Lefatšeng la boenjineri le boenjiniere ba mechini, ho etsa hore lintho li kopane ke senotlolo.Ke moo litekanyetso tsa khoele li kenang tšebetsong.Li tšoana le melao ea hore na li-spirals tse holim'a bolt li lumellana joang le li-spirals tsa linate.Melao ena e bohlokoa haholo hobane e etsa bonnete ba hore likarolo li tšoarana hantle, 'me li khona ho sebetsana le mosebetsi oo li reretsoeng ho o etsa ntle le ho roba.
Ho Utloisisa Melao ea Khoele
Melao ea Khoele ke Efe?
Ha re qale ka ho utloisisa hore na litekanyetso tsa khoele ke life.Ka mantsoe a bonolo feela, ke litataiso tse hlalosang sebopeho, boholo, le mamello ea likhoele tse sebelisoang liboutung, likurufung le linateng.Nahana ka tsona joaloka buka ea diresepe bakeng sa ho etsa likhoele tse lumellanang hantle.Litekanyetso tsena li netefatsa hore bolt e tsoang k'hamphaning e le 'ngoe e tla lekana ho tsoa ho e' ngoe, ho boloka botsitso le ho nepahala ho pholletsa le liindasteri tse fapaneng.
Karolo ea Maemo a Khoele ho Indasteri
Litekanyetso tsa likhoele li bapala karolo ea bohlokoa lefats'eng la tlhahiso le boenjiniere ba mechini .Ke bahale ba sa tsejoeng kopanong ea ntho e 'ngoe le e' ngoe ho tloha ho likarolo tsa elektronike ho boto ea potoloho ho ea ho lihlopha tse ngata tsa 'mele oa lifofane.Liindastering tse kang tsa ho etsa likoloi tsa sefofane , lisebelisoa , esita le lifofa-sebakeng , litekanyetso tsena li tiisa hore boutu e 'ngoe le e 'ngoe ea fastening , le screw , le karolo ea mochine e lumellana ka ho nepahala phahameng le matla a .Sena ke sa bohlokoa eseng feela bakeng sa ho theha khokahano e tiileng empa hape le ho boloka botsitso le polokeho ea lihlahisoa.
Nalane e Khutšoanyane ea Unified Thread Standard (UTS)
Joale, ha re nke leeto le potlakileng ho theosa le tsela ea nalane.The Unified Thread Standard (UTS) e ile ea sebetsa e le mokhoa oa ho nolofatsa le ho tiisa likhoele tsa screw United States le Canada.Pele ho UTS, ho ne ho e-na le litekanyetso tse ngata tsa khoele, tse neng li ferekanya haholo.UTS e tlisitse motho e mong le e mong leqepheng le le leng ka mefuta e 'meli ea mantlha: Unified National Coarse (UNC) le Unified National Fine (UNF).
l Likhoele tsa UNC : Li tsejoa ka molumo oa tsona o mahoashe , likhoele tsena li ntle bakeng sa lits'ebetso tse akaretsang.Li bonolo ho li etsa le ho li sebetsana, li li etsa khetho e tsebahalang indastering e hlokang tharollo e tiileng e ka mamellang khatello ea maikutlo le lebelo la ho potoloha..
l Likhoele tsa UNF : Tsena li na le molumo o motle , tse fanang ka matla a holimo le ho nepahala .Hangata li sebelisoa lits'ebetsong tse kang sefofane le lisebelisoa tse nepahetseng , moo millimeter e 'ngoe le e 'ngoe e balang.
Likhoele ka bobeli tsa UNC le UNF li oela tlas'a Letoto la Ts'ebetso ea Unified Screw , e tšoanang le lelapa le leholo la likhoele tsa screw tse etselitsoeng ho sebetsa ka kutloano.
Tšoaea
Ho bona ka mahlo a kelello, nahana ka Screw Thread Chart .Chate ena e thathamisitse boholo le mefuta eohle ea likhoele tlas'a UTS, ho kenyeletsoa likhoele tse kopaneng tsa mahoashe le likhoele tse kopaneng tsa molumo o motle .Ke sesebelisoa sa ho ea ho lienjineri le bahlahisi ho etsa khetho e nepahetseng bakeng sa tsa bona tse ikhethileng lits'ebetso .
Ho Hlakola ka Likopo
Ka mantsoe a sebetsang, litekanyetso tsa likhoele li ka morao ho ts'ebetso hoo e batlang e le sehlahisoa se seng le se seng sa mochini.Mohlala, ho lisebelisoa tsa elektroniki , ho nepahala ha likhoele tsa UNF ho netefatsa hore li tsamaisana hantle . likarolo Lits'ebetsong tse kholoanyane, joalo ka likoloing kapa lifofaneng , likhoele tsa UNC li kenya letsoho ho aheng likarolo tse matla tsa chassis le likarolo tsa enjine..
Lebaka Leo Sena se Le Bohlokoa
Ho utloisisa maemo, haholo phapang lipakeng tsa UNF le UNC , ho bohlokoa.Ha se feela ho etsa hore likotoana tse peli li kopane;e mabapi le ho netefatsa ea polokeho , ts'epahalo , le ts'ebetso e sebetsang .Ebang ke o nepahetseng haholo sebakeng mosebetsi sa sefofane kapa kopano e akaretsang ea boenjineri ba mechine , mofuta o nepahetseng oa khoele - e ka ba UNF kapa UNC - o ka etsa phapang eohle tšebetsong le ho phela nako e telele ha sehlahisoa.Ka kakaretso, litekanyetso tsa likhoele tse kang UNF le UNC tlasa Unified Thread Standard li bohlokoa ho theheng lihlahisoa tse tšepahalang le tse bolokehileng.Ba etsa bonnete ba hore ntho e 'ngoe le e' ngoe ho tloha ho sekoti se senyenyane ka ho fetisisa ka boto ea potoloho ho ea e kholo ka ho fetisisa bolt sefofaneng ho se fihlile mosebetsing, ho fana ka matla a hlokahalang , ho nepahala , le khanyetso e hlokahalang lits'ebetsong tse sa tšoaneng.
The Unified Thread Standard (UTS)
The Unified Thread Standard (UTS) e tšoana le buka ea melao bakeng sa likhoele tse sebelisoang Amerika Leboea.Ke eona e etsang bonnete ba hore sekoti se tsoang sebakeng se seng se kena ho nate ho tsoa ho se seng.Tekanyetso ena e bohlokoa haholo liindastering tse joalo ka sefofane , tlhahiso ea likoloi tsa , esita le lisebelisoa tsa elektroniki.
Likarolo tsa likarolo tsa UTS
UTS e na le likarolo tse tharo tse kholo:
1. Foromo ea Khoele : Ena ke sebopeho sa khoele.Nahana ka eona joalo ka mohlala oa bolt kapa screw.E bohlokoa hobane e etsa qeto ea hore na likarolo tse peli li tla kopana hantle hakae.
2. Series : Sena se mabapi le mefuta e fapaneng ea likhoele.Ho UTS, ho na le letoto la lihlooho tse peli - Unified National Coarse (UNC) le Unified National Fine (UNF).Letoto le mahoashe (UNC) le na le likhoele tse fokolang ka inch, athe li-fine series (UNF) li na le tse ling.Phapang ena e ama hore na khokahano e tla ba matla hakae le hore na ho tla ba thata hakae.
3. Lihlopha tsa Fit : Sena se tšoana le boemo ba snugness pakeng tsa likhoele.E mabapi le hore na li tiile hakae kapa li hlephile hakae.Ho na le lihlopha tse 'maloa, e' ngoe le e 'ngoe e loketse lisebelisoa tse fapaneng.
UTS Ho pholletsa le Amerika Leboea
Amerika Leboea, UTS e hohle.Mona ke kamoo e sebelisoang kateng:
l Technique ea Tlhahiso : Likhamphani li sebelisa UTS ho etsa mefuta eohle ea lintho.Ho tloha ho liboto tse nyane tsa potoloho ho ea ho likarolo tse kholo tsa enjene ea sefofane.
l Lisebelisoa tse nepahetseng : Ka lisebelisoa le lisebelisoa tse hlokang ho nepahala ho phahameng haholo , joalo ka sebakeng sa sefofane kapa lisebelisoa tsa sefofane , UTS e thusa ho etsa likarolo tse lumellanang hantle.
l Boenjiniere ba Likoloi le Mechini : Likoloi, literaka, esita le mechini ea lifeme li hloka likarolo tse lekanang hantle.UTS e etsa hore sena se etsahale, ekaba ke bakeng sa likarolo tsa enjene , tsa chassis , kapa esita le likarolo tsa 'mele.
l Lisebelisoa tsa Elektronike : Ka lisebelisoa tse nyane, UTS le eona e bapala karolo e kholo.E etsa bonnete ba hore tsohle tse nyane liboutu le likurufu tsa likarolo tsa elektronike li kopana hantle.
UTS e sebetsa
Ak'u nahane u ntse u etsa roboto.U hloka liboutu le likurufu tse tla li kopanya ka thata.U ka khetha khoele e nepahetseng ea UNC kapa UNF ho latela seo roboto e tla se etsa.Na e tla hloka ho mamella e ngata khatello ea maikutlo ?Kapa na e hlile e hloka ho nepahala?UTS e u tataisa ho etsa liqeto tsena.
UTS e tšoana le puo eo baetsi bohle ba Amerika Leboea ba e buang.Ke mabapi le ho etsa bonnete ba hore ntho e 'ngoe le e 'ngoe e lumellana hantle, ebang ke screw e nyane ho smartphone kapa bolt e kholo sefofaneng.Tekanyetso ena e boloka lintho li bolokehile, li le matla ebile li sebetsa hantle.
Litšobotsi tsa Likhoele tsa UNF
Ho utloisisa likhoele tsa UNF: The Unified Fine Pitch
Ha re ikakhele ka setotsoana ho Likhoele tsa UNF , tse tsebahalang ka Pitch ea tsona e Ntle e Kopanetsoeng .Likhoele tsena ke litsebi tse qaqileng tsa lefats'e la khoele.Li na le likhoele tse ngata ka inch ho feta likhoele tsa UNC , ho bolelang hore li ntle ebile li arohane haholoanyane.Moralo ona o motle ha se oa pontsho feela;ke taba ea ho nepahala.
Likopo le Melemo ea likhoele tsa UNF
Likhoele tsa UNF ke khetho eo u ka e khethang maemong ao ho hlakileng le matla e leng tsa bohlokoa.Mona ke moo ba khanyang:
l Aerospace : Lifofaneng le lifofeng, karolo e 'ngoe le e 'ngoe e nyane e bohlokoa.Likhoele tsa UNF li sebelisoa mona bakeng sa ho nepahala ha tsona.
l Lisebelisoa tse nepahetseng : Nahana ka lisebelisoa tsa laborateng kapa lisebelisoa tsa bongaka.Likhoele tsa UNF li thusa lisebelisoa tsena ho nepahala le ho ts'epahala.
l Ho Etsa Likoloi : Ka likoloing, haholo-holo likarolong tsa enjene le likarolo tsa elektroniki , likhoele tsa UNF li fana ka mokhoa o nepahetseng o hlokahalang.
l Thepa ea Elektronike : Esita le libotong tse nyenyane tsa potoloho , likhoele tsa UNF li bohlokoa bakeng sa ho boloka ntho e 'ngoe le e' ngoe e hokahane ka thata.
Bophahamo bo qaqileng le boholo ba likhoele tsa UNF
Ha re bua ka litekanyo tsa likhoele tsa UNF, re shebile Screw Thread Chart .Chate ena e thathamisa boholo bohle - bophara, bophahamo le bolelele.Bophara ba likhoele tsa UNF bo ka tloha ho tse nyane haholo ho isa ho tse kholo haholo, empa senotlolo ke sekontiri se setle - likhoele tse ngata ho inch ka 'ngoe ea screw.
Bophahamo ba likhoele tsa UNF ho Likopo tse nepahetseng
Lefatšeng la tlhahiso ea maemo a holimo, likhoele tsa UNF li tšoana le li-VIP.Ba fana ka:
l Matla a Phahameng : Ka lebaka la molumo oa bona o motle, ba khona ho sebetsana le mojaro o mongata le khatello ea maikutlo.
l Khokahano e Tight : Likhoele tse ngata li bolela ho ts'oara ka thata.Sena ke sa bohlokoa likarolong tse sa lokelang ho lokoloha, haholo-holo tlas'a vibrate.
l Precision : Ka likhoele tse ngata, ho na le menyetla e fokolang ea ho sisinyeha kapa ho se tsamaisane hantle.Sena se bohlokoa ho lisebelisoa tse nepahetseng le lisebelisoa tsa sefofane.
Ka Ketso
Ak'u nahane u kopanya drone ea theknoloji e phahameng.Karolo e 'ngoe le e' ngoe e hloka ho lumellana hantle.Likhoele tsa UNF li u thusa ho phunya karolo ka 'ngoe ka nepo, ho netefatsa hore drone e tsitsitse ebile e ka tšeptjoa.
Likhoele tsa UNF ANSI B1.1
| Diamethara tse Khōlō (ka) | Likhoele ka inch (tpi) Diamethara | tse Khōlō (in) Sephara se Seholo sa Tlanya | (mm) | Thepa ea Sekhahla (mm) | Pitch (mm) |
| #0 - 80 | 80 | 0.060 | 1.524 | 1.25 | 0.317 |
| #1 - 72 | 72 | 0.073 | 1.854 | 1.55 | 0.353 |
| #2 - 64 | 64 | 0.086 | 2.184 | 1.90 | 0.397 |
| #3 - 56 | 56 | 0.099 | 2.515 | 2.15 | 0.453 |
| #4-48 | 48 | 0.112 | 2.845 | 2.40 | 0.529 |
| #5-44 | 44 | 0.125 | 3.175 | 2.70 | 0.577 |
| #6-40 | 40 | 0.138 | 3.505 | 2.95 | 0.635 |
| #8-36 | 36 | 0.164 | 4.166 | 3.50 | 0.705 |
| #10-32 | 32 | 0.190 | 4.826 | 4.10 | 0.794 |
| #12-28 | 28 | 0.216 | 5.486 | 4.70 | 0.907 |
| 1/4' - 28 | 28 | 0.250 | 6.350 | 5.50 | 0.907 |
| 5/16' - 24 | 24 | 0.313 | 7.938 | 6.90 | 1.058 |
| 3/8' - 24 | 24 | 0.375 | 9.525 | 8.50 | 1.058 |
| 7/16' - 20 | 20 | 0.438 | 11.112 | 9.90 | 1.270 |
| 1/2' - 20 | 20 | 0.500 | 12.700 | 11.50 | 1.270 |
| 9/16' - 18 | 18 | 0.563 | 14.288 | 12.90 | 1.411 |
| 5/8' - 18 | 18 | 0.625 | 15.875 | 14.50 | 1.411 |
| 3/4' - 16 | 16 | 0.750 | 19.050 | 17.50 | 1.587 |
| 7/8' - 14 | 14 | 0.875 | 22.225 | 20.40 | 1.814 |
| 1'- 12 | 12 | 1.000 | 25.400 | 23.25 | 2.117 |
| 1 1/8' - 12 | 12 | 1.125 | 28.575 | 26.50 | 2.117 |
| 1 1/4' - 12 | 12 | 1.250 | 31.750 | 29.50 | 2.117 |
| 1 3/8' - 12 | 12 | 1.375 | 34.925 | 32.75 | 2.117 |
| 1 1/2' - 12 | 12 | 1.500 | 38.100 | 36.00 | 2.117 |
Ho akaretsa, likhoele tsa UNF li mabapi le lintlha le ho nepahala.Ke bahale ba sa tsejoeng lits'ebetsong tse ngata tsa theknoloji e phahameng le khatello e phahameng ea maikutlo, ho tloha botebong ba sepakapaka ho ea ho likarolo tsa bohlokoa tsa enjene ea koloi e sebetsang hantle haholo.Sekhahla sa bona se setle le matla a bona a phahameng li etsa hore e be tsa bohlokoa lefatšeng la kopano e nepahetseng le tlhahiso ea maemo a holimo..
Ho hlahloba likhoele tsa UNC
Likhoele tsa UNC: Ho Hlalosoa ha Motsoako o Kopanetsoeng oa Coarse
Likhoele tsa UNC li emela likhoele tsa Unified National Coarse .Nahana ka bona e le mofuta o tiileng, o ka tšeptjoang oa lelapa la khoele.Li na le likhoele tse fokolang ka inch ha li bapisoa le likhoele tsa UNF , ho bolelang hore li mahoashe.Sena se mahoashe ha se tšitiso;ha e le hantle ke motsoako o moholo maemong a mangata.
Lisebelisoa tse tloaelehileng tsa likhoele tsa UNC
Likhoele tsa UNC li kena hokae?Mona ke ponahalo e potlakileng:
l Kaho : Meahong le marokhong, likhoele tsa UNC li nepahetse bakeng sa ho tšoara thepa e boima hammoho.
l Mechini e Akaretsang : Mechineng e sa hlokeng ho nepahala ho hoholo, joalo ka likarolong tse ling tsa koloi kapa lisebelisoa tse kholo, likhoele tsa UNC li etsa mosebetsi hantle.
l Lihlahisoa tsa Bareki : Lintho tseo re li sebelisang letsatsi le leng le le leng, joalo ka thepa ea ka tlung kapa lisebelisoa tsa lapeng, hangata li na le likhoele tsa UNC tse li bolokang hammoho.
Matla le Mamello ho UNC Threading
Likhoele tsa UNC li tsejoa ka lintho tse peli: matla le mamello.
l Matla : Li matla ho lekana ho tšoara meaho e meholo, ke ka lebaka leo u li bonang kahong le mochining o boima.
Mamello : . Ba tšoarela ho feta likhoele tse ntle Sena se bolela hore li khona ho sebetsana le litšila, tšenyo, 'me li bonolo ho li senya le ho li qhaqha, tse ntle haholo libakeng tse sa tloaelehang.
Lintlha tsa Tlhahiso bakeng sa likhoele tsa UNC
Ha ho tluoa tabeng ea ho etsa lintho ka likhoele tsa UNC, ho na le lintlha tse 'maloa tseo u lokelang ho li ela hloko:
l Bonolo ba Tlhahiso : Li bonolo ebile li potlakile ho hlahisa ho feta likhoele tse ntle.Sena ke taba e kholo ha u etsa likete tsa li-screws kapa liboutu.
l E na le Litšenyehelo : Kaha li bonolo ho li etsa, hangata li bitsa chelete e tlaase.Sena se bohlokoa ho lihlahisoa moo o hlokang li-fasteners tse ngata empa ha o hloke ho nepahala ho fetisisa.
l Ho feto-fetoha ha maemo : Li na le mefuta e mengata.U ka sebelisa likhoele tsa UNC lihlahisoa tse fapaneng, ho tloha mochining o boima ho isa linthong tsa letsatsi le letsatsi.
Likhoele tsa UNC ho latela ANSI B1.1
| Diamethara tse Khōlō (ka) | Likhoele ka inch (tpi) Diamethara tse Khōlō | (ka) Sephara se Seholo sa Tlanya | (mm) | Tlanya Sekhahla (mm) | Pitch (mm) |
| #1 - 64 | 64 | 0.073 | 1.854 | 1.50 | 0.397 |
| #2 - 56 | 56 | 0.086 | 2.184 | 1.80 | 0.453 |
| #3-48 | 48 | 0.099 | 2.515 | 2.10 | 0.529 |
| #4 - 40 | 40 | 0.112 | 2.845 | 2.35 | 0.635 |
| #5-40 | 40 | 0.125 | 3.175 | 2.65 | 0.635 |
| #6-32 | 32 | 0.138 | 3.505 | 2.85 | 0.794 |
| #8-32 | 32 | 0.164 | 4.166 | 3.50 | 0.794 |
| #10 - 24 | 24 | 0.190 | 4.826 | 4.00 | 1.058 |
| #12-24 | 24 | 0.216 | 5.486 | 4.65 | 1.058 |
| 1/4' - 20 | 20 | 0.250 | 6.350 | 5.35 | 1.270 |
| 5/16' - 18 | 18 | 0.313 | 7.938 | 6.80 | 1.411 |
| 3/8' - 16 | 16 | 0.375 | 9.525 | 8.25 | 1.587 |
| 7/16' - 14 | 14 | 0.438 | 11.112 | 9.65 | 1.814 |
| 1/2' - 13 | 13 | 0.500 | 12.700 | 11.15 | 1.954 |
| 9/16' - 12 | 12 | 0.563 | 14.288 | 12.60 | 2.117 |
| 5/8' - 11 | 11 | 0.625 | 15.875 | 14.05 | 2.309 |
| 3/4' - 10 | 10 | 0.750 | 19.050 | 17.00 | 2.540 |
| 7/8' - 9 | 9 | 0.875 | 22.225 | 20.00 | 2.822 |
| 1'-8 | 8 | 1.000 | 25.400 | 22.85 | 3.175 |
| 1 1/8' - 7 | 7 | 1.125 | 28.575 | 25.65 | 3.628 |
| 1 1/4' - 7 | 7 | 1.250 | 31.750 | 28.85 | 3.628 |
| 1 3/8' - 6 | 6 | 1.375 | 34.925 | 31.55 | 4.233 |
Likhoele tsa UNC li tšoana le lipere tse tšepahalang tsa lefats'e la likhoele.E ka 'na eaba ha ba na lintlha tse ntle tsa likhoele tsa UNF, empa ba e etsa ka matla a bona, mamello, le ho feto-fetoha ha maemo.Ho tloha ho boloka li-skyscraper li eme ho ea ho ho netefatsa hore tafole ea hau ea kichineng e tiile, likhoele tsa UNC ke karolo ea bohlokoa ea lihlahisoa tsa letsatsi le letsatsi le meaho e meholo ka ho ts'oana.
Ho bapisa likhoele tsa UNF le UNC
Liphapang tse ka Sehloohong ho Pitch le Matla
Ha re sheba likhoele tsa UNF (Unified National Fine) le UNC (Unified National Coarse) , lintho tsa mantlha tse hlahelletseng ke sekontiri le matla ..
l Pitch : Likhoele tsa UNF li na le molumo o motle haholoanyane, ho bolelang likhoele tse ngata ka inch.Likhoele tsa UNC li mahoashe ka likhoele tse fokolang ka inch.
l Matla : Ho phahama ho hoholo ha likhoele tsa UNF ho ba fa matla a eketsehileng tsitsipanong.Ba ka sebetsana le matla a mangata ntle le ho senya ha ba bapisoa le likhoele tsa UNC.
Ho Lokeloa Bakeng sa Lisebelisoa tse Fapaneng
Ho khetha lipakeng tsa likhoele tsa UNF le UNC ho ipapisitse le hore na li tla sebelisoa hokae.
l Likhoele tsa UNF : E loketse lits'ebetso tse hlokang ho nepahala holimo , joalo ka le matla a sebakeng sa sefofane kapa lisebelisoa tse nepahetseng..
l Likhoele tsa UNC : E loketse hamolemo bakeng sa kaho e akaretsang le lihlahisoa moo ho nepahala ho seng bohlokoa haholo, empa ho tšoarella le boiketlo ba tšebeliso li bohlokoa.
Bokhoni ba ho Ithuta: UNF vs. UNC
Ho itšeha ke ntho e kholo maemong ao ho thothomela ho ka lokollang likhoele.
l Likhoele tsa UNF : Sekhahla sa tsona se setle se fana ka bokhoni bo betere ba ho its'oara, ho etsa hore li tšoanelehe bakeng sa libaka tse thothomelang joalo ka lifofane kapa mechini.
l Likhoele tsa UNC : Le hoja li ka itšehla thajana, molumo oa tsona o mahoashe o etsa hore li se ke tsa sebetsa hantle tabeng ena ha li bapisoa le likhoele tsa UNF.
Lipapiso tsa ho Tiisa le Matla a Tsitsitseng
Ho tiisa le ho tiea matla ke tsa bohlokoa ho khethoeng mofuta o nepahetseng oa khoele.
l Likhoele tsa UNF : Fana ka matla a ntlafetseng ka lebaka la molumo oa tsona o motle, o lumellang khokahanyo e tiileng le e matla.
l Likhoele tsa UNC : Sekhahla sa tsona se mahoashe se etsa hore li se tšoanelehe bakeng sa litlhoko tsa matla a holimo, empa li ntse li sebetsa haholo lits'ebetsong tse ngata.
Papiso ea Pitch le Thread Density
Boima ba likhoele ka inch ke ntlha ea bohlokoa ts'ebetsong.
l Likhoele tsa UNF : Boima bo phahameng ba khoele bo bolela khoele e ntle, e lebisang ho matla le ho nepahala ho feta.
l Likhoele tsa UNC : Khoele e tlase ea khoele e nang le khoele e mahoashe, e leng bonolo ho e tšoara le ho e etsa, haholo-holo ka bongata.
Chate bakeng sa Litšupiso
Nahana ka Chate ea Screw Thread .Chate ena e tla bontša ka moo likhoele tsa UNF li pakiloeng haufi-ufi ka palo e holimo ea likhoele ka inch, ha likhoele tsa UNC li na le sebaka se sephara lipakeng tsa likhoele.
khetho pakeng tsa likhoele tsa UNF le UNC e itšetlehile ka litlhoko tse khethehileng tsa kopo.Likhoele tsa UNF, ka molumo oa tsona o motle, li fana ka matla a holimo le ho nepahala, tse loketseng maemo a maemo a holimo le a khatello ea maikutlo.Ka lehlakoreng le leng, likhoele tsa UNC li fana ka boiketlo ba tšebeliso le tlhahiso, li etsa hore li tšoanelehe bakeng sa kaho e akaretsang le lihlahisoa moo ho nepahala ho phahameng ho seng bohlokoa joalo.Mefuta ena ka bobeli e na le melemo ea eona e ikhethang, e etsang hore e be ea bohlokoa haholo lits'ebetsong tsa eona tse fapaneng.
Ho lekanya le ho Khetholla Likhoele tsa UNF le UNC
Lisebelisoa tsa ho Metha Likhoele
Lintho tsa pele pele, ho lekanya likhoele ka nepo, o hloka lisebelisoa tse nepahetseng.Tse atileng haholo ke:
l Li -Calipers : Lisebelisoa tsena li lekanya bophara ba ka ntle ba khoele.Ba tšoana le babusi ba majabajaba ba ka u bolellang hantle hore na khoele e khōlō hakae.
l Likhakanyo tsa likhoele : Tsena li tšoana le lithempleite tsa likhoele.U bapisa khoele khahlanong le gauge ho fumana boholo ba eona le bophahamo ba eona.
Tataiso ea Mohato ka Mohato mabapi le ho Khetholla Likhoele tsa UNF le UNC
Ho tseba hore na khoele ke UNF kapa UNC ho hlakile ka mehato ena:
1. Lekanya Diameter : Sebelisa li-caliper ho lekanya bophara ba ka ntle ba khoele.Sena se o bolella hore na e pharalletse hakae.
2. Bala Likhoele : Bala palo ea likhoele ka bolelele ba lisenthimithara tse le 'ngoe.Mona ke moo u bonang phapang - likhoele tsa UNF li tla ba le likhoele tse ngata ka inch ho feta UNC.
3. Sebelisa Kelo ea Khoele : Bapisa khoele le selekanyo sa khoele.Lekhalo le tla netefatsa sekontiri le hore na ke UNF (e ntle) kapa UNC (e mahoashe).
4. Sheba Chate : U ka sheba Chate ea Screw Thread bakeng sa papiso e potlakileng.Chate ena e bonts'a likhoele tsa UNF le UNC ka molumo le bophara ba tsona.
Malebela a ho Tiisa Litekanyo tse Nepahetseng
Ho fumana litekanyo hantle ho bohlokoa.Malebela ke ana:
l Hloekisa Likhoele : Pele u lekanya, etsa bonnete ba hore likhoele li hloekile.Tšilafalo e ka senya litekanyo tsa hau.
l Lekanya Makhetlo a 'maloa : Ho qoba liphoso, lekanya makhetlo a 'maloa 'me u nke karolelano.
l Sebelisa Lisebelisoa tsa Boleng bo Molemo : Tsetela ho li-caliper le li-gauge tsa boleng bo holimo bakeng sa litekanyo tse nepahetseng haholoanyane.
l Lula U tsitsitse : Ha u lekanya, tšoara lisebelisoa tsa hau li tsitsitse ho qoba ho thella le ho bala hampe.
Ha u ntse u sebetsa morerong, ho tseba hore na ho sebelisa likhoele tsa UNF kapa UNC ho ka etsa kapa ho senya mosebetsi oa hau.Ho metha le ho khetholla likhoele tsena ka nepo ho netefatsa hore li-fasteners tsa hau li lekana hantle, ebang u haha thepa, u lokisa koloi, kapa u kopanya lisebelisoa tsa sefofane.Litekanyo tse ntle li lebisa likhokahanong tse matla, tse tsitsitseng le tse sireletsehileng ho eng kapa eng eo u e etsang kapa ho e lokisa.
Likopo tse Sebetsang le Maikutlo a Indasteri
Likhoele tsa UNF ho Liphetoho le Litokiso tse nepahetseng
Likhoele tsa UNF (Unified National Fine) li tšoana le litsebi tse nepahetseng lefatšeng la likhoele.Mona ke moo ba hlahelletseng teng:
l Sefofane le Sefofane : Lifofaneng le lifofeng, karolo e 'ngoe le e 'ngoe e nyane e tlameha ho phethahala.Likhoele tsa UNF li sebelisoa likarolong tsa enjene le likarolo tsa 'mele bakeng sa ho nepahala ha tsona ho phahameng.
l Ho Etsa Likoloi : Ka likoloing, haholo-holo likarolong tse bonojoana joalo ka lisebelisoa tsa elektroniki , likhoele tsa UNF li fana ka mokhoa o nepahetseng o hlokahalang.
l Thepa ea Elektronike : Bakeng sa lisebelisoa le lisebelisoa, moo millimeter e 'ngoe le e' ngoe e baloang, likhoele tsa UNF li bohlokoa bakeng sa ho nepahala ha tsona le khokahanyo e tiileng ..
Likhoele tsa UNC tse hlahisoang ka bongata ba li-Fasteners
Ha ho tluoa tabeng ea ho etsa li-fasteners tse ngata kapele le ka nepo, likhoele tsa UNC (Unified National Coarse) ke tsona tse tlang pele:
l Kaho : Meahong le meahong, likhoele tsa UNC li sebelisoa ka liboutu le li-screw bakeng sa matla a tsona le boiketlo ba ts'ebeliso.
l Mechini e Akaretsang : Bakeng sa mechini e hlokang li-fasteners tse matla le tse tšepahalang, likhoele tsa UNC li fana ka tekanyo e phethahetseng ea matla le boiketlo ba ho li tšoara.
Maemo a Tšebeliso e Itseng ka Indasteri bakeng sa Likhoele tsa UNF le UNC
Mofuta o mong le o mong oa khoele o na le matla a ona a matla bakeng sa liindasteri tse fapaneng:
l Likhoele tsa UNF : Ka lisebelisoa tse nepahetseng le sebaka sa sefofane , moo lintlha tsohle li leng bohlokoa, likhoele tsa UNF li bohlokoa bakeng sa matla a tsona a phahameng le ho nepahala..
l Likhoele tsa UNC : Liindastering tse kang tsa kaho le mechini e boima, moo li-fasteners li hlokang ho ba thata le ho ts'epahala, likhoele tsa UNC ke tsona tseo u li ratang.
Mathata ho Machining le Kopano
Ho sebetsa ka likhoele ha se kamehla ho leng bonolo.Mathata a mang ke ana:
l Ho nepahala ho Machining : Ho etsa likhoele tsa UNF ho hloka ho nepahala ho holimo ho machining a CNC .Phoso e nyane e ka etsa phapang e kholo.
l Ho sebetsana le Kopano : likhoele tsa UNC, kaha li mahoashe, li bonolo ho li tšoara empa li tlameha ho etsoa ka hloko ho netefatsa hore li lumellana hantle le lits'ebetso tse thata.
l Khetho ea Lintho : Khetho ea thepa bakeng sa likhoele tsa UNF le UNC e bohlokoa.E ama khoele matla , botsitso , le ho hanyetsa khatello ea kelello.
Ebang ke ts'ebeliso e nepahetseng-e hlokehang ea likhoele tsa UNF sebakeng sa sefofane le likarolo tsa elektroniki kapa ho tiea ha likhoele tsa UNC kahong le mochining, ka bobeli li phetha karolo ea bohlokoa mafapheng a tsona a fapaneng.Ho utloisisa litšebeliso le mathata a bona a khethehileng ho thusa ho etsa khetho e nepahetseng ea khoele bakeng sa kopo e 'ngoe le e' ngoe e ikhethang, ho netefatsa katleho le polokeho ea sehlahisoa sa ho qetela.
Ho Khetha Mofuta oa Khoele e Nepahetseng
Lintlha Tseo U Lokelang ho li Nahana ha U Khetha Pakeng tsa UNC le UNF
Ho khetha mofuta o nepahetseng oa khoele - UNC kapa UNF - ho bohlokoa.Mona ke seo u ka nahanang ka sona:
1. Litlhoko tsa Kopo : Na u sebetsa ho hong ho hlokang ho nepahala ho holimo, joalo ka karolo ea sefofane ?Kena ho UNF.Bakeng sa kaho e akaretsang, UNC ke bethe ea hau e ntle ka ho fetisisa.
2. Litlhoko tsa Matla : Likhoele tsa UNF li fana ka matla a eketsehileng ka lebaka la molumo oa tsona o motle, e leng se etsang hore e be tse loketseng lits'ebetso tse phahameng tsa khatello ea maikutlo.
3. Tikoloho ea Kopano : Haeba tikoloho e tloaetse litšila kapa tšenyo, likhoele tse mahoashe tsa UNC li tšoarela haholoanyane.
4. Bokhoni ba ho Etsa Lintho : Na u na le lisebelisoa tsa ho khoasolla hantle tsa UNF?Haeba ho se joalo, UNC e kanna ea sebetsa haholoanyane.
Mekhoa le Litumellano tsa Indasteri
Indasteri ka 'ngoe e na le likhetho tsa eona:
l Aerospace : UNF e atisa ho sebelisoa bakeng sa ho nepahala a phahameng le matla a eona .
l Kaho : UNC e ratoa ka lebaka la matla a eona le boiketlo ba tšebeliso.
l Likoloi : Motsoako oa bobeli, ho latela karolo e etsoang.
Ho Bapisa Mefuta ea Khoele le Bolts le Nuts
Ho kopanya hantle ke ntho ea bohlokoa:
l Hlahloba Tšebelisano : Kamehla etsa bonnete ba hore mofuta oa khoele ea bolt o tšoana le oa linate.Bolt ea UNF e hloka nut ea UNF.
l Sheba Chate ea Screw Thread Chart : Chate ena e thusa ho amahanya likhoele ka nepo, e bonts'a bophahamo ba molumo le khoele..
l Nahana ka Boitsebiso : Thepa ea bolt le linate e lokela ho lumellana bakeng sa khokahanyo e thata.
Ka Sebetsa
Ha re re u ntse u bokella sengoathoana sa lisebelisoa tsa elektroniki.Mohlomong u ka khetha likhoele tsa UNF bakeng sa molumo oa tsona o motle le ho nepahala .Ka lehlakoreng le leng, haeba u etsa shelefo ea libuka, likhoele tsa UNC li tla ba tse loketseng matla le boiketlo ba ho li tšoara.
Ho khetha lipakeng tsa likhoele tsa UNC le UNF ho tla tlase ho utloisisa litlhoko tse ikhethileng tsa projeke ea hau, maemo a indasteri, le ho netefatsa ho lumellana ha likarolo tsohle tse amehang.Ebang ke bakeng sa lisebelisoa tse sebetsang hantle kapa lisebelisoa tse tiileng tsa ho haha, mofuta o nepahetseng oa khoele o netefatsa le , botsitso katleho ea kopano ea hau.
Qetello
Ha re phethela, ha re hopoleng likarolo tsa bohlokoa tsa likhoele tsa UNF le UNC liindastering tse fapaneng.Likhoele tsena, leha li ka bonahala li le nyane, li bohlokoa ho netefatseng polokeho, ho nepahala le ts'ebetso ea lits'ebetso tse ngata.
Kakaretso ea Bohlokoa ba Likhoele tsa UNF le UNC ho Indasteri
l Likhoele tsa UNF : Sekhahla sa tsona se setle se li etsa hore li tšoanelehe bakeng sa ts'ebeliso e nepahetseng e phahameng le e hlokahalang ka matla joalo ka tsa sefofane , lisebelisoa tse nepahetseng , le tlhahiso ea likoloi..
l Likhoele tsa UNC : Li tsejoa ka molumo oa tsona o mahoashe, likhoele tsena li bohlokoa kahong, mochining o boima, le lihlahisoa tsa letsatsi le letsatsi bakeng sa ts'ebeliso ea tsona e bonolo le ho tiea.
Mehopolo ea ho Qetela mabapi le ho Khetha le ho Sebelisa Mofuta oa Khoele e Nepahetseng bakeng sa Likopo tse Khethehileng
Ho khetha khoele e nepahetseng - UNF kapa UNC - e theohela ho:
l Ho Utloisisa Kopo : Litlhoko tse khethehileng tsa projeke ea hau, ebang ke tse nepahetseng kapa tse matla, li tla tataisa khetho ea hau.
l Maemo a Indasteri : Ho tseba ka litumellano tsa indasteri ho thusa ho etsa khetho e nepahetseng.
l Ho lumellana : Ho netefatsa hore likhoele, liboutu le linate tseo u li khethang lia lumellana ho bohlokoa bakeng sa kopano e atlehileng.
Likhoele li ka ba nyane, empa phello ea tsona e kholo.Ho tloha sefofaneng se fofang ka holimo ho rona ho ea ho lisebelisoa tsa elektroniki tseo re li sebelisang letsatsi le leng le le leng, likhoele tsa UNF le UNC li tšoara lefatše la rona hammoho.Kahoo nakong e tlang ha u ntse u sebetsa morerong o itseng, nahana ka bahale bana ba banyenyane.Khetho ea hau lipakeng tsa UNF le UNC e ka etsa phapang e felletseng matleng, ho nepahala le ho phela halelele ha pōpo ea hau.
LBH
P: Phapano ke efe lipakeng tsa likhoele tsa UNF le UNC?
A: Likhoele tsa UNF li ntle ho feta;Likhoele tsa UNC li mahoashe.UNF e na le likhoele tse ngata ka inch.UNC e atile haholo ts'ebelisong e akaretsang.
P: Ke lokela ho sebelisa likhoele tsa UNF neng holim'a likhoele tsa UNC?
A: Sebelisa UNF bakeng sa tsitsipano e ntle le liphetoho tse ntle.UNF e ratoa lits'ebetsong tse hlokang ho nepahala ho holimo.
P: Nka lekanya sekhahla sa khoele bakeng sa likhoele tsa UNF le UNC joang?
A: Sebelisa sekala sa khoele ho bala likhoele ka inch.Lekanya sebaka se phahameng ho isa ho sehlohlolo lipakeng tsa likhoele.Bapisa le litekanyetso tse tsebahalang.
P: Na likhoele tsa UNF le UNC lia fetoha?
A: Che, ba na le mebala e fapaneng ea likhoele.Ho fapanyetsana ho ka baka tšenyo.Kamehla tsamaisana le mofuta o nepahetseng oa khoele.
P: Ke lisebelisoa life tseo ke li hlokang ho sebetsa le likhoele tsa UNF le UNC?
K: U tla hloka lipompo le ho shoa, sekala sa khoele, le li-wrenches.Netefatsa hore lisebelisoa li tsamaisana le mofuta oa khoele.Lubrication le eona e ka hlokahala.
