Nakong ea ha ke ntse ke hlahloba lisebelisoa tsa indasteri le li-adapter, ke fumane ntho e 'ngoe e khahlisang haholo: likhoele tsa SAE le NPT.Ak'u nahane ka bona e le linaleli tse ka morao-rao mochineng oa rona.Li ka 'na tsa bonahala li tšoana qalong, empa ha e le hantle li fapane haholo ka tsela eo li entsoeng ka eona, kamoo li sebetsang kateng, le kamoo li tiisang lintho kateng.Ke thabile haholo ho arolelana le uena seo ke ithutileng sona ka likhoele tsena.Ha re ikakhele ka setotsoana 'me re bone hore na ke eng e li khethollang le hore na ke hobane'ng ha e' ngoe le e 'ngoe e le ea bohlokoa ho etsa hore mechini ea rona e sebetse hantle le ho tšoarella nako e telele.
Ho utloisisa likhoele tsa SAE
Tlhaloso le Mefuta le Litšobotsi tsa SAE Threads
Likhoele tsa SAE ke likhoele tse nepahetseng tse sebelisoang haholo indastering ea likoloi le li-hydraulics.Likhoele tsena li latela litekanyetso tse behiloeng ke Mokhatlo oa Baenjiniere ba Likoloi (SAE).Ho na le Mefuta e fapaneng ea Khoele ea SAE, empa e tsebahalang haholo ke Straight Thread O-Ring Boss (ORB).Mofuta ona o na le khoele e otlolohileng le O-ring e etselitsoeng ho etsa tiiso.Tekanyetso ea SAE J514 tube fittings e hlalosa lintlha tsa likhoele tsena.
Litšobotsi tsa likhoele tsa SAE li kenyelletsa:
l Li-diameter tse sa tšoaneng bakeng sa boholo bo khethehileng ba bolt
l Moralo o otlolohileng o lumellang tšebeliso ea selikalikoe sa O
l Ho lumellana le maemo a SAE J518 bakeng sa lisebelisoa tsa flange
Likopo le Bohlokoa ho Hydraulics
Ho li-hydraulics, likhoele tsa SAE li bohlokoa.Ba etsa bonnete ba hore ho na le khokahanyo e sa lutleng lits'ebetsong tsa khatello e phahameng.Li-fittings tsa O-Ring Boss li bohlokoa haholo hobane li khona ho sebetsana le maro a mangata a hydraulic ntle le ho lutla.SAE Male Connector le SAE Female Connector li bohlokoa ho Connecting SAE Fittings ho theha tsamaiso e tiileng.
Likopo li kenyelletsa:
l lipompo tsa Hydraulic
l Li-valve
l Li-cylinders
Likhoele tsena li boloka botsitso ba sistimi ka ho thibela ho tsoa ha mokelikeli, e leng ntho ea bohlokoa bakeng sa polokeho le katleho.
SAE Thread Sizes le Identification
Ho khetholla boholo ba likhoele tsa SAE ho bonolo.Khoele e 'ngoe le e 'ngoe e khethoa ka nomoro ea dash (mohlala, -4, -6, -8) e tsamaellanang le boholo ba khoele ho karolo ea leshome le metso e tšeletseng ea inch.Ka mohlala, boholo ba khoele ea -8 bo bolela hore bophara ba khoele ke 8/16 kapa 1/2 inch.
Ho khetholla likhoele tsa SAE:
1. Lekanya bophara ba bokantle ba khoele e tona kapa bophara bo ka hare ba khoele e tšehali.
2. Bala palo ea likhoele ka inch (TPI).
Tekanyetso ea SAE J518, hammoho le maemo a machaba a kang DIN 20066, ISO/DIS 6162, le JIS B 8363, e fana ka tataiso e akaretsang bakeng sa Sae Thread Sizes 'me e kenyelletsa lintlha tse kang litekanyo tsa flange clamp le boholo bo loketseng ba bolt.
Ka kakaretso, likhoele tsa SAE li bohlokoa ho sistimi ea hydraulic, ho netefatsa tiiso e tšepahalang le e sebetsang hantle.Boholo le mefuta ea bona e emeng, joalo ka Straight Thread O-Ring Boss, e ba etsa khetho ea ho khetha bakeng sa litsebi indastering.Ho utloisisa likhoele tsena ho bohlokoa ho mang kapa mang ea sebetsanang le li-fittings tsa hydraulic le li-adapter.
Tataiso e Felletseng ea Boholo ba Khoele ea SAE le Litlhaloso
Kakaretso ea Chate le Litekanyo tsa likhoele tsa SAE
Ha re bua ka SAE thread charts, re bua ka tsamaiso e arolang boholo le litekanyo tsa likhoele tse sebelisoang ho hokahanya liphaephe le li-fittings tsa hydraulic.Mofuta oa Khoele ea SAE ke ntho ea bohlokoa ho netefatsa khokahano e sireletsehileng le e sa luleng lits'ebetsong tsa hydraulic.Ho fapana le khoele ea NPT kapa likhoele tsa National Pipe Tapered, tse nang le moralo o tapered, likhoele tsa SAE hangata li otlolohile 'me li hloka O-ring ho theha tiiso e sa keneleng metsi.
Litlhaloso tsa Mohokahanyi oa SAE oa Monna le Motšehali
Bakeng sa lona le sebetsang le likarolo tsa SAE Male Connector le SAE Female Connector, ho bohlokoa ho utloisisa litlhaloso tsa tsona.SAE Male Connector ka tloaelo e na le khoele e ka ntle, ha SAE Female Connector e tla le khoele e ka hare, e etselitsoeng ho hokahanya ka mokhoa o tsitsitseng.Ha o hokahanya lisebelisoa tsa SAE, ho bohlokoa ho bapisa likarolo tsa banna le basali ka nepo ho thibela ho lutla le ho netefatsa ts'ebetso e nepahetseng.
l SAE Male Connector : Khoele ea ka ntle, e sebelisoang le O-Ring Boss le litsamaiso tsa clamp tsa flange .
l SAE Female Connector : Khoele e ka hare, e lumellanang le lihokelo tsa banna 'me e etselitsoe ho etsa hore ho be le mokhoa o sireletsehileng.
Tlhahlobo e tebileng ea SAE 45 ° Flare Thread Dimensions
SAE 45 ° Flare Thread ke mofuta o ikhethileng oa ho kenya o sebelisoang lits'ebetsong tse fapaneng tsa hydraulic.Litekanyo tsa eona li hlophisitsoe ho netefatsa khokahano e tsitsitseng le e tšepahalang.Karolo ea 45-degree flare angle e bohlokoa kaha e lumella ho tiisoa ha tšepe-to-metal, ka nko e tukang ea monna e ts'oanelang e hatellang khahlano le tubing e tukang ea ho lekana ha mosali.Moqapi ona o felisa tlhokahalo ea mekhoa e eketsehileng ea ho tiisa joaloka PTFE (Polytetrafluoroethylene) tape kapa metsoako ea sealant.
l Boholo ba Bolt : E hlophisitsoe hore e sebelisoe le SAE J518 , DIN 20066 , ISO/DIS 6162 , le JIS B 8363.
l O Ring : E bohlokoa bakeng sa ho theha tiiso e nang le li-fittings tsa Straight Thread O-Ring Boss .
SAE 45° Flare – SAE J512 Threads Dimensions
KHOLE EA MONNA OD & PHIRI | KHOTHA KHOLO | KHOPO OD | TŠEBELE LEKHOA ID | TUBE KHOLO |
inch - TPI |
| mm | intshi | mm | intshi | intshi |
5/16 - 24 | -05 | 7.9 | 0.31 | 6.8 | 0.27 | 1/8 |
3/8 - 24 | -06 | 9.5 | 0.38 | 8.4 | 0.33 | 3/16 |
7/16 - 20 | -07 | 11.1 | 0.44 | 9.9 | 0.39 | 1/4 |
1/2 - 20 | -08 | 12.7 | 0.50 | 11.4 | 0.44 | 5/16 |
5/8 - 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | 3/8 |
3/4 - 16 | -12 | 19.1 | 0.75 | 17.5 | 0.69 | 1/2 |
7/8 - 14 | -14 | 22.2 | 0.88 | 20.6 | 0.81 | 5/8 |
1.1/16 - 14 | -17 | 27.0 | 1.06 | 24.9 | 0.98 | 3/4 |
SAE 45º INVERTED FLARE – SAE J512 Threads Dimensions
KHOLE EA MONNA OD & PHIRI | KHOTHA KHOLO | KHOPO OD | TŠEBELE LEKHOA ID | TUBE KHOLO |
inch - TPI |
| mm | intshi | mm | intshi | intshi |
7/16 - 24 | -07 | 11.1 | 0.44 | 9.9 | 0.39 | 1/4 |
1/2 - 20 | -08 | 12.7 | 0.50 | 11.4 | 0.45 | 5/16 |
5/8 - 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | 3/8 |
11/16 - 18 | -11 | 17.5 | 0.69 | 16.0 | 0.63 | 7/16 |
SAE PILOT O RING SEALS Pilot Male Swivel Threads Dimensions
KHOLE EA MONNA OD & PHIRI | KHOTHA KHOLO | KHOPO OD | TŠEBELE LEKHOA ID | TUBE KHOLO |
inch - TPI |
| mm | intshi | mm | intshi | intshi |
5/8 - 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | -6 |
3/4 - 18 | -12 | 19.0 | 0.75 | 17.8 | 0.70 | -8 |
7/8 - 18 | -14 | 22.2 | 0.88 | 20.6 | 0.81 | -10 |
Pilot Felijane Swivel Threads Dimensions
KHOLE EA MONNA OD & PHIRI | KHOTHA KHOLO | KHOPO OD | TŠEBELE LEKHOA ID | TUBE KHOLO |
inch - TPI |
| mm | intshi | mm | intshi | intshi |
5/8 - 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | -6 |
3/4 - 16 | -12 | 19.0 | 0.75 | 17.5 | 0.69 | -8 |
3/4 - 16 | -12 | 19.0 | 0.75 | 17.5 | 0.69 | -8 |
Ho hlahloba likhoele tsa NPT
Likhoele tsa NPT ke eng?– Kakaretso
Likhoele tsa NPT, kapa likhoele tsa National Pipe Tapered, ke mofuta oa khoele ea screw eo hangata e sebelisetsoang ho koala manonyeletso a lipeipi.Moralo ona o etsa bonnete ba hore ho na le khokahanyo e sa lutleng ka lebaka la profil ea eona e tepeletseng, e ntseng e tiea le ho feta ha phala e kenngoa ka har'a phala.Theipi e etsa tiiso ka ho petetsa likhoele hammoho, hangata e ntlafatsoa ka ts'ebeliso ea tepi ea PTFE kapa motsoako oa sealant ho tlatsa likheo leha e le life.
Chate e qaqileng ea NPT Thread Dimensions
Ha o sebetsana le likhoele tsa NPT, litekanyo tse nepahetseng li bohlokoa.Mona ke chate e nolofalitsoeng ea litekanyo tsa likhoele tsa NPT:
NPT KHOLE KHOELE & PHELA | KHOTHA KHOLO | KHOPO E MONATE OD | TŠEBELE LEKHOA ID |
inch - TPI |
| mm | intshi | mm | intshi |
1/8 - 27 | -02 | 9.9 | 0.39 | 8.4 | 0.33 |
1/4 - 18 | -04 | 13.2 | 0.52 | 11.2 | 0.44 |
3/8 - 18 | -06 | 16.6 | 0.65 | 14.7 | 0.58 |
1/2 - 14 | -08 | 20.6 | 0.81 | 17.8 | 0.70 |
3/4 - 14 | -12 | 26.0 | 1.02 | 23.4 | 0.92 |
1 - 11.1/2 | -16 | 32.5 | 1.28 | 29.5 | 1.16 |
1.1/4 – 11.1/2 | -20 | 41.2 | 1.62 | 38.1 | 1.50 |
1.1/2 – 11.1/2 | -24 | 47.3 | 1.86 | 43.9 | 1.73 |
2 - 11.1/2 | -32 | 59.3 | 2.33 | 56.4 | 2.22 |
2.1/2 - 8 | -40 | 71.5 | 2.82 | 69.1 | 2.72 |
3 - 8 | -48 | 87.3 | 3.44 | 84.8 | 3.34 |
Likhoele tsa NPT ho Likopo tsa Liindasteri
Likhoele tsa NPT li bohlokoa maemong a fapaneng a indasteri.Hangata li fumanoa lits'ebetsong tse sebetsanang le maro a hydraulic moo ho hlokahalang tiiso e sireletsehileng, e nang le khatello e matla.Li-adapter tsa NPT li sebelisoa ho hokahanya liphaephe le liphaephe tsa boholo bo fapaneng kapa ho fetola ho tloha mefuteng e meng ea likhoele, joalo ka mofuta oa khoele ea SAE, ho ea ho NPT.Ha o hokela lisebelisoa tsa SAE, tse ka sebelisang sistimi ea Straight Thread O-Ring Boss, li-adapter li netefatsa hore li tsamaellana le likarolo tsa likhoele tsa NPT.
Ho Khetholla Boholo ba Khoele ea NPT le Maemo
Ho tseba khoele ea NPT, u tla hloka ho tseba bophara ba bokantle le palo ea likhoele ka inch.Tataiso e potlakileng ke ena:
1. Lekanya bophara ba bokantle ba khoele e tona kapa bophara bo ka hare ba khoele e tšehali.
2. Bala palo ea litlhōrō tsa likhoele ka bolelele ba inch e le 'ngoe ho fumana TPI.
3. Bapisa litekanyo tsena le chate e tloaelehileng ea NPT ho fumana boholo bo tsamaisanang ba NPT.
Ho bohlokoa ho elelloa hore likhoele tsa NPT li hloka boikopanyo bo nepahetseng ho fihlela sephetho se sireletsehileng.Sena se bolela hore likhoele tse tona le tse tšehali li tlameha ho lokisoa hammoho ka mokhoa o lekaneng ho thibela ho lutla, empa li se thata hoo li ka bakang tšenyo.
Tlhahlobo e Bapisang ea SAE vs. NPT Threads
Moralo oa Khoele: Straight vs. Tapered
Ha u hlahloba mofuta oa SAE Thread Type le NPT Thread, phapang ea mantlha e bonahala meralong ea bona.Likhoele tsa SAE, haholo-holo Straight Thread O-Ring Boss, li khetholloa ka mokhoa oa tsona oa khoele o otlolohileng.Moqapi ona o lumella bophara bo tsitsitseng ho pholletsa le bolelele ba khoele.Ka lehlakoreng le leng, National Pipe Tapered Threads (NPT) e bonts'a profil e tapered, e ntseng e fokotseha ha e ntse e tsoela pele ho theosa le khoele.
l SAE : Likhoele tse otlolohileng, bophara bo lekanang.
l NPT : Likhoele tse tapered, bophara bo fokotseha ka khoele.
Mekhoa ea ho Tiisa: O-Ring vs. Taper le Sealants
Ho tiisa botšepehi ho bohlokoa ho thibela ho lutla.SAE Male Connector le SAE Female Connector hangata ba sebelisa O-Ring ho etsa tiiso.O-Ring ena e lutse ka har'a groove 'me e hatella ha e tiisa, e etsa tšitiso khahlanong le ho lutla.Ho sa le joalo, moralo o tapered oa likhoele tsa NPT o hloka mokhoa o fapaneng.Taper e lumella likhoele hore li kenelle ka thata ha li ntse li phunyeletsoa, ho theha khokahanyo e thibelang metsi.Ho ntlafatsa phello ena, tepi ea PTFE (Polytetrafluoroethylene) kapa motsoako oa sealant hangata o sebelisoa ho likhoele tsa NPT.
l SAE : E sebelisa O-Ring bakeng sa ho tiisa.
l NPT : E ipapisitse le moralo o tapered le li-sealant tse ling bakeng sa khokahano e sa lutleng.
Melemo ea Boemo: Nako ea ho Sebelisa SAE kapa NPT
Khetho lipakeng tsa lisebelisoa tsa SAE le NPT hangata e ipapisitse le ts'ebeliso e ikhethileng le maemo a indasteri.Li-tube fittings tsa SAE J514 li sebelisoa haholo ho li-hydraulic systems ka lebaka la mekhoa ea tsona e matla ea ho tiisa le ho khona ho mamella khatello e phahameng.Li etselitsoe ho finyella litekanyetso tse kang SAE J518, DIN 20066, ISO/DIS 6162, le JIS B 8363. Lisebelisoa tsena li loketse bakeng sa ho theha khokahanyo e ka tšeptjoang ha u laola metsi a hydraulic.
Ka lehlakoreng le leng, li-fittings tsa NPT li atisa ho fumanoa ho li-plumbing le mekhoa ea moea.The American National Standard Pipe Thread (ANSI/ASME B1.20.1) ke maemo a tloaelehileng bakeng sa likhoele tsena tse tapered.Li-adapter tsa NPT li loketse lits'ebetso moo khoele e otlolohileng e sa hlokeng kapa moo ts'ebeliso ea O-Ring e sa khoneheng.
l SAE : E khethoa bakeng sa litsamaiso tse phahameng tsa khatello ea metsi.
l NPT : E tloaelehileng ho li-plumbing le lits'ebetsong tse tlase tsa khatello.
Mekhoa e metle ea ho kenya lisebelisoa tsa SAE le NPT
Ha o hokela lisebelisoa tsa SAE, ho nepahala ke senotlolo.Qala ka ho khetha Sehokelo se nepahetseng sa SAE Male Connector kapa SAE Female Connector.Netefatsa hore e tsamaellana le litekanyetso tse kang SAE J518, DIN 20066, kapa ISO/DIS 6162. Bakeng sa ho lekana ka mokhoa o sireletsehileng, sebelisa O-ring le clamp ea flange.Hlophisa boholo ba bolt le litlhaloso ho qoba ho hlobola likhoele.
Lihokelo tsa likhoele tsa NPT, tse laoloang ke ANSI/ASME B1.20.1, li hloka mokhoa o fapaneng.Kenya tepi ea PTFE kapa motsoako o loketseng oa sealant ho MPT ho netefatsa tiiso e sa keneleng metsi ka lebaka la moralo oa bona o tapered.Qoba ho tiisa ho feta tekano;ho ka baka mapetsong kapa ho holofatsa likhoele.
Tlhokomelo le ho Rarolla Mathata a Tloaelehileng
Ho hlahlojoa khafetsa ho bohlokoa bakeng sa sistimi ea hydraulic.Batla mats'oao a ho roala ho SAE J514 tube fittings le li-adapter tsa NPT.Haeba metsi a lutla, hlahloba O-Ring Boss 'me u e khutlisetse haeba e senyehile.Bakeng sa litaba tsa khoele ea NPT, hlahloba hore na teipi ea PTFE e hloka ho sebelisoa hape.Kamehla u be le lisebelisoa tsa tlhokomelo tse nang le li-O-rings, motsoako oa sealant, le theipi ea PTFE.
Ho netefatsa Bophelo bo Bolelele le ho sebetsa ka katleho ho Hydraulic Systems
Ho boloka botsitso ba sistimi, latela mehato ena:
1. Sebelisa maro a nepahetseng a haeteroliki.
2. Etsa tlhahlobo ea kamehla ea likhokahano tsohle.
3. Fetola likarolo tse tsofetseng hang-hang.
4. Boloka liphaephe tse khoeleng le liphaepe li hloekile ho tloha litšila.
5. Ela hloko liphetoho tsa tsamaiso ea tsamaiso.
Ka ho latela litataiso tsena, o ka netefatsa likhokahano tse sa lutleng le ho lelefatsa bophelo ba sistimi ea hau ea hydraulic.Hopola, khetho e nepahetseng ea SAE Thread Type kapa NPT Thread e ka etsa phapang eohle ho theheng litiiso tse sebetsang hantle, tse tšoarellang.
Qetello
Re hlahlobile mefuta-futa ea likhoele tsa SAE le NPT.Ho pheta-pheta, likhoele tsa SAE li etselitsoe lisebelisoa tsa hydraulic, tse nang le khoele e otlolohileng e nang le O-ring bakeng sa ho tiisa.SAE Male Connector le SAE Female Connector li bapala karolo ea bohlokoa ho netefatsa khokahanyo e sa lutleng.Ka lehlakoreng le leng, likhoele tsa NPT, kapa likhoele tsa National Pipe Tapered, li na le moralo o tapered o etsang tiiso ka ho tiea ha ho lekana, hangata ho ntlafatsoa ka tepi ea PTFE kapa komporo ea sealant.
Ho bohlokoa ho utloisisa phapang.SAE Thread Types, tse kang Straight Thread O-Ring Boss e fumanoang ho SAE J514 tube fittings, e itšetlehile ka O-ring ho etsa tiiso e sireletsehileng.Ka ho fapaneng, likhoele tsa NPT, tse lumellanang le ANSI/ASME B1.20.1, li etsa tiiso ka ho kena-kenana pakeng tsa likhoele.
Ho khetha mofuta o nepahetseng oa khoele ho ke ke ha fetoloa.Ho se lumellane ho ka lebisa ho lutla, ho senyeha ha litsamaiso, le ho eketseha ha nako.Mohlala, ha o hokela lisebelisoa tsa SAE ho sisteme ea haeteroliki, etsa bonnete ba hore e tsamaellana le maemo a kang SAE J518, DIN 20066, ISO/DIS 6162, kapa JIS B 8363. Maemo ana a bua ka litekanyo, ho kenyeletsoa boholo ba bolt le litlhoko tsa clamp ea flange, ho netefatsa e sireletsehileng le e loketseng.
Sebakeng sa li-hydraulic fittings, SAE Thread Type hangata e kopana le likhokahano tsa O-Ring Boss, ha khoele ea NPT e tloaelehile lits'ebetsong tse akaretsang tsa lipeipi.Ha u sebelisa li-adapter tsa NPT tsamaisong e etselitsoeng litekanyetso tsa SAE, ela hloko mekhoa e fapaneng ea ho tiisa.O-ring e fana ka khokahanyo e tsitsitseng e thibelang metsi ho litsamaiso tsa SAE, athe moralo o tapered lits'ebetsong tsa NPT o hloka boikopanyo bo hlokolosi ho fihlella khokahano e sa luleng.
Qetellong, bots'epehi ba likhokahano tsa hau - hore na li kenyelletsa liphaephe tse kentsoeng, lipeipi, kapa li-hydraulic fittings - li ipapisitse le boitsebiso bo nepahetseng le tšebeliso ea mofuta oa SAE Thread Type kapa NPT Thread.Kamehla sheba litekanyetso tsa indasteri, joalo ka tse boletsoeng, ho tataisa khetho ea hau.Hopola, mofuta o nepahetseng oa khoele ha o netefatse feela ho lekana ka mokhoa o sireletsehileng empa o boetse o boloka ts'ebetso le polokeho ea sistimi eohle ea hau.
