Hangata, hlooho ea bolt e thehoa ka ho sebetsa ka polasetiki e batang, ha e bapisoa le ts'ebetso ea ho itšeha, fiber ea tšepe (terata ea tšepe) hammoho le sebopeho sa sehlahisoa e tsoela pele, ntle le ho itšeha bohareng, e ntlafatsang matla a sehlahisoa, haholo-holo. babatsehang thepa ea mechine .Simplex bit kapa li-multi-station othomathike mochini o batang o sebelisang litšoaneleho tsa ts'ebetso ea sekheo sa mantlha o entsoe ka thepa ea boholo ba limithara tse 5 ho isa ho tse 6 kapa boima ke 1900-2000 kg ea boholo ba terata ea tšepe ea tšepe, ts'ebetso ea ts'ebetso. thekenoloji ke litšoaneleho tsa sebopeho sa lihlooho tse batang ha se letlapa le sehiloeng le se nang letho esale pele, empa SEBELISA mochini o batang oa othomathike ka boyona ka terata le terata ea tšepe.ho khaola le ho senya sekheo (haeba ho hlokahala).Pele ho sekheo sa extrusion, sekheo se tlameha ho bopeha bocha.Sekheo se ka fumanoa ka ho bōptjoa.Sekoa ha se hloke ho bōptjoa pele se ferekanya, se fokotsa bophara le ho hatella.Ka mor'a hore sekheo se khaole, e romelloa seteisheneng sa mosebetsi se ferekanyang.Seteishene sena se ka ntlafatsa boleng ba sekheo, sa fokotsa matla a ho theha seteishene se latelang ka 15-17%, le ho lelefatsa bophelo ba hlobo.Ho nepahala ho finyelloang ka ho theha lihlooho tse batang ho boetse ho amana le khetho ea mokhoa oa ho theha le mokhoa o sebelisoang.Ho phaella moo, ho itšetlehile ka litšobotsi tsa sebopeho sa thepa e sebelisoang, litšobotsi tsa ts'ebetso le boemo ba tsona, ho nepahala ha lisebelisoa, bophelo le tekanyo ea ho apara. ho sebetsa holim'a roughness ea hard alloy die ha ea lokela ho ba Ra = 0.2um, ha ho sebetsa ka holim'a mahlahahlaha a joalo a shoa a fihla ho Ra = 0.025-0.050um, e na le bophelo bo boholo.
Hangata khoele ea bolt e sebetsoa ka mokhoa o batang, e le hore sekoti se se nang letho ka har'a bophara bo itseng se phuthoe ka poleiti ea khoele (shoa), 'me khoele e thehoa ka khatello ea letlapa la khoele (shoa). E sebelisoa haholo hobane Phala ea polasetiki ea khoele ea screw ha e khaotsoe, matla a eketseha, ho nepahala ho phahame mme boleng bo tšoana. E le ho hlahisa khoele e ka ntle ho bophara ba sehlahisoa sa ho qetela, bophara bo hlokahalang ba khoele e se nang letho bo fapane, hobane e lekanyelitsoe ke ho nepahala ha khoele, hore na ho roala ha thepa le lintlha tse ling rolling terata poleiti) shoa, lehlakoreng le leng ho extrude cylindrical khetla, ka lehlakoreng le leng ho etsa khetla rotation, ho bidika ho qetela shoa ka sebopeho conical isoa khetla, e le hore khoele forming.Rolling (rub) khatello khoele procEssing ntho e tloaelehileng ke hore palo ea rolling phetohelo ha e ngata haholo, haeba e ngata haholo, katleho e tlaase, holim'a khoele meno ho le bonolo ho hlahisa karohano kapa ho hloka taolo buckle phenomenon.Ho fapana le hoo, haeba palo ea liphetohelo ke haholo. nyenyane, khoele bophara ke ho le bonolo ho lahleheloa ke sedikadikwe, rolling khatello e sa tloaelehang keketseho e sa tloaelehang mohatong oa pele, ho fella ka khutsufatsoa shoa bophelo. Tloaelehileng liphoso tsa khoele rolling: ba bang ba mapetsong holim'a kapa mengoapo holim'a khoele; .Haeba mefokolo ena e hlaha ka palo e kholo, e tla fumanoa mothating oa ho sebetsa.Haeba palo e nyane ea liphoso tsena e etsahala, ts'ebetso ea tlhahiso e ke ke ea hlokomela mefokolo ena e tla phalla ho mosebelisi, e baka mathata.Ka hona, litaba tsa bohlokoa tsa maemo a ho sebetsa a lokela ho akaretsoa ho laola lintlha tsena tsa bohlokoa ts'ebetsong ea tlhahiso.
Li-fasteners tse matla li tla halefisoa le ho halefa ho ea ka litlhoko tsa tekheniki.Morero oa kalafo ea mocheso le ho futhumatsa ke ho ntlafatsa thepa e felletseng ea li-fasteners ho fihlela boleng bo boletsoeng ba matla le karo-karolelano ea matla a kobang. boleng ba ka hare ba li-fasteners tse matla haholo, haholo-holo boleng ba eona ba ka hare.Ka hona, e le ho hlahisa li-fasteners tsa boleng bo phahameng ba matla a phahameng, ho hlokahala hore ho be le lisebelisoa tsa theknoloji ea phekolo ea mocheso e tsoetseng pele. khoele ea screw, thepa ea phekolo ea mocheso e hlokahalang ho ba le matla a maholo a tlhahiso, tekanyo e phahameng ea ho iketsetsa le boleng bo botle ba phekolo ea mocheso.Ho tloha lilemong tsa bo-1990, mohala o tsoelang pele oa tlhahiso ea mocheso oa mocheso o nang le sepakapaka se sireletsang o bile boemong bo ka sehloohong.Mofuta o tlase-tlase le sebōpi sa letlooa-lebanta li loketse ka ho khetheha bakeng sa phekolo ea mocheso le mocheso oa li-fasteners tse nyenyane le tse mahareng.Mohala oa ho futhumatsa ntle le sebōpi se tiisitsoeng ke ts'ebetso e ntle, empa hape e na le sepakapaka se tsoetseng pele, mocheso, le mekhoa ea ts'ebetso. taolo ya khomphuta, alamo ya ho hloleha ha disebediswa le dipontsho mesebetsi.Difasteners tse matla a phahameng di sebetswa ka ho iketsa ho tloha ho fepa - ho hlwekisa - ho futhumatsa - ho tima - ho tima - ho hlwekisa - ho futhumatsa - ho kenya mmala ho offline line, ka katleho ho netefatsa boleng ba kalafo ya mocheso.The decarburization of screw thread. e tla etsa hore fastener e khoeme pele ha e hloleha ho kopana le khanyetso ea litlhoko tsa ts'ebetso ea mochini, e leng ho tla etsa hore screw fastener e lahleheloe ke katleho le ho khutsufatsa bophelo ba ts'ebeletso. lintho tse tala decarbonization layer deepened.During the quenching and tempering heat treatment, some oxidizing gase are usua.lly e tlisoang ho tsoa ka ntle ho sebōpi.Mafome a terata ea tšepe ea bareng kapa masalla a terata ka mor'a hore ho toroe ho batang, a tla bola ka mor'a hore a futhumale ka sebōping, 'me a hlahise mafome a nang le oxidizing. tšepe carbonate le hydroxide, ka mor'a hore mocheso o tla robeha ka CO ₂ le H ₂ O, kahoo aggravating the decarburization.Liphetho li bontša hore decarburization tekanyo ea medium carbon alloy tšepe e tebile ho feta ea carbon steel, le decarburization lebelo ka ho fetisisa. mocheso o pakeng tsa 700 le 800 likhato Celsius. Hobane sephutheloana se holim'a terata ea tšepe sea senyeha 'me se kopanya carbon dioxide le metsi ka lebelo le potlakileng tlas'a maemo a itseng, haeba taolo ea khase e sa khaotseng ea letlooeng la sebōpi ha e tšoanelehe, e tla boela e etse hore screw decarbonization error. Ha bolt e matla haholo e le hloohong e batang, thepa e tala le lesela le koetsoeng la decarburizing ha li ntse li le teng, empa li fetisetsoa kaholimo ho khoele.ho fella ka thepa e fokotsehileng ea mechine (haholo-holo matla le ho hanyetsa abrasion) bakeng sa holim'a li-fasteners tse lokelang ho thatafatsoa.Ho phaella moo, ho fokotseha ha holim'a terata ea tšepe, holimo le ka hare ho mokhatlo o hlophisitsoeng ho fapane ebile ho na le coefficient e fapaneng ea ho atolosa, ho tima ho ka hlahisa mapetsong a holim'a metsi. .Ka lebaka leo, ho sireletsa khoele tlhōrōng ea decarburization ka mocheso quenching, empa hape bakeng sa thepa e tala e 'nile ea leka-lekaneng coated carbon decarburization ea fasteners, retelehela molemo oa letlooeng lebanta sebōpi sireletsang sepakapaka ka lintho tsa motheo tse lekanang le dikahare tsa pele k'habone. le likarolo carbon barbotage, se a ntse a decarburization fasteners butle-butle khutlela ho dikahare tsa pele k'habone, bokgoni ba k'habone e behiloeng ka 0.42% 0.48% molemo, nanotubes le quenching mocheso futhumatsang, e tšoanang e ke ke ea tlas'a mocheso o phahameng, e le ho qoba lijo-thollo mahoashe, ama mochine. thepa.Mathata a mantlha a boleng ba li-fasteners ts'ebetsong ea ho tima le ho tima are: ho tima ho thatafala ha hoa lekana;Ho thata ka thata;Ho tima deformation overshoot;Ho tima ho phatloha.Mathata a joalo tšimong hangata a amana le lisebelisoa tse tala, ho tima mocheso le ho tima tsidifatso.Tlhophiso e nepahetseng ea ts'ebetso ea kalafo ea mocheso le maemo a ts'ebetso ea ts'ebetso ea tlhahiso hangata e ka qoba likotsi tse joalo tsa boleng.
Nako ea poso: May-31-2019