Na li-Bolts tsa Kereiti ea 8.8 li Hanela Mocheso o Phahameng?
Kereiti ea 8.8 liboutu ke mofuta o sebelisoang haholo oa li-fasteners tse matla haholo, tse tsebahalang haholo mesebetsing ea kaho, ea likoloi, le ea boenjiniere ka kakaretso ka lebaka la matla a tsona a ts'epahalang le ho tšoarella nako e telele.
Litšobotsi
1. Sebopeho sa Lintho: Ka tloaelo, li-bolts tsa Grade 8.8 li entsoe ka litšepe tse tlaase tsa alloy kapa li-carbon steels tse nang le mocheso o chesang (o tima le ho halefa) ho finyella thepa e lakatsehang ea mochine.
2. Thepa ea Mechini:
- Matla a Tensile: Kereiti ea 8.8 liboutu ho ba le matla a fokolang a 800 N/mm² (800 MPa).
- Matla a Kotulo: Matla a tlhahiso, e leng ntlha eo bolt e tla qala ho holofala ka polasetiki, bonyane ke 640 N/mm² (640 MPa), e leng 80% ea matla a tensele.
- Elongation: Peresente ea bolelele hangata e ka ba 15%, e bonts'ang bokhoni ba thepa ea ho otlolla pele e robeha.
3. Moqapi oa Khoele: Liboutu tsena li latela mekhoa e tloaelehileng ea moralo oa likhoele, ho netefatsa hore li lumellana le li-fasteners le likarolo tse ling tsa sehlopha sa matla.
4. Qetello ea Bokaholimo: Ho ipapisitsoe le ts'ebeliso, liboutu tsa Kereiti ea 8.8 li ka tla ka mefuta e fapaneng ea bokaholimo, ho kenyeletsoa masela a masenke, li-zinc plating, kapa liphekolo tse ling tse thibelang kutu ho matlafatsa ho tšoarella ha tsona libakeng tse thata.
Na li-Bolts tsa Kereiti ea 8.8 li Hanela Mocheso o Phahameng?
Kereiti ea 8.8 liboutu ba na le thepa e ntle ea mochine mochesong o tloaelehileng oa tšebeliso (ka kakaretso ka tlase ho 100 ° C), empa ts'ebetso ea bona e ka ameha ha mocheso o feta moeli o itseng. Ka tloaelo, liboutu tsa Kereiti ea 8.8 li ntse li ka boloka boholo ba matla a tsona a le haufi le 150 ° C, empa matla a tsona a ka fokotseha haholo ha mocheso o phahama ho feta. Ho phaella moo, tšebeliso ea nako e telele libakeng tsa mocheso o phahameng o ka baka Creep, Oxidation kapa liketsahalo tse ling tsa ho senyeha ha thepa, e leng se amang ho tšepahala le bophelo ba tšebeletso ea liboutu. Haeba liboutu li hloka ho sebelisoa maemong a mocheso o phahameng, liboutu tse nang le limaraka tse phahameng (tse kang 10.9 kapa 12.9) hangata lia khethoa, kapa li entsoe ka ho khetheha lisebelisoa tse hanyetsanang le mocheso o phahameng joalo ka tšepe e sa keneleng mocheso, tšepe e sa hloekang kapa li-alloys tse thehiloeng ho nickel li sebelisetsoa ho etsa liboutu ho netefatsa hore li ntse li ka boloka matla le botsitso bo lekaneng mochesong o phahameng.
Ka bokhutšoanyane, liboutu tsa sehlopha sa 8.8 li na le bokhoni bo itseng ba ho mamella mocheso o phahameng, empa ha li feta mocheso oa moqapi oa tsona, ho kgothaletswa ho khetha lisebelisoa tse loketseng le limaraka tsa bolt.
MORUTI e lebisa tlhokomelo tlhahisong ea lisebelisoa tse nepahetseng tse kang Screws, Bolts, Nuts, Washers, Rivets, Thread rods, Nails, Anchors le Tools, joalo-joalo Haeba u thahasella li-fasteners tsa rona, ka kōpo ikutloe u lokolohile ho ikopanya le rona bakeng sa tlhahisoleseding e eketsehileng.
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