Theknoloji ea Tlhahiso ea Sesebelisoa sa Microalloyed

Production theknoloji ea tšepe lipeipi

1. Pipe ea tšepe

 Lipoleiti tse mahareng le tse teteaneng le makhetlo a sebelisoang ha ho etsoa pokello ea oli le khase ea tlhaho le lipeipi tsa sebaka se selelele kapa mashala le liphahlo tsa thepa ea moaho li bitsoa lipeipi. Ka kakaretso, lipoleiti tse mahareng le tse teteaneng li sebelisetsoa ho etsa liphaephe tse telele tse nang le marako a malelele, 'me likhoele li sebelisetsoa ho hlahisa liphaephe tsa welded tse hanyetsanang ka nako e telele kapa liphaephe tse koahetsoeng tsa arc. Bokhoni ba tlhahiso ea lapeng ea lithane tse 600,000 tsa liphaephe tse hahelletsoeng ka moea tse nang le bophara ba selemo sa 1800mm kapa ka tlase bo thehiloe. Lilemong tsa morao tjena, mohala oa tlhahiso oa lipeipi tse otlolohileng tse nang le lerako le otlolohileng tse nang le bophara ba 1600mm kapa ka tlase e thehiloe. Tlhahiso ea lapeng ea tšepe ea lipeipi e fihlellang litlhokahalo tsa moralo oa boenjiniere ba lipeipi tsa AP15L e na le nalane ea lilemo tse fetang 10 feela. Baosteel ke eona ea pele e tla hlahisoa, hammoho le Anshan Iron le Steel, Wuhan Iron le Steel, Panzhihua Iron le Steel, Jiuquan Iron le Steel, Wugang, jj. mmaraka oa machabeng, boleng ba tšepe ea lipeipi ea X60 e hlahisitsoeng ka liteko le eona e fihlile boemong bo tsoetseng pele ba machabeng.

2. Boemo ba hajoale ba kaho ea lipeipi tsa oli le khase kahare le kantle ho naha

Lilemong tse 50 tse fetileng, ho ne ho na le lipeipi tse thusang tsa khase tse 241 Europe, mme ts'ebeliso ea tšepe e fihlile lithane tse limilione tse 5.03. Ts'ebeliso ea tšepe ea lipeipi ea X65 le X70 e bile 89%; Liphaephe tsa oli tse 33 li sebelisitse tšepe ea lithane tse 260,000, 'me lipeipi tsa X65-X70 e ne e le 40%. Tšepe ea X70 ea sehlopha e bile 55.25% ea lipeipi tse sa tsoa hahuoa tsa oli le khase Amerika Leboea lipakeng tsa 1969 le 1998. Ho fihlela hajoale, lipeipi tsa khase tse 8 X80 li se li hahiloe lefats'eng, ka bolelele bo felletseng ba 462Km, bophara ba liphaephe f1118-f1219, le botenya ba lebota ba 12.0-13.6mm. Le e atlehile ntshetswa pele X90 le X100 sehlopheng lipeipi tšepe.

Kaho ea lipeipi tsa oli le khase tsa China e se e kene nakong ea tlhoro ea bobeli, 'me sekala sa nts'etsopele ea oli le khase lilemong tse 10 tse tlang se tla feta lilemo tse 50 tse fetileng. Lipeipi tsa oli tsa 7540Km le lipeipi tsa khase tsa 14570Km li tla beoa. Ho tla hlokahala lithane tse ka bang limilione tse 5.08 tsa lipeipi tsa X42-X65. Bolelele ba karolo ea lapeng ea projeke ea Sino-Russia ea lipeipi tsa oli le lipeipi tse ling tse 'ne tsa machabeng tsa khase e tla ba 12385Km. Morero oa lipeipi tsa khase ea West-East ke X70 sehlopheng, 'me khatello e entsoeng ea phetisetso ea khase ke 10Mpa. E hakantsoe ho latela bophara ba phala f1016 le botenya ba lerako la 14.7mm, tšepe ea lipeipi e hloka lithane tse limilione tse 1.75.

3. Litlhoko tsa mahlale bakeng sa tšepe ea lipeipi

Lipeipi tsa sejoale-joale ke tšepe e nang le khabone e tlase kapa e nang le kh'habone e nyane haholo. Ke sehlahisoa se nang le lintlha tse phahameng tsa tekheniki le boleng bo phahameng bo ekelitsoeng. Tlhahiso ea lipeipi tsa tšepe e se e sebelisitse katleho eohle e ncha ea mahlale tšimong ea metallurgic bakeng sa lilemo tse fetang 20. Mokhoa oa hajoale oa nts'etsopele ea boenjineri ba lipeipi ke bophara bo boholo ba lipeipi, lipalangoang tse nang le khatello e phahameng ea khase, tikoloho e batang le e senyang ea ts'ebeletso, le lipeipi tse tsamaeang ka tlas'a metsi. Ka hona, tšepe ea sephahla ea sejoale-joale e lokela ho ba le matla a phahameng, phello e tlase ea Bauschinger, ho ba thata haholo le ho hanela ho robeha ha brittle, ho tjheseletsa ha k'habone e nyane le ho khonahala hantle, hammoho le ho hanyetsa ts'enyeho ea HIC le H2S. Leano le ntlafalitsoeng la tlhahiso ke ho ntlafatsa bohloeki le sebopeho sa tšepe ka tšepe. C≤0.09%, S≤0.005%, P≤0.01%, O≤0.002%, mme e amohela microalloying, vacuum degassing + CaSi, phokotso ea leseli ts'ebetsong e tsoelang pele ea ho lahla, methati e mengata ea thermomechanical rolling le mesebetsi e mengata Ho phomola ho potlakileng ho potlakileng le tse ling lits'ebetso. Ts'ebetso ea tšepe ea lipeipi e tsitsitse haholo, boleng ba ho fetoha ha matla a lihlahisoa tsa X70 le matla a tensile li ka tlase ho 70Mpa, mme boleng ba matla a ho fetoha ha matla a tšepe e khahlanong le HIC e ka ba 70J. Ha ho na index ea ho thatafala ha tšepe ea lipeipi litlhakisong tsa lipeipi tsa malapeng le kantle ho naha, ke litlhoko tse ikhethileng feela tsa lisebelisoa tsa lipeipi:

• ① DWTT≥85% SA ka mocheso o tlase o sebetsang (-5 ℃);
• ② Matla a ho hula matla a Charpy ≥145J ka mocheso o tlase haholo oa ho sebetsa (-5 ℃).

Tlhahiso ea mahlale a tšepe ea ho haha ​​likepe

1. Ts'epe ea ho haha ​​likepe

Lisebelisoa tsa tšepe tse sebelisetsoang ho aha likepe tsa lehae kapa tsa sesole li bitsoa litšepe tsa ho haha ​​likepe. Ho na le lipoleiti tsa tšepe, li-profiles, liphaephe, li-castings le li-forgings, jj. Empa ka tloaelo, tšepe ea shipbuilding e bua feela ka lipoleiti tsa tšepe tse sebelisetsoang likepe tsa likepe. Ho na le mekhahlelo e meraro: lipoleiti tsa tšepe tse hahang likepe, lipoleiti tsa tšepe tse matlafatsang, le likepe tsa likepe.

2. Litlhoko tsa mahlale bakeng sa tšepe ea ho haha ​​likepe

• Litlhoko tsa matla. Matla a phahameng a ka fokotsa boima ba 'mele, a fokotsa mosebetsi oa ho tjheseletsa le ho eketsa bokhoni ba ho jara. Ts'ebeliso ea tšepe e nang le matla a phahameng e thibetsoe ke 'mele o thata le oa ts'enyeho.
• ② Sebopeho sa 'mele se batla se le thata. Ho na le mefuta e mengata ea li-curve tse le 'ngoe kapa li-hyperboloids,' me lits'ebetso tse fapaneng tsa ho etsa joalo ka ho bata, ho chesa le ho lokisa ho hlokahala. Ho hlokahala hore tšepe e tšoanelehe ts'ebetsong ea ho haha ​​likepe, ho kenyeletsoa ho tjheseletsa le ho lokisa.
• Litlhoko tsa polasetiki le ho ba thata li lekane ho lefella tšusumetso ea ho thatafatsa mosebetsi le ho potoloha hoa mocheso molemong oa thepa ka lebaka la ts'ebetso e fapaneng ts'ebetsong ea kaho. Bakeng sa likarolo tsa bohlokoa joalo ka seqha, karolo eo khatello ea bolelele ba mmele ba 'mele e leng kholo ka ho fetesisa, botlaaseng ba sekepe le lehlakore le ts'oaroang, ho hlokahala hore ho be le ts'ireletso e phahameng,' me ho hlokahala hore ho be le katoloso e fokolang mocheso oa phetoho le tšusumetso e lekaneng tlasa maemo a mocheso o tlase. .
• Resistance Ho hanyetsa ts'enyeho ea metsi a leoatle

3. Tlhokahalo ea tšepe ea ho haha ​​likepe

Lilemong tsa bo-1990, kholo ea molumo oa likepe tsa machabeng e ne e phahame ho feta keketseho ea bokhoni ba ho tsamaisa thepa. Ka 'marakeng oa likepe, kaho e ncha ea likepe le lits'ebetso tsa khale tsa likepe li ne li sebetsa. Lilemong tse hlano tsa pele, lits'ebetso tse ncha tsa likepe li fihletse lithane tse limilione tse 32 tsa ho fallisoa. Koporasi ea Chaena ea Likepe e hahang feela e hahile likepe tse boima ba lithane tse limilione tse 6.76, 'me lithane tse limilione tse 3.5-4 li ka hahuoa bocha lilemong tse hlano tse tlang. E ikarabella bakeng sa 1/10 ea bophahamo ba lefatše ba kaho ea likepe.

Indasteri ea kaho ea likepe ea China e khonne ho aha likepe tsa oli tsa sehlopha sa boima ba lithane tse 280,000, lijana tse boima ba lithane tse 150,000, liforomo tsa ho cheka lithane tse 1,200, likepe tsa 4200m3LPG, likepe tsa khase tse qhibilihisitsoeng tsa 3000m3, le likepe tsa hydrofoil tse laoloang ka bongata tse itlhommeng pele.

Bokhoni ba ho aha likepe ba likhamphani tsa lapeng tse hahang likepe, Lekala la Lipalang le Lekala la Temo li ka ba lithane tse limilione tse 6. E ka aha lihlahisoa tse likete tse sa romelloeng ka mekhahlelo e 24 bakeng sa tšepe, motlakase, petrochemical, hydropower, mashala, kaho ea litoropo le indasteri ea leseli. Leha ho le joalo, matla a tlhahiso a tlase ho feta lithane tse limilione tse 14 tsa Japane le lithane tse limilione tse 13 tsa Korea Boroa.

Hajoale, tlhoko ea selemo le selemo ea tšepe ea ho haha ​​likepe ke lithane tse limilione tse 2, tseo lipoleiti tsa tsona tsa tšepe li ka bang lithane tse limilione tse 1 ho isa ho tse 1.2. Ha e le hantle, lihlahisoa tse 'ne tsa tšepe le limaraka tse hlano tsa lipoleiti tsa sekepe li ka hlahisoa Chaena. Tlhokahalo ea boardboard ea likepe tse nang le matla ka kakaretso ea 240Mpa e ntse e le eona ea mantlha, 'me board ea likepe tse matla tse phahameng tsa 450Mpa le eona e ka hlahisoa.

4. Lintlha tsa bohlokoa tsa theknoloji ea tlhahiso ea tšepe ea kaho ea likepe

• ① Bakeng sa lipoleiti tsa likepe tsa Class A le D, litlhoko tsa bohloeki ke ≤0.008s, -0.015P, Litlhokahalo tsa Class E ke -0.005% S, -0.010% P, Litlhokahalo tsa Class F ke -0.002% S, le -0.005% P. Bakeng sa lipoleiti tsa tšepe bakeng sa likepe tsa metsing, ho netefatsa hore NDT≤-550C, ho hlokahala hore e be ≤0.002% S, -0.005% P, -40ppmN, -10ppmO le -1.0ppmH. Ts'ebetso ea ho hloekisa e bohlokoa.
• ② Mekhahlelo ea A le D e ka tsamaisoa ka ho sotha ho chesang le ho laoloa ka mokhoa o laoloang. Mekhahlelo ea E le ea F e lumella ho tloaela tloaelo kapa ho sarolla ka mechine. Ho a hlokahala ho khetholla lekhalo lipakeng tsa ho saroloha ho laoloang le ho saroloha ha thermomechanical. Tekanyetso ea hajoale e tiisa hore ha ho lipoleiti tsa sekepe sa E-class le F-class tse ka hlahisoang ntle le maemo a kalafo ea mocheso.
• ③ Litlhokahalo tsa boleng ba tšepe li kenyelletsa litlhoko tsa sebopeho le ho nepahala ha 'mele, litlhokahalo tsa tlhahlobo ea sekoli sa ultrasonic le litlhoko tsa botsitso ba ts'ebetso.

Hajoale, hoo e batlang e le leloala lohle la tšepe la malapeng le nang le maemo a poleiti le fetisitse pontšo mme le ka hlahisa lipoleiti tsa likepe tsa Class A, B le D.

Leha ho le joalo, sehlopha sa E le sehlopha se matla haholo sa lipoleiti tsa likepe se lekantsoe ho Anshan Iron le Steel, Wuhan Iron le Steel, Wushan Iron le Steel, Pudong Iron le Steel, le Chongqing Iron le Steel.

Production theknoloji ea tšepe bakeng sa marokho

1. Tšepe bakeng sa marokho

Tšepe ea marokho a boletsoeng mona e bua ka lipoleiti tsa tšepe kapa li-profiles tse sebelisitsoeng bakeng sa meaho e nang le tšepe ea bolt ea meaho e meholo ea li-girder, marokho a 'mila o moholo le marokho a seporo, ntle le lithapo tsa terata tsa tšepe bakeng sa likhoele tsa ho fanyeha le likhoele tsa ho fanyeha, le li-bolts tse matla tse phahameng tsa tšepe bakeng sa bolt- libalaka tse nang le tšepe.

2. Litšobotsi tsa tšepe ea borokho

Lilemong tsa bo-1950, kaho ea borokho e ile ea fetoha ho tloha mohahong o riveted ho ea ho sebopeho se nang le litšepe. Litlhoko tsa tšepe ea borokho li fetohile haholo. Ho na le haholo-holo likarolo tse 'maloa: matla a holimo, ho ts'ehetsa hantle, ho robeha hantle le ts'ebetso ea botsofali. , Ts'ebetso e phahameng ea mokhathala o tlase, le ts'ireletso e ntle ea ts'enyeho ea sepakapaka. Ho tloha khale, tšepe ea chromium kapa nickel e ne e sebelisetsoa ho aha marokho. Kamora ho sebelisa tšepe e matla ea boleng bo tlase, matla a lihlahisoa tsa borokho a ile a ntlafatsoa hanyane ka hanyane ho tloha ho 3Mpa ho isa ho 230Mpa tensile matla le 590Mpa e tima le ho futhumatsa mofuta oa kalafo ea mocheso. Tšepe, litšepe tse ling tse sa keneleng ts'enyeho sepakapakeng le tsona li sebelisoa ho aha marokho, joalo ka SMA785 ea Japane. Corten tšepe United States, jj.

3. Tlhokahalo ea tšepe ea borokho

Ka li-1950, China e sebelisitse tšepe ea 345Mpa CXЛ-1 ho aha Borokho ba Noka ea Wuhan Yangtze. Lilemong tsa bo-1960 le bo-1980, borokho ba Nanjing Yangtze le marokho a mang a neng a entsoe ka bolt ha e le hantle a ne a hahiloe ka matla a tšoanang a tšepe ea 16Mnq. Ka lekhetlo la pele moleng, tšepe ea 440Mpa grade 15MnVNq e sebelisitsoe ho aha Bridge Bridge ea Jiujiang Yangtze. Ts'ebeliso ea tšepe ea tšepe e nyane le e laoloang e butse leqephe le lecha borokho ba sejoale-joale ba China. Tšepe ea StE355 e sebelisetsoa marokho a Nanpu, Yangpu le Xupu Nokeng ea Huangpu e Shanghai, 'me tšepe ea 14MnNbq e sebelisetsoa Borokho ba Noka ea Wuhu Yangtze, Wuhan Yangtze River Bridge le Borokho ba Bobeli ba Nanjing Yangtze.

Kaho ea selemo le selemo ea litsela tse akaretsang Chaena ke 8500Km 'me litsela tse kholo ke 1300Km. Ho na le marokho a 8 a 'mila o moholo o nang le sebaka se le seng se fetang 400m. Mabapi le kaho ea literene, ho kenyeletsoa tsela ea bochabela-bophirima, tsela ea bophirima-boroa le merero ea literene ea machabeng, kakaretso ea li-kilometara tse fetang 10,000 e tla hahuoa le ho hahuoa bocha. Ke kaho ea borokho feela moleng e hlokang lithane tse 150,000 tsa tšepe ea borokho. Ho hakanngoa hore nakong ea 2001-2005, tlhoko ea lipoleiti tsa tšepe bakeng sa marokho e tla ba lipakeng tsa lithane tse 230,000 le 250,000.

4. Lintlha tsa mahlale tsa tlhahiso ea tšepe bakeng sa marokho

Tšepe ea borokho e khetholloa lipakeng tsa tšepe e futhumatsang le e sa futhumetseng, 'me tšepe e sa futhumetseng ke mofuta o ka sehloohong. Mekhoa e tloaelehileng ea tšepe ke 16Mnq, 15MnVNq, 14MnNbq, SM490. SM520, SM590B, C, ASTMA709, STE355, STE380, STE420, jj. Ho latela mokhoa oa nts'etsopele ea lits'ebetso tsa lapeng, 14MnNbq e sebelisoa haholo bakeng sa marokho a seporo, mme STE355 e sebelisoa haholo bakeng sa marokho a ho fanyeha le marokho a lutseng ka mehala. Limaraka tsena ka bobeli ke tsa tšepe e nang le Nb e nang le ts'ebeliso e nyane.

Ho sa tsotelehe sesebelisoa sa ho fetolela kapa sa ho thunya sebōpi sa motlakase, ho hloekisa kantle ho sebopi hoa hlokahala, 'me litlhokahalo tsa bohloeki ha li holimo haholo, empa hoa hlokahala ho netefatsa hore -0.010% S. -0.02% P.

Mabapi le ts'ebetso, ho hlokahala liphetoho tse nyane tse fapaneng. Nb-Ti composite microalloying (14MnNbq) le Nb-V- (Mo) e kopantsoeng ka bongata ha e khone feela ho fihlella matla a ho monya matla a 120- 160J le mocheso oa polasetiki oa zero o tlase ho -45 ℃, empa hape le ts'ebetso e ntle ea ho thibela botsofe e bohlokoa haholo bakeng sa tšepe ea borokho.

Tlhahiso ea mahlale a tšepe bakeng sa kaho ea tšepe e phahameng

1. Tšepe bakeng sa meaho e phahameng ea tšepe

Ho tloha lilemong tsa bo-1950, meaho e phahameng e fetohile mokhoa oa machabeng oa nts'etsopele ea meralo ea litoropo. Likhoutu tsa China tsa kaho le tsona lia ntlafala, haholo-holo ho tloha phetohong le ho buloeng, meaho e phahameng e se e le letšoao la sejoale-joale sa litoropo, ho tloha mehahong ea konkreite e matlafalitsoeng, meaho ea lebasetere ea tšepe e matlafalitsoeng, le ho fetohela mehahong ea tšepe. Meaho ea moaho oa tšepe e sebelisa lipoleiti le lifaele tse ikhethileng tsa tšepe. Ka lebaka la ho khetheha ha litlhoko tsa tekheniki le lits'ebetso tsa tlhahiso, ho thehoa tšepe e fapaneng e ikhethang, e kopaneng e bitsoang tšepe bakeng sa meaho e phahameng ea tšepe.

2. Boemo ba maemo a phahameng a tšepe China

Meaho ea sejoale-joale e phahameng ea litšepe bakeng sa ts'ebeliso ea sechaba Chaena e qalile ka 1985, mme meaho e ka bang 30 e se e hahiloe kapa e ntse e hahuoa. Meaho e phethetsoeng ea Shenzhen Diwang Building e nang le bolelele ba 294.1m le Shanghai Jinmao Building e nang le bolelele ba 365m ke meaho ea hajoale e phahameng ea tšepe Chaena. Moaho o hahehileng ka ho fetesisa, ts'ebeliso ea tšepe kaofela ke lithane tse 12,000 le lithane tse 14,000 ka tatellano.

Pele ho 1976 Profinseng ea Taiwan ea China, bophahamo ba meaho bakeng sa ts'ebeliso ea bolulo e ne e se ho feta 20m. Ka 1977, bophahamo bo ile ba nolofatsoa ho ea ho 200m. Kamora lilemo tse 71, tšepe e sa keneng ts'isinyeho ea lefatše le sebopeho sa maballo a kopaneng se ile sa amoheloa, mme meaho e 16 e phethetsoe ho fihlela joale. Kaho ea Bophelo ea Shin Kong e Toropong ea Taipei e hahiloe ka 1990 ka mekato e 50 mme e sebelisitse lithane tse 20,000 1993 tsa tšepe. Kaohsiung International Plaza e phethetsoe ka 85 ka mekato e 58,000 'me ea sebelisa lithane tse XNUMX tsa tšepe.

3. Litlhoko tsa mantlha tsa tekheniki bakeng sa sebopeho sa tšepe

• Buildings Meaho ea moaho e phahameng e tlas'a matla a rarahaneng, a hlokang polokeho le ts'epahalo, hape a khona ho mamella likoluoa ​​tsa tšohanyetso (joalo ka metsi, mollo, ts'isinyeho ea lefatše, sefefo, jj.). Ka hona, ho tlatselletsa le matla a lekaneng a lihlahisoa le matla a ho tenyetseha, ho hlokahala hape hore ho be le sekhahla se tlase sa lihlahisoa, bokhoni bo botle ba ho holofala ha serame le mosebetsi o phahameng oa polasetiki, e le hore ho se ke ha e-ba le ho robeha hanghang molemong oa ho se tsitse hoa tlholeho ha lehae.
• ② na weldability ntle
• Tough Bothata bo botle ba ho robeha ha mmele
• Steel Tšepe e sebelisetsoang ho tjheseletsa le ho hokahanya manonyeletso a molumo oa kholomo ka botenya bo fetang ba 40mm e hloka khanyetso ea laminar

4. Lintlha tsa bohlokoa tsa tšepe bakeng sa moaho oa tšepe e phahameng

Tlhahiso ea mofuta ona o khethehileng oa tšepe Chaena e qalile morao haholo. Hajoale, Wugang le Pudong Iron le Steel li thehile metheo ea tlhahiso ea poleiti le metheo ea tlhahiso ea tšepe e nang le H e ipapisitse le Maanshan Iron le Steel le Anshan Iron le Steel. Limaraka tse kholo tsa tšepe ke Q345B, Q345B-Z8 .5, SM400B, SM490B, SM490B-Z25, le ASTMA572 / A572M Gr50, jj.

• ① Wugang e amohela ts'ebetso ea ho qhibilihisa sebōpi sa motlakase o matla o phahameng haholo-LF / VD kantle ho ts'ebetso ea ho hloekisa kapa ho shoa kalafo ea mocheso oa mocheso oa 4200. Lihlahisoa li sebelisoa Tianjin Yunding Building, Shanghai Information Hub Building, Dalian Yunshan Building, Xiamen International Convention le Exhibition Center.
• Ug Pugang e amohela ts'ebetso ea mahlale a Baosteel TDS tšepe e chesang pele ho desulfurization-converter smelting-cas-OB / RH-OB e hloekisang e tsoelang pele ho lahla li-billet tsa tšepe ka leloala le bilikang la fektheri e tsamaeang habeli ea mocheso oa mocheso oa feme. Lihlahisoa le tsona li sebelisitsoe ka katleho ho aheng Dalian Ocean Building, Shenzhen World Trade Building, Tianjin International Trade Building le Changchun Everbright Bank.
• Iron Maanshan Iron & Steel: H e entsoe ka tšepe e bōpehileng joaloka H e sebelisa mekotla ea tšepe e entsoeng ka tšepe ea H e tsoang Jeremane le United States. E na le degree e phahameng ea automation. Matla a moralo oa Maanshan Iron le Steel, Anshan Iron le Steel le Laiwu Iron le Steel ke lithane tse limilione tse 1.4. E ka hlahisa lihlahisoa tse 100-700mm. Hajoale, letoto le moqotetsane la flange le bophahamo ba mpa bo fetang 700mm le letoto le pharaletseng le bophara ba flange bo fetang 400mm le ke ke la hlahisoa. Lintlha tsena li sebelisoa borokhong ba seporo le lipolaneteng tsa oli tse ka mose ho maoatle ka bongata bo phahameng.

5. Litlhoko tse khethehileng bakeng sa tšepe ea kaho

• ① Mohaho o phahameng oa tšepe o na le tšebetso ea mojaro oa moea, mme sebaka sa phalliso lipakeng tsa fuluru ke 1/400, e ka bang habeli ea sebopeho sa konkreite e matlafalitsoeng. Tlas'a ts'isinyeho ea ts'isinyeho ea lefatše, sebaka sa phalliso lipakeng tsa fatše ke 1/250, e ka bang habeli moaho oa konkreite e matlafalitsoeng. Nka mohlala oa kaho ea lichelete tsa Shanghai Pudong, moea o tsamaisang moea ke 1/533, mme sebaka sa ts'isinyeho ea ts'isinyeho ea lefatše ea Beijing China International Trade Center ke 1/266.
• ② Matla a lihlahisoa tsa tšepe ea kaho ka kakaretso e tsitsitse ka tlase ho 3000C. Ho 500 ° C le 600 ° C, matla a kotulo ke 0.48 le 0.27% ka mocheso oa kamore, ka ho latellana. Ho bohlokoa haholo ho ntlafatsa ts'ireletso ea tšepe ea tšepe, e bolokang basebetsi le e bolokang lintho tse ngata ho feta ts'ebeliso ea liaparo tse thibelang mollo le ho eketsoa ha mochini o bolokang mollo, o eketsang sebaka se sebetsang sa ts'ebeliso. moaho le ho fokotsa tšilafalo ea tikoloho. Japane le United States li behile litlhokahalo tsa li-index bakeng sa tšepe e sa sebetseng, 'me matla a lihlahisoa a feta 2/3 ho mocheso oa kamore pele ho lihora tse 1-3 ho 600 ° C. Boiphihlelo bo teng bo bonts'a tšepe e nang le sebopeho sa acicular ferrite le benzal e na le botsitso bo matla ba mocheso o phahameng. Ho eketsa Mo, Mo-Nb le ho fokotsa Mn ho ka ntlafatsa katleho ho hanela mollo.
• ③ Sebelisa bophara ba tšepe ea tšepe e hahiloeng ka tšepe

Production theknoloji ea tšepe likoloi

Indasteri ea tlhahiso ea likoloi ke letšoao la matla a naha a akaretsang. Ntlafatsa ka matla tlhahiso ea makoloi a China mme o thathamise indasteri ea tlhahiso ea likoloi joalo ka indasteri e tšehetsang ke e 'ngoe ea lipheo tsa nts'etsopele ea moruo oa China ho tloha "Morong oa Borobeli oa Lilemo Tse Hlano". Ho reriloe hore ka 2000, kakaretso ea likoloi e tla ba limilione tse 2.7, 'me palo ea inshorense ea makoloi e tla fihlela limilione tse 2210-23.2. Ka 2010, e tla ba limilione tse 6 le 44-50, ka ho latellana. Tsela ea ho hlokomela ho sebelisoa ha tšepe ea likoloi le ho ntlafatsa boleng ba tšepe ea koloi e fetohile taba ea bohlokoa.

1. Likoloi tsa Likoloi

Ho etsa likoloi ho sebelisa thepa ea tšepe le tšepe. Ka kakaretso, tšepe ea koloi e bua ka mekhahlelo e meraro:

• ① Tšepe bakeng sa libalaka tsa likoloi
• ② Tšepe bakeng sa mabili koloi phikolosetsa
• ③ Tapa lakane tšepe

Mefuta eohle ea literaka e sebelisa lipoleiti tsa tšepe tse matla haholo ho etsa maballo a bolelele ba nako, li-crossbeams le li-bumpers tsa chassis; Rimi le li-spokes tsa mabili ka kakaretso li sebelisa lipoleiti tse chesang tse chesang, 'me tlhahiso ea likoloi ke pampiri e phuthoang haholo e batang kapa e chesang,' me lipompo tse tšesaane tse chesang li ikarabella bakeng sa karolo e kholo. Nts'etsopele ea hajoale ea likoloi tse khanyang e hloka lipoleiti tse matla tse huloang ka matla a holimo, ha likoloi tse phahameng li hloka lipoleiti tsa tšepe tsa IF ha li na menoana. Letoto la likoloi tsa temo li hloka lipoleiti tsa tšepe tse tšoarellang, 'me boemo ba matla le ho nepahala ha se lipheo tsa mantlha.

2. Litlhoko tsa mantlha bakeng sa liphanele tsa likoloi

Ntle le matla a hlokahalang le polasetiki ea polasetiki bakeng sa thepa ea moaho, ho hlokahala hape ho kopana le:

• Form Sebopeho se setle, se ka hatisoa 'me sa thehoa, se sa keneng ka wrinkle ebile se manganga,
• Rig Ts'ebetso e ntle ea ts'ebetso le anti-sag, e ka monyang matla ho isa bohōleng ba ho thulana.
• ③ Good ts'enyeho hanyetsa. Bakeng sa likoloi, ho hlokahala hore ho se ke ha e-ba le mafome bakeng sa lilemo tse 5 ebile ha ho na litšila bakeng sa lilemo tse 10.
• Weld Weldability e ntle ho netefatsa ts'ebeliso e nepahetseng ea marang-rang le kopano.
• ⑤ Sprayability e ntle le sephutheloana se setle ho mokato oa ho roala.
• Accuracy Ho nepahala ka mokhoa o phahameng le boleng ba bokaholimo. Ke tlhoko ea likhoele tsa tlhahiso e ikemetseng le tlhoko ea likoloi tsa boleng bo holimo.

3. Tšepe bakeng sa likoloi tse tloaelehileng

Likoloi hangata li sebelisa lipoleiti tsa tšepe tse koahetsoeng ka mocheso o chesang, lipoleiti tsa tšepe tse nang le matla a phahameng, maqephe a chesang a chesang, maqephe a batang a batang, maqephe a chesang a chesang, li-sheet tsa galvanized, maqephe a aluminium a tlotsitsoeng, maqephe a tlotsitsoeng ka chrome, maqephe a koahetsoeng ka 'mala le maqephe a tšepe a sa hloekang.

Mokhoa oa hajoale oa nts'etsopele oa mefuta ea maqephe a likoloi o maemong a mane:

• ① Bakeng sa lipoleiti tse tšesaane tse tebileng haholo le tse tebileng haholo, moloko oa boraro oa tšepe e kenang haholo ke tlhahiso ea tšepe ea atomiki e se nang motlakase.
• To Bakeng sa ho fihlela sebopeho se setle sa litempe, tlhahiso ea lisebelisoa tsohle tse phehiloeng tse thata ka thata, ho hanyetsa meno le ho hanela ts'enyeho.
• ③ Production ya lakane galvanized le alloying kalafo ho ntlafatsa ho hanyetsa ts'enyeho.
• ④ Tlhahiso ea likhalase tsa seipone se nang le khanya e phahameng e ntlafatsa ho bata, ho bonahatsa le ho kopanya likarolo tsa likoloi.

4. Lintlha tsa mahlale a tlhahiso ea poleiti ea makoloi

Nka ho hatakela kapa ho etsa lakane ea likoloi e le mohlala:

• ① Kakaretso ea S, P, N, O, le H e ka tlase ho 100ppm ka theknoloji ea ts'ebetso ea tšepe e chesang ea tšepe, tšepe e setseng le lesela
• Carbon Carbon e tlase kapa k'habone e tlase haholo, theknoloji e kopantsoeng ea ho foka le theknoloji ea letsi e ka etsa hore k'habone e be le tšepe e ka tlase ho 10ppm
• ③ Likahare tsa likaroloana tse nyane li laoloa kahare ho 0.02%.
• Order Bakeng sa ho netefatsa ts'ebetso e phethahetseng e phethahetseng ea lipoleiti tsa tšepe tse nang le matla a maholo, ho nkuoa mohato o fapaneng oa ho futhumatsa ka likhoka ha maemo a lumela.
• Ela hloko ts'ebetso ea ho kenyelletsa maqephe a batang a batang ho fihlela boleng bo tšoanang ba thepa ea mochini.

Production theknoloji ea setshelo tšepe

1. Lintlha tse ka sehloohong tsa tšepe ea setshelo

Lipalangoang tsa setshelo ke mokhoa o ka sehloohong oa sejoale-joale oa lipalangoang lefatšeng kajeno. Ka khoebo e sebetsang ea machabeng, nts'etsopele ea lipalangoang tsa mefuta e mengata, le puisano ea marokho a mobu, nts'etsopele ea lipalangoang tsa lisebelisoa e ntse e ba bohlokoa le ho feta. Litholoana tse hlahisitsoeng ka 40 e bile tsa pele lefats'eng, 'me lihlahisoa tsa 1993 e bile li-TEU tse milione. E ikarabella ho 1997% ea kakaretso ea lefatše.

Lisebelisoa tsa mantlha tsa tšepe bakeng sa tlhahiso ea lijana li kenyelletsa lipoleiti tsa tšepe, li-steels tsa kanale, liphaephe tse sekoti le li-castings.

Ka 1997, Chaena e hlahisitse lithane tse limilione tse 1.1 tsa mefuta e fapaneng ea tšepe bakeng sa likhontheina, lipoleiti tsa tšepe tsa malapeng tse 300,000, le lithane tse 400,000 tsa lipoleiti tsa tšepe tse tsoang kantle ho naha. Lilemong tsa morao tjena, Baosteel le Wuhan Iron le Steel ba hlahisitse letoto la lipoleiti tsa tšepe tse sa keneng moeeng le lipoleiti tsa tšepe tse sa keneng moeeng. Sekhahla sa ho itšepa sa lipoleiti tsa tšepe se fihlile ho 75% bakeng sa mabokose a Corten le mabokose a seka-Corten. Ka nts'etsopele ea mabokose a sehatsetsi a theknoloji e phahameng, boleng bo holimo, mabokose a koahelang metsi, mabokose a litanka, mabokose a sephara a sarolohang, jj.

2. Litlhoko tsa mahlale bakeng sa tlhahiso ea tšepe ea setshelo

Ho na le litlhokahalo tse tharo tsa mantlha bakeng sa liphanele tsa setshelo:

• Properties Mefuta e lekaneng ea anti-sag le anti-senya.
• Ho hlokahala ts'ireletso e ntle ea ts'enyeho, haholoholo ts'ireletso ea ts'oaetso ea leoatle.
• Ts'ebetso e ntle ea ts'ebetso e hloka ho ts'oaroa le ho ba bonolo.

Lebaka la ts'ebeliso e atileng ea tšepe ea Corten ke hore matla a kotulo a phahame ka 40% ho feta a tšepe ea khabone, e ka mamella tšusumetso e kholo, ha e hlahe e le meno le mengoapo, hape e na le khokahano e ntle ea pente. Tšepe ea Bare Corten e ke ke ea senya leoatle nako e telele.

Baosteel e hlahisitse lithane tse fetang 300,000 tsa tšepe bakeng sa lik'hontheinara ho tloha ka 1996, mme e hlahisitse mefuta e meraro ea tšepe e tloahelehileng ea moruo ea Cu-p, tšepe e phahameng ea boemo ba leholimo le tšepe e phahameng ea weldability. WISCO e hlahisitse tšepe ea leholimo bakeng sa tlhahiso ea lisebelisoa, e nang le matla a tlhahiso ea selemo le selemo ea lithane tse 300,000.

Production theknoloji ea tšepe bakeng sa mechine kaho

1. Tšepe bakeng sa mechini ea kaho

Lisebelisoa tse sebelisoang meepong le meahong e fapaneng ea boenjineri, joalo ka lisebelisoa tsa ho cheka, sebopi sa motlakase, literaka tsa ho lahla mabili a motlakase, lintho tse epollang, lisebelisoa, li-bulldozers, lisebelisoa tse fapaneng tsa ho phahamisa le litšehetso tsa haeteroliki tsa morafong oa mashala, kaofela li bitsoa mechini ea boenjineri. Lisebelisoa tsa likarolo tsa mochini oa ho tjheseletsa tse hlokoang bakeng sa tlhahiso ea mechini ena hangata ho thoe ke litšepe tsa mochini oa kaho, e leng tsa sehlopha sa litšepe tse nang le matla a phahameng. Ts'epe ea mochini oa kaho e ka kenyelletsa le li-profiles, lieta tsa pina, tšepe e sa keneleng liaparo, liropo tsa tšepe le likhoele tsa tšepe.

Ho 2000, tlhoko ea lipoleiti tsa tšepe tse matla haholo tsa mechini e fapaneng ea kaho e bonts'oa ho Tafole ea 22. Keketseho ea khakanyo ea selemo le selemo ea tlhokeho ke 12-15%. Ho hakanngoa hore ts'ebeliso e tla ba lithane tse limilione tse 1.4 le lithane tse limilione tse 2.2 ka 2005 le 2010, ka ho latellana.

2. Litlhoko tsa mahlale bakeng sa tšepe bakeng sa mechini ea kaho

Ha e le hantle ho na le mefuta e 'meli ea lipoleiti tsa tšepe bakeng sa mechini ea kaho, e' ngoe ke lipoleiti tsa tšepe tse matla haholo, 'me e' ngoe ke thatafalo e thata le lipoleiti tse sa keneng.

Bakeng sa tšepe e matlafatsang, sebopeho sa mantlha sa mochini oa kaho se tlas'a mejaro e rarahaneng le e fapaneng ea cyclic. Ka hona, tšepe e hlokahala ho ba le matla a phahameng a kotulo le moeli oa mokhathala, ho ba le tšusumetso e ntle ho thatafala, maemo a batang le ts'ebetso e ntle ea ho tjheseletsa. Ka nts'etsopele ea mechini ea kaho ka lehlakoreng la boima bo boholo le boima bo bobebe, ho boloka matla le katoloso ea bophelo lia hlokahala, kahoo matla a phahameng a tšepe a hlokahala, 'me botenya ba poleiti bo tloha ho 6mm ho isa ho 50mm, esita le ho isa ho 200mm. Lipoleiti tsa matla li fapana ho tloha ho 400Mpa ho isa ho 1200Mpa, 'me linaha tsa ts'ebeliso li kenyelletsa mefuta e fapaneng e kang ho sesa ho chesang, ho tloaela, ho tima le ho halefa.

Ho thatafala ho phahameng le tšepe e sa keneleng liaparo e sebelisoa haholo bakeng sa likarolo tsa mochini o hahang, joalo ka poleiti ea bakete ea mojaro, poleiti ea tšehetso ea teraka ea ho lahla, le meno a kharafu ea sefuba. Ho thatafala ha bokaholimo ba tšepe ho hlokahala hore ho be le maemo a fapaneng a HB235-500, ka hona litšepe tsa Sehlopha sena li atisa ho tsamaisoa maemong a timang + a timiloeng le bohale. 'Me khetha tšepe sehlopheng le sehlopheng ho ea ka thatafala ea sebele le botenya poleiti.

Mabapi le theknoloji ea tlhahiso ea tšepe bakeng sa likoloi, ea pele e kenyelletsa matla ha e ntse e ntlafatsa ho ba thata. Ka lebaka lena, likarolo tse tlase tsa khabone le tjheseletsa e lekanang le khabone li lokela ho sebelisoa ho shebana le ts'ebetso ea kalafo ea tšepe le mocheso; sehlopha sa ho qetela U se ke ua ela hloko weldability e phahameng. Ela hloko ts'ebetso e tiileng ea tharollo ea tšepe le mofuta oa sebopeho sa kristale ea mohato o thata o potlakileng le kabo ea tšepe.

3. Nts'etsopele ea tšepe bakeng sa mechini ea kaho lilemong tsa morao tjena

• Ka nchafatso ea mahlale a ho etsa tšepe le lisebelisoa, meralo e mecha ea alloy le mekhahlelo ea ts'ebetso e se e fihletsoe, joalo ka ts'ebetso e tebileng ea ts'ebetso le kalafo ea thaethaniamo, le ts'ebeliso ea letlapa le tšesaane le tsoelang pele.
• ② Ho sebelisa ts'ebeliso ea li-microalloying, kalafo ea mochini o sebetsang ka tšepe ea Nb e ts'ebelisitsoeng e ts'eelitsoe mme ea sebelisoa.
• Ts'ebeliso ea mahlale a koaletsoeng ka kotloloho kamora ho sesa ha tšepe e nang le boron e hlahisitse tšepe e matlafatsang ea 980Mpa le tšepe e sa keneng ea 1080Mpa.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Theknoloji ea Tlhahiso ea Sesebelisoa sa Microalloyed

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