201 202 310S 304 316 moetsi oa lipeipi tsa tšepe tse entsoeng ka tšepe tse khabisitsoeng tse khabisitsoeng ka khoele
Khethollo ea liphaephe tse nang le likhoele:
NPT, PT, le G kaofela ke likhoele tsa lipeipi.NPT ke khoele ea phala ea 60 ° ea taper ea maemo a Amerika mme e sebelisoa Amerika Leboea.Litekanyetso tsa naha li ka fumanoa ho GB/T12716-2002m.
PT ke khoele ea 55 ° e tiisitsoeng ea pipe e tiisitsoeng, e leng mofuta oa khoele ea Wyeth 'me e sebelisoa haholo linaheng tsa Europe.Sekhahla ke 1:16.Litekanyetso tsa naha li ka fumanoa ho GB/T7306-2000.(Hangata e sebelisoa mochesong o phahameng, lits'ebetsong tsa khatello e phahameng le lits'ebetso tsa lubrication)
G ke khoele e sa tiiseng ea 55°, e leng mofuta oa khoele ea Wyeth.E tšoauoe joalo ka G e emetse khoele ea cylindrical.Litekanyetso tsa naha li ka fumanoa ho GB/T7307-2001 (e sebelisoang haholo bakeng sa liphaephe tsa metsi le khase tse nang le khatello e ka tlase ho 1.57MPa).G ke lebitso le akaretsang la khoele ea phaephe, e tsejoang ka hore ke sedikadikwe sa pipe.Ke hore, khoele e sebetsoa ka holim'a cylindrical.ZG hangata e tsejoa e le pipe cone, ke hore, khoele e sebetsoa ka holim'a conical, 'me boemo ba naha bo tšoauoa e le Rc (khoele ea ka hare ea pipe ea ka hare).Ka bobeli likhoele tsa G le Rp ke likhoele tsa 55° cylindrical pipe.Rp ke lebitso la khoutu ea ISO.
Karolo ea GB ea maemo a China e lekana le maemo a machaba a ISO.Lintlha ke tse latelang:
1. The fit of cylindrical internal thread (Rp) and tapered external thread (R1), e bitsoang "column/cone fit", nomoro ea maemo a naha ea heso GB/T7306.1-2000, eo ka ho lekana e amohelang maemo a machaba a ISO7-1. : "Column / cone fit" ka 1994 "khoele ea phala e tiisitsoeng ka khoele";
2. Ho lekana ha khoele ea ka hare e tapered (Rc) le khoele ea ka ntle e tapered (R2), e bitsoang "cone/cone fit", nomoro e tloaelehileng ea naha ea rona ke GB/T7306.2-2000, eo ka ho lekana e amohelang maemo a machaba a ISO7- 1: "Khoele / khoele e lekanang" ka 1999 "khoele ea phala e tiisitsoeng ka khoele";
3. Ho lekana ha khoele ea ka hare ea cylindrical (G) le cylindrical external thread (G) e bitsoa "column/column fit".Nomoro e tloaelehileng ea naha ea rona ke GB/T7307-2001 "55 ° khoele ea pipe e sa tiisitsoeng".Tekanyetso ena ea lekana Karolo ea pele ea maemo a machaba a ISO228-1: 1994 "Likhoele tsa liphaephe tse sa tiisitsoeng" ke "Dimensional tolerances and markings", empa maemo a naha ea heso ha a khothaletse ho sebelisoa ha likhoele tsa liphaephe tse tiisitsoeng le likhoele tsa liphaephe tse sa tiisitsoeng. , ke hore (Rp /G);
1. Metsi a batang le tsamaiso ea drainage e amohela khokahanyo ea khoele ha bophara ba phala bo le ka tlase ho kapa bo lekana le 50mm.
2. Mochini oa ho roala liphaephe o sebelisoa bakeng sa ts'ebetso ea khoele le oli e khethehileng ea mochini oa khoele e sebelisetsoa ho tlotsa.Metsi kapa maro a mang ha a lumelloe ho nka sebaka sa lubricant.
3. Oli ea loto le terata ea hemp li sebelisetsoa ho koala le ho paka lipeipi, 'me tepi ea Teflon e sebelisoa bakeng sa ho hokahanya le thepa.Ha e lumelloe ho tlisa ho paka ka phala ha ho tiisa khoele.
4. Ho khaola ha phala ho lokela ho etsoa ka sehahi kapa hacksaw.Oxygen acetylene kapa mochine oa ho itšeha ha o lumelloe.Phapang ea tšekamelo ea sefahleho sa ho qetela ea sehiloeng ha ea lokela ho ba kholo ho feta 1% ea bophara bo ka ntle ba phala, 'me ha ea lokela ho feta 3mm.
5. E le ho etsa bonnete ba hore bonyane botenya ba lerako la motso oa khoele, bo tlameha ho tsepamisoa ka har'a selikalikoe se ka hare sa karolo ea ho qetela ea karolo ea phala, 'me ho kheloha ha khoele ea axial le ho sekama ha axial ea khoele ea phala ho tlameha ho laoloa ka thata, hobane hore na ke ho kheloha ha axial parallel deviation kapa axial tilt deviation, Bobeli ba tla fokotsa ka botebo botenya ba lerako la phala, kahoo ba fokotsa matla a phala.
Ho kheloha ho lumelletsoeng ha ts'ebetso ea khoele ea liphaephe
Phapang e bapileng (mm) Ho kheloha ho sekama (mm)
1 ≤32 0.3 0.3/100
2 40~65 0.4 0.4/100
3 80~100 0.5 0.5/100
4 125~150 0.6 0.5/100
6. Ka mor'a hore pipe e entsoeng ka khoele e sebetsoe, e hlahlobe ka sesebelisoa sa ho lekanya se nang le khoele.Haeba ho na le lisebelisoa tsa liphaephe tsa litlhaloso tse tšoanang, ho molemo ho bapisa lisebelisoa tsa pipe.Tekanyo ea ho hlephileng e hloka feela ho phunyeletsoa ka letsoho, 'me ha ea lokela ho ba e hlephileng haholo haeba lisebelisoa tsa lipeipi li kenngoe ka hare.Haeba e ntse e ke ke ea kengoa kapa screw e tiea, e ka ntšoa feela.Ho roala ka likhoka ha hoa lumelloa.
7. Khoele e kholehileng e lokela ho hloeka le ho ba kamehla.Khoele e robehileng kapa e sieo ha ea lokela ho feta 10% ea palo eohle ea likhoele.Lera la masenke le holim'a bokantle ba phaephe le lokela ho sireletsoa.Likarolo tse senyehileng tsa sebaka seo li lokela ho phekoloa ka phekolo ea anti-corrosion.
8. Khokahano ea likhoele Motso oa khoele ea phala ka mor'a ho kenya phala e lokela ho ba le likhoele tse 2 ~ 3 tse pepenene, 'me terata e feteletseng ea hemp e lokela ho hloekisoa le ho phekoloa ka phekolo ea anti-corrosion.