Upangiri Wathunthu wa Terminology ya Thread ndi Design

Ulusi, mizere yodabwitsa yopezeka pa mabawuti, zomangira, ndi mkati mwa mtedza, ndizovuta kwambiri kuposa momwe zimawonekera.Zimasiyana m’mapangidwe, kukula kwake, ndi kagwiridwe ka ntchito, kumapanga mmene zigawo zake zimagwirizanirana m’chilichonse, kuyambira pamakina osavuta kufika ku makina apamwamba a uinjiniya.Mu bukhu ili, tikuyang'ana pa zoyambira za kamangidwe ka ulusi, ndikufufuza zofunikira zomwe zimasiyanitsa ulusi umodzi ndi wina.Kuchokera pa jenda la ulusi kufika pa kuphatikana kwawo, ndi kuchokera pa machulukidwe ake mpaka m’mimba mwake, timavumbula zinthu zofunika kwambiri zomwe zimapanga ulusi kukhala wodabwitsa koma wosaiwalika kaŵirikaŵiri wa uinjiniya.

Yang'anani tsatanetsatane motsatira pamene tikuwulula dziko lodabwitsa la ulusi, kukupatsirani kumvetsetsa koyambira kofunikira kwa onse omwe ali ndi chidwi komanso akatswiri odziwa ntchito.

Mawu ena ofunikira a Thread

Kugwiritsa ntchito mawu oti amuna kapena akazi kungayambitse malingaliro oyipa komanso kupangitsa kuti anthu azikhala odzipatula.Pogwiritsa ntchito mawu osalowerera ndale monga "zakunja" ndi "zamkati" ulusi, titha kukhala ophatikizana ndikupewa kukondera kosafuna.

* Kulondola:Chifanizirocho chimasweka kwambiri poganizira mafomu osakhala a binary ndi ntchito.

Ndikofunikira kukhala olondola komanso ophatikiza muchilankhulo chaukadaulo.

* Njira Zina:Pali kale mawu omveka bwino komanso odziwika bwino amikhalidwe ya ulusi:

* Ulusi wakunja:Ulusi kunja kwa gawo.

* Ulusi wamkati:Ulusi mkati mwa gawo.

* Diameter yayikulu:Chigawo chachikulu cha ulusi.

* Chigawo chaching'ono:Chochepa kwambiri cha ulusi.

* Kuyimba:Mtunda pakati pa mfundo ziwiri zofananira pa ulusi woyandikana.

Kugwiritsa ntchito mawuwa kumapereka chidziwitso cholondola komanso chodziwika bwino popanda kudalira mafananidwe omwe angakhale oopsa.

Ulusi umagwiritsidwa ntchito muzophatikiza zosefera

Zosefera za Sintered zimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana pazolinga zosefera.Amapangidwa polumikiza ufa wachitsulo pamodzi kudzera mu njira yochizira kutentha yotchedwa sintering.Izi zimapanga cholimba, chobowola chomwe chimatha kusefa bwino tinthu tamadzimadzi kapena mpweya.

Ulusi umagwiritsidwa ntchito popanga zosefera kulumikiza zigawo zosiyanasiyana palimodzi.Nazi zitsanzo zenizeni za momwe ulusi umagwiritsidwira ntchito mu sintered filter assemblies:

* Zosefera zomaliza za cartridge:

Makatiriji ambiri osefera a sintered ali ndi zipewa zomata zomwe zimawalola kuti azikhomedwa muzosefera.

Izi zimapanga chisindikizo chotetezedwa ndikuletsa kutayikira.

* Zosefera zolumikizira nyumba:

Nyumba zosefera nthawi zambiri zimakhala ndi madoko omwe amawalola kulumikizidwa ndi mapaipi kapena zida zina.

Izi zimathandiza kukhazikitsa kosavuta ndi kuchotsedwa kwa msonkhano wa fyuluta.

 

* Zoseferatu:

Zosefera zina zimagwiritsa ntchito zosefera zosefera kuti zichotse zazikulu zisanafike pasefa.

Zosefera zoyamba izi zitha kukulungidwa m'malo ake pogwiritsa ntchito ulusi.

Zosefera muzophatikiza zosefera za sintered

* Madoko a Drainage:

Nyumba zina zosefera zili ndi madoko otulutsa madzi omwe amalola kuchotsa madzi osonkhanitsidwa kapena mpweya.

 

Mtundu weniweni wa ulusi womwe umagwiritsidwa ntchito pagulu la fyuluta udzadalira momwe zimagwiritsidwira ntchito komanso kukula kwa fyuluta.Mitundu yodziwika bwino ya ulusi imaphatikizapo NPT, BSP, ndi Metric.

Kuphatikiza pazitsanzo zomwe zili pamwambapa, ulusi utha kugwiritsidwanso ntchito pazolinga zina pamisonkhano yamasefa ya sintered, monga:

* Kuphatikiza masensa kapena geji

* Kuyika mabatani

* Kuteteza zida zamkati

Ponseponse, ulusi umagwira ntchito yofunikira pakuwonetsetsa kuti ntchito ndi magwiridwe antchito a sintered fyuluta.

Pamapeto pake, kusankha kwa terminology kuli ndi inu.

Komabe, ndikukulimbikitsani kuti muganizire zomwe zingakhudze kugwiritsa ntchito zilankhulo za amuna kapena akazi komanso ubwino wogwiritsa ntchito njira zosalowerera ndale komanso zophatikiza.

Manja a Threads

Chifukwa chiyani ulusi wakumanja uli wofala kwambiri?

* Palibe chifukwa chenicheni cha mbiri yakale, koma ziphunzitso zina zimasonyeza kuti zikhoza kukhala chifukwa cha kukondera kwachilengedwe kwa anthu ambiri kukhala ndi dzanja lamanja, zomwe zimapangitsa kuti zikhale zosavuta kumangitsa ndi kumasula ulusi wakumanja ndi dzanja lawo lolamulira.

* Ulusi wa kudzanja lamanja umakondanso kudzilimbitsa wokha ukagwidwa ndi mphamvu zozungulira mofanana ndi kumangirira (mwachitsanzo, bawuti pa gudumu lopota).

Kugwiritsa ntchito ulusi wakumanzere:

Monga momwe mwafotokozera, ulusi wakumanzere umagwiritsidwa ntchito nthawi zambiri pamene kumasuka chifukwa cha kugwedezeka kapena mphamvu zozungulira kumakhala nkhawa,

monga: Amagwiritsidwanso ntchito pazida ndi zida zapadera pomwe njira ina yozungulira ikufunika kuti igwire ntchito.

* Mabotolo amafuta: Kupewa kutsegulidwa mwangozi chifukwa cha kupanikizika kwakunja.
* Njinga za Pedal: Kumanzere kuti zisasunthe chifukwa cha kuzungulira kwa gudumu.
* Kusokoneza kumakwanira: Kupanga cholimba, chotetezeka kwambiri chomwe chimakana disassembly.

Kuzindikiritsa ulusi handedness:

* Nthawi zina ulusi wolunjika amalembedwa mwachindunji pa chomangira (mwachitsanzo, "LH" kumanzere).

* Kuyang'ana mbali ya ulusi kuchokera kumbali kumatha kuwulula kolowera:

1.Zingwe zakumanja zimatsetsereka kumanja (monga wononga chokwera phiri).

2. Zingwe za kumanzere zimatsetsereka kumanzere.

Kufunika kopereka m'manja muzosefera za sintered komanso kugwiritsa ntchito wamba.

Kugwira dzanja, ponena za komwe ulusi umayenda (molunjika kapena motsata wotchi), ndikofunikira kwambiri pazosefera za sintered pazifukwa zingapo:

Kutseka ndi Kuteteza Kutuluka:

* Kumangitsa ndi Kumasula: Kugwira bwino m'manja kumatsimikizira kuti zigawozo zimakhazikika bwino zikatembenuzidwira komwe mukufuna ndikumasula mosavuta pakafunika.Ulusi wosagwirizana ukhoza kumangitsa kwambiri, kuwononga fyuluta kapena nyumba, kapena kumangitsa kosakwanira, kumayambitsa kutayikira.

* Kuwombera ndi Kulanda: Njira yolakwika ya ulusi imatha kuyambitsa mikangano, kupangitsa kuti zigawo zikhale zovuta kapena zosatheka kuzilekanitsa.Izi zitha kukhala zovuta kwambiri pakukonza kapena kusintha zosefera.

Standardization ndi Kugwirizana:

• Kusinthana: Kupatsirana kwa ulusi wokhazikika kumalola kuti zinthu zosefera zikhale zosavuta kapena zokhala ndi zigawo zogwirizana, posatengera wopanga.Izi zimathandizira kukonza ndikuchepetsa ndalama.
• Malamulo a Makampani: Mafakitale ambiri ali ndi malamulo enieni okhudza kuperekedwa kwa ulusi pamakina ogwiritsira ntchito madzimadzi pazifukwa zachitetezo ndi magwiridwe antchito.Kugwiritsa ntchito ulusi wosatsatira kumatha kuphwanya malamulo ndikubweretsa zoopsa zachitetezo.

Kugwiritsa Ntchito Nthawi zambiri ndi Manja:

• Zosefera Mapeto a Cartridge: Nthawi zambiri mumagwiritsa ntchito ulusi wakumanja (kumanja kwa wotchi kuti mumangire) kuti mulumikizane ndi zosefera.
• Zosefera Zolumikizira Panyumba: Nthawi zambiri tsatirani miyezo yamakampani, yomwe nthawi zambiri imatchula ulusi wakumanja wolumikizira mapaipi.
• Zosefera zosefera: Atha kugwiritsa ntchito ulusi wakumanja kapena kumanzere kutengera kapangidwe kake komanso komwe amayendera madzi.
• Madoko a Ngalande: Nthawi zambiri amakhala ndi ulusi wakumanja kuti atseguke mosavuta komanso kutseka kukhetsa madzi.

Tikukhulupirira kuti chidziwitsochi chingakuthandizeni kumvetsetsa zambiri za ulusi!

Ulusi Design

Ulusi wofanana komanso wopendekera umakhala ndi gawo lofunikira pamagwiritsidwe osiyanasiyana, iliyonse ili ndi zabwino zake komanso ntchito zake.Kuti muwonjezere kuzama kukufotokozera kwanu, nazi mfundo zina zomwe mungaganizire:

1. Njira Zosindikizira:

* Mitundu Yofananira:

Nthawi zambiri amadalira zisindikizo zakunja monga ma gaskets kapena O-ringing kuti azitha kutulutsa.

Izi zimathandiza kusonkhanitsa mobwerezabwereza ndi kusokoneza popanda kuwononga ulusi.

* Mitundu Yopangidwa:

Amapanga cholumikizira cholimba, chodzisindikiza chokha chifukwa cha kuchitapo ma wedge pamene akulowetsedwamo.

Izi zimawapangitsa kukhala abwino kwa ntchito zothamanga kwambiri monga mapaipi ndi zolumikizira.

Komabe, kumangitsa kwambiri kumatha kuwononga ulusi kapena kupangitsa kuti zikhale zovuta kuchotsa.

2. Miyezo Yofanana:

* Mitundu Yofananira:

Izi zikuphatikiza milingo ngati Unified Thread Standard (UTS) ndi ulusi wa Metric ISO.

Ndiwofala pazantchito zambiri monga mabawuti, zomangira, ndi mtedza.

* Mitundu Yopangidwa:

National Pipe Thread (NPT) ndi British Standard Pipe Thread (BSPT)

amagwiritsidwa ntchito kwambiri mu ma plumbing ndi machitidwe amagetsi amadzimadzi.

Mapulogalamu:

* Ulusi Wofanana: Amagwiritsidwa ntchito popanga mipando, zamagetsi, makina, ndi ntchito zina zosiyanasiyana komwe kumafunika kutulutsa pafupipafupi komanso kusindikiza zisindikizo zoyera.
* Ulusi Wopangidwa ndi Tapered: Oyenera kuyika mapaipi, ma hydraulic, ma pneumatic system, ndi kugwiritsa ntchito kulikonse komwe kumafunikira kulumikizidwa kosadukiza popanikizika kapena kugwedezeka.

Mfundo zowonjezera:

* Miyezo ina ya ulusi ngati BSPP (British Standard Pipe Parallel) imaphatikiza mawonekedwe ofananawo ndi mphete yosindikizira pamalumikizidwe osadukiza.
* Kukula kwa ulusi (mtunda pakati pa ulusi) ndi kuya kwa ulusi kumakhalanso ndi gawo lofunikira pakulimba kwa ulusi ndi magwiridwe antchito.

Kufunika kwa mtundu uliwonse wa kapangidwe ka ulusi muzosefera zachitsulo za sintered.

Ngakhale mapangidwe a ulusi pawokha si amtundu wa fyuluta, amathandizira kwambiri magwiridwe antchito ndi magwiridwe antchito a sintered zitsulo zosefera.Umu ndi momwe mitundu yosiyanasiyana ya ulusi imakhudzira zosefera zazitsulo za sintered:

Common Thread Designs:

* NPT (National Pipe Thread): Imagwiritsidwa ntchito kwambiri ku North America pakugwiritsa ntchito mapaipi wamba.Amapereka chisindikizo chabwino ndipo amapezeka mosavuta.
* BSP (British Standard Pipe): Yodziwika ku Europe ndi Asia, yofanana ndi NPT koma yosiyana pang'ono.Chofunika kwambiri kuti chigwirizane ndi miyezo yoyenera.
* Metric Threads: Yokhazikika padziko lonse lapansi, yopereka njira zokulirapo za ulusi pazofuna zinazake.
* Ulusi Wina Wapadera: Kutengera kugwiritsa ntchito, mapangidwe apadera a ulusi ngati SAE (Society of Automotive Engineers) kapena JIS (Japanese Industrial Standards) angagwiritsidwe ntchito.

Kufunika Kwamapangidwe Amtundu:

* Kusindikiza ndi Kuteteza Kutayikira: Kupanga koyenera kwa ulusi kumatsimikizira kulumikizana kolimba, kuteteza kutayikira ndikusunga kukhulupirika kwa fyuluta.Ulusi wosagwirizana ungayambitse kutayikira, kusokoneza magwiridwe antchito komanso zomwe zingayambitse ngozi.

* Assembly ndi Disassembly: Mapangidwe osiyanasiyana a ulusi amapereka mosavuta kusonkhana ndi kusokoneza.Zinthu monga kukwera kwa ulusi ndi zofunikira za mafuta ziyenera kuganiziridwa kuti zisamalidwe bwino.

* Kukhazikika ndi Kugwirizana: Zingwe zokhazikika ngati NPT kapena Metric zimatsimikizira kuti zimagwirizana ndi zosefera wamba ndi makina apaipi.Kugwiritsa ntchito ulusi wosavomerezeka kumatha kuyambitsa zovuta zofananira ndikusokoneza kusintha.

* Kuwongolera Mphamvu ndi Kupanikizika: Kapangidwe ka ulusi kumakhudza mphamvu ndi kuthekera kothana ndi kukakamizidwa pagulu lazosefera.Mapulogalamu oponderezedwa kwambiri angafunike mitundu ina ya ulusi yokhala ndi kukhudzidwa kozama kuti athe kugawa bwino katundu.

Kusankha Ulusi Woyenera:

* Zofunikira pakugwiritsa ntchito: Ganizirani zinthu monga kuthamanga kwa ntchito, kutentha, kuyenderana kwamadzimadzi, komanso ma frequency omwe mukufuna kusonkhana / kuphatikizira.

* Miyezo Yamafakitale: Tsatirani miyezo ndi malamulo amakampani okhudzana ndi dera lanu kapena ntchito.

* Kugwirizana: Onetsetsani kuti zikugwirizana mopanda msoko ndi zosefera, makina a mapaipi, ndi magawo omwe angasinthidwe.

* Kugwiritsa Ntchito Mosavuta: Yendetsani kufunikira kwa chisindikizo chotetezeka ndikuchikonza mosavuta ndikusintha mtsogolo.

Kumbukirani, ngakhale mapangidwe a ulusi samalumikizana mwachindunji ndi mtundu wa fyuluta yachitsulo ya sintered, ndi chinthu chofunikira kwambiri pakuchita bwino komanso kukhulupirika kwa gulu lazosefera.Sankhani kamangidwe ka ulusi koyenera malinga ndi zosowa zanu zenizeni ndipo ganizirani kufunsana ndi katswiri wazosefera kuti akutsogolereni.

Pitch ndi TPI

* Pitch: Kuyezedwa mu mamilimita, ndi mtunda kuchokera pa ulusi umodzi kupita ku wina.
* TPI (Threads Per Inch): Amagwiritsidwa ntchito ngati ulusi wa inchi, kusonyeza kuchuluka kwa ulusi pa inchi imodzi yautali.

Ubale pakati pa Pitch ndi TPI:

* Amayesa chinthu chomwecho (kuchulukira kwa ulusi) koma m'mayunitsi osiyanasiyana ndi machitidwe oyezera.
1. TPI ndi kubwereza kwa phula: TPI = 1 / Pitch (mm)
2. Kutembenuka pakati pawo kuli kolunjika;Kutembenuza TPI kukhala phula: Pitch (mm) = 1 / TPI
Kutembenuza phula kukhala TPI: TPI = 1 / Pitch (mm)

Kusiyana Kwakukulu:

* Chigawo choyezera: Pitch imagwiritsa ntchito mamilimita (metric system), pomwe TPI imagwiritsa ntchito ulusi pa inchi (imperial system).
* Kugwiritsa Ntchito: Pitch imagwiritsidwa ntchito ngati zomangira ma metric, pomwe TPI imagwiritsidwa ntchito pazomangira zoyambira mainchesi.

Kumvetsetsa Kuchulukana kwa Ulusi:

* Onse phula ndi TPI amakuwuzani momwe ulusiwo uliri wokhazikika pa chomangira.

* Kutsika kwapansi kapena kumtunda kwa TPI kumatanthawuza ulusi wambiri pautali wa unit, zomwe zimapangitsa ulusi wabwino kwambiri.

* Ulusi wabwino kwambiri umapereka:

1. Kukana mwamphamvu kumasula chifukwa cha kugwedezeka kapena torque.
2. Kukwanitsa kusindikiza kosindikiza kukagwiritsidwa ntchito ndi zolumikizira zoyenera.
3. Kuchepetsa kuwonongeka kwa ulusi wokweretsa panthawi ya msonkhano ndi disassembly

Komabe, mitundu yabwino kwambiri ikhoza kukhala:

* Khalani otengeka kwambiri pakudutsa ulusi kapena kuvula ngati sikunayende bwino.

* Pamafunika mphamvu zambiri kuti mumange ndi kumasula.

Kusankha Ulusi Woyenera:

* Kugwiritsa ntchito kwina ndi zofunikira zake zimatsimikizira mayendedwe oyenera kapena TPI.

* Zinthu monga mphamvu, kukana kugwedezeka, zosowa zosindikizira, komanso kumasuka kwa kusonkhana / kusanja ziyenera kuganiziridwa.

* Kuyang'ana miyezo yoyenera ndi malangizo a uinjiniya ndikofunikira pakusankha ulusi woyenera pazosowa zanu.

Diameter

Ulusi uli ndi ma diameter atatu ofunika:

* Diameter Yaikulu: Kukula kwakukulu kwa ulusi, kuyeza pamiyendo.

* Diyamita Yaing’ono: Kamng’ono kakang’ono kwambiri, koyezedwa pamizu.

* Pitch Diameter: Kuzama kwamalingaliro pakati pa mainchesi akulu ndi ang'onoang'ono.

Kumvetsetsa Diameter Iliyonse:

* Diameter Yaikulu: Ili ndiye gawo lofunikira kwambiri pakuwonetsetsa kuti ulusi wokweretsa umagwirizana (mwachitsanzo, bawuti ndi nati).Maboti ndi mtedza wokhala ndi mainchesi akulu akulu azigwirizana, mosasamala kanthu za phula kapena mawonekedwe a ulusi (ofanana kapena opendekera).

* Diameter yaying'ono: Izi zimakhudza kulimba kwa ulusi.Chidutswa chaching'ono chokulirapo chimawonetsa zinthu zambiri komanso mphamvu zokulirapo.

* Pitch Diameter: Uwu ndi m'mimba mwake momwe ulusi umakhala ndi zinthu zofanana pamwamba ndi pansi.Zimagwira ntchito yofunika kwambiri pakuwerengera mphamvu za ulusi ndi zinthu zina zaumisiri.

Ubale pakati pa Diameters:

* Ma diameter amagwirizana ndi mbiri ya ulusi ndi phula.Miyezo yosiyana ya ulusi (mwachitsanzo, metric ISO, Unified National Coarse) imakhala ndi maubwenzi enieni pakati pa ma diameter awa.

* Pitch diameter itha kuwerengedwa pogwiritsa ntchito ma formula motengera mainchesi akulu ndi ang'onoang'ono, kapena kupezeka m'matebulo ofotokozera pamiyezo inayake ya ulusi.

Kufunika kwa Kumvetsetsa Diameters:

* Kudziwa kukula kwake ndikofunikira pakusankha zomangira zomwe zimagwirizana.

* Chigawo chaching'ono chimakhudza mphamvu ndipo chikhoza kukhala chofunikira pamapulogalamu ena omwe ali ndi katundu wambiri.

* Pitch diameter ndiyofunikira pakuwerengera uinjiniya ndikumvetsetsa mawonekedwe a ulusi.

Mfundo Zowonjezera:

* Miyezo ina ya ulusi imatanthauzira ma diameter owonjezera ngati "root diameter" pazifukwa zinazake.

* Mafotokozedwe a kulolerana kwa ulusi amatsimikizira kusiyanasiyana kovomerezeka mu diameter iliyonse kuti igwire bwino ntchito.

Ndikukhulupirira kuti chidziwitsochi chikufotokozeranso maudindo ndi kufunikira kwa ma diameter osiyanasiyana!Khalani omasuka kufunsa ngati muli ndi mafunso ena.

ngodya

* Flank Angle: Mlingo wapakati pa ulusi wammbali ndi mzere wa perpendicular ku axis.

* Taper Angle: Zachindunji pa ulusi wopindika, ndiye ngodya pakati pa taper ndi axis yapakati.

Flank Angle:

* Nthawi zambiri, makona am'mbali amakhala ofanana (kutanthauza kuti mbali zonse ziwiri zimakhala ndi ngodya yofanana) komanso zokhazikika pamtundu wonse wa ulusi.

* Mbali yodziwika bwino ya m'mbali ndi 60 °, yogwiritsidwa ntchito mumiyezo ngati Unified Thread Standard (UTS) ndi ulusi wa Metric ISO.

* Ma angles ena okhazikika a m'mbali amaphatikizapo 55 ° (ulusi wa Whitworth) ndi 47.5 ° (ulusi wa British Association).

* Flank angle imakhudza:**1. Mphamvu: Makona akulu nthawi zambiri amapereka mphamvu yolimba ya torque koma salola kusanja molakwika.
2. Kukangana: Tiang'onoting'ono timapangitsa kuti tigwirizane pang'ono koma zikhoza kusokoneza luso lodzitsekera.
3. Chip mapangidwe: Flank angle imakhudza momwe zida zodulira zimapangira ulusi mosavuta.

Taper Angle:

* Ngodya imeneyi imatanthawuza kuchuluka kwa kusintha kwa m'mimba mwa ulusi wopendekera.

* Makona a taper wamba akuphatikizapo 1:16 (National Pipe Thread - NPT) ndi 1:19 (British Standard Pipe Thread - BSPT).

* Taper angle imatsimikizira kulumikizana kolimba, kodzisindikiza kokha pamene ulusi umakanirana wina ndi mzake ukamanga.

*Ndikofunikira kuti ulusi wopendekera ukhale ndi ngodya yoyenera yofananira ndi chisindikizo chosadukiza.

Mgwirizano Pakati pa Angles:

* Mu ulusi wosadulidwa, ngodya ya m'mbali ndiyo yokhayo yoyenera.

* Pa ulusi wopindika, mbali zonse ziwiri zakumbali ndi taper zimagwira ntchito:

1. Mbali ya m'mbali imatsimikizira mbiri ya ulusi woyambira ndi zomwe zimagwirizanitsa.
2. Ngodya ya taper imatanthawuza kuchuluka kwa kusintha kwa m'mimba mwake ndipo imakhudza mawonekedwe osindikiza.

Crest ndi Muzu

* Crest: Mbali yakunja ya ulusi.

* Muzu: Mbali yamkati, kupanga maziko a danga la ulusi.

Pamwambapa ndikungotanthauza chiyambi ndi muzu wa ulusi.

Ngakhale malo awo mkati mwa ulusi amawoneka ophweka, amatenga mbali zofunika kwambiri pazochitika zosiyanasiyana za ulusi ndi mapangidwe.

Nazi zina zomwe mungasangalale nazo:

Crest:

*Awa ndi m'mphepete mwa ulusi, kupanga polumikizana ndi ulusi wake wokwerera.

* Mphamvu ndi kukhulupirika kwa crest ndizofunikira kwambiri pakunyamula katundu wogwiritsidwa ntchito komanso kukana kuvala.

* Kuwonongeka kwa ulusi, ma burrs, kapena kusakwanira pagulu kumatha kusokoneza mphamvu ndi magwiridwe antchito ake.

Muzu:

*Zomwe zili pansi pa ulusi, zimapanga maziko a danga pakati pa ulusi woyandikana.

*Kuzama ndi mawonekedwe a muzu ndi ofunikira pazinthu monga:

1. Mphamvu: Muzu wozama umapereka zinthu zambiri zonyamula katundu ndi mphamvu zowonjezera.
2. Chilolezo: Kuchotsa mizu yokwanira kumafunika kuti pakhale zinyalala, zothira mafuta, kapena kusiyanasiyana kopanga.
3. Kusindikiza: Muzojambula zina za ulusi, mbiri ya mizu imathandizira kusindikiza kukhulupirika.

Kugwirizana pakati pa Crest ndi Root:

*Kutalikirana pakati pa chiwombankhanga ndi mizu kumatanthawuza kuya kwa ulusi, komwe kumakhudza mwachindunji mphamvu ndi zina.

*Maonekedwe ake ndi makulidwe ake onse a crest ndi mizu zimatengera mulingo wa ulusi (monga metric ISO, Unified Coarse) ndi momwe amagwirira ntchito.

Malingaliro ndi Magwiritsidwe:

* Miyezo ya ulusi ndi mafotokozedwe nthawi zambiri amatanthawuza kulolerana kwa mizere ndi mizu kuti zitsimikizire magwiridwe antchito oyenera komanso kusinthasintha.

* M'mapulogalamu okhala ndi katundu wambiri kapena kuvala, mbiri ya ulusi yokhala ndi ma crests olimbikitsidwa ndi mizu imatha kusankhidwa kuti ikhale yolimba.

*Njira zopangira ndi kuwongolera zabwino ndizofunikira pakuwonetsetsa kuti ma crests osalala, osawonongeka komanso mizu pamafasteners.

Ndikukhulupirira kuti chidziwitso chowonjezerachi chikuwonjezera kuya pakumvetsetsa kwanu za maudindo ndi kufunikira kwa crest ndi mizu mu ulusi.Khalani omasuka kufunsa ngati muli ndi mafunso ena kapena mitu ina yokhudzana ndi kapangidwe ka ulusi komwe mungafune kufufuza!

Makulidwe a Mitundu ya Ulusi

Nawa tsatanetsatane wa miyeso ya mitundu yodziwika bwino yomwe mudatchula, pamodzi ndi zithunzi kuti muwone bwino:

M - ISO Thread (Metric):

*ISO 724 (DIN 13-1) (Ulusi Wowoneka):

1. Chithunzi:

2. Kusiyanasiyana kwakukulu: 3 mm mpaka 300 mm

3. Phula lamtundu: 0.5 mm mpaka 6 mm

4. Ngodya ya ulusi: 60 °

*ISO 724 (DIN 13-2 mpaka 11) (Ulusi Wabwino):

1. Chithunzi:

2. Kusiyanasiyana kwakukulu: 1.6 mm mpaka 300 mm

3. Phula lamtundu: 0.25 mm mpaka 3.5 mm
4. Ngodya ya ulusi: 60 °

NPT - Ulusi wa Chitoliro:

*NPT ANSI B1.20.1:

1. Chithunzi:

2. Ulusi wokhotakhota wolumikizira mapaipi
3. Kutalika kwakukulu: 1/16 inchi mpaka 27 mainchesi
4. Ngongole: 1:16

*NPTF ANSI B1.20.3:

1. Chithunzi:

2. Zofanana ndi NPT koma zokhala ndi ma crests ophwanyika ndi mizu kuti asindikize bwino
3. Miyeso yofanana ndi NPT

G/R/RP - Whitworth Thread (BSPP/BSPT):

*G = BSPP ISO 228 (DIN 259):

1. Chithunzi:

2. Parallel chitoliro ulusi
3. Kusiyanasiyana kwakukulu: 1/8 inchi mpaka 4 mainchesi
4. Ngodya ya ulusi: 55 °

*R/Rp/Rc = BSPT ISO 7 (DIN 2999 yasinthidwa ndi EN10226):

1.Chithunzi:

2. Ulusi wa chitoliro chojambulidwa
3. Kusiyanasiyana kwakukulu: 1/8 inchi mpaka 4 mainchesi
4. mbali imodzi: 1:19

UNC/UNF - Ulusi Wadziko Logwirizana:

*Unified National Coarse (UNC):

1. Mmodzi:

2. Zofanana ndi M Coarse Thread koma ndi miyeso yotengera inchi
3. Kusiyanasiyana kwakukulu: 1/4 inchi mpaka 4 mainchesi
4. Ulusi pa inchi (TPI) osiyanasiyana: 20 mpaka 1

*Unified National Fine (UNF):

1. Chithunzi:

2. Zofanana ndi M Fine Thread koma zokhala ndi miyeso yotengera inchi
3. Kusiyanasiyana kwakukulu: 1/4 inchi mpaka 4 mainchesi
4. TPI osiyanasiyana: 24 mpaka 80

Zomwe zili pamwambazi zimapereka chidule cha miyeso yamtundu uliwonse wa ulusi.koma miyeso yeniyeni imatha kusiyanasiyana malinga ndi muyezo ndi kagwiritsidwe ntchito.Mutha kupeza matebulo ndi miyeso yatsatanetsatane m'makalata oyenerera monga ISO 724, ANSI B1.20.1, ndi zina.

Khalani omasuka kufunsa ngati muli ndi mafunso ena kapena mukufuna zambiri zamitundu kapena miyeso ya ulusi!

SUM

Blog iyi timapereka chiwongolero chokwaniraulusi kupanga, ndikofunikira kumvetsetsa momwe zida zamakina ndi mainjiniya zimayenderana.

Imafotokoza mfundo zazikuluzikulu za jenda, kuzindikiritsa ulusi wamwamuna ndi wamkazi komanso momwe angagwiritsire ntchito muzosefera za sintered.komanso timafotokozera za kumanja kwa ulusi, ndikuwunikira kuchuluka kwa ulusi wakumanja pamapulogalamu ambiri.

Zidziwitso zatsatanetsatane zimaperekedwa mu kapangidwe ka ulusi, kuyang'ana kwambiri ulusi wofanana ndi wopendekera, komanso kufunikira kwake muzosefera zosefera.
Chifukwa chake bukhuli ndilofunikira kuwerengedwa kwa aliyense amene akufuna kumvetsetsa zovuta zamapangidwe a ulusi muzosefera za sintered.Komabe, Ndikukhulupirira kuti ikuthandizani

kudziwa ulusi ndikusankha ulusi woyenera m'tsogolomu, wapadera kwa makampani a sintered fyuluta.