Reba: 837 Umwanditsi: Muhinduzi wurubuga Gutangaza Igihe: 2023-12-18 Inkomoko: Urubuga
Ufite ikibazo cyo kutumva insanganyamatsiko ya NPSM, NPTF, NPT, na BSPT? Iyi ngingo izakuyobora binyuze mubisobanuro birambuye kuriyi nsanganyamatsiko, ikanakwigisha uburyo bwo kuyishyiraho hamwe nibitekerezo byingenzi.
NPT isobanura Umuyoboro wigihugu . Nubwoko bwurudodo rukoreshwa muguhuza imiyoboro nibikoresho. Dore ibyo ugomba kumenya:
l Imitwe Yanditseho : NPT insinga zipima ku gipimo cya 1/16 santimetero kuri santimetero, bivuze ko zigenda zigabanuka kugera kumpera.
l Ibipimo byinsanganyamatsiko : Bakurikiza ibipimo bya ANSI / ASME B1.20.1 .
l Inguni yumutwe : Urudodo rufite inguni ya 60 °.
l Ikidodo Cyiza : Bashiraho kashe mashini kubitandukanya bikwiranye hagati yimigozi yimizi ya .
NPT insanganyamatsiko ziri hose muri sisitemu yigitutu . Byakoreshejwe kugirango kashe idasohoka muri:
l Kohereza amazi na gazi : Imiyoboro itwara amazi, amavuta, cyangwa gaze.
l Imyuka ya Calibration Sisitemu : Ibikoresho bipima igitutu.
Inganda zikoresha insanganyamatsiko za NPT zirimo:
Gukora
Imodoka
Ikirere
Mugihe ushyira insanganyamatsiko ya NPT, kurikiza imyitozo myiza:
1. Koresha Tape ya PTFE : Wizike kaseti ya PTFE (Teflon) uzengurutse umugozi wumugabo kugirango utezimbere kashe.
2. Ntugakabye cyane : Gukomera cyane birashobora gutera uburibwe , aho insinga zangiritse.
3. Reba kumeneka : Buri gihe gerageza guhuza kumeneka.
Ibikoreshwa bisanzwe birimo:
l Guhuza imiyoboro : Nko mumazi yo murugo.
l Ibikoresho : Nka nkokora cyangwa tees zifasha guhindura icyerekezo cyurugendo.
l Kwihuza kutarimo : Byaremewe gukora kashe ifunze.
l Byemewe cyane : NPT nibisanzwe mubikorwa byinshi.
l Ingaruka zo Kurenza urugero : Birashoboka kwangiza insanganyamatsiko.
l Gicurasi Gusaba Ikidodo : Rimwe na rimwe, hakenewe kashe yinyongera kugirango kashe idasohoka.
l NPTF , cyangwa Amavuta yo mu bwoko bwa peteroli , azwi kandi ku izina rya Dryseal American National Standard Taper Pipe Thread , yagenewe gutanga kashe ikarishye bidakenewe kashe yongeyeho.
dufite ludodo twa NPTF igishushanyo gitandukanye gato cyemerera guhuza imashini udakoresheje kaseti ya PTFE cyangwa izindi kashe, bitandukanye ninsanganyamatsiko ya NPT ikunze kubasaba.
Wibuke, NPT nijyanye no gukora imiyoboro ihuza imiyoboro yizewe kandi ikoreshwa cyane. Waba ukora ku modoka cyangwa gukosora ibimenetse murugo, kumenya insanganyamatsiko ya NPT bigufasha gukora neza.
Urudodo rwa NPTF, ruzwi kandi nka Dryseal American National Standard Taper Umuyoboro , ukurikiza ibipimo bya ANSI B1.20.3 . Izi nsanganyamatsiko zisa na NPT ariko zagenewe kashe nziza. Urudodo rwa NPTF rufite inguni ya 60 ° kandi rugakora kashe ya mashini binyuze mu guhuza hagati yimigozi n imizi. Ibi bivuze ko insinga zisenyera hamwe kugirango zikore kashe idakenewe kashe yinyongera.
Mugihe insanganyamatsiko ya NPT na NPTF isa, ibishushanyo byabo biratandukanye . Urudodo rwa NPT rwakozwe munsi ya ANSI / ASME B1.20.1 , kandi barashobora gukenera kaseti ya PTFE cyangwa izindi kashe kugirango barebe ko hatabaho . Kurundi ruhande, insanganyamatsiko ya NPTF, ikurikira ANSI B1.20.3 , ikozwe kugirango ikoreshwe neza kandi ikore kashe idafite ibikoresho byiyongereye. Ibyo babigeraho nigishushanyo cyemerera urudodo rwimizi hamwe nimizi guhurira hamwe, bigashiraho kashe idafite umwanda.
Mwisi yisi ya lisansi na gaze , insanganyamatsiko ya NPTF ni ukujya guhitamo. Byaremewe gukora kashe idafite umwanda ikomeye muri sisitemu yigitutu . Sisitemu ntishobora kwihanganira kumeneka, kuko niyo ntoya ishobora guteza akaga. Urudodo rwa NPTF rukoreshwa muri sisitemu yo guhinduranya ingufu hamwe nibice aho kubungabunga isuku nubusugire bwamazi cyangwa gaze ari ngombwa.
Urudodo rwa NPTF ruboneka kenshi mubisabwa aho kashe idasohoka ari ngombwa, kandi nta kashe yifuzwa. Ariko, mugihe insanganyamatsiko ya NPTF na NPT zishobora rimwe na rimwe kuvangwa, ibi ntabwo buri gihe bifite umutekano cyangwa byiza. Urudodo rwa NPTF rushobora gushirwa mubikoresho bya NPT, ariko ibinyuranye ntibishobora gufunga neza kuko NPTF yagenewe guhuza neza. Nibyingenzi kugenzura guhuza mbere yo kubivanga kugirango wirinde ibibazo nko gukubita cyangwa gufunga bidakwiye.
Urudodo rwa NPSM ni ubwoko bwimigozi igororotse . Bakurikiza ibipimo bya ANSI / ASME B1.20.1 . Izi nsanganyamatsiko zagenewe guhuza imashini aho gukora kashe. Bafite inguni ya 60 ° kandi bigenewe gukoreshwa na gasketi cyangwa O-impeta kugirango habeho guhuza ubusa..
Ingingo z'ingenzi zerekeye insanganyamatsiko ya NPSM: - Birasa , bivuze ko diameter ihamye. - Urudodo rwa NPSM ntirukanda nka NPT (Umuyoboro wigihugu wapanze). - Bakoreshwa mugukora imashini . - Gufunga neza biva muri gasketi, ntabwo insinga ubwazo.
Urudodo rwa NPSM ruboneka kenshi muri sisitemu ya hydraulic aho kashe idasohoka ari ngombwa. Bakora neza muri sisitemu yumuvuduko nka sisitemu yogusuzuma . Ibikoresho bya nibisanzwe Pipe Swivel byigitsina gore hamwe nudodo twa NPSM, byemerera kwishyiriraho byoroshye ahantu hafunganye.
Uburyo bwiza bwo gukoresha burimo: - Aho kashe ya mashini ari ngombwa kuruta kashe yumutwe. - Sisitemu isaba gusenya kenshi no kuyiteranya. - Iyo ukoresheje gasketi cyangwa O-impeta bikundwa kurenza kashe.
NPSM irashobora rimwe na rimwe kwitiranywa na NPTF (National Pipe Taper Fuel), izwi kandi nka Dryseal American National Standard Taper Pipe Thread . Dore uko bagereranya:
Urudodo rwa NPTF rwashizweho kugirango rutange kashe idasohoka idakenewe kashe yongeyeho. Bashiraho intambamyi ikwiranye hagati yimigozi nu mizi.
l Urudodo rwa NPSM rusaba gasketi cyangwa O-impeta kugirango hamenyekane umurongo udafite.
l NPSM ntishobora guhinduka na NPTF cyangwa NPT kubera ibipimo bitandukanye.
Urudodo rwa NPSM ruhabwa agaciro kubwo gufunga neza iyo rukoreshejwe kashe ya mashini ikwiye . Zikoreshwa cyane muri: - Porogaramu yohereza amazi na gaze . - Inganda zikeneye guhuza imashini yizewe.
Inganda zikoreshwa zirimo: - Gutunganya amazi n’amazi. Sisitemu ya pneumatike. - Amavuta yo kwisiga.
Iyo tuvuze ku nsanganyamatsiko ya BSPT , tuba twibira mu isi y'imiyoboro n'ibihuza bikenewe mu kohereza amazi na gaze . BSPT isobanura Ubwongereza Bwuzuye Umuyoboro . Nubwoko bwurudodo rukoreshwa mugukora kashe idasohoka . Ibipimo ngenderwaho bigaragara mu nyandiko nka BS 21 na ISO 7.
BSPT insanganyamatsiko irihariye. Bafite inguni ya 60 ° kandi barafashwe, bivuze ko bigenda bigabanuka uko bigenda byimbitse. Ibi bitandukanye nu nsanganyamatsiko za NPT , nazo zafashwe amajwi ariko zifite inguni ya 60 ° ikoreshwa muri Amerika, nkuko byasobanuwe na ANSI / ASME B1.20.1.
Noneho, reka tugereranye BSPT na NPTF . NPTF, cyangwa Amavuta ya peteroli yigihugu , bakunze kwita Dryseal American National Standard Taper Pipe Thread , nkuko ANSI B1.20.3 , yabugenewe kashe ikomeye kuruta NPT. Irabigeraho mukurema intererano ikwiranye numutwe wurudodo nimizi . BSPT ntabwo yishingikiriza kuri ibi bikwiye. Ahubwo, irashobora gukenera kashe yomudodo nka kaseti ya PTFE (Teflon) cyangwa gaze kugirango wirinde kumeneka.
Urudodo rwa BSPT rukoreshwa cyane hanze y’Amerika, cyane cyane mu bihugu bikurikiza amahame y’ubuhanga mu Bwongereza. Bakunze kugaragara muri sisitemu yumuvuduko hamwe na sisitemu yo guhinduranya igitutu . Ubushobozi bwabo bwo gukora kashe ya mashini ituma bibera mubikorwa byinshi mpuzamahanga.
Iyo turebye kuri BSPT hamwe nubundi bwoko bwurudodo nka NPSM (National Pipe Straight Mechanical) na BSPP (British Standard Parallel Pipe) , tubona ko BSPT ari iyo gushiraho imiyoboro idacika mumitwe ifunze, mugihe NPSM na BSPP ari kubitereko byuyoboro . Urudodo rwa BSPT rukora imashini idakeneye kashe mpeta cyangwa O-impeta , bitandukanye na BSPP ishobora gukenera kashe.
Urudodo rwa BSPT ninziza mubihe aho ukeneye kashe ihamye, idafite kashe idafite uburyo bugoye bwubundi buryo bwo gufunga. Biroroshe gukoresha kuruta insanganyamatsiko ya NPTF , bisaba kalibrasi yuzuye kugirango wirinde ibibazo nko guhonyora cyangwa kwangirika gukabije.
Iyo tuvuze ibijyanye nududodo nka NPSM, NPTF, NPT, na BSPT, byose bijyanye nukuntu bahuza no gufunga imiyoboro. Ibipimo byinsanganyamatsiko bidufasha kumenya neza ko ibintu bihuye neza neza. Bitekerezeho nka blokisiyo ya LEGO - bakeneye guhuza neza kugirango bafatanye.
l NPSM na NPS bifite insinga zigororotse, bivuze ko zidakomera nkuko zinjiye.
l NPT , NPTF , na BSPT byafashwe amajwi. Ibi bivuze ko barushijeho gukomera, ubwoko bwa feri, ifasha guhagarika kumeneka.
Ikigo cy’Abanyamerika gishinzwe ubuziranenge (ANSI) gishyiraho amategeko kuriyi nsanganyamatsiko muri Amerika Urugero, ANSI / ASME B1.20.1 ni iy'insanganyamatsiko ya NPT. Batubwira uko insanganyamatsiko zigomba kuba nini, zingahe ziri muri santimetero (iyo niyo mibare yo kubara), nuburyo bakeneye kugira.
Ibikoresho bifite akamaro kanini. Ibikoresho byinshi ni ibyuma, nkibyuma cyangwa umuringa, kuko birakomeye. Gukora ibi bice bikurikiza amategeko akomeye kugirango barebe ko bifite umutekano kandi bizamara igihe kirekire. Ibi bijyanye no kubahiriza - nko gukurikiza resept yo guteka cake nziza buri gihe.
l ANSI B1.20.3 na AS 1722.1 nimwe mubipimo ngenderwaho biyobora uburyo bwo gukora insinga za sisitemu yigitutu.
l Mu Bwongereza, bakoresha BS 21 na ISO 7 kumutwe wa BSPT na BSPP .
Ababikora nabo bagomba kumenya neza ko insanganyamatsiko zabo zishobora guhangana nigitutu bagomba gukora kitavunitse cyangwa ngo kimeneke. Aho niho hajyaho ubwishingizi bufite ireme.
Ibipimo byinsanganyamatsiko birimo ikibanza (intera itandukanijwe nu nsanganyamatsiko) nu mfuruka yinyuzi. Kurugero, insanganyamatsiko ya BSPT ifite inguni ya 60 ° impande , ikaba iri mubituma bidasanzwe.
l Kwihanganirana ni itandukaniro rito ryemewe mubunini no mumiterere yinyuzi. Bameze nkicyumba cya wiggle mubice bikwiranye.
l Ubwishingizi bufite ireme bisobanura kugenzura buri gice kugirango umenye neza ko cyujuje ubuziranenge. Ninkumwarimu utanga amanota umukoro wawe kugirango umenye neza ko wabonye ibisubizo neza.
Kashe idasohoka , ibice nka kaseti ya PTFE (Teflon) , birashobora , cyangwa O-impeta gukoreshwa hamwe nizi nsanganyamatsiko. Utudodo twacapuwe nka NPT na BSPT turashobora gufunga bonyine kuberako imiterere yabyo - igenda irushaho gukomera uko yinjiye.
l NPT insanganyamatsiko zagenewe kuba intererano ikwiye , bivuze ko ikora kashe ya mashini mukanda hamwe.
l Urudodo rwa NPSM rukorana na pipe ya swivel yumugore - ubwoko bwimbuto igufasha kuyikuramo utagoretse umuyoboro wose.
lIsomo rya NPTF rimwe na rimwe ryitwa Dryseal American National Standard Taper Pipe Thread kuko igenewe gushyirwaho kashe idakeneye ibintu byinyongera nka kaseti cyangwa paste.
Iyo bigeze kumutwe wibikoresho bikoreshwa muri sisitemu yigitutu , ibisobanuro birahambaye. Reka turebe uko izi nsanganyamatsiko zikoreshwa kwisi.
NPT insanganyamatsiko ikunze kuboneka mubikorwa rusange byinganda. Kurugero, uwakoze sisitemu ya kalibibasi ya sisitemu ashobora gukoresha ibikoresho bya NPT kubera guhuza nibikoresho byinshi.
Urudodo rwa NPTF , ruzwi kandi ku izina rya Dryseal American National Standard Taper Pipe Thread , rwashizweho kashe yizewe, idafite kashe idakenewe nta kashe yinyongera . Zikoreshwa mubisabwa aho kashe ya mashini ari ngombwa, nko mubikoresho byo gutanga lisansi.
Urudodo rwa NPSM , cyangwa Umuyoboro wigihugu wa miyoboro ya tekinike , ikoreshwa hamwe na swivel yumugore . Ubushakashatsi bwakozwe bushobora kuba bukubiyemo sisitemu ya hydraulic aho ibikoresho bya NPSM byemerera guterana no kubungabunga byoroshye.
BSPT insanganyamatsiko , hamwe na 60 ° impande zombi , zirasanzwe mubikorwa mpuzamahanga. Bakunze guhitamo uburyo bwo gufunga neza muri sisitemu yo kohereza amazi na gaze.
Reka dusenye itandukaniro:
l NPT na NPTF : Byombi bifite umugozi wapanze , ariko NPTF itanga intera ihuye hagati yimigozi yimizi nu mizi yumutwe , bikuraho igikenewe.
l NPSM na NPT : NPSM ifite imigozi igororotse kandi isaba gasketi cyangwa O-impeta kugirango habeho guhuza ubusa . Urudodo rwa NPT rukora kashe hamwe nudodo ubwabo.
: Umwanya wihariye wa BSPT Urudodo rwa BSPT rusa na NPT ariko rufite urudodo rutandukanye kandi rufite ikibanza , bigatuma ridahinduka hamwe nibikoresho bya NPT.
Inzobere mu nganda zitanga igitekerezo cyo gukoresha kaseti ya PTFE (Teflon) cyangwa kashe mpeta ifatanye hamwe na NPT kugirango hamenyekane kashe idafite . Kuri NPTF, ni ngombwa kwemeza gusezerana neza kugirango ukoreshe imikorere yumye .
Mugihe ukorana na BSPT ihuza , ibuka ko bidahuye na NPT cyangwa NPTF idafite adapteri. Abahanga batanga inama yo kugenzura ibipimo byinsanganyamatsiko nka ANSI / ASME B1.20.1 kuri NPT, ANSI B1.20.3 kuri NPTF, cyangwa ISO 7 na BS 21 kuri BSPT kugirango barebe neza.
Galling , cyangwa urudodo rwangiritse, ningaruka hamwe nibi bikoresho. Kugirango wirinde, ntuzigere ukomera kandi buri gihe ukurikize sisitemu ya pression .
Mugihe ushyiraho NPSM , NPTF , NPT , cyangwa BSPT , ni ngombwa gukurikiza amabwiriza yihariye kugirango wemeze ko hatabaho . Dore ubuyobozi bwihuse:
l NPT na NPTF :
Koresha cyangwa kaseti ya PTFE ubereye umugozi kashe yumugabo.
l Kenyera ibikwiranye n'intoki, hanyuma ukoreshe umugozi kugirango uhindukire.
l Witondere kudakomera cyane, kuko ibi bishobora kwangiza insinga.
BSPT :
l Bisa na NPT, koresha kaseti ya PTFE cyangwa kashe ya kashe.
Komeza witonze kugirango ugere kashe ya mashini.
l NPSM :
l Izi nyuzi zagenewe guhuza umuyoboro wa swivel wumugore.
Koresha gasketi cyangwa ikimenyetso O-impeta kugirango ushireho .
Ntukarengere , kuko bishobora kwangiza gasike.
l Kwambukiranya : Bibaho iyo insanganyamatsiko zidahujwe. Buri gihe tangira ukuboko kugirango wirinde.
l Galling : Guhuza ibyuma-byuma bishobora gutera ibi. Koresha amavuta kugirango wirinde.
l Gukomera cyane : Birashobora gukurura kwangirika. Kurikiza amabwiriza ya sisitemu ya kalibrasi ya sisitemu ya torque ikwiye.
Kumeneka : Niba ibibyimba bibaye, reba neza ko utuzengurutse kandi urebe neza ko uhuza neza.
: Kugenzura buri gihe Reba ibimenyetso byerekana kwambara, kwangirika, cyangwa kwangirika.
Isuku : Komeza kugira isuku. Umwanda urashobora gutera imyanda.
Gusubiramo Ikidodo : Igihe kirenze, abashiraho ikimenyetso barashobora gutesha agaciro. Ongera usabe ibikenewe.
: Kubika neza Bika ibikoresho byabigenewe ahantu humye, hasukuye.
Ibuka :
l Urudodo NPT na NPTF rukora kashe hamwe nintera ikwiranye hagati yimigozi yimizi rwa .
l Urudodo rwa BSPT rufunga kashe yonyine, hamwe na 60 ° impande zifasha mugukora neza.
Urudodo rwa NPSM rushingira kumikoreshereze yubukanishi , akenshi ruzamurwa na gasketi cyangwa O-impeta.
Iyo bigeze kumutwe , ni nka puzzle. Igice cyose gihuye muburyo runaka. NPSM (National Pipe Straight Mechanical) insinga ziragororotse kandi zagenewe guhuza imashini yubusa. Urudodo rwa NPT rwinjizwemo. Ku rundi ruhande, insanganyamatsiko buryo bwimbitse ( National Pipe Tapered) rurafatwa kandi rugashyirwaho kashe ifatanye mu uko ya BSPT (British Standard Pipe Taper) ikoreshwa mu gukora kashe zifatika muri sisitemu y’umuvuduko kandi ifite inguni ya 55 °, itandukanye na 60 ° inguni ikoreshwa mu nsanganyamatsiko ya NPT.
Noneho, urashobora kubivanga? Ntabwo aribyo. Guhinduranya ntabwo ari umukino ushaka gukina hamwe nududodo. Gukoresha NPT hamwe na NPTF birashobora gukora rimwe na rimwe, ariko ntabwo byemewe kuba umuyoboro udafite . BSPT ?Ninkuru itandukanye rwose kuberako impande zidasanzwe zidasanzwe. Ikosa rikunze kugaragara? Dufate ko bose bahuje. Buri gihe ugenzure ibipimo, nka ANSI / ASME B1.20.1 kuri NPT, kugirango wirinde kumeneka cyangwa kwangirika.
None, ni gute ushobora guhitamo igikwiye? Tekereza ku kazi. Kubijyanye no guhererekanya amazi na gaze , kashe idafite amazi ni urufunguzo. Niba ukorana na sisitemu ya , BSPT ishobora kuba inzira yo kugenda. Kuri porogaramu zikeneye kashe ya mashini idafite kashe, NPTF ninshuti yawe. Kandi kubijyanye nubukanishi bushobora gutandukana byoroshye, NPSM irashobora guhitamo neza.
Ikidodo ciza ni ikihe?
Kaseti ya PTFE (Teflon) ikoreshwa kenshi nu nsanganyamatsiko ya NPT kugirango ifashe kashe.
Nakagombye kubasunika gute?
Genda kugirango ubangikanye neza - birebire bihagije kugirango rusobekeranye n'imizi urudodo kanda hamwe, ariko ntibikomeye kuburyo wambura insinga.
Bite ho ku mfuruka?
Wibuke, NPT na NPTF bifite inguni ya 60 ° , naho BSPT ifite 55 °.
Nshobora kongera gukoresha ibyo bikoresho?
Rimwe na rimwe, ariko witondere gusya - iyo insinga zishaje kandi zifatanije.
Byagenda bite se niba bitemba?
Reba ibyangiritse cyangwa ugerageze kashe mpeta cyangwa O-impeta kugirango urinde urwego.
Wibuke, kubona ibikwiye ni nko guhitamo igikoresho cyiza kumurimo. Byose bijyanye nibisobanuro. Uzirikane izi nama, kandi uzaba uri munzira yo kumenya neza imigozi kugirango uhuze ubusa.
Iyo tuvuze ibijyanye nududodo nka NPSM , NPTF , NPT , na BSPT , tuba tuvuze ibice bidufasha guhuza imiyoboro hamwe na hose hamwe. Ibi bikoresho byerekana neza ko amazi, gaze, nibindi bintu byanyuze mu miyoboro idatemba. Dore ibyo twize:
l NPT ni ubwoko bwurudodo rukoreshwa cyane muri USA. Cyakora neza kuko insinga ziba ntoya kuruhande rumwe, ubwoko bwa cone.
l NPTF , izwi kandi nka Dryseal American National Standard Taper Pipe Thread , ni nka NPT ariko yagenewe gukora kashe irushijeho gukomera idakeneye ibintu byinyongera nka kaseti ya PTFE.
l NPSM , cyangwa Umuyoboro wigihugu ugororotse , ufite insinga zigororotse . Nibyiza gukora imashini ihuza ishobora gutandukana hanyuma igasubizwa hamwe byoroshye.
l BSPT , ngufi kuri British Standard Pipe Taper , isa na NPT ariko inguni itandukanye ifite . Birasanzwe ahantu hakoreshwa ibipimo byabongereza.
Wibuke, kubona ibikwiye bisobanura kumenya amahame yumurongo wawe no guhitamo ubwoko bukwiye bwa sisitemu yawe.
Isi yimyenda yimyenda ikomeza guhinduka. Dore ibiri kuri horizon:
Gukora neza biragenda neza. Turimo gushakisha uburyo bwo gukora amahuza akomeye cyane udakeneye gasketi cyangwa O-impeta.
Ibikoresho nabyo biratera imbere. Ibi bivuze ko ibikoresho bishobora gukemura ibibazo byinshi kandi bikaramba.
Abahanga bavuga ko buri gihe bakurikiza ibyifuzo byinganda , nko gukoresha ANSI / ASME B1.20.1 kuri NPT cyangwa ISO 7 kuri BSPT, kugirango barebe ko byose bihuye neza.
