlobo e lahlang ho fihlela katleho e phahameng bakeng sa hlobo e lahlang. , Ho nepahala ho phahameng le litlhoko tsa bophelo bo bolelele. Har'a mefuta e fapaneng ea hlobo, maemo a sebetsang a hlobo e lahlehang a batla a le thata. Shoa lahla ke ho tlatsa hlobo cavity ka tšepe e qhibilihisitsoeng tlas'a khatello e phahameng le lebelo le phahameng le shoa-lahla. E ikopanya khafetsa le tšepe e chesang nakong ea ts'ebetso. Ka hona, hlobo e lahlang e hlokahala hore e be le mokhathala o phahameng oa mocheso, ho khanna ho futhumatsang, ho hanela ho roala le ho hanyetsa kutu. , Impact toughness, khubelu thatafala, e ntle hlobo lokolloa, joalo-joalo Ka lebaka leo, litlhokahalo holim kalafo ditlhoko tsa hlobo shoa-lahla ke batlang phahameng.

Ntlafatso ea mahlale a morao-rao a kalafo ea mocheso

Mokhoa oa setso oa ho phekola mocheso oa hlobo o tima, 'me hamorao theknoloji ea kalafo ea holim'a metsi e ntlafalitsoe. Ka lebaka la mefuta e fapaneng ea lisebelisoa tse ka sebelisoang e le hlobo e bolaeang, theknoloji e ts'oanang ea kalafo ea holim'a metsi le ts'ebetso e sebelisoang lisebelisoa tse fapaneng e tla hlahisa litlamorao tse fapaneng. Schoff e fana ka tlhahiso ea theknoloji ea substrate pretreatment bakeng sa substrate ea hlobo le theknoloji ea kalafo ea holim'a metsi. 

Motheong oa thekenoloji ea setso, theknoloji e loketseng ea ho sebetsa bakeng sa lisebelisoa tse fapaneng tsa hlobo e hlahisoa ho ntlafatsa ts'ebetso ea hlobo le ho eketsa bophelo ba hlobo. Tataiso e 'ngoe ea nts'etsopele ea ntlafatso ea theknoloji ea kalafo ea mocheso ke ho kopanya theknoloji ea setso ea kalafo ea mocheso le theknoloji e tsoetseng pele ea kalafo ea holim'a metsi ho eketsa bophelo ba ts'ebeletso ea hlobo e bolaeang. 

Ka mohlala, mokhoa oa phekolo ea mocheso oa lik'hemik'hale oa carbonitriding, NQN o kopantsoe le mokhoa o tloaelehileng oa ho tima le ho futhumatsa (e leng carbonitriding-quenching-carbonitriding composite composite ho matlafatsa, eseng feela ho fumana boima bo phahameng ba holim'a metsi, empa hape le ho thatafatsa lera le sebetsang hantle. 

Botebo bo ntse bo eketseha, kabo ea boima bo thata ba sekhahla se kentsoeng sea utloahala, botsitso bo tsitsitseng le ho hanyetsa kutu hoa ntlafatsoa, ​​e le hore le hoja hlobo e bolaeang e fumana ts'ebetso e ntle ea mantlha, boleng ba holim'a metsi le ts'ebetso li ntlafatsoa haholo.

Theknoloji ea phetoho ea bokaholimo

Theknoloji e akaretsang ea mocheso

Mofuta ona o kenyelletsa carburizing, nitriding, boronizing, carbonitriding, sebabole carbonitriding joalo-joalo.

Carburizing le carbonitriding

Mokhoa oa carburizing o sebelisoa mosebetsing o batang, o chesang le ho matlafatsa holim'a liforomo tsa polasetiki, tse ka ntlafatsang bophelo ba hlobo. Mohlala, hlobo ea die-casting e entsoeng ka tšepe ea 3Cr2W8V e qala ka carburized, ebe e tima ka 1140 ~ 1150 ℃, mme e belisoa habeli ho 550 ℃. Ho thatafala ha bokaholimo ho ka fihla ho HRC56～61, e leng ho eketsang bophelo ba litšepe tse se nang ferrous le li-alloys tsa tsona ka makhetlo a 1.8 ~ 3.0. . 

Ha ho etsoa carburizing, mekhoa ea mantlha ea ts'ebetso e kenyelletsa phofo e tiileng ea phofo, carburizing ea khase, vacuum carburizing, ion carburizing, le carbonitriding e thehiloeng ka ho eketsa naetrojene sepakapakeng sa carburizing. Har'a tsona, vacuum carburizing le ion carburizing ke mahlale a ntlafalitsoeng lilemong tse 20 tse fetileng. Theknoloji ena e na le litšobotsi tsa carburizing e potlakileng, carburizing e tšoanang, carbon concentration gradient, le deformation e nyane ea workpiece. E tla sebelisoa holim'a hlobo, haholo-holo hlobo e nepahetseng. Phetha karolo e ntseng e eketseha ea bohlokoa kalafong e holimo.

Nitriding le theknoloji e amanang le mocheso o tlase oa mocheso o amanang

Mofuta ona o kenyelletsa nitriding, ion nitriding, carbonitriding, oksijene nitriding, nitriding ea sebabole le ternary sulfur carbon nitriding, oksijene, naetrojene le sebabole. Mekhoa ena e na le theknoloji e bonolo ea ho e lokisa, ho ikamahanya le maemo ho le matla, mocheso o fokolang o fokolang, ka kakaretso 480 ~ 600 ℃, phetoho e nyane ea sehlahisoa, haholo-holo se loketseng ho matlafatsa bokaholimo ba hlobo e nepahetseng, le thatafalo e phahameng ea lera la nitride, khanyetso e ntle ea ho roala, le anti e ntle tshebetso -sticking.

3Cr2W8V steel die-casting hlobo, ka mor'a ho tima le ho futhumatsa le ho kenya nitriding ho 520～540 ℃, bophelo ba ts'ebeletso bo bolelele ba makhetlo a 2 ho isa ho a 3 ho feta ba hlobo e seng ea nitriding. Mefuta e mengata ea li-die-casting e entsoeng ka tšepe ea H13 United States e hloka ho hloekisoa, 'me ho sebelisoa nitriding ho e-na le ho futhumatsa nako e le' ngoe. Botenya ba bokaholimo bo phahame joalo ka HRC65～70, athe bokahare ba hlobo bo na le boima bo tlase le ho tiea ho hotle, e le ho fumana kopanyo e ntle.

Thepa ea mechine. Nitriding process ke mokhoa o sebelisoang hangata bakeng sa kalafo ea bokaholimo ba hlobo e bolaeang. Leha ho le joalo, ha lesela le tšesaane le le brittle le lesoeu le hlaha lera le nang le nitrided, le ke ke la hanela phello ea khatello ea mocheso e fapa-fapaneng, 'me ho bonolo ho hlahisa li-micro-cracks le ho fokotsa ho hanyetsa mokhathala oa mocheso. Ka hona, nakong ea ts'ebetso ea nitriding, ts'ebetso e tlameha ho laoloa ka thata ho qoba ho hlaha ha brittle layers. Linaha tsa kantle ho naha li sisinya ho sebelisa lits'ebetso tsa bobeli le tse ngata tsa nitriding. Mokhoa oa ho pheta-pheta nitriding o ka senya lera le lesoeu le khanyang la nitride le tloaetseng ho ba le li-microcracks nakong ea ts'ebeletso, la eketsa botenya ba lera la nitriding, 'me ka nako e ts'oanang le etsa hore bokaholimo ba hlobo bo be le lera le lengata la masala a khatello ea maikutlo, e le hore bophelo ba boits'oaro bo be teng. hlobo e ka ntlafatsoa haholo. Ho phaella moo, ho na le mekhoa e kang bath bath carbonitriding le salt bath sulfur nitrocarburizing. 

Ts'ebetso tsena li sebelisoa haholo linaheng tse ling ebile ha li bonoe hangata ho China. Mohlala, ts'ebetso ea TFI + ABI e ineloa ka bateng ea letsoai ea alkaline oxidizing kamora nitrocarburizing ka bate ea letsoai. Bokaholimo ba sethala sa mosebetsi bo na le oxidized mme bo bonahala bo le bosootho, 'me ho itoanela ha eona ho se sebetse, ho hanyetsa ts'enyeho le ho hanyetsa mocheso ho ntlafalitsoe. Bophelo ba aluminium alloy die-casting die bo tšoaroang ka mokhoa ona bo eketsoa ka makholo a lihora. Mohlala o mong ke ts'ebetso ea oxynit e ntlafalitsoeng Fora, moo nitrocarburizing e lateloang ke nitriding e sebelisoa ho hlobo e sa sebetseng ea tšepe e nang le litšobotsi tse ling.

Kopanya le sengoloa sena: New Technology Of shoa-lahla hlobo Bokaholimo Phekolo

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