Chithunzi cha SAE Vs ​​NPT

Pakufufuza kwanga zopangira mafakitale ndi ma adapter, ndapeza china chosangalatsa kwambiri: ulusi wa SAE ndi NPT. Ganizirani za iwo ngati nyenyezi zakuseri kwazithunzi mu makina athu. Zitha kuwoneka zofanana poyang'ana koyamba, koma zimakhala zosiyana kwambiri ndi momwe zimapangidwira, momwe zimagwirira ntchito, ndi momwe zimasindikizira zinthu. Ndine wokondwa kugawana nanu zomwe ndaphunzira pamitu iyi. Tiyeni tidumphire mkati ndikuwona zomwe zimawasiyanitsa komanso chifukwa chake chilichonse chili chofunikira kuti makina athu azigwira ntchito bwino komanso azikhala nthawi yayitali.

Kumvetsetsa Zolemba za SAE

Tanthauzo ndi Mitundu ndi Makhalidwe a SAE Threads

Ulusi wa SAE ndi ulusi wolondola womwe umagwiritsidwa ntchito kwambiri pamakampani amagalimoto ndi ma hydraulics. Ulusiwu umatsatira miyezo yokhazikitsidwa ndi Society of Automotive Engineers (SAE). Pali Mitundu Yosiyanasiyana ya Ulusi wa SAE, koma yodziwika bwino ndi Straight Thread O-Ring Boss (ORB). Mtundu uwu umakhala ndi ulusi wowongoka ndi O-ring wopangidwa kuti apange chisindikizo. Muyezo wa SAE J514 chubu zotengera zimafotokoza za ulusiwu.

Makhalidwe a ulusi wa SAE ndi awa:

l  Ma diameter ayunifolomu  ina ya bawuti amitundu

l  Mapangidwe owongoka  omwe amalola kugwiritsa ntchito mphete ya O

l  Kugwirizana ndi muyezo wa SAE J518  wazowonjezera za flange

Kugwiritsa Ntchito ndi Kufunika Kwa Hydraulics

Mu ma hydraulics, ulusi wa SAE ndi wofunikira. Amawonetsetsa kulumikizana kopanda kutayikira m'makina othamanga kwambiri. Zopangira za O-Ring Boss ndizofunikira kwambiri chifukwa zimatha kuthana ndi madzi ambiri amtundu wa hydraulic popanda kutayikira. SAE Male Connector ndi SAE Female Connector ndizofunika kwambiri mu Kulumikiza Zopangira za SAE kuti apange dongosolo lolimba.

Mapulogalamuwa akuphatikiza:

l  Mapampu a Hydraulic

l  Mavavu

l  Masilinda

Ulusiwu umasunga umphumphu wa dongosolo poletsa kutuluka kwamadzimadzi, komwe kuli kofunikira pachitetezo komanso kuchita bwino.

Kukula kwa Ulusi wa SAE ndi Kuzindikiritsa

Kuzindikira kukula kwa ulusi wa SAE ndikosavuta. Ulusi uliwonse umasankhidwa ndi nambala ya dash (mwachitsanzo, -4, -6, -8) yomwe imagwirizana ndi kukula kwa ulusi mu magawo khumi ndi asanu ndi limodzi a inchi. Mwachitsanzo, kukula kwa ulusi -8 kumatanthauza kuti ulusi wa ulusi ndi 8/16 kapena 1/2 inchi.

Kuzindikira ulusi wa SAE:

1. Yezerani kukula kwakunja kwa ulusi wachimuna kapena m'mimba mwake mwa ulusi wamkazi.

2. Werengani kuchuluka kwa ulusi pa inchi (TPI).

Muyezo wa SAE J518, limodzi ndi miyezo yapadziko lonse lapansi monga DIN 20066, ISO/DIS 6162, ndi JIS B 8363, imapereka chiwongolero chokwanira cha SAE Thread Sizes ndipo imaphatikizanso zambiri monga kukula kwa flange clamp ndi makulidwe oyenera a bawuti.

Mwachidule, ulusi wa SAE ndi wofunikira ku machitidwe a hydraulic, kuonetsetsa chisindikizo chodalirika komanso chothandiza. Makulidwe awo okhazikika ndi mitundu, monga Straight Thread O-Ring Boss, amawapangitsa kukhala osankha akatswiri pamakampani. Kumvetsetsa ulusi uwu ndikofunikira kwa aliyense amene akugwira ntchito ndi ma hydraulic fittings ndi ma adapter.

Tsatanetsatane wa Kukula kwa Ulusi wa SAE ndi Mafotokozedwe

Zambiri za SAE Thread Charts ndi Miyeso

Tikamalankhula za ma chart a SAE, tikunena za dongosolo lomwe limayika magawo ndi miyeso ya ulusi womwe umagwiritsidwa ntchito polumikiza mapaipi a hydraulic ndi zotengera. Mtundu wa Ulusi wa SAE ndichinthu chofunikira kwambiri pakuwonetsetsa kuti kulumikizana kotetezeka komanso kopanda kutayikira mumakina a hydraulic. Mosiyana ndi ulusi wa NPT kapena ulusi wa National Pipe Tapered, womwe uli ndi mapangidwe opangidwa ndi tapered, ulusi wa SAE nthawi zambiri umakhala wowongoka ndipo umafuna O-ring kuti akhazikitse chisindikizo chopanda madzi.

Mafotokozedwe a SAE Amuna ndi Akazi

Kwa inu omwe mukugwira ntchito ndi SAE Male Connector ndi SAE Female Connector magawo, ndikofunikira kuti mumvetsetse zomwe akupanga. SAE Male Connector nthawi zambiri imakhala ndi ulusi wakunja, pamene SAE Female Connector imabwera ndi ulusi wamkati, wopangidwa kuti ugwirizane momasuka. Mukalumikiza zoyika za SAE, ndikofunikira kufananiza zigawo zachimuna ndi chachikazi molondola kuti mupewe kutayikira ndikuwonetsetsa kuti zikuyenda bwino.

l  SAE Male Connector : Ulusi wakunja, wogwiritsidwa ntchito ndi O-Ring Boss  ndi flange clamp  systems.

l  SAE Female Connector : Ulusi wamkati, wogwirizana ndi zolumikizira zachimuna ndipo wapangidwa kuti ukhale wokwanira.

Kusanthula Mwakuya kwa SAE 45 ° Flare Thread Dimensions

SAE 45 ° Flare Thread ndi mtundu wina wake woyikira womwe umagwiritsidwa ntchito pamitundu yosiyanasiyana yama hydraulic. Miyeso yake imakhala yokhazikika kuti iwonetsetse kulumikizana kosasintha komanso kodalirika. Mbali ya 45-degree flare ndiyofunikira chifukwa imalola kusindikiza kwachitsulo-to-zitsulo, ndi mphuno yamoto yamphongo yokwanira yoponderezedwa ndi machubu oyaka a mkazi. Kukonzekera kumeneku kumathetsa kufunikira kwa njira zowonjezera zosindikizira monga PTFE (Polytetrafluoroethylene) tepi kapena mankhwala osindikizira.

l  Kukula kwa Bolt : Yokhazikika kuti igwiritsidwe ntchito ndi SAE J518 , DIN 20066 , ISO/DIS 6162 , ndi JIS B 8363.

l  O Mphete : Zofunikira pakupanga chisindikizo chokhala ndi zolumikizira za Straight Thread O-Ring Boss  .

SAE 45 ° Flare  - SAE J512 Miyeso Miyeso

UTHENGA WACHIUME OD & PITCH	Dash SIZE	UTHENGA WACHIUME OD		ID YA UCHI WACHIKAZI		TUBE SIZE
inchi - TPI		mm	inchi	mm	inchi	inchi
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

UTHENGA WACHIUME OD & PITCH	Dash SIZE	UTHENGA WACHIUME OD		ID YA UCHI WACHIKAZI		TUBE SIZE
inchi - TPI		mm	inchi	mm	inchi	inchi
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

UTHENGA WACHIUME OD & PITCH	Dash SIZE	UTHENGA WACHIUME OD		ID YA UCHI WACHIKAZI		TUBE SIZE
inchi - TPI		mm	inchi	mm	inchi	inchi
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 Female Swivel Threads Dimensions

UTHENGA WACHIUME OD & PITCH	Dash SIZE	UTHENGA WACHIUME OD		ID YA UCHI WACHIKAZI		TUBE SIZE
inchi - TPI		mm	inchi	mm	inchi	inchi
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

 

 

Kuwona NPT Threads

Kodi NPT Threads ndi chiyani? - Chidule

Ulusi wa NPT, kapena ulusi wa National Pipe Tapered, ndi mtundu wa ulusi wa wononga womwe umagwiritsidwa ntchito pomata zitoliro. Kapangidwe kameneka kamapangitsa kulumikizana kopanda kutayikira chifukwa cha mawonekedwe ake opindika, omwe amakhala olimba pamene choyikacho chikulumikizidwa mu chitoliro. The tepi imapanga chisindikizo pofinya ulusi palimodzi, nthawi zambiri kumalimbikitsidwa ndi kugwiritsa ntchito tepi ya PTFE kapena sealant pawiri kuti mudzaze mipata iliyonse.

Tchati chatsatanetsatane cha NPT Thread Dimensions

Mukamachita ndi ulusi wa NPT, miyeso yolondola ndiyofunikira. Nayi tchati chosavuta cha ulusi wa NPT:

NPT THREAD SIZE & PITCH	Dash SIZE	UTHENGA WACHIUME MINOR OD		ID YA UCHI WACHIKAZI
inchi - TPI		mm	inchi	mm	inchi
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

 

NPT Threads mu Industrial Applications

Ulusi wa NPT ndi wofunikira m'mafakitale osiyanasiyana. Nthawi zambiri amapezeka m'makina ogwiritsira ntchito madzi a hydraulic komwe kusindikiza kotetezeka, kolimba kolimba ndikofunikira. Ma adapter a NPT amagwiritsidwa ntchito kulumikiza mapaipi ndi mapaipi amitundu yosiyanasiyana kapena kusintha kuchokera ku mitundu ina ya ulusi, monga mtundu wa ulusi wa SAE, kupita ku NPT. Mukalumikiza zopangira za SAE, zomwe zitha kugwiritsa ntchito njira ya Straight Thread O-Ring Boss, ma adapter amaonetsetsa kuti amagwirizana ndi zigawo za NPT.

Kuzindikira Makulidwe a Ulusi wa NPT ndi Miyezo

Kuti mudziwe ulusi wa NPT, muyenera kudziwa kukula kwakunja ndi kuchuluka kwa ulusi pa inchi. Nayi kalozera wachangu:

1. Yezerani kukula kwakunja kwa ulusi wachimuna kapena m'mimba mwake mwa ulusi wamkazi.

2. Werengani kuchuluka kwa nsonga za ulusi mu inchi imodzi kuti mudziwe TPI.

3. Fananizani miyeso iyi ndi tchati chokhazikika cha NPT kuti mupeze kukula kofananira kwa NPT.

Ndikofunikira kudziwa kuti ulusi wa NPT umafunika kuyanjana koyenera kuti ukhale wotetezedwa. Izi zikutanthauza kuti ulusi wamphongo ndi wamkazi uyenera kulumikizidwa pamodzi mokwanira kuti zisatayike, koma osati zothina kwambiri kuti ziwononge.

 

Kuwunika Kuyerekeza kwa SAE vs. NPT Threads

Kapangidwe ka Ulusi: Molunjika vs. Tapered

Mukawunika mtundu wa SAE Thread Type ndi NPT Thread, kusiyana kwakukulu kumawonekera pamapangidwe awo. Ulusi wa SAE, makamaka Straight Thread O-Ring Boss, umadziwika ndi ulusi wawo wowongoka. Kapangidwe kameneka kamapangitsa kuti m’mimba mwake mukhale wofanana muutali wonse wa ulusi. Mosiyana ndi izi, National Pipe Tapered Threads (NPT) imawonetsa mbiri yocheperako, yocheperako pamene ikupita patsogolo pa ulusi.

l  SAE : Ulusi wowongoka, m'mimba mwake.

l  NPT : Ulusi wopindika, m'mimba mwake umachepera pa ulusi.

Njira Zosindikizira: O-Ring vs. Taper ndi Sealants

Kusindikiza kukhulupirika ndikofunikira popewa kutayikira. SAE Male Connector ndi SAE Female Connector nthawi zambiri amagwiritsa ntchito O-Ring kuti apange chisindikizo. O-Ring iyi imakhala poyambira ndikumangirira ndikumangirira, ndikupanga chotchinga kuti zisatayike. Pakadali pano, mapangidwe ojambulidwa a ulusi wa NPT amafunikira njira ina. Chophimbacho chimalola kuti ulusiwo ugwirizane molimba kwambiri pamene wakulungidwa, kupanga kugwirizana kwamadzi. Kuti izi zitheke, tepi ya PTFE (Polytetrafluoroethylene) kapena sealant pawiri imagwiritsidwa ntchito ku ulusi wa NPT.

l  SAE : Amagwiritsa ntchito O-Ring  kuti asindikize.

l  NPT : Imadalira mawonekedwe ojambulidwa ndi zosindikizira zowonjezera  kuti mulumikizidwe wopanda kutayikira.

Ubwino Wanthawi Yake: Nthawi Yogwiritsa Ntchito SAE kapena NPT

Kusankha pakati pa zoyikira za SAE ndi NPT nthawi zambiri zimatengera kagwiritsidwe ntchito ndi miyezo yamakampani. Machubu a SAE J514 amagwiritsidwa ntchito kwambiri m'makina opangira ma hydraulic chifukwa cha njira zawo zosindikizira zamphamvu komanso kuthekera kolimbana ndi zovuta zambiri. Zapangidwa kuti zigwirizane ndi miyezo monga SAE J518, DIN 20066, ISO/DIS 6162, ndi JIS B 8363. Zosakaniza izi ndi zabwino kupanga kugwirizana kodalirika poyang'anira madzi a hydraulic.

Komano, zopangira za NPT nthawi zambiri zimapezeka m'mapaipi ndi mpweya. The American National Standard Pipe Thread (ANSI/ASME B1.20.1) ndi muyeso wamba wa ulusi wopendekera uku. Ma adapter a NPT ndi oyenera kugwiritsa ntchito pomwe ulusi wowongoka sufunikira kapena pomwe kugwiritsa ntchito O-Ring sikutheka.

l  SAE : Zokonda pamakina apamwamba kwambiri a hydraulic.

l  NPT : Zodziwika mu ma plumbing komanso kugwiritsa ntchito kutsika kwapakati.

Njira Zabwino Kwambiri Zoyikira SAE ndi NPT Threaded Fittings

Mukalumikiza zoyika za SAE, kulondola ndikofunikira. Yambani posankha cholumikizira cholondola cha SAE Male Connector kapena SAE Female Connector. Onetsetsani kuti ikugwirizana ndi miyezo monga SAE J518, DIN 20066, kapena ISO/DIS 6162. Kuti mukhale otetezeka, gwiritsani ntchito O-ring ndi flange clamp. Gwirizanitsani makulidwe a bawuti ndi zomwe mukufuna kupewa kuvula ulusi.

Malumikizidwe a ulusi wa NPT, olamulidwa ndi ANSI/ASME B1.20.1, amafunikira njira yosiyana. Ikani tepi ya PTFE kapena chosindikizira choyenera ku MPT kuti muwonetsetse chisindikizo chopanda madzi chifukwa cha mapangidwe awo. Pewani kumangitsa kwambiri; zimatha kuyambitsa ming'alu kapena kusokoneza ulusi.

Kusamalira ndi Kuthetsa Mavuto Omwe Amakhalapo

Kuwunika pafupipafupi ndikofunikira pama hydraulic system. Yang'anani zizindikiro zovala pa SAE J514 chubu zopangira ndi ma adapter a NPT. Ngati kutayikira kumachitika, yang'anani O-Ring Boss ndikuisintha ngati yawonongeka. Pankhani za ulusi wa NPT, onani ngati tepi ya PTFE ikufunika kubwereza. Nthawi zonse khalani ndi zida zokonzetsera zokhala ndi mphete za O, zosindikizira, ndi tepi ya PTFE.

Kuwonetsetsa Moyo Wautali ndi Kuchita Bwino mu Hydraulic Systems

Kuti musunge kukhulupirika kwadongosolo, tsatirani izi:

1. Gwiritsani ntchito madzi amadzimadzi oyenera.

2. Konzani kuwunika pafupipafupi kwa maulumikizidwe onse.

3. Bwezerani zinthu zong'ambika nthawi yomweyo.

4. Sungani mapaipi a ulusi ndi zoyikapo zitoliro zoyera ku zinyalala.

5. Yang'anirani kusintha kwa machitidwe.

Potsatira malangizowa, mutha kuwonetsetsa kuti palibe kutayikira ndikutalikitsa moyo wama hydraulic system yanu. Kumbukirani, mtundu woyenera wa SAE Thread Type kapena NPT Thread kusankha kungapangitse kusiyana konse pakupanga zisindikizo zogwira mtima komanso zokhalitsa.

Mapeto

Tapenda zamitundumitundu ya ulusi wa SAE ndi NPT. Kuti mubwererenso, ulusi wa SAE umapangidwira makina a hydraulic, okhala ndi ulusi wowongoka wokhala ndi mphete ya O kuti asindikize. SAE Male Connector ndi SAE Female Connector amagwira ntchito yofunika kwambiri poonetsetsa kuti palibe kutayikira. Kumbali inayi, ulusi wa NPT, kapena ulusi wa National Pipe Tapered, uli ndi mapangidwe apamwamba omwe amapanga chisindikizo kupyolera mu kulimba kokwanira, nthawi zambiri kumawonjezeredwa ndi tepi ya PTFE kapena sealant compound.

Kumvetsa kusiyana kumeneku n’kofunika kwambiri. SAE Thread Types, monga Straight Thread O-Ring Boss yomwe imapezeka mu SAE J514 tube fittings, imadalira O-ring kuti apange chisindikizo chotetezeka. Mosiyana, ulusi wa NPT, wogwirizana ndi ANSI/ASME B1.20.1, umapanga chisindikizo mwa kusokoneza pakati pa ulusi.

Kusankha mtundu wolondola wa ulusi sikungathe kuchulukitsidwa. Kusagwirizana kungayambitse kutayikira, kusokoneza machitidwe, ndi nthawi yowonjezereka. Mwachitsanzo, polumikiza zokometsera za SAE ku hydraulic system, onetsetsani kuti zikugwirizana ndi miyezo monga SAE J518, DIN 20066, ISO/DIS 6162, kapena JIS B 8363. Miyezo iyi imakhudzana ndi miyeso, kuphatikiza kukula kwa bawuti ndi zofunikira za clamp ya flange, kuwonetsetsa kuti ndi yotetezeka komanso yoyenera.

M'malo opangira ma hydraulic, SAE Thread Type nthawi zambiri imalumikizana ndi ma O-Ring Boss, pomwe ulusi wa NPT ndi wofala pamapulogalamu apaipi ambiri. Mukamagwiritsa ntchito ma adapter a NPT pamakina opangidwa kuti azitsatira miyezo ya SAE, samalani ndi njira zosiyanasiyana zosindikizira. O-ring imapereka kulumikizana kosasunthika kopanda madzi m'makina a SAE, pomwe kapangidwe kake kachitidwe ka NPT kamafunika kulumikizidwa mosamalitsa kuti mulumikizane popanda kutayikira.

 

Pomaliza, kukhulupirika kwa maulumikizidwe anu-kaya akuphatikiza mapaipi opangidwa ndi ulusi, zopangira mapaipi, kapena ma hydraulic fittings - zimatengera chizindikiritso cholondola ndi kugwiritsa ntchito kwa SAE Thread Type kapena NPT Thread. Nthawi zonse tchulani miyezo yamakampani, monga omwe atchulidwa, kuti atsogolere kusankha kwanu. Kumbukirani, mtundu woyenera wa ulusi umangotsimikizira kuti uyenera kukhala wotetezeka komanso umasunga bwino ndi chitetezo cha dongosolo lanu lonse.