[Kakaretso] Kalafo ea mocheso 30 lipotso le likarabo

E ile ea botsa li-directory tse 30

ke mekhoa efe ea cormmonly e sebelisoang ho tima le ho hlalosa molao-motheo oa ho khetha mekhoa e fapaneng ea ho tima?

Mokhoa oa ho tlosa:

1. Mokelikeli o le mong quenching -- mokhoa oa ho pholisa ka mokhoa oa ho tima, mokelikeli o le mong o timang khatello ea kelello ea microstructure le khatello ea mocheso e batlang e le khōlō, quenching deformation e kholo.

2. Double liquid quenching - morero: fast cooling between 650℃~Ms, e le hore V>Vc, cooled butle ka tlase ho Mme ho fokotsa kgatello ya dithishu.Carbon steel: water before oil.Alloy steel: oli pele ho moea.

3. Fractional quenching -- workpiece e ntšoa 'me e lula mocheso o itseng e le hore mocheso oa ka hare le o ka ntle oa workpiece o lumellane, ebe joale mokhoa oa ho pholile ha moea.Ho tima fractional ke phetoho ea M phase moeeng o pholileng, 'me khatello ea ka hare e nyenyane.

4. Isothermal quenching - e bolela phetoho ea bainite e etsahala sebakeng sa mocheso oa bainite isothermal, e nang le khatello e fokolang ea ka hare le ho senyeha ho honyenyane. khoneha ho qoba quenching deformation le cracking.

 

Phapano ke efe lipakeng tsa ho beha mouoane oa lik'hemik'hale le boemo ba leholimo ba leholimo lits'ebetso tsa tsona tsa mantlha?

Kemiso ea boemo ba leholimo ea lik'hemik'hale haholo-holo ke mokhoa oa CVD.The itsoara joang ka seaplane e nang le lirafshoa lintho tse bonahalang vaporized ka mocheso tlaase, 'me joale romeloa ka phahameng-thempereichara karabelo kamoreng ho ikopanya workpiece holim'a ho hlahisa phahameng-mocheso lik'hemik'hale itšoara joang.Alloy kapa tšepe le lik'hemik'hale tsa eona li kenngoa fatše 'me li behoa holim'a sebaka sa mosebetsi ho etsa seaparo.

Litšobotsi tse ka sehloohong tsa mokhoa oa CVD:

1. E ka kenya lisebelisoa tse fapaneng tsa filimi ea crystalline kapa amorphous inorganic.

2. Bohloeki bo phahameng le matla a matla a kopanetsoeng a tlamang.

3. Lera le teteaneng la sedimentary le nang le masoba a seng makae.

4. Ho tšoana hantle, lisebelisoa tse bonolo le ts'ebetso.

5. Mocheso o phahameng oa karabelo.

Kopo: ho lokisetsa mefuta e sa tšoaneng ea lifilimi holim'a thepa e kang tšepe le tšepe, motsoako o thata, tšepe e se nang ferrous le inorganic non-metal, haholo-holo filimi ea insulator, filimi ea semiconductor, filimi ea conductor le superconductor le filimi ea ho hanyetsa kutu.

Physical and meteorological deposition: mokhoa oo lintho tsa gaseous li kenngoa ka ho toba holim'a workpiece ho lifilimi tse tiileng, tse tsejoang e le PVD method.Ho na le mekhoa e meraro ea motheo, e leng, vacuum evaporation, sputtering le ion plating.Kopo: roala litlolo tse hanyetsanang, mocheso. ho roala ho sa tsitsang, ho thibela ho bola, ho roala ho tlotsa, ho roala ka mokhoa o sebetsang oa ho khabisa.


The microstructure le macroscopic morphoiogy ea mokhathala fracture a hlalosoa

Microscopic: hlobolisa dipaterone hlokomela tlas'a microscopic elektrone microscope, tse tsejoang e le lihlopha mokhathala kapa mokhathala striations.Mokhathala strip na ductile le brittle mefuta e 'meli, mokhathala hlobolisa na le sebaka se itseng, tlas'a maemo a itseng, mong le e mong mola o lumellana le potoloho ea khatello ea kelello.

Macroscopic: maemong a mangata, e na le litšobotsi tsa brittle fracture ntle le macroscopic deformation e bonahalang ka leihlo le hlobotseng.Mokhathala o tloaelehileng oa ho robeha o na le sebaka sa mohloli oa ho phatloha, sebaka sa ho ata ha crack, le sebaka sa ho qetela sa ho robeha ha mokhathala. arcs ea bohareng ba selikalikoe.The microscopic morphology ea nakoana fracture zone e khethoa ke tšobotsi mojaro mode le boholo ba lintho tse bonahalang, 'me e ka ba dimple kapa quasi-dissociation, dissociation intergranular fracture kapa sebopeho motsoako.

 

Hlalosa mefuta e meraro ea quaikty prodlems e atisang ho etsahala nakong ea ho tima mocheso o kenang 'me u leke ho hlahloba lisosa tsa bona.

1 .cracking: mocheso o futhumatsang o phahame haholo 'me mocheso ha o lekane;Khetho e fosahetseng ea ho tima seaplane le mocheso;Ho futhumatsa ha ho nakong ebile ha hoa lekana; Thepa e na le thata e phahameng, karohano ea likaroloana, likoli le kenyelletso e feteletseng;Likarolo ha lia nepahala. etselitsoe.

2. Ho thatafala ha holim'a metsi ho sa tšoaneng: sebopeho sa induction se sa utloahaleng; Ho futhumatsa ho sa leka-lekaneng; Pholiso e sa leka-lekaneng; Mokhatlo o fosahetseng oa thepa (sebopeho se nang le lihlopha, karolo ea decarbonization.

3. Ho qhibiliha ha sefahleho: sebopeho sa inductor ha se utloahale; Likarolo li teng likhutlong tse bohale, masoba, tse mpe, joalo-joalo; Nako ea ho futhumatsa e telele haholo, 'me sebaka sa mosebetsi se na le mapetsong.

 

ke litšobotsi life tse ncha tse phahameng tempering tshebetso bakeng sa HSS tlase?

Nka W18Cr4V ka mohlala, ke hobane'ng ha e le molemo ho feta thepa e tloaelehileng ea mochine o halefisang?

Ha ho bapisoa le tšepe e tloaelehileng ea lebelo le phahameng, li-carbide tsa M2C li na le pula ho feta, 'me li-carbides tsa M2C, V4C le Fe3C li na le phallo e kholoanyane le ho tšoana hantle,' me hoo e ka bang 5% ho isa ho 7% bainite e teng, e leng ntho ea bohlokoa ea microstructure bakeng sa mocheso o phahameng o nang le lebelo le phahameng. ts'ebetso ea tšepe e betere ho feta tšepe e tloaelehileng ea lebelo le phahameng.

Ke mefuta efe ea moea o laolehang e sebelisoang hangata?

Ho na le sepakapaka sa endothermic, sepakapaka sa marotholi, sepakapaka se otlolohileng sa 'mele, sepakapaka se seng se laolehang (sepakapaka sa mochini oa nitrogen, sepakapaka sa ho bola ha ammonia, sepakapaka se chesang).

1. Endothermic atmosphere ke khase e tala e kopantsoeng le moea ka tekanyo e itseng, ka ho kenya letsoho mocheso o phahameng, karabelo e hlahisoang haholo-holo e nang le CO, H2, N2 le trace CO2, O2 le H2O atmosfere, hobane karabelo ea ho monya mocheso, e bitsoang joalo. endothermic atmosphere kapa RX gas. E sebelisoa bakeng sa carburizing le carbonitriding.

2. Sebakeng sa marotholi, methanol e suptjoa ka ho toba seboping hore e phatlohe, 'me sejari se nang le CO le H2 se hlahisoa, ebe ho eketsoa moemeli ea ruileng bakeng sa carburizing;mocheso o tlase oa carbonitriding, tšireletso e futhumatsang e timang e khanyang, joalo-joalo.

3. Moemeli oa ho kenella joalo ka khase ea tlhaho le moea o tsoakiloeng ka karolo e itseng ka kotloloho seboping, ka mocheso o phahameng oa 900 ℃ karabelo e hlahisoang ka kotloloho ke carburizing. sepakapaka se sireletsang mocheso.Naetrojene - e thehiloeng moeeng bakeng sa tšepe e phahameng ea carbon kapa e nang le ts'ireletso ea tšepe e ntle.Exothermic atmosphere e sebelisoa bakeng sa phekolo ea mocheso o khanyang oa tšepe e tlaase ea carbon, koporo kapa decarburization annealing ea tšepe e qhibilihisitsoeng.

Sepheo sa ho tima tšepe ea nodular quenching ea isothermal ke eng?

Sepheo: Thepa e ntle ea mochini le ho sotha ho nyane ha tšepe ea ductile ho ka fumanoa ka ho tima isothermal sebakeng sa phetoho ea bainite ka mor'a hore austenitizing.Mocheso oa isothermal: 260 ~ 300 ℃ sebopeho sa bainite; Sebopeho sa bainite se ka holimo se fumanoa ho 350 ~ 400 ℃.

Hlalosa ka bokhutšoanyane litšobotsi tsa mantlha tsa kalafo ea mocheso oa lik'hemik'hale tse tloaelehileng (carburizing, nitriding, carburizing le nitrocarburizing), sebopeho le litšobotsi tsa ts'ebetso kamora kalafo ea mocheso, ke lisebelisoa life kapa likarolo tse sebelisoang haholo ho tsona?

Carburizing: haholo-holo ka holim'a mosebetsi oa ho sebetsa ha athomo ea carbon, holim'a metsi a martensite, masala a A le carbide, sepheo sa setsi ke ho ntlafatsa bokahare ba carbon, ka boima bo phahameng le ho hanyetsa ho apara haholo, setsi se na le A. matla a itseng le ho tiea ho hoholo, e le hore e be le tšusumetso e kholo le khohlano, tšepe e tlase ea khabone joalo ka 20CrMnTi, gear le piston ea piston e sebelisoang hangata.

Nitriding: ka holim'a ho kenella ha liathomo tsa naetrojene, ke boima ba holim'a metsi, matla a ho hanyetsa mokhathala le ho hanyetsa kutu le ntlafatso ea mocheso oa mocheso, bokaholimo ke nitride, pelo ea sorbsite e chesang, nitriding ea khase, nitriding ea metsi, e sebelisoang hangata 38CrMoAlA. , 18CrNiW.

Carbonitriding: carbonitriding ke mocheso o tlaase, lebelo le potlakileng, deformation e nyenyane ea likaroloana.The microstructure ea holim'a metsi e ntle ea nale e halefileng ea martensite + granular carbon le naetrojene motsoako Fe3 (C, N) + e nyenyane ea masala austenite.E na le khanyetso e phahameng ea ho apara, matla a mokhathala le matla a mokhathala. matla a hatellang, 'me e na le khanyetso e itseng ea kutu.Hangata e sebelisoa ka likere tse boima le tse mahareng tse entsoeng ka tšepe ea alloy ea khabone e tlase le e mahareng.

Nitrocarburizing: ts'ebetso ea nitrocarburizing e potlakile, boima ba holim'a metsi bo tlase hanyenyane ho feta nitriding, empa ho hanyetsa mokhathala ho molemo.E sebelisoa haholo-holo bakeng sa liforomo tsa machining tse nang le tšusumetso e nyenyane, khanyetso e phahameng ea ho apara, moeli oa mokhathala le deformation e nyenyane. joalo ka tšepe ea sebopeho sa khabone, tšepe ea sebopeho sa alloy, tšepe ea sesebelisoa sa alloy, tšepe e bohlooho, tšepe e entsoeng ka nodular le metallurgy ea phofo, e ka ba nitrocarburized.

 

Hlalosa ka bokhutšoanyane melao-motheo ea moralo oa mokhoa oa ho phekola mocheso

1. Theknoloji e tsoetseng pele.

2. Mokhoa ona oa tšepahala, oa utloahala ebile oa khoneha.

3. Moruo oa ts'ebetso.

4. Tšireletseho ea ts'ebetso.

5. Leka ho sebelisa lisebelisoa tsa ts'ebetso ka mekhoa e phahameng ea mechine le mekhoa ea boipheliso.

 

Ke mathata afe a lokelang ho nahanoa molemong oa ho ntlafatsa ts'ebetso ea kalafo ea mocheso?

1. Kamano pakeng tsa theknoloji e batang le e chesang ea ho sebetsa e lokela ho nkoa ka botlalo, 'me tokisetso ea mokhoa oa ho phekola mocheso e lokela ho ba o utloahalang.

2. Amohela thekenoloji e ncha ka hohle kamoo ho ka khonehang, hlalosa ka bokhutšoanyane mokhoa oa phekolo ea mocheso, khutsufatsa potoloho ea tlhahiso.Tlas'a boemo ba ho netefatsa sebopeho se hlokahalang le ts'ebetso ea likarolo, leka ho etsa mekhoa e fapaneng kapa mekhoa ea theknoloji e kopantsoeng.

3. Ka linako tse ling e le ho ntlafatsa boleng ba sehlahisoa le ho lelefatsa bophelo ba tšebeletso ea workpiece, ho hlokahala ho eketsa ts'ebetso ea phekolo ea mocheso.

 

Ka bokhutšoanyane hlalosa melao-motheo e lokelang ho lateloa moralong oa inductor

1. Sebaka sa ho kopanya pakeng tsa inductor le workpiece e lokela ho ba haufi ka hohle kamoo ho ka khonehang.

2. Sebaka sa mosebetsi se futhumetseng ka lerako le ka ntle la coil se tlameha ho khannoa ke makenete ea flux.

3. Moralo oa sensor ea workpiece e nang le likhutlo tse bohale ho qoba phello e bohale.

4. Ts'ebetso ea Offset ea melapo ea matla a khoheli e lokela ho qojoa.

5. Sensor moralo lokela ho leka ho kopana le workpiece ka retelehela ha halefile.

Ke melao-motheo efe ea motheo eo baqapi ba lokelang ho e ela hloko ha ba khetha thepa?

1. Khetha lisebelisoa ho latela maemo a ho sebetsa a likarolo, ho kenyelletsa mofuta oa mojaro le boholo, maemo a tikoloho le mekhoa e meholo ea ho hloleha;

2. Ha ho nahanoa ka sebopeho, sebopeho, boholo le lintlha tse ling tsa likarolo, thepa e nang le boima bo botle bo ka sebetsoa ka ho tima oli kapa mokhoa oa ho tima o qhibilihang ka metsi bakeng sa ho sotha habonolo le ho phunyeha ha metsi;

3. Utloisisa sebopeho le thepa ea thepa ka mor'a phekolo ea mocheso.Likarolo tse ling tsa tšepe tse ntlafalitsoeng bakeng sa mekhoa e fapaneng ea kalafo ea mocheso li tla ba le sebopeho se betere le thepa kamora kalafo;

4. Boemong ba ho netefatsa ts'ebetso ea ts'ebeletso le bophelo ba likarolo, mekhoa ea phekolo ea mocheso e lokela ho nolofatsoa ka hohle kamoo ho ka khonehang, haholo-holo lisebelisoa tse ka bolokehang.

Ke thepa efe ea ts'ebetso e lokelang ho nahanoa ha u khetha lisebelisoa tsa tšepe bakeng sa likarolo tsa tlhahiso?

1. Ts'ebetso ea ho lahla.

2. Ts'ebetso ea mochini oa khatello.

3. Ts'ebetso ea mochini.

4. Ts'ebetso ea welding.

5. Ts'ebetso ea ts'ebetso ea mocheso oa mocheso.

Mokhoa oa motheo oa phekolo ea mocheso oa lik'hemik'hale oa tšepe ke ofe?Litsela tse ka sehloohong tsa ho potlakisa phekolo ea lik'hemik'hale ke life ?Melemo ea ho laola carburizing subsection control technology

Tšebeliso ea mokhoa oa ho laola likarolo, phekolo ea ho kenella ka motsoako, mocheso o phahameng oa mocheso, tšebeliso ea lisebelisoa tse ncha ho potlakisa ts'ebetso ea ho hasana, ho kenella ka lik'hemik'hale, ho kenella ka 'mele; e le hore lits'ebetso tse tharo li hokahane ka botlalo, li fokotse sebaka sa mosebetsi ho theha ts'ebetso ea carbon black, ho potlakisa ts'ebetso ea carburizing, ho etsa bonnete ba hore lera la phetoho le pharaletse ebile le bonolo haholoanyane, ho tloha holimo ho ea bohareng, taelo ke hypereutectoid, eutectoid, hyperhypoeutectoid, primordial hypoeutectoid.

Ho na le mefuta e mekae ea ho hloleha ho apara? Joang ho thibela mefuta eohle ea ho apara le ho hlōleha ha likarolo?

Mofuta oa liaparo:

Ho roala ka ho khomarela, ho roala ha letlalo, ho roala, ho khathala ho kopana.

Mekhoa ea ho thibela:

Bakeng sa sekhomaretsi, khetho e nepahetseng ea thepa ea li-friction pair; Ho sebelisa kalafo ea holim'a metsi ho fokotsa khohlano kapa ho ntlafatsa ho thatafala ha holim'a metsi; Fokotsa khatello ea maikutlo; Fokotsa ho hlaka holim'a metsi. ea sesebelisoa sa ho tlhotla oli ho tlosa li-abrasive, empa hape le khetho e nepahetseng ea lisebelisoa tse thata tse phahameng; Ho thatafala ha bokaholimo ba lisebelisoa tse ferekaneng ho ile ha ntlafatsoa ke kalafo ea mocheso o holim'a metsi le ho thatafala ha mosebetsi oa holim'a metsi. Tšireletso ea electrochemical; khatello ea khatello ea maikutlo ea khatello ea maikutlo e ka fokotsoa ha corrosion inhibitor e eketsoa. ​​Ho fokotsa khatello ea maikutlo; Khetha lisebelisoa tse sa tsotelleng khatello ea maikutlo; Fetola boemo bo bohareng. ho hloeka ha lintho tse bonahalang, ho fokotsa ho kenyelletsoa; Ntlafatsa matla a mantlha le ho thatafala ha likarolo; Fokotsa bokaholimo ba likarolo; Ntlafatsa viscosity ea oli e tlotsang ho fokotsa ts'ebetso ea wedge.

Granular bainite ke eng?

E entsoe ka ferrite e kholo (equiaxed) le sebaka se phahameng sa carbon A.

Hlalosa mofuta, sepheo le ts'ebeliso ea ho khutlisa bolo

Tloaelo e tloaelehileng ea bolo: eketsa ho thatafala, ntlafatsa machinability, fokotsa ho phatloha ho hoholo ho senyang.

Isothermal ball regression: e sebelisetsoa litšepe tsa lisebelisoa tse phahameng tsa carbon, lisebelisoa tsa alloy tool.

Cycle ball back: e sebedisetswang carbon tool steel, alloy tool steel.

Mocheso o timang oa tšepe ea hypoeutectoid hangata o ka holimo ho Ac3, empa ke hobane'ng ha mocheso o timang mocheso oa tšepe ea hypereutectoid e le AC1-ACM?Leka ho e sekaseka ka teori

1. Ka lebaka la thepa e tlaase ea tšepe ea hypoeutectoid, mohaho oa pele oa P + F, haeba mocheso oa ho tima o ka tlaase ho Ac3, ho tla ba le F e sa tsitsang, 'me ho tla ba le ntlha e bonolo ka mor'a ho tima.Bakeng sa tšepe ea eutectoid, haeba mocheso e phahame haholo, e ngata haholo K 'qhibiliha, eketsa palo ea lakane M, ho bonolo ho baka deformation le ho phunyeha, eketsa palo ea A', e ngata haholo K 'qhibiliha, le ho fokotsa ho hanyetsa ha tšepe ea tšepe.

2. Mocheso oa tšepe ea eutectoid o phahame haholo, tšekamelo ea oxidation le decarbonization e eketseha, e le hore sebopeho sa holim'a tšepe ha se tšoane, boemo ba Mme bo fapane, bo fella ka ho tima ho phunyeha.

3. Ho khetha mocheso oa ho tima Ac1 + (30-50 ℃) o ka boloka K e sa qhibilihang ho ntlafatsa ho hanyetsa ho roala, ho fokotsa carbon content ea matrix, le ho eketsa polasetiki ea matla le ho tiea ha tšepe.

Ts'ebetso e ncha ea mocheso o tlase oa mocheso le mocheso o phahameng oa tšepe ea lebelo le phahameng e tla eketsa bophelo ba likarolo tse tingoang tsa tšepe ea lebelo le phahameng. Na e hlahlojoa ka khopolo-taba?

Pula e ts'oanang ea ε le M3C e etsa hore pula ea M2C le MC e ts'oane haholoanyane mofuteng oa mocheso oa bobeli o thata, o khothalletsang phetoho ea masala a austenite hore e be bainite le ho ntlafatsa matla le ho tiea.

Hlalosa mefuta e latelang ea alloy

ZL104: aluminium e entsoeng, MB2: motsoako oa magnesium o senyehileng, ZM3: magnesium e entsoeng, TA4: α titanium alloy, H68: koporo, QSN4-3: koporo ea tin, QBe2: koporo ea beryllium, TB2: β titanium alloy.

Ho thatafala ha fracture ke eng?U ka ahlola joang hore na karolo e na le khatello e tlase ea brittle fracture ho latela fracture toughness K1C, khatello ea kelello ea ho sebetsa le crack radius?

Ho thatafala ha fracture ke index ea thepa e bonts'ang bokhoni ba thepa ho hanela ho robeha.Haeba K1 & gt;K1C, khatello e tlase ea khatello ea maikutlo e etsahala.

Litšobotsi tsa phetoho ea karolo ea tšepe e bohlooho ha e bapisoa le tšepe:

1) tšepe ea tšepe ke fe-C-Si ternary alloy, 'me phetoho ea eutectoid e etsahala ka mocheso o pharaletseng, moo ho nang le ferrite + austenite + graphite;

2) Ts'ebetso ea graphitization ea tšepe e entsoeng ka tšepe e bonolo ho e phetha, 'me matrix a ferrite, pearlite matrix le ferrite + pearlite matrix ea tšepe ea tšepe e fumanoa ka ho laola mokhoa ona;

3) Likahare tsa carbon tsa A le lihlahisoa tsa phetoho li ka fetoloa le ho laoloa ka har'a mefuta e mengata ka ho laola mocheso o futhumatsang oa ho futhumatsa, ho pata le maemo a pholileng;

4) Ha ho bapisoa le tšepe, sebaka sa ho hasana ha liathomo tsa carbon se telele;

5) Phekolo ea mocheso ea tšepe e entsoeng ka tšepe e ke ke ea fetola sebopeho le kabo ea graphite, empa e ka fetola feela sebopeho se kopaneng le thepa.

 

Mokhoa oa motheo oa ho theha A ha tšepe e futhumatsoa ?Lintho tse amang lijo-thollo tsa A?

Mokhoa oa ho theha: ho thehoa ha nucleus ea kristale, ho hōla ha lijo-thollo tsa A, ho qhibiliha ha cementite e setseng, homogenization ea A; Lintlha: mocheso o futhumatsang, ho boloka nako, lebelo la ho futhumatsa, sebopeho sa tšepe, sebopeho sa pele.

Mekhoa ea mantlha ea ho potlakisa kalafo ea hest ea lik'hemik'hale ke efe?

Mekhoa: mokhoa oa ho laola likaroloana, phekolo ea ho kenella ka motsoako, ho hasana ha mocheso o phahameng, ho sebelisa lisebelisoa tse ncha ho potlakisa ts'ebetso ea ho hasana, ho kenngoa ha lik'hemik'hale, ho kenngoa ha 'mele.

Mekhoa e meraro ea mantlha ea ho fetisa mocheso ke efe?

Mokhoa oa phetisetso ea mocheso: phetisetso ea mocheso oa conduction, phetisetso ea mocheso oa convection, phetisetso ea mocheso oa radiation (sebopi sa vacuum ka holimo ho 700 ℃ ke phetisetso ea mocheso oa radiation).

Lesela le letšo la carbonitriding ke eng?E ka thibeloa joang?

E le ho thibela ponahalo ea lisele tse ntšo, naetrojene e ka har'a lesela le phunyeletsang ha ea lokela ho ba holimo ka ho lekaneng, ka kakaretso e kholo ho feta 0.5% e atisa ho ba le matheba a matšo; dikahare ka lera permeable ha ea lokela ho ba tlaase haholo, ho seng joalo ho bonolo ho theha marang-rang a tortenite.E le ho thibela marang-rang a tortenite, palo e eketsehileng ea ammonia e lokela ho ba e itekanetseng.Haeba litaba tsa ammonia li phahame haholo 'me ntlha ea phoka ea khase ea sebōpi e fokotseha, lisele tse ntšo li tla hlaha.

E le ho thibela ponahalo ea marang-rang a tortenite, mocheso oa mocheso oa ho tima o ka phahamisoa ka mokhoa o nepahetseng kapa sebaka se pholileng se nang le bokhoni bo matla ba ho pholisa se ka sebelisoa.

Hlalosa ka bokhutšoane molao-motheo oa khetho ea li-parameter tsa ho futhumatsa ka induction

Mokhoa oa ho futhumatsa: ho tima ho futhumatsa ha induction ho na le mekhoa e 'meli ea ho tima mocheso ka nako e le' ngoe le ho futhumatsa mocheso o tsoelang pele ho tima, ho itšetlehile ka maemo a thepa le mofuta oa likarolo.Matla a khethehileng a ho futhumatsa ka nako e le 'ngoe ka kakaretso ke 0.5 ~ 4.0 KW / cm2, 'me matla a khethehileng a ho futhumatsa ha selefouno ke ka kakaretso e kholo ho feta 1.5 kW/cm2. Likarolo tse telele tsa shaft, likarolo tse timang lesoba le ka hare, lisebelisoa tse bohareng tsa modulus tse nang le meno a sephara, likarolo tse hlobolisa li nka ho tima;

Litekanyetso tsa ho futhumatsa:

1. Mocheso oa ho futhumatsa: Ka lebaka la lebelo le potlakileng la ho futhumala, mocheso oa ho tima o phahame ka 30-50 ℃ ho feta phekolo ea mocheso o akaretsang e le ho etsa hore phetoho ea lisele e tlale;

2. Nako ea ho futhumatsa: ho ea ka litlhoko tsa theknoloji, lisebelisoa, sebōpeho, boholo, maqhubu a hona joale, matla a khethehileng le lintlha tse ling.

Mokhoa oa ho tima mohatsela le mokhoa oa ho tima: Mokhoa oa ho tima mohatsela oa ho tima oa ho futhumatsa hangata o sebelisa pholiso ea spray le ho futhumala ha tlhaselo.

Mekhoa ea ho itšireletsa ke efe?

Ho futhumatsa ho tlameha ho ba ka nako e loketseng, ka mor'a ho tima likarolo tse ka hare ho 4h tempering. Mekhoa e tloaelehileng ea ho futhumatsa ke ho itšehla thajana, ho futhumatsa mollo oa sebōpi le ho futhumatsa.

Ho lokisoa ha mekhahlelo ea motlakase ea ho futhumatsa ka induction

Sepheo ke ho etsa hore mosebetsi oa phepelo ea matla a phahameng le a mahareng a be maemong a resonant, e le hore lisebelisoa li bapale ka katleho e phahameng.

1. Fetola litekanyo tsa motlakase oa mocheso o phahameng oa maqhubu. Tlas'a boemo ba 7-8kV moroalo o tlaase oa motlakase, fetola ho kopanya le maikutlo a boemo ba letsoho ho etsa karolelano ea heke ea hona joale le anode hona joale 1: 5-1: 10, ebe o eketsa voltage ea anode ho voltage ea ts'ebeletso, ho fetola maemo a motlakase ho feta, e le hore motlakase oa kanale o fetoloe ho boleng bo hlokahalang, papali e ntle ka ho fetisisa.

2. Fetola mekhahlelo ea motlakase ea ho futhumatsa maqhubu a mahareng, khetha e loketseng quenching transformer reteleha karo-karolelano le capacitance ho ea ka boholo ba likarolo, sebopeho thatafatsa zone bolelele le sebopeho inductor, e le hore e ka sebetsa boemong ba resonance.

Mecha ea phatlalatso ea ho pholisa e sebelisoang hangata ke efe?

Metsi, metsi a letsoai, metsi a alkali, oli ea mochini, saltpeter, joala ba polyvinyl, tharollo ea trinitrate, sesebelisoa sa ho tima metsi, oli e khethehileng ea ho tima, jj.

Leka ho sekaseka lintlha tse amang ho thatafala ha tšepe

1. Tšusumetso ea carbon content: ka ho eketseha ha carbon content ka tšepe ea hypoeutectoid, botsitso ba A boa eketseha 'me C curve e tsamaea hantle; mothinya oa C o suthela ho le letona.

2. Tšusumetso ea likarolo tsa motsoako: Ntle le Co, likarolo tsohle tsa tšepe tse boemong bo tiileng ba tharollo li tsamaea hantle ho THE C curve.

3.Mocheso oa mocheso le nako ea ho tšoara: Ha mocheso oa A o phahame, nako e telele ea ho ts'oara, ha carbide e qhibiliha ka ho feletseng, lijo-thollo tsa A li mahoashe, 'me lekhalo la C le ea ka ho le letona.

4. Tšusumetso ea lisele tsa pele: Ha lisele tsa pele li le tšesaane, ho bonolo ho fumana seaparo sa A, e le hore CURVE ea C e tsamaee hantle 'me Mofumahali a theohe.

5. Tšusumetso ea khatello ea maikutlo le khatello e etsa hore C curve e tsamaee ka ho le letšehali.


Nako ea poso: Sep-15-2021