Zaren NPT shine ma'auni na Amurka 60 ° taper bututu zaren.Tsarin ƙididdige warp ɗin zaren shine: Tsarin tsakiyar diamita na zaren shine: D2=d2=D-0.8XPTsarin hanyar zaren shine: D1=d1=D-1.6XPTsarin yanayin zaren shine raba zuwa mazugi-post fit ko mazugi fit.Tsawon zaren L shine jimlar ainihin tsayin mafi ƙarancin inganci ba ƙasa da nisa ba + izinin taro. fuskar karshen zaren ko wasu wurare masu daukar ido, kamar: 4-8NPT-LH Ana kammala hatimin wannan zaren ne ta hanyar rufewa tsakanin zaren.Lokacin da aka samu sabani kan duba ma'aunin filogin zaren. cibiyar gwajin ƙwararrun za ta yi nasara.
Binciken zaren TBG
Zaren TBG shine zaren haɗin bututun mai, mai kama da zaren bututun mai na LP, ƙayyadaddun sa shine: API-5B, zaren TBG ya kasu kashi kauri (EUE EU) ba mai kauri ba (NUE NU) iri biyu, Zaren Angle shine 60° karfe 1:16 na safe.Ƙayyadaddun zaren marasa kauri sune kamar haka: 1.05TBG;1.315 TBG;1.660 TBG;1.900 TBG;22/8TBG;27/8TBG;31/2TBG;41/2TBG.UPTBG mai kauri (EUE) TBG zaren, hakora 8 kowane lokaci, ƙayyadaddun bayanai sune: 1.05UPTBG 1.05UPTBG;1.315 UPTBG;1.660UP TBG;1.900UPTBG;2 2/8UPTBG;27/8UPTBG;31/2 UPTBG;4 UPTBG.41/2UPTBG
.A: Shiri kafin dubawa: 1:16 ma'aunin haske, toshe ma'aunin zobe.60° ma'aunin hakora.CB/T 12726-2002 (S) .2002
Binciken Zaren Amurka:
(1) Angle siffar haƙori Angle na American zaren ne 60 °, wanda aka raba zuwa kashi: m UNS, lafiya UNF, ultra-lafiya UNEF, Universal UNC m zaren.An bayyana Pitch a cikin adadin hakora akan 25.4mm kowace inch.Hanyoyin yin alama kamar: 7/8-9UNC.2B.Makin zaren Amurka ya kasu kashi A da B iri biyu ne, Zaren da ake amfani da shi kawai ga zaren waje, an kasa shi zuwa 1A;2A;3A, darajar zaren ciki yana wakiltar B, kuma an raba shi zuwa 1B;2B;3B.1A1B yana da mafi girman matakin zaren kuma ana amfani dashi don kayan aikin Amurka ko wasu dalilai na musamman.2A2B ya dace da zaren haɗin kai na gabaɗaya kuma ana iya rufe shi a saman zaren.Hanyar dubawa: babban diamita na zaren Amurka;Ƙananan diamita;Ana iya jujjuya warp matsakaici zuwa ƙimar awo M.Sannan bisa ga hanyar duba zaren awo na metric M don gwada babban diamita na zaren Amurka;Ƙananan diamita;Tsakanin diamita ko tare da ƙayyadaddun ƙayyadaddun filogi na zoben cikakken ma'auni da ma'aunin tsayawa don dubawa;Sauran za a duba su bisa ga sauran nau'i da jurewar matsayi da girma da aka ƙayyade a cikin tsarin zane.Hanyar canza zaren Amurka zuwa zaren metric M shine kamar haka: 7 / 8-9UNC.2B Diamita na ƙididdiga shine: 22.225 mm.Girmansa shine: 2.822mm, kuma diamita shine 22.225(0.6495 x 2.822) = 20.391 mm. Samfurin zaren Amurka da aka gama: Dole ne a yi mai gano zaren samfurin a saman samfurin kafin a adana shi.
Farashin LP Oil
dubawa LP zaren bututun mai;Similar to NPT vertebral bututu zaren tare da zaren kwane-kwane Angle na 60 ° da taper na 1:16.Bambancin da ke tsakaninsa da zaren canal na NPT vertebral shine cewa tsayin zaren LP guda ɗaya ya yi ƙasa da na zaren NPT, tsayin zaren LP shine 0.073P, yayin da tsayin zaren NPT shine 0.033P, wato tip. Zaren LP ya fi na zaren NPT kyau.Kuma LP thread yana da tasha, zai iya yadda ya kamata kare zaren daga lalacewa, LP zaren hatimi da aka shãfe haske da hakori line, don haka aiki daidaito ya fi NPT thread bukatun, da tasiri tsawon LP zaren ya fi NPT tsawo. , wanda ke ƙara wahalar sarrafawa.Bincike na LP thread: LP;Binciken zaren daidai yake da na zaren NPT.Bukatar ma'aunin haske 1:16, ma'aunin filogi mai zare.Dental ma'auni, hakori tsawo mai mulki, da dai sauransu Saboda daban-daban bayani dalla-dalla na LP zaren, yawan hannun m m nesa hakora kuma daban-daban.Ana iya duba wannan daga ma'aunin zaren API-5B.A lokacin dubawa da gwaji, ya kamata a yi yarda da girman da ya dace bisa ga tsarin zane da girman da kwangilar ke bukata.Ya kamata a yi wa samfuran da suka cancanta alama a cikin ƙayyadaddun zaren mai ɗaukar ido.
Lokacin aikawa: Satumba-07-2023