Phapang pakeng tsa annealing le tempering ke:
Ka mantsoe a bonolo feela, annealing e bolela ho se be thata, 'me ho halefa ho ntse ho boloka boima bo itseng.
Ho futhumatsa:
Sebopeho se fumanoang ka mocheso o phahameng oa mocheso ke sorbite e futhumetseng.Ka kakaretso, mocheso ha o sebelisoe feela.Sepheo se seholo sa ho futhumatsa ka mor'a hore likarolo li tima ke ho felisa khatello ea kelello le ho fumana sebopeho se hlokahalang.Ho ea ka mocheso o fapaneng oa mocheso, mocheso o arotsoe ka mocheso o tlaase, mocheso o bohareng le mocheso o phahameng oa mocheso.Tempered martensite, troostite le sorbite li ile tsa fumanoa ka ho latellana.
Har'a bona, phekolo ea mocheso e kopantsoeng le mocheso o phahameng oa mocheso ka mor'a ho tima o bitsoa phekolo ea quenching le tempering, 'me morero oa eona ke ho fumana thepa e feletseng ea mechine e nang le matla a matle, boima, polasetiki le boima.Ka hona, e sebelisoa haholo likarolong tsa bohlokoa tsa meralo ea likoloi, literekere, lisebelisoa tsa mochini, joalo-joalo, joalo ka lithupa tse hokelang, liboutu, likere le li-shafts.Ho thatafala ka mor'a ho futhumatsa hangata ke HB200-330.
annealing:
Phetoho ea Pearlite e etsahala nakong ea ts'ebetso ea annealing.Sepheo se seholo sa annealing ke ho etsa hore mohaho oa ka hare oa tšepe o fihle kapa o atamele boemo ba tekano, 'me o itokisetse ts'ebetso e latelang le phekolo ea ho qetela ea mocheso.Ho fokotsa khatello ea kelello ke mokhoa oa ho felisa khatello ea kelello e setseng e bakoang ke ho sebetsa ha polasetiki, ho cheselletsa, joalo-joalo le ho ba teng ha ho etsoa.Ho na le khatello ea kelello ka hare ho workpiece ka mor'a ho forging, casting, welding le cutting.Haeba e sa felisoe ka nako, workpiece e tla holofala nakong ea ts'ebetso le ts'ebeliso, e tla ama ho nepahala ha workpiece.
Ho bohlokoa haholo ho sebelisa annealing ea khatello ea maikutlo ho felisa khatello ea maikutlo e hlahisoang nakong ea ts'ebetso.Mocheso oa ho futhumatsa oa khatello ea maikutlo annealing o tlase ho feta mocheso oa phetoho ea mohato, ka hona, ha ho na phetoho ea sebopeho e hlahang nakong ea ts'ebetso eohle ea phekolo ea mocheso.Khatello ea ka hare e tlosoa haholo-holo ka tlhaho ke mosebetsi oa ho sebetsa nakong ea ho boloka mocheso le ho lieha ho pholile.
E le ho felisa khatello ea kelello ea ka hare ea workpiece ka ho feletseng, mocheso o futhumatsang o lokela ho laoloa nakong ea ho futhumatsa.Ka kakaretso, e kenngoa ka sebōping ka mocheso o tlaase, ebe o futhumatsoa ho mocheso o boletsoeng ka tekanyo ea mocheso oa hoo e ka bang 100 ° C / h.Mocheso oa ho futhumatsa oa weldment o lokela ho ba holimo hanyane ho feta 600 ° C.Nako ea ho tšoara e itšetlehile ka boemo, hangata lihora tse 2 ho isa ho tse 4.Nako ea ho ts'oara ea ho fokotsa khatello ea maikutlo e nka moeli o ka holimo, sekhahla sa ho pholisa se laoloa ho (20-50) ℃/h, 'me e ka pholile ho ea ka tlase ho 300 ℃ pele e ka pholile moeeng.
Kalafo ea botsofali e ka aroloa ka mefuta e 'meli: botsofali ba tlhaho le botsofali ba maiketsetso.Botsofali ba tlhaho ke ho beha ho lahla sebakeng se bulehileng ka nako e fetang halofo ea selemo, e le hore ho tla etsahala butle-butle, e le hore khatello e setseng e ka felisoa kapa ea fokotseha.Botsofali ba maiketsetso ke ho futhumatsa ho lahlela ho 550 ~ 650 ℃ Ho fokotsa khatello ea maikutlo, ho bolokang nako ha ho bapisoa le botsofali ba tlhaho, le ho tlosa khatello ea maikutlo ka botlalo.
Ho hlatsa ke eng?
Tempering ke mokhoa oa ho phekola mocheso o futhumatsang lihlahisoa tsa tšepe tse tima kapa likarolo ho mocheso o itseng, ebe o li pholisa ka tsela e itseng ka mor'a ho tšoara nako e itseng.Tempering ke opereishene e etsoang hang ka mor'a ho tima, 'me hangata ke phekolo ea ho qetela ea mocheso oa workpiece.Ka hona, ts'ebetso e kopanetsoeng ea ho tima le ho futhumatsa e bitsoa phekolo ea ho qetela ea mocheso.Sepheo se seholo sa ho tima le ho futhumatsa ke ho:
1) Fokotsa khatello ea kelello ka hare le ho fokotsa brittleness.Likarolo tse tingoeng li na le khatello e matla le brittleness.Haeba li sa halefa ka nako, hangata li tla holofala kapa li petsole.
2) Fetola thepa ea mochine ea workpiece.Ka mor'a ho tima, mosebetsi oa ho sebetsa o na le boima bo phahameng le brittleness e phahameng.E le ho finyella litlhoko tse fapaneng tsa ts'ebetso ea li-workpieces tse sa tšoaneng, e ka fetoloa ka ho tsitsa, ho thatafala, matla, polasetiki le ho tiea.
3) Boholo bo tsitsitseng ba workpiece.Sebopeho sa metallographic se ka tsitsisoa ka ho futhumatsa ho netefatsa hore ha ho na deformation e tla etsahala nakong ea ts'ebeliso e tlang.
4) Ntlafatsa ts'ebetso ea ho itšeha ea litšepe tse ling tsa alloy.
Ka tlhahiso, hangata e itšetlehile ka litlhoko tsa ts'ebetso ea workpiece.Ho ea ka lithempereichara tse fapaneng tsa ho futhumatsa, mocheso o arotsoe ka mocheso o tlase oa mocheso, mocheso o mahareng, le mocheso o phahameng oa mocheso.Mokhoa oa phekolo ea mocheso o kopanyang ho tima le ho latela mocheso o phahameng oa mocheso o bitsoa ho tima le ho futhumatsa, ke hore, o na le polasetiki e ntle le e thata ha e ntse e e-na le matla a phahameng.E sebelisoa haholo ho sebetsana le likarolo tsa mochini o nang le meroalo e meholo, joalo ka li-spindle tsa mochini, li-axle shafts tsa koloi, likere tse matla, jj.
Ho tima ke eng?
Ho tima ke mokhoa oa ho phekola mocheso o futhumatsang lihlahisoa tsa tšepe kapa likarolo tse ka holim'a mocheso oa phetoho ea mohato, ebe o fola ka potlako ka tekanyo e kholo ho feta tekanyo ea bohlokoa ea ho pholisa ka mor'a ho boloka mocheso ho fumana sebopeho sa martensitic.Ho tima ke ho fumana sebopeho sa martensitic, 'me ka mor'a ho halefa, mosebetsi oa ho sebetsa o ka fumana ts'ebetso e ntle, e le hore o ka ntlafatsa ka botlalo bokhoni ba thepa.Sepheo sa eona se seholo ke ho:
1) Ntlafatsa thepa ea mochini ea lihlahisoa tsa tšepe kapa likarolo.Ka mohlala: ho ntlafatsa ho thatafala le ho roala ho hanyetsa ha lisebelisoa, li-bearings, joalo-joalo, ho eketsa moeli o tsitsitseng oa liliba, ho ntlafatsa thepa e pharaletseng ea likarolo tsa shaft, joalo-joalo.
2) Ntlafatsa thepa ea thepa kapa lik'hemik'hale tsa litšepe tse ling tse khethehileng.Joalo ka ho ntlafatsa ho hanyetsa ha kutu ea tšepe e sa hloekang, ho eketsa matla a khoheli a sa feleng a tšepe ea makenete, jj.
Ha ho tima le ho pholile, ho phaella tabeng ea khetho e loketseng ea ho tima, ho boetse ho hlokahala mekhoa e nepahetseng ea ho tima.Mekhoa ea ho tima e sebelisoang hangata e kenyelletsa ho tima mokelikeli o le mong, ho tima metsi a mabeli, ho tima ka mekhahlelo, ho tima ka isothermal, le ho tima ha karolo e itseng.
Phapang le kamano pakeng tsa normalizing, quenching, annealing le tempering
Morero le tšebeliso ea normalizing
① Bakeng sa tšepe ea hypoeutectoid, ho tloaeleha ho sebelisoa ho felisa sebopeho sa mahoashe a mahoashe le sebopeho sa Widmanstatten sa li-castings, forgings le weldments, le sebopeho se tlanngoeng ka thepa e phuthoang;hloekisa lijo-thollo;'me e ka sebelisoa e le phekolo ea pele ho mocheso pele ho tima.
② Bakeng sa tšepe ea hypereutectoid, ho tloaeleha ho ka felisa cementite ea bobeli ea reticular le ho hloekisa pearlite, e sa ntlafatseng thepa ea mochine feela, empa hape e thusa ho fokotsa spheroidizing annealing.
③ Bakeng sa lipoleiti tsa tšepe tse tšesaane tse nang le carbon e tlase, ho tloaeleha ho ka tlosa samente ea mahala meeling ea lijo-thollo ho ntlafatsa thepa ea bona e tebileng.
④ Bakeng sa tšepe e nang le k'habone e tlase le tšepe e tlase ea khabone e tlase, sebelisa mokhoa o tloaelehileng ho fumana sebopeho sa pearlite e boreleli, eketsa boima ho HB140-190, qoba "thipa e khomarelang" nakong ea ho itšeha, 'me u ntlafatse machinability.Bakeng sa tšepe ea carbon e bohareng, ha ho ka sebelisoa ho tloaeleha le ho kopanya, ho na le chelete e ngata ebile ho bonolo ho e sebelisa ho tloaelehileng.
⑤ Bakeng sa tšepe e tloaelehileng ea carbon-medium-carbon structural, normalizing e ka sebelisoa ho e-na le ho tima le mocheso o phahameng oa mocheso ha thepa ea mechine e se e phahameng, e seng bonolo feela ho sebetsa, empa hape e tsitsisa sebopeho le boholo ba tšepe.
⑥ Ho tloaeleha ka mocheso o phahameng (150-200 ° C ka holimo ho Ac3) ho ka fokotsa karohano ea sebopeho sa li-castings le forgings ka lebaka la sekhahla se phahameng sa ho hasana ha mocheso o phahameng.Lithollo tse mahoashe ka mor'a hore li tloaelehe ka mocheso o phahameng li ka hloekisoa ka ho tloaeleha ka mor'a moo mocheso oa bobeli o tlaase.
⑦ Bakeng sa litšepe tse ling tse tlase le tse mahareng tsa carbon alloy tse sebelisoang ka li-turbine tsa mouoane le li-boilers, ho tloaeleha ho atisa ho sebelisoa ho fumana sebopeho sa bainite, ebe se halefa ka mocheso o phahameng.E na le khanyetso e ntle ha e sebelisoa ho 400-550 ° C.
⑧ Ntle le likarolo tsa tšepe le lihlahisoa tsa tšepe, ho tloaeleha ho boetse ho sebelisoa haholo ho phekola mocheso oa tšepe ea ductile ho fumana pearlite matrix le ho ntlafatsa matla a tšepe ea ductile.
Kaha ho tloaeleha ho khetholloa ke ho pholile ha moea, mocheso o pota-potileng, mokhoa oa stacking, moea oa moea le boholo ba mosebetsi oa mosebetsi kaofela o na le tšusumetso mohahong le tshebetsong ka mor'a ho tloaeleha.Sebopeho se tloaelehileng se ka boela sa sebelisoa e le mokhoa oa ho arola tšepe ea alloy.Ka kakaretso, litšepe tsa alloy li arotsoe ka tšepe ea pearlite, tšepe ea bainite, tšepe ea martensitic le tšepe ea austenitic ho latela microstructure e fumanoang ka ho futhumatsa sampuli ka bophara ba 25 mm ho isa ho 900 ° C le moea o pholileng.
Annealing ke mokhoa oa ho phekola mocheso oa tšepe oo tšepe e futhumetseng butle-butle ho mocheso o itseng, e bolokiloe nako e lekaneng, ebe e pholile ka tekanyo e loketseng.Kalafo ea mocheso oa Annealing e arotsoe ka ho annealing ka ho feletseng, ho koala ho sa fellang le ho fokotsa khatello ea kelello.Thepa ea mochini ea thepa e hanetsoeng e ka bonoa ka tlhahlobo ea tensile kapa teko ea boima.Lihlahisoa tse ngata tsa tšepe li fanoa ka boemo ba annealing le phekolo ea mocheso.
Rockwell hardness tester e ka sebelisoa ho leka ho thatafala ha tšepe.Bakeng sa lipoleiti tsa tšepe tse tšesaane, likhoele tsa tšepe le lipeipi tsa tšepe tse nang le mabota a masesaane, ho ka sebelisoa liteko tsa ho thatafala tsa Rockwell ho leka ho thatafala ha HRT.
Sepheo sa ho anneal ke ho:
① Ntlafatsa kapa u felise mefokolo e fapaneng ea sebopeho le likhatello tse setseng tse bakoang ke tšepe ea tšepe, forging, rolling le welding, le ho thibela deformation le ho peperana ha lisebelisoa.
② Nolofatsa mosebetsi oa ho seha.
③ Ho hloekisa lijo-thollo le ho ntlafatsa sebopeho ho ntlafatsa thepa ea mochini oa mosebetsi.
④ Etsa litokisetso tsa mokhatlo bakeng sa phekolo ea ho qetela ea mocheso (ho tima, ho futhumatsa).
Mokhoa o sebelisoang hangata oa annealing
① E hlakotsoe ka botlalo.E sebelisetsoa ho hloekisa mohaho o chesang haholo o nang le thepa e fokolang ea mochine ka mor'a ho lahla, ho forging le ho cheselletsa tšepe ea carbon e bohareng le e tlaase.Chesa workpiece ho 30-50 ° C ka holim'a mocheso oo ferrite e fetoloang ka ho feletseng hore e be austenite, e boloke e futhumetse ka nako e itseng, ebe e pholile butle ka sebōpi.Nakong ea pholileng, austenite e tla fetoha hape ho etsa hore mohaho oa tšepe o be mosesaane .
② Spheroidizing annealing.E sebelisetsoa ho fokotsa boima bo phahameng ba tšepe ea sesebelisoa le tšepe ea ho jara ka mor'a ho fereka.Sebaka sa mosebetsi se futhumetse ho 20-40 ° C ka holim'a mocheso oo tšepe e qalang ho theha austenite, ebe o pholile butle ka mor'a ho boloka mocheso.Nakong ea pholileng, lamellar cementite ka pearlite e fetoha spherical, kahoo e fokotsa ho thatafala.
③ Ho thijoa ha Isothermal.E sebelisoa ho fokotsa boima bo phahameng ba litšepe tse ling tsa alloy tse nang le nickel e phahameng le litaba tsa chromium bakeng sa ho seha.Ka kakaretso, e qala ho pholile mocheso o sa tsitsang oa austenite ka lebelo le potlakileng, 'me e bolokiloe ka nako e loketseng, austenite e tla fetoha troostite kapa sorbite,' me boima bo ka fokotseha.
④ Recrystallization annealing.E sebelisetsoa ho felisa ntho e thatafatsang (keketseho ea ho thatafala le ho fokotseha ha polasetiki) ea terata ea tšepe le poleiti e tšesaane nakong ea ho taka le ho bata ho batang.Mocheso oa mocheso ka kakaretso ke 50-150 ° C ka tlase ho mocheso oo tšepe e qalang ho etsa austenite.Ke ka tsela ena feela phello e thata ea mosebetsi e ka felisoang 'me tšepe e nolofalloa.
⑤ Kemiso ea litšoantšo.E sebelisoa ho fetola tšepe e entsoeng ka tšepe e nang le samente e ngata hore e be tšepe e bonolo e nang le polasetiki e ntle.Ts'ebetso ea ts'ebetso ke ho futhumatsa ho lahla hoo e ka bang 950 ° C, ho e boloka e futhumetse ka nako e itseng ebe o e pholisa hantle ho senya samente ho etsa sehlopha sa flocculent graphite.
⑥ Ts'ebetso ea phallo.E sebelisoa ho homogenize sebopeho sa lik'hemik'hale tsa li-alloy castings le ho ntlafatsa ts'ebetso ea tsona.Mokhoa ke ho futhumatsa ho lahlela mocheso o phahameng ka ho fetisisa ntle le ho qhibiliha, le ho o boloka o futhumala ka nako e telele, ebe o pholile butle ka mor'a ho ata ha likarolo tse sa tšoaneng ka motsoako o atisa ho ajoa ka tsela e tšoanang.
⑦ Ho fokotsa khatello ea maikutlo.E sebelisetsoa ho felisa khatello ea kelello ea ka hare ea li-castings tsa tšepe le li-weldments.Bakeng sa lihlahisoa tsa tšepe le tšepe tse futhumetseng ho 100-200 ° C ka tlase ho mocheso oo austenite e qalang ho theha, ho pholile moeeng ka mor'a ho boloka mocheso ho ka felisa khatello ea kelello ka hare.
Ho tima, mokhoa oa ho phekola mocheso bakeng sa tšepe le khalase.Ho futhumatsa lihlahisoa tsa alloy kapa khalase ho mocheso o itseng, ebe o pholile ka potlako metsing, oli kapa moea, hangata o sebelisetsoa ho eketsa boima le matla a motsoako.E tsebahalang haholo ka "dipping fire".Metal mocheso kalafo reheats quenched workpiece ho mocheso loketseng tlaase ho feta tlaase mocheso mahlonoko tseo ho leng, 'me joale cooling e ka moea, metsi, oli le mecha ea litaba tse ling ka mor'a ho e tšoara ka nako e itseng.
Lisebelisoa tsa tšepe li na le litšobotsi tse latelang ka mor'a ho tima:
①Mehaho e sa tsitsang (ke hore, e sa tsitsang) e kang martensite, bainite, le e bolokiloeng austenite e fumanoa.
②Ho na le khatello e kholo ea ka hare.
③Thepa ea mechine e ke ke ea finyella litlhoko.Ka hona, li-workpieces tsa tšepe hangata li tlameha ho halefa ka mor'a ho tima.
Mosebetsi oa ho kokobetsa
① Ntlafatsa botsitso ba sebopeho, e le hore sesebelisoa sa mosebetsi se se ke sa hlola se fetoha ka nako ea ts'ebeliso, e le hore boholo ba geometri le ts'ebetso ea sesebediswa sa mosebetsi li lule li tsitsitse.
② Felisa khatello ea kelello ka hare e le ho ntlafatsa tshebetso ealikarolo tsa cncle ho tsitsisa litekanyo tsa thutatekanyo tsalikarolo tse sililoeng.
③ Fetola thepa ea mochini ea tšepe ho fihlela litlhoko tsa ts'ebeliso.
* Lebaka leo ka lona tempering e nang le liphello tsena ke hore ha mocheso o phahama, mosebetsi oa liathomo oa eketseha, 'me liathomo tsa tšepe, carbon le likarolo tse ling tse kopantsoeng ka har'a tšepe li ka hasana ka potlako ho hlokomela ho hlophisoa bocha ha liathomo, kahoo li etsa hore li se ke tsa tsitsa.Mokhatlo o sa tsitsang o fetoha butle-butle mokhatlong o tsitsitseng o tsitsitseng.Ho imoloha ha khatello ea kelello ka hare ho boetse ho amana le ho fokotseha ha matla a tšepe ha mocheso o ntse o eketseha.Ka kakaretso, ha tšepe e halefisoa, ho thatafala le matla a fokotseha, 'me polasetiki ea eketseha.Ha mocheso oa mocheso o phahame, ho na le phetoho e kholo ho thepa ena ea mechine.Litšepe tse ling tsa alloy tse nang le lintho tse ngata tse kopantsoeng li tla fokotsa metsoako e meng ea tšepe e hloekileng ha e halefa ka mocheso o itseng, e leng ho tla eketsa matla le ho thatafala.
Ketsahalo ena e bitsoa ho thatafala ha bobeli.
Litlhoko tsa ho ikoetlisa:li-workpieces tse nang le ts'ebeliso e fapaneng li lokela ho halefa ka mocheso o fapaneng ho fihlela litlhoko tse sebelisoang.
① Lisebelisoa tsa ho seha, li-bearings, likarolo tsa carburized le tse tingoeng, le likarolo tse tingoeng holim'a metsi hangata li belisoa ka mocheso o ka tlase ho 250 ° C.Ka mor'a mocheso o tlaase oa mocheso, boima ha bo fetohe haholo, khatello ea ka hare e fokotseha, 'me boima bo ntlafatsa hanyenyane.
② Nako ea selemo e halefisoa ka mocheso o itekanetseng ho 350-500 ° C ho fumana elasticity e phahameng le ho tiea ho hlokahalang.
③ Likarolo tse entsoeng ka tšepe ea sebopeho sa khabone hangata li halefisoa ka mocheso o phahameng oa 500-600 ° C ho fumana motsoako o motle oa matla le boima.
Mokhoa oa phekolo ea mocheso oa ho tima le mocheso o phahameng oa mocheso ka kakaretso o bitsoa quenching le tempering.
Ha tšepe e halefisoa hoo e ka bang 300 ° C, hangata brittleness ea eona e eketseha.Ketsahalo ena e bitsoa mofuta oa pele oa ho halefa brittleness.Ka kakaretso, ha ea lokela ho halefa sebakeng sena sa mocheso.Litšepe tse ling tse mahareng tsa carbon alloy structural steels le tsona li na le tšekamelo ea ho ba brittle haeba li pholile butle ka mocheso oa kamore ka mor'a hore mocheso o phahame.Ketsahalo ena e bitsoa mofuta oa bobeli oa ho halefa.Ho eketsoa ha molybdenum ho tšepe, kapa ho pholile ka oli kapa metsi nakong ea ho futhumatsa, ho ka thibela mofuta oa bobeli oa ho halefa.Bofokoli bona bo ka felisoa ka ho futhumatsa mofuta oa bobeli oa tšepe ea brittle ho mocheso oa pele oa mocheso.
Ho kenngoa ha tšepe
Khopolo: Tšepe e futhumetse, e bolokoa e futhumetse ebe e pholile butle ho fumana ts'ebetso e haufi le sebopeho sa tekano.
1. E hlakotsoe ka ho feletseng
Tshebetso: ho futhumatsa Ac3 ka holimo ho 30-50°C → ho boloka mocheso → ho pholisa ho fihlela ka tlase ho 500°C ka sebōpi → moea o pholileng mochesong oa kamore.
Morero: ho hloekisa lijo-thollo, sebopeho se ts'oanang, ho ntlafatsa ho tiea ha polasetiki, ho felisa khatello ea kelello ea ka hare, le ho tsamaisa machining.
2. Annealing ea Isothermal
Tshebetso: Ho futhumala ka holimo ho Ac3 → ho boloka mocheso → ho pholile ka potlako mochesong oa phetoho ea pearlite → ho lula ha isothermal → ho fetoha P → moea o pholileng o tsoa ka sebōping;
Morero: Hoa tšoana le ka holimo.Empa nako e khuts'oane, ho bonolo ho e laola, 'me deoxidation le decarburization li nyane.(E sebetsa ho tšepe ea alloy le k'habone e kholoho lokisa likarolo tsa tšepeka supercooling e batlang e tsitsitse A).
3. Spheroidizing annealing
Khopolo:Ke mokhoa oa ho spheroidizing cementite ka tšepe.
Lintho:Litšepe tsa Eutectoid le hypereutectoid
Tshebetso:
(1) Isothermal spheroidizing annealing warming e ka holimo ho Ac1 ho ea ho likhato tse 20-30 → ho boloka mocheso → ho pholisa ka potlako ho likhato tse 20 ka tlase ho Ar1 → isothermal → pholiso ho isa ho likhato tse ka bang 600 ka sebōpi → moea o pholileng o tsoa ka sebōping.
(2) Mocheso o tloaelehileng oa spheroidizing annealing Ac1 ka holimo ho likhato tse 20-30 → ho boloka mocheso → ho pholile butle haholo ho isa ho likhato tse ka bang 600 → moea o pholileng o tsoa ka sebōping.(Potoloho e telele, ts'ebetso e tlase, ha e sebetse).
Morero: ho fokotsa boima, ho ntlafatsa polasetiki le ho tiea, le ho thusa ho itšeha.
MokhoaEtsa lakane kapa samente ea marang-rang hore e be granular (e chitja)
Tlhaloso: Ha annealing le ho futhumatsa, sebopeho ha se A ka ho feletseng, kahoo se boetse se bitsoa annealing e sa phethahalang.
4. Ho fokotsa khatello ea maikutlo
Tshebetso: ho futhumatsa mocheso o itseng ka tlase ho Ac1 (500-650 likhato) → ho boloka mocheso → ho phomola butle ho mocheso oa kamore.
Morero: Felisa khatello e setseng ea ka hare ea li-castings, forgings, weldments, joalo-joalo, 'me u tsitsise boholo balikarolo tsa mochini o hlophisitsoeng.
Ho futhumatsa tšepe
Tshebetso: Khutlisa tšepe e tingoeng mochesong o ka tlase ho A1 'me ue boloke e futhumetse, ebe e pholile (ka kakaretso e pholile moeeng) ho mocheso oa kamore.
Morero: Felisa khatello ea kelello e ka hare e bakoang ke ho tima, tsitsisa boholo ba workpiece, fokotsa brittleness, le ho ntlafatsa tshebetso ea ho itšeha.
Thepa ea mechine: Ha mocheso oa mocheso o ntse o eketseha, ho thatafala le matla a fokotseha, ha polasetiki le boima bo ntse bo eketseha.
1. Mocheso o tlaase oa mocheso: 150-250 ℃, linako tsa M, ho fokotsa khatello ea kelello le brittleness ka hare, ho ntlafatsa ho tiea ha polasetiki, ho ba le boima bo phahameng le ho hanyetsa ho apara.E sebelisetsoa ho etsa lisebelisoa tsa ho lekanya, lithipa le li-bearings, joalo-joalo.
2. Ho futhumatsa ka mocheso o bohareng: 350-500 ° C, nako ea T, e nang le elasticity e phahameng, polasetiki e itseng le boima.E sebelisetsoa ho etsa li-spring, forging dies, joalo-joalo.
3. Mocheso o phahameng oa mocheso: 500-650 ℃, nako ea S, e nang le thepa e ntle ea mochine.E sebelisetsoa ho etsa li-gear, crankshafts, joalo-joalo.
Anebon e fana ka ho tiea ho hoholo ho tsoileng matsoho le tsoelopeleng, thekisong, thekisong e felletseng le papatso le ts'ebetso bakeng sa Moetsi oa OEM/ODM Precision Iron Stainless Steel.Ho tloha ha lefapha la tlhahiso le thehoa, Anebon e se e ikemiseditse tsoelopeleng ea thepa e ncha.Hammoho le lebelo la sechaba le moruo, re tla tsoelapele ho ntšetsa pele moea oa "bokhabane bo holimo, bokhabane, boqapi, bots'epehi", le ho lula le molao-motheo oa ts'ebetso oa "mokoloto qalong, moreki oa pele, boleng bo botle bo holimo".Anebon e tla hlahisa bokamoso bo botle bo bonoang molemong oa tlhahiso ea moriri le bo-mphato ba rona.
Moetsi oa OEM/ODM China Casting le Steel Casting, Moralo, ho sebetsa, ho reka, ho hlahloba, ho boloka, ho bokella, kaofela li ts'ebetsong ea mahlale le e sebetsang ea litokomane, ho eketsa boemo ba ts'ebeliso le ts'epahalo ea mofuta oa rona ka botebo, e leng se etsang hore Anebon e be morekisi ea phahameng oa thepa. mekhahlelo e mene e meholo ea lihlahisoa, joalo ka machining a CNC, likarolo tsa ho sila tsa CNC, ho fetoha ha CNC le li-castings tsa tšepe.
Nako ea poso: May-15-2023