NPT shinda ndiyo American standard 60° taper pombi thread.Formula yekuverenga kuchinjika kweshinda ndeiyi:Fomu yedhayamita yepakati yeshinda ndeiyi: D2=d2=D-0.8XPPIyo fomula yeshinda yeshinda ndeiyi: D1=d1=D-1.6XPKukwana kweshinda ndiko. yakakamurwa kuita cone-post fit kana cone-cone fit.Hurefu hweshinda L ihwerengedzo yehurefu chaihwo hwehurefu hushoma hunoshanda kwete pasi pechinhambwe chayo chereferenzi + mvumo yegungano. Mushure mekugadzirwa kweshinda, kana chigadzirwa chapedzwa, chiratidzo cheshinda chinofanira kuiswa chiratidzo kuguma kwechiso cheshinda kana dzimwe nzvimbo dzinobata maziso, dzakadai se: 4-8NPT-LHKunamwa kweshinda iyi kunopedzwa nepakati pekuisa chisimbiso pakati peshinda.Kana pane kukakavara pamusoro pekuongororwa kweshinda plug ring gauge, iyo nyanzvi yekuongorora nzvimbo ndiyo ichakunda.
Kuongorora kweTBG thread
TBG shinda ndeye petroleum pombi yekubatanidza shinda, yakafanana neLP yemafuta pombi shinda, chiyero chayo ndeichi: API-5B, TBG shinda yakakamurwa kuita gobvu (EUE EU) uye isiri gobvu (NUE NU) mhando mbiri, shinda Engle i60° taper ndi1:16.Izvo zvinotsanangurwa zvetambo isina kufungidzirwa ndezvizvi: 1.05TBG;1.315 TBG;1.660 TBG;1.900 TBG;22/8TBG;27/8TBG;31/2TBG;41/2TBG.UPTBG yakakora (EUE) TBG thread, mazino masere nguva imwe neimwe, tsanangudzo ndeiyi: 1.05UPTBG 1.05UPTBG;1.315 UPTBG;1.660UP TBG;1.900UPTBG;2 2/8UPTBG;27/8UPTBG;31/2UPTBG;4UPTBG.41/2UPTBG
.A: Kugadzirira kusati kwaongororwa: 1:16 light geji, plug ring geuge.60° teether gauge.CB/T 12726-2002 (S) .2002
Kuongorora kweAmerican thread:
(1)Zino chimiro Angle yeshinda yeAmerica i60 °, iyo yakakamurwa kuita: yakakora UNS, yakanaka UNF, yakanyanyisa-yakanaka UNEF, universal UNC coarse thread.Pitch inoratidzwa muhuwandu hwemazino pa 25.4mm pa inch.Kumaka nzira dzakadai se:7/8-9UNC.2B. Giredhi reshinda yekuAmerica rakakamurwa kuita A neB mhando mbiri, A shinda inongoshanda kune yekunze, inokamurwa kuita 1A;2A;3A, giredhi reshinda yemukati inomiririrwa naB, zvakare yakakamurwa kuita 1B;2B;3B.1A1B ine giredhi reshinda yepamusoro uye inoshandiswa kuUS ordnance kana zvimwe zvinangwa zvakakosha.2A2B inokodzera tambo dzekubatanidza uye inogona kuvharwa pamusoro peshinda.Nzira yekuongorora: dhayamita rakakura reshinda yeUnited States;Diki dhayamita;Yepakati warp inogona kushandurwa kuita metric M tsika.Zvino maererano ne metric M thread yekuongorora nzira yekuedza dhayamita yakakura yeAmerican thread;Diki dhayamita;dhayamita yepakati kana neyakafanana zvirevo zveplug ring yakazara geji uye mira geji kuti utarise;Zvimwe zvose zvichaongororwa maererano nemamwe maumbirwo uye kushivirira kwechinzvimbo uye zviyero zvakatsanangurwa mukudhirowa.Nzira yekushandura shinda yeAmerica kuita metric M thread yakadai se: 7/8-9UNC.2B Chidhamu chezita: 22.225 mm.Chimiro chayo ndeichi: 2.822mm, uye dhayamita rayo 22.225 (0.6495 x 2.822) = 20.391 mm. Yakapedzwa American thread product: Mucherechedzo weshinda yechigadzirwa inofanira kugadzirwa pamusoro pechigadzirwa chisati chachengetwa.
LP pombi yemafuta shinda
kuongororaLP shinda yepombi yemafuta;Zvakafanana neNPT vertebral pipe thread ine thread contour Engle ye60 ° uye taper ye1:16.Musiyano uripo pakati payo neNPT vertebral canal thread ndeyokuti kureba kweLP thread yezvakatsanangurwa zvakafanana yakaderera pane iyo yeNPT thread, LP thread urefu ndeye 0.073P, asi kureba kweNPT thread 0.033P, kureva, chidimbu. yeLP thread yakanamira kupfuura iya yeNPT shinda.Uye LP shinda ine kumira, inogona kudzivirira zvinobudirira shinda kubva mukukuvadzwa, LP shinda chisimbiso inonamwa nemutsara wezino, saka kurongeka kwekugadzirisa kwakakwira kupfuura zvinodiwa neshinda yeNPT, uye hurefu hunoshanda hweshinda yeLP hwakareba kupfuura NPT. , iyo inowedzera kuoma kwekugadzirisa.Kuongorora kweLP thread: LP;Kuongororwa kweshinda kwakafanana nekweNPT tambo.Inoda 1:16 light gauge, threaded plug ring gauge.Dental geji, zino kureba mutongi, etc. Nekuda kweakasiyana mataurirwo eshinda dzeLP, nhamba yemaoko akasimba akasimba kureba mazino akasiyana zvakare.Izvi zvinogona kuongororwa kubva kuAPI-5B thread standard.Munguva yekuongorora uye kuyedzwa, iyo yakakodzera saizi kugamuchirwa kunofanirwa kuitwa zvinoenderana nedhirowa maitiro uye saizi inodiwa nekondirakiti.Zvigadzirwa zvinokodzera zvinofanirwa kucherechedzwa mune inobata maziso tambo yakatarwa.
Nguva yekutumira: Sep-07-2023