Bolt ke karolo e tloaelehileng ea mochini, e sebelisoang hangata libakeng tse ngata. Ke hlooho le screw, likarolo tse peli tsa ho hlophisoa ha sehlopha sa li-fasteners, tse lokelang ho sebelisoa hammoho le linate, haholo-holo ho tiisa ho hokahanya ha likarolo tse peli ka lesoba. Mohlomong ha u tsebe letho ka boleng ba lisebelisoa tsa bolt, sehlooho sena se tla u tsebisa boitsebiso ba bolt, tsebo ea boleng, e le hore batho ba bangata ba ka ithuta ho khetholla litšobotsi tsena tse nyenyane tsa bolt.
Litšobotsi le lisebelisoa tsa liboutu li bolela eng?
Boleng ba bolt bo lumellana le 4.8, 8.8, 10.9 le litšobotsi tse ling tsa bolt.
Thepa e sebelisetsoang ho etsa bolt ke Q235, 35K, 40Cr, 45 # steel, 35CrMo steel, 304 tšepe e sa hloekang le 316 tšepe e sa hloekang, joalo-joalo.
Tšepe e bonolo e ka hlahisa liboutu tse matla tse tlase, tšepe ea k'habone e mahareng e ka hlahisa liboutu tse matla tse mahareng, tšepe e phahameng ea carbon le tšepe ea alloy e ka hlahisa liboutu tse matla haholo. Likarolo tse ling tsa bolt li hlakisa sebopeho sa lik'hemik'hale le thepa e tsamaellanang ea mochini, empa hape e supa thepa.
Mona ke lethathamo la limaraka tse tloaelehileng tsa bolt, ho latela lisebelisoa tse sebelisitsoeng. Sehlopha sa 4.8 e ka ba Q235, Q195 le lisebelisoa tse ling tse bonolo tsa tšepe. Sehlopha sa 5.8, Q235, se ka sebelisoa bakeng sa lisebelisoa tsohle mme ha se hloke phekolo ea mocheso. Level 8,8, khoele bophara 16 limilimithara kapa ka tlaase ho moo, 35 #, mocheso tšoaroa, 16 limilimithara kapa ho feta, 45 # le tlaase carbon alloy tšepe, mocheso tšoaroa. Boemo ba 10.9, tšepe e mahareng ea carbon alloy, kalafo ea mocheso. Phekolo ea mocheso 35Crmo 40Cr, joalo-joalo.
Na liboutu tse matla a phahameng li ka khetholloa ho liboutu tse tloaelehileng ka thepa ea tsona?
Hangata liboutu li aroloa ho ea ka matla a tsona.
Boemo ba ts'ebetso ea bolt 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 joalo-joalo, limaraka tse fetang 10, ho kenyeletsoa liboutu tsa 8.8 le ka holimo tse entsoeng ka tšepe e nang le carbon alloy e tlase kapa tšepe e bohareng ea k'habone le ho phekoloa ka mocheso (tse thata, tse tsejoang ka ho fetesisa). tse tsejoang haholo joalo ka liboutu tse tloaelehileng. Letšoao la boemo ba ts'ebetso ea bolt le na le likarolo tse peli tsa sebopeho sa lipalo, ka tatellano matla a ts'oenyehileng a thepa ea bolt le boleng ba karo-karolelano ea matla a kobehang.
Mohlala, boemo ba ts'ebetso ea liboutu tsa sehlopha sa 8.8 ke tse latelang
1, matla ao ho thoeng ke matla a bolt ke 800MPa;
2, tekanyo ea matla a lihlahisoa tsa thepa ea bolt ke 0.8;
3, matla a tlhahiso ea matla a thepa ea bolt ke 800 × 0.8 = 640MPa. Liboutu tse matla haholo tse sebelisoang haholo ke kereiti ea 8.8 le 10.9, 'me liboutu tse tloaelehileng tse sebelisoang haholo ke grade 4.8.
U ka khetholla joang pakeng tsa liboutu tse matla haholo le liboutu tse tloaelehileng?
Lisebelisoa tsa tšepe ea carbon li arotsoe ka matla a phahameng le lisebelisoa tse tloaelehileng. Litšepe tsa tšepe tsa carbon tse hlahisoang ka thepa e matla haholo li bitsoa li-bolts tse matla haholo. Ka mohlala, re sebelisa 45 # tšepe ho hlahisa liboutu tse peli tsa hlooho, 'me ka mohlala, re sebelisa tšepe ea 35k ho hlahisa li-bolts tsa hexagonal le li-bolts tse hexagonal, liboutu tsena li lahleloa, ho tla ba le ts'ebetso ea phekolo ea mocheso, ka mor'a ho phethoa, boemo ba bolt bo fihla sehlopheng sa 8.8, le hoja lisebelisoa tsa tšepe tsa k'habone li tšoana, empa ka lebaka la boemo bo ntlafetseng ba matla, ke hobane'ng ha li bitsoa matla a ntlafetseng. Ka mohlala, re sebelisa tšepe ea 40Crmo alloy ho hlahisa 10.9 hex bolts, 'me ka mohlala, re sebelisa 35Crmo alloy steel ho hlahisa 12.9 bolts, joalo-joalo, maemo ana a phahame ho feta boemo ba 8.8, kahoo a bitsoa liboutu tse matla haholo.
Li-bolts tse hlahisoang ka lisebelisoa tse tloaelehileng tsa carbon steel li bitsoa bolts tse tloaelehileng. Ka mohlala, re sebelisa lisebelisoa tsa Q235 ho hlahisa li-bolts tsa 4.8 tse nang le li-hexagonal, tse kang lisebelisoa tsa rona tsa tšepe tsa A3 ho hlahisa linate tse 4 tsa hexagonal, joalo-joalo, lisebelisoa tsena ka mor'a ho phethoa ha tlhahiso li hloka feela ho hloekisa holim'a metsi kapa ho phekoloa ka holim'a electro-galvanised, 'me ha li hloke phekolo ea mocheso, kahoo li bitsoa li-bolts tse tloaelehileng.
Ho tsoa ho tse ka holimo, re ka theha molao: seo ho thoeng ke li-bolts tse matla haholo, ke hore, tse nang le thepa ea mechine e lekanang kapa e kholo ho feta 8,8 le e hlokang phekolo ea mocheso, e bitsoa li-bolts tse matla haholo. Li-bolts tse nang le thepa ea mechine e ka tlase ho 8,8 li bitsoa li-bolts tse tloaelehileng, tse nang le matla a 4.8, tse sa hlokeng phekolo ea mocheso.
Nako ea poso: Aug-30-2024