Li-fasteners tse nang le likhoele e ntse e le e 'ngoe ea liqapi tsa bohlokoa ka ho fetisisa tsa batho ho tloha ha li sibolloa lilemong tse fetang 2,400 tse fetileng. Ho tloha ha Archytas ea Tarentum e qalile theknoloji ea ho ntlafatsa mechine ea khatiso bakeng sa oli le li-extracts mehleng ea khale, molao-motheo oa screw ka mor'a li-fasteners tse entsoeng ka likhoele o fumane bophelo bo bocha nakong ea phetoho ea indasteri 'me joale bahlahisi ba itšetlehile ka manonyeletso ana a mochine ho tšehetsa limilione tsa likopo tse fapaneng.
Lilemong tsa bo-1860, li-angle tsa pele tse tloaelehileng tsa khoele le palo-ka-inch li ile tsa lumella lik'hamphani ho sebelisa li-fasteners tse entsoeng ke feme ka mefuta eohle ea lisebelisoa le lihlahisoa. Kajeno, bahlahlobisisi ba bolela esale pele hore 'maraka oa li-fasteners oa mechini le oa indasteri o tla fihla ho $109 bilione ka 2025, o hola ka sekhahla sa kholo ea selemo le selemo (CAGR) e fetang 4% lilemong tse hlano tse tlang. Li-fasteners tsa sejoale-joale li ts'ehetsa indasteri e 'ngoe le e' ngoe ea tlhahiso ea sejoale-joale ho tloha ho lisebelisoa tsa elektroniki tsa bareki ho isa ho lisebelisoa tse thata tsa merafo le ho feta.
- Li-fasteners tse nang le likhoele li sebelisa molao-motheo oa screw ho fetola matla a tsitsipano hore e be matla a mela
- Li-fasteners tsa sejoale-joale li tšehetsa hoo e batlang e le indasteri e 'ngoe le e' ngoe, ho kenyeletsoa likarolo tsa elektroniki, sefofane, likoloi le indasteri
- Li-fasteners tse nang le likhoele li tla ka libopeho le boholo bo fapaneng, tse loketseng ts'ebeliso efe kapa efe ho kenyelletsa le meralo ea moetlo ha ho hlokahala
Ho theosa le lilemo, mefuta ea li-fastener le meralo li ile tsa tsoela pele ho fetoha, 'me joale u na le mefuta e mengata ea litharollo tseo u ka khethang ho tsona bakeng sa ts'ebeliso ea hau e ikhethileng. Ho ea ka litsebi tsa fasteners, 95% ea ho hlōleha ho etsahala ka lebaka la ho khetha sekontiri se fosahetseng kapa ka lebaka la ho kenya karolo e fosahetseng. Mesebetsi e fapaneng, likarolo tsa moralo, litlolo, le khetho ea thepa kaofela li susumetsa matla a lenonyello le boima ba moralo oa kakaretso oa sehlahisoa.
Mona ke tataiso e sebetsang ho tsohle tseo o hlokang ho li tseba mabapi le li-fasteners tsa sejoale-joale le lits'ebetso tsa tsona.
Tlhaloso ea sekoahelo se khoele ke sesebelisoa se sebelisang 'mila o pota-potileng o pota-potiloeng ho tsoa ho cylindrical shaft ho kopanya likarolo tse peli kapa ho feta tsa thepa hammoho. Khoele kapa spiral ramp e fetola matla a potolohang (kapa torque) ka har'a lenonyeletso le khonang ho boloka tsitsipano linthong tse ngata tse nang le moeli.
Ha khoele e le ka ntle ho cylindrical shaft (joaloka liboutu), e bitsoa khoele e tona 'me ba ka hare ho shaft (manate) ke basali. Ha likhoele tse ka hare le tse ka ntle li kopana, matla a tsitsipano a sehokelo sa linear a ka mamella khatello ea ho kuta eo likarolo tse peli kapa ho feta tsa lintho tse kopantsoeng li tla sebetsa ho tse ling.
Li-fasteners tse nang le likhoele li sebelisa matla a tsitsipano ho hana ho huloa le ho thibela likarolo tse fapaneng hore li se ke tsa thella. Matla a tsitsipano le mats'oao a tsitsipano a li etsa hore e be tse loketseng maemo ao ho ona o hlokang motsoako o matla, o sa feleng lipakeng tsa mefuta efe kapa efe ea thepa. Li-fasteners tse nang le likhoele li tšehetsa liindasteri tsa likoloi, tsa sefofane, tsa masela, tsa kaho le tsa temo, hara tse ling.
Meetso e fapana ho tloha ho likhoele tse mahoashe ho isa ho tse mahoashe, tse nolofalletsang matla a kopantsoeng a fapaneng ho lumellana le ts'ebeliso e khethehileng. Ha u rala sehlahisoa se secha kapa u ntlafatsa meralo e teng, u tla hloka ho tseba hore na ke li-fasteners life tse fumanehang ho tšehetsa manonyeletso le likopano tsa hau.
Mefuta e mengata ea meralo e fumaneha kajeno e loketseng palo efe kapa efe ea ho kopanya le ho tiisa likopo. Ho khetha moralo o nepahetseng e ntse e le karolo ea bohlokoa ea tlhahiso-pele ea sehlahisoa ho kenyelletsa mofuta oa hlooho, palo ea likhoele le matla a thepa.
Ho ipapisitsoe le ts'ebeliso, mefuta ea mantlha ea li-fasteners tse kentsoeng li kenyelletsa:
- Linate- Hangata nate e tšehali e tšehali e lekana holim'a bolt ka meralo e fapaneng ho lokisa likotoana tse peli tsa thepa hammoho.
- Liboutu- Likhoele tsa banna tse ka ntle ho silinda e ka bang teng ka har'a sekhechana sa khoele ea basali kapa e sebelisang nate ho tiisa thepa sebakeng sa eona.
- Lisebelisoa- Ha e hloke nate mme e tla ka sebopeho kapa boholo bofe kapa bofe, e sebelisa molao-motheo oa screw ho kopanya likarolo tse peli tsa thepa.
- Lihlatsoa- E abela mejaro ka ho lekana ha o ntse o tiisa screw, bolt, nut kapa thupa e khoele
Mefuta e kaholimo ke meralo ea mantlha feela, e nang le li-subtypes tse fapaneng joalo ka liboutu tsa hex, likurufu tsa mochini, li-fasteners tse kentsoeng ka tšepe le mefuta e fapaneng ea lisebelisoa le limaraka tse fumanehang.
Bakeng sa lits'ebetso tse ikhethileng, o ka etsa liboutu tse khoeleng le li-fasteners tse tloaelehileng (hangata li etsoa ho odara) haeba sehlahisoa se tloaelehileng se sa lekana. Liboutu tsa anchor li kopanya litšepe tsa meaho metheong ea meaho ha liphaephe le literei tsa cable khafetsa li hloka li-fasteners tse matla haholo ho ts'ehetsa meralo ea indasteri.
Lithupa tse nang le likhoele li sebetsa joalo ka liboutu empa hangata li na le hlooho e ikhethang kapa karolo ea karolo e nang le matla a mangata lenonyeletsong. Baetsi ba mehleng ea kajeno ba ka sebetsa le uena ho fumana thepa e loketseng, moralo oa hlooho, le matla a tsitsitseng ho tšehetsa kopo leha e le efe ha u ntse u hopola litšenyehelo le boima ba 'mele. Li-fasteners tse entsoeng ka polasetiki li se li tloaelehile lihlahisoa tsa elektroniki, tse nolofalletsang kopano e potlakileng ha li ntse li lumella ho qhaqhoa ha sehlahisoa se hloka ho kena ho lokisoa.
Li-fasteners tse ngata tse nang le likhoele li tla tla le sekhetho se hlophisitsoeng (kapa se ngolisitsoeng) sehlahisoa. Lintlha tse fumanehang likhoutung tsena li tla u thusa ho etsa qeto e nepahetseng ha u khetha sehlahisoa bakeng sa kopo ea hau.
Tlhaloso ea li-fasteners tse nang le thread e hlalosa:
- Mofuta oa koloi- Ho khanna sekoti sebakeng ho ka hloka sesebelisoa kapa sesebelisoa se khethehileng. Mefuta ea likoloi e kenyelletsa lisebelisoa tse kang Phillips (li-screw), Hex Socket (litokomane), Sekwere, (li-screw kapa linate), le Star (li-fasteners tse khethehileng).
- Setaele sa hlooho- E hlalosa hlooho ea "fasteners" e ka bang sephara, chitja, pan, hex kapa mefuta ea oval. Ho khetha mofuta oa hlooho ho itšetlehile ka mofuta oa ho qetela oo u o batlang bakeng sa sehlahisoa kapa kopano ea hau.
- Boitsebiso- Boitsebiso ke e 'ngoe ea lintlha tsa bohlokoa ka ho fetisisa ha u khetha fastening ea khoele. Ha thepa e etsa qeto ea matla a kopantsoeng ka kakaretso, o lokela ho etsa bonnete ba hore o khetha sekontiri se nang le khoele se tlang ka matla a lekaneng a ho tiisa e le karolo ea thepa ea sona.
- Tekanyo- Sefate se seng le se seng se khoele se tla ba le tekanyo e hatisitsoeng sehlahisoa ho u tataisa. E kenyelletsa bophara, palo ea likhoele le bolelele. United States, liboutu kapa likurufu tse nyane ho feta 1/4” li ka sebelisa nomoro ha litekanyo tsa metric lefatšeng ka bophara li tla u fa litekanyo tsa millimeter.
Notation e lehlakoreng kapa hloohong ea sekoaelo se khoele e u fa lintlha tsohle tseo u li hlokang ho fumana hore na sehlahisoa se tla tšoanela moralo oa hau.
Nako ea poso: Feb-20-2023