
Dacromet galvanized Grade 8.8 and 10.9 high - tensile B7 hex head bolts le linate li sebelisa haholo-high-power alloy steel e le thepa ea motheo.
Dacromet galvanized Grade 8.8 and 10.9 high - tensile B7 hex head bolts le linate li sebelisa haholo-high-power alloy steel e le thepa ea motheo. Lebitso la B7 le bonts'a hore thepa e kopana le litekanyetso tse ikhethileng tsa ASTM A193, tse tsebahalang haholo bakeng sa thepa ea tsona ea mochini le litlhoko tsa sebopeho sa lik'hemik'hale lits'ebetsong tse phahameng tsa khatello ea maikutlo.
Bakeng sa liboutu le linate tsa Kereiti ea 8.8, tšepe ea alloy hangata e na le likarolo tse kang khabone, manganese le silicon. Ka mor'a phekolo e nepahetseng ea mocheso, likarolo tsena li sebetsa hammoho ho finyella matla a fokolang a 800 MPa le matla a ho hlahisa 640 MPa. Sena se etsa hore li tšoanelehe bakeng sa lits'ebetso tse akaretsang - ho isa ho tse mahareng - tse boima moo ho hlokahalang ho tiisa ka mokhoa o tšepahalang tlas'a meroalo e kholo.
Ka lehlakoreng le leng, mefuta e fapaneng ea Kereiti ea 10.9 e entsoe ka tšepe ea alloy e nang le taolo e nepahetseng haholoanyane holim'a sebopeho sa lik'hemik'hale le ts'ebetso e matla ea kalafo ea mocheso. Ba ka fumana matla a fokolang a 1000 MPa le matla a ho hlahisa a 900 MPa, a ba nolofalletsang ho mamella meroalo e phahameng haholo, ho sisinyeha le khatello ea maikutlo. Kereiti ena e phahameng ea matla e sebelisoa hangata likhokahanong tse bohlokoa tsa sebopeho moo ho hloleha e seng khetho.
Karolo e hlalosang ea lihlahisoa tsena ke Dacromet galvanization. Ho roala ha Dacromet ke phekolo e khahlanong le kutu e phahameng e entsoeng haholo-holo ka li-flakes tsa zinki, li-flakes tsa aluminium, li-chromates le li-organic binders. Ha e sebelisoa holim'a liboutu le linate tsa tšepe ea alloy, e etsa filimi e teteaneng, e ts'oanang le e khomarelang e fanang ka khanyetso e phahameng ea kutu ha e bapisoa le mekhoa e tloaelehileng ea galvanization.
Mohala oa sehlahisoa oa Dacromet galvanized Grade 8.8 le 10.9 high - tensile B7 hex head bolts le linate li kenyelletsa mefuta e fapaneng e arotsoeng ka boholo, bolelele le litlhoko tse ikhethileng tsa kopo:
Mefuta e Tloaelehileng ea Metric le Imperial: E fumaneha ka mefuta e fapaneng ea metric le boholo ba borena. Tsamaisong ea metric, li-diameter tsa bolt hangata li tloha ho M6 ho isa M36, ha tsamaisong ea borena, li koahela ho tloha 1/4 "ho ea 1 - 1/2". Bolelele ba liboutu bo ka fapana ho tloha ho 20mm (kapa 3/4 ") ho ea ho 300mm (kapa 12") kapa ho feta, ho itšetlehile ka litlhoko tsa sebele tsa merero e fapaneng. Mefuta e tloaelehileng e latela litekanyetso tse amehang tsa machaba le tsa naha bakeng sa liboutu tsa hlooho tsa hex le linate, ho netefatsa hore li tsamaellana le li-wrenches tse tloaelehileng, li-sockets le lisebelisoa tse ling tsa ho tiisa.
Holimo - Mojaro - Meetso e Ikhethileng ea Bokhoni: Bakeng sa lits'ebetso tse boima tsa indasteri, merero ea kaho e kholo, le lits'ebetso tsa mantlha tsa ts'ebetso, ho fanoa ka mefuta e khethehileng ea mejaro. Hangata liboutu tsena le linate li na le li-diameter tse kholoanyane le lihlooho tse teteaneng tsa hex ho sebetsana le matla a maholo a ho tsitsa le ho kuta. Li etselitsoe ho sebelisoa lits'ebetsong tse kang ho kopanya mechini e boima, kaho ea borokho, le meralo ea meaho e phahameng, moo bokhoni ba ho mamella meroalo e boima e leng bohlokoa.
Corrosion - Mehlala e Matlafalitsoeng e Hanyetsang: Ntle le mokhoa o tloaelehileng oa Dacromet galvanization, mefuta e meng e ka 'na ea fumana phekolo e eketsehileng ea anti-corrosion kapa ea sebelisa mekhoa e tsoetseng pele ea ho roala ha Dacromet. Meetso ena e matlafalitsoeng e hanyetsanang le kutu e etselitsoe maemo a thata haholo, joalo ka sethala sa maoatle, limela tsa lik'hemik'hale, le libaka tse nang le tšilafalo e phahameng ea moea le mongobo. Li ka fana ka tšireletso e atolositsoeng khahlano le kutu e matla, ho netefatsa ts'epo ea nako e telele ea sistimi ea ho tiisa.
Tlhahiso ea Dacromet galvanized Grade 8.8 le 10.9 high - tensile B7 hex head bolts le linate li kenyelletsa mehato e mengata e nepahetseng le mekhoa e tiileng ea ho laola boleng:
Tokisetso ea Lintho: Lisebelisoa tse tala tsa boleng bo phahameng ba alloy li fumanoa ka hloko ho finyella litlhoko tsa ASTM A193 B7 le sehlopha se khethehileng sa matla (Grade 8.8 kapa 10.9). Litlhahlobo tse matla li etsoa mabapi le sebopeho sa lik'hemik'hale, thepa ea mochini, le boleng ba holim'a tšepe. Litšepe kapa lithupa li khaoloa ka bolelele bo loketseng ho ea ka boholo bo boletsoeng ba liboutu le linate.
Ho theha: Tšepe ea alloy e entsoe ka sebopeho sa hlooho ea hex le shank (bakeng sa liboutu) kapa sebopeho sa hex nut ka mekhoa e batang ea sehlooho kapa e chesang. Cold - heading e atisa ho sebelisoa bakeng sa liboutu le linate tse nyane, tse sebetsang hantle bakeng sa tlhahiso ea bongata 'me li ka etsa sebopeho ka nepo ha li ntse li boloka ho nepahala ha dimensional. Hot - forging e sebelisoa ho tse khōloanyane - bophara kapa phahameng - matla liboutu le linate, moo tšepe e halefile ho boemo bo bonolo 'me joale e bōpehileng tlas'a khatello e phahameng ho finyella matla a hlokahalang le litekanyo tse nepahetseng.
Khoele: Kamora ho theha, liboutu li kena ts'ebetsong ea likhoele. Ho roala likhoele ke mokhoa o ratoang kaha o etsa khoele e matla ka ho bata - ho sebetsa tšepe, ho ntlafatsa ho hanyetsa mokhathala oa liboutu. Lisebelisoa tse khethehileng tsa likhoele li sebelisoa ho etsa bonnete ba hore sekontiri sa khoele, boemo le boholo li kopana le litekanyetso tse nepahetseng, ho netefatsa ho lumellana hantle le linate. Bakeng sa linate, likhoele tsa ka hare li khaola ka hloko kapa li thehoa ho netefatsa hore li lumellana hantle le liboutu tse lumellanang.
Kalafo ea Mocheso: Ho finyella se lakatsehang Kereiti ea 8.8 kapa 10.9 thepa ea mechine, li-bolts tse entsoeng le linate li tlas'a letoto la mekhoa ea phekolo ea mocheso. Hangata sena se kenyelletsa annealing ho nolofatsa tšepe le ho felisa khatello ea maikutlo, ho tima ho eketsa boima le matla, le ho futhumatsa ho lokisa bothata le ho tiea ho isa boemong bo nepahetseng. Ts'ebetso ea kalafo ea mocheso e laoloa ka nepo ho netefatsa hore liboutu le linate li fihlela litlhoko tse tiileng tsa matla le ts'ebetso ea limaraka tse fapaneng.
Kopo ea ho roala ka Dacromet: Ntlha ea pele, liboutu le linate li hloekisoa ka ho feletseng ho tlosa litšila, oli kapa sekala holim'a metsi. Ka mor'a moo, li qoelisoa ka har'a tharollo ea Dacromet kapa li koahetsoe ka ho fafatsa, e leng ho arolelana tharollo e nang le li-zinc flakes, aluminium flakes, chromates le li-binders holim'a tsona. Ka mor'a ho roala, likaroloana li phekoloa ka mocheso o phahameng (hangata ho pota 300 ° C). Nakong ea ts'ebetso ea ho folisa, likarolo tsa tharollo ea Dacromet li arabela ho theha lesela le letenya, le nang le kutu - le hanyetsanang le ho khomarela ka mokhoa o babatsehang ho substrate ea tšepe ea alloy.
Kopano le Tlhahlobo ea Boleng: Li-bolts li kopantsoe le linate tse lumellanang. Sehlopha se seng le se seng sa lihlahisoa se tlas'a tlhahlobo e tiileng ea boleng. Ho hlahlojoa ka mokhoa o lekaneng ho etsa bonnete ba hore bophara, bolelele, litlhaloso tsa khoele, le boholo ba hlooho ea liboutu le linate li finyella litekanyetso. Liteko tsa mochini, joalo ka matla a thata, mojaro oa bopaki le torque - liteko tsa tsitsipano, li etsoa ho netefatsa mojaro - bokhoni ba ho jara le ts'ebetso ea lipara tsa bolt - linate. Litlhahlobo tse bonoang li boetse li etsoa ho hlahloba bofokoli bo holim'a metsi, tšireletso e nepahetseng ea Dacromet, le ho se lumellane le litlhoko tsa ponahalo. Ke lihlahisoa tse fetang liteko tsohle tsa boleng feela tse lumelletsoeng ho paka le ho tsamaisoa.
Phekolo ea holim'a Dacromet galvanization ke ntlha ea bohlokoa ts'ebetsong e phahameng ea liboutu le linate tsena:
Pele ho kalafo: Pele ho roala ha Dacromet, li-bolts le linate li tšoaroa esale pele ho etsa bonnete ba ho khomarela hantle ha seaparo. Ts'ebetso ena ea pele ho kalafo e qala ka ho hloekisoa, moo likarolo li hloekisoang ka li-solvents kapa litharollo tsa alkaline ho tlosa oli, mafura le litšila tse ling tsa manyolo. Ka mor'a moo, pickling e etsoa ho sebelisoa tharollo ea asiti ho tlosa mafome, sekala le litšila tse tsoang holimo. Ka mor'a ho khetha, liboutu le linate li hlatsuoa ka botlalo ho felisa masala a acid, 'me qetellong, li omisitsoe ho itokisetsa ho roala Dacromet.
Mokhoa oa ho roala ka Dacromet: Haholo-holo ho na le mekhoa e 'meli ea ho sebelisa seaparo sa Dacromet: ho qoelisoa le ho fafatsa. Mokhoa oa ho qoelisoa, li-bolts le linate tse entsoeng pele li qoelisoa ka ho feletseng ka tharollo ea Dacromet, e leng ho lumellang hore tharollo e koahele ka ho feletseng holim'a metsi. Ka mokhoa oa ho fafatsa, tharollo ea Dacromet e fafatsoa ka ho lekana holim'a metsi ho sebelisa lisebelisoa tsa ho fafatsa. Ka mor'a ho roala, likarolo li kenngoa ka ontong bakeng sa ho phekola. Nakong ea ts'ebetso ea ho folisa, metsi a tharollo ea Dacromet a fetoha mouoane, 'me li-zinc flakes, li-aluminium flakes, li-chromates le li-binders li itšoara ka lik'hemik'hale ho etsa seaparo se tsitsitseng, se teteaneng le se tsitsitseng se nang le botenya bo ka bang 5 - 15 microns.
Kalafo ea poso: Maemong a mang, phekolo ea poso e ka etsoa ka mor'a ho roala ha Dacromet. Sena se ka kenyelletsa phekolo ea passivation ka lik'hemik'hale tse khethehileng ho ntlafatsa ho hanyetsa ha kutu ea ho roala, kapa ho sebelisa topcoat ho ntlafatsa ho hanyetsa abrasion le ponahalo ea bokaholimo. Kalafo ea poso e thusa ho ntlafatsa ts'ebetso ea Dacromet - liboutu tse koahetsoeng le linate le ho li ikamahanya le litlhoko tse fapaneng tsa kopo.
Dacromet galvanized Grade 8.8 le 10.9 high - tensile B7 hex head bolts le linate li sebelisoa haholo makaleng a fapaneng a bohlokoa a boenjiniere le kaho:
Kaho le Kaho: Mererong e meholo ea kaho, haholo-holo meaho e phahameng haholo, marokho le limela tsa indasteri, lipara tsena tsa bolt - nut li sebelisoa bakeng sa ho hokahanya maballo a tšepe, litšiea le litšepe. Matla a bona a phahameng a tiisa botsitso le mojaro - ho jara bokhoni ba mohaho oa mohaho, ha Dacromet galvanization e fana ka tšireletso ea nako e telele khahlanong le ho bola, esita le libakeng tse ka ntle tse pepesehileng sepakapaka, pula le maemo a mang a leholimo.
Mechini e boima le Tlhahiso ea Thepa: Ha ho etsoa mechini e boima, joalo ka thepa ea kaho, mechini ea merafo, le mechini ea temo, liboutu le linate tsena tse matla haholo li bohlokoa bakeng sa ho kopanya likarolo tsa bohlokoa. Li khona ho mamella meroalo e boima, ho thothomela le ho thothomela ho hlahisoang nakong ea ts'ebetso ea mochini. Tšireletso e ntle ea kutu ea ho roala ha Dacromet e boetse e sireletsa liboutu le linate ho tloha maemong a thata a ho sebetsa, joalo ka ho pepesehela litšila, mongobo le lik'hemik'hale.
Liindasteri tsa Likoloi le tsa Aerospace: Lefapheng la likoloi, liboutu le linate tsa Kereiti ea 8.8 le 10.9 li sebelisoa ho kopanya enjine, kaho ea chassis le lits'ebetso tsa ho emisa. Liboutu tsa boemo bo phahameng ba 10.9 - li bohlokoa bakeng sa ho boloka likarolo tsa enjene le ho netefatsa ts'ebetso ea koloi le polokeho tlasa maemo a fapaneng a ho khanna. Lefapheng la lifofane, moo ho hlokahalang litekanyetso tse thata tsa boleng le ts'ebetso, liboutu tsena le linate li sebelisoa bakeng sa ho kopanya likarolo tsa sefofane. Ho etsa lintho ka nepo, matla a phahameng, le ho ts'oana ha kutu e tšepahalang li bohlokoa bakeng sa polokeho le ts'ebetso ea lifofane.
Phaliso ea Matla le Matla: Litsing tsa ho fehla motlakase, ho kenyeletsoa lisebelisoa tsa motlakase tse futhumatsang, tsa nyutlelie le tse tsosolositsoeng, lipara tsena tsa bolt - nut li sebelisetsoa ho tiisa thepa, lipeipi le likarolo tsa sebopeho. Li khona ho mamella mocheso o phahameng, likhatello, le likhatello tsa mochini tse teng tikolohong ea tlhahiso ea matla. Ho roala ha Dacromet ho sireletsa liboutu le linate ho tsoa ho kutu e bakoang ke mouoane, lik'hemik'hale le lintho tse ling, ho netefatsa ts'ebetso e tšepahalang ea nako e telele ea lisebelisoa tsa tlhahiso ea matla.
Offshore and Marine Engineering: Bakeng sa lipolanete, likepe, le likepe tsa leoatle, moo ho pepesehela metsi a letsoai, mongobo o phahameng, le tikoloho e thata ea maoatle e lulang e le teng, liboutu tsena le linate li bohlokoa haholo. Motsoako oa tšepe ea alloy e phahameng - matla a alloy le Dacromet galvanization e li nolofalletsa ho mamella litlamorao tse senyang tsa metsi a leoatle, ho thibela ho hloleha ha sebopeho ka lebaka la ho bola. Li sebelisetsoa ho tiisa likarolo tse fapaneng tsa leoatle, ho netefatsa polokeho le ho tšoarella ha meaho e ka thoko le ea leoatle.
Matla a Phahameng ka ho Fetisisa: Ka litekanyetso tsa matla tsa Kereiti ea 8.8 le 10.9, liboutu tsena le linate li fana ka matla a ikhethang le ho fana ka matla. Ba ka hokela ka tieo likarolo tsa meralo le ho mamella meroalo e boima, ho thothomela le matla a ho kuta, ho netefatsa botsitso le polokeho ea meaho ea boenjiniere lits'ebetsong tse fapaneng tse hlokang.
Khanyetso e Phahameng ea Corrosion: The Dacromet galvanization e fana ka khanyetso e ntle ea kutu, e fetang hole ea mekhoa ea setso ea galvanization. Sebopeho se ikhethileng sa ho roala ha Dacromet se etsa filimi e ts'ireletso e teteaneng e khethollang ka katleho tšepe ea motheo ho tloha tikolohong e senyang. E ka hanela khoholeho ea mobu, letsoai, lik'hemik'hale le lintho tse ling tse senyang, ho eketsa haholo bophelo ba tšebeletso ea liboutu le linate ha li bapisoa le lihlahisoa tse tloaelehileng. Sena se etsa hore li tšoanelehe ka ho khetheha bakeng sa ho sebelisoa libakeng tse thata moo kutu e leng bothata bo boholo.
Tšepahala le Sireletsehile Fastening: Moqapi oa hlooho ea hex ea li-bolts le linate tse lumellanang li fana ka mokhoa o ka tšeptjoang le o sireletsehileng oa ho tiisa. Sebopeho sa hexagonal se lumella ho tiisa habonolo le ho hlephisa ka li-wrenches kapa li-sockets, 'me moralo o nepahetseng oa khoele o tiisa ho lekana ka thata, ho khona ho mamella mefuta e fapaneng ea meroalo ea mechine. Motsoako oa lisebelisoa tse phahameng - matla le ts'ebetso e nepahetseng ea khoele e tiisa hore ho tiisa ho lula ho sireletsehile esita le tlas'a maemo a feteletseng.
Tumellano e Ntle le Boemo: Liboutu tsena le linate li lumellana le litekanyetso tse amehang tsa machaba le tsa naha, ho netefatsa tšebelisano e ntle ho pholletsa le merero le liindasteri tse fapaneng. Litekanyo tse tloaelehileng le litlhaloso tsa likhoele li lumella hore ho be bonolo ho nkela sebaka le ho fapanyetsana, ho nolofatsa mokhoa oa ho reka, ho kenya le ho lokisa. Tekanyetso ena e boetse e fokotsa kotsi ea liphoso ha e kopana 'me e ntlafatsa katleho ea morero ka kakaretso.
Nako e telele - Ts'ebetso e tsitsitseng ea nako: Ka mekhoa e thata ea tlhahiso, phekolo e nepahetseng ea mocheso, le ho roala ha Dacromet ea boleng bo phahameng, liboutu tsena le linate li boloka ts'ebetso e tsitsitseng ea mechine le e khahlanong le kutu ka nako e telele. Li ka sebetsa ka botšepehi tlas'a maemo a fapaneng a rarahaneng a ts'ebetso ntle le ho senyeha ho hoholo ha ts'ebetso, ho fokotsa litšenyehelo tsa tlhokomelo le ho fokotsa kotsi ea ho hlōleha ho sa lebelloang. Botsitso bona ba nako e telele bo bohlokoa bakeng sa ho netefatsa ts'ebetso e tsoelang pele ea meaho le lisebelisoa tsa bohlokoa.
Ho baballa tikoloho: Ha ho bapisoa le liphekolo tse ling tsa setso tse thibelang kutu tse ka hlahisang lintho tse kotsi, mokhoa oa ho roala oa Dacromet o batla o le botsoalle tikolohong. E na le lihlahisoa tse fokolang tsa tšepe 'me ha e hlahise litšila tse ngata nakong ea ts'ebetso ea tlhahiso, e finyella litlhoko tsa kaho ea morao-rao ea boenjiniere bakeng sa tšireletso ea tikoloho ha e ntse e fana ka ts'ireletso ea ts'ebetso e phahameng ea ts'ebetso.