Muna amfani da kukis don inganta ƙwarewar ku.Ta ci gaba da bincika wannan rukunin yanar gizon, kun yarda da amfani da kukis.Karin bayani dagaFarashin mai PTFE
Nemo ingantattun hatimai don filaye masu ƙarfi ya kasance babban ƙalubale tsawon shekaru da yawa har ma da ƙarni, kuma ya ƙara zama ƙalubale tun zuwa da haɓakar motoci, jiragen sama, da injuna na zamani.
A yau, ana ƙara amfani da ma'aunin zafin jiki irin su polytetrafluoroethylene (PTFE) hatimin leɓe (wanda aka fi sani da rotary shaft seals).
A cikin wannan labarin, za mu dubi rayuwar babban hatimin leɓe mai jujjuyawar PTFE da juyin halittar sa akan lokaci.
Kowane “babban jarumi” yana da labarin asali.Hakanan ya shafi PTFE hatimin lebe.Majagaba na farko sun yi amfani da igiya, rawhide, ko bel mai kauri a matsayin wasu abubuwan hatimi na farko ko abubuwan da aka hatimi a kan gatari.Koyaya, waɗannan hatimin suna da saurin zubewa kuma suna buƙatar kulawa akai-akai.Yawancin kamfanonin hatimin elastomeric na yau sun kasance masana'antar fatu.
A cikin ƙarshen 1920s, an yi hatimin radial na farko da aka yi daga fata da akwatunan ƙarfe tare da kayan ɗamara.A ƙarshen 1940s, fata ya fara maye gurbin fata da roba.Bayan shekaru 40, masana'antun da yawa sun fara sake tunani gabaɗayan tsarin hatimin su, galibi suna haɗa saman hatimin a cikin taron hatimi da yin amfani da leɓuna da yawa tare da maki a tsaye da a kwance.
Fluorocarbon daya ne irin wannan masana'anta.A cikin 1982, Fluorocarbon ya sami SealComp, sannan ƙaramin kasuwancin kera hatimin leɓe mallakar dangi wanda ke Michigan.Bayan sayan, Kamfanin Fluorocarbon ya ƙaura SealComp zuwa wata shuka a Kudancin Carolina don samar da hatimin ƙarfe don masana'antar nukiliya da masana'antar petrochemical.
Wannan sabuwar sana’ar hatimin leɓo ta ƙware a fanfunan ruwa da injina masu ɗaukar nauyi, kayan aikin soja da sauran kayayyakin kasuwanci da suka haɗa da manyan motocin dizal crankshaft seals da thermostats.
A tsakiyar 1990s, Kamfanin Fluorocarbon ya canza suna zuwa Furon kuma BD SEALS Solutions™ ya samu shi a cikin 2001. Wannan yana ƙara Furon zuwa BD SEALS Solutions™'s riga mai ƙarfi kasuwancin hatimin bazara, wanda aka kafa a 1955.
A cikin 1995, an ƙara tef ɗin elastomeric zuwa diamita na waje na hatimin leɓe na BD SEALS Solutions™.Anyi wannan ne don kawar da latsa ƙarfe-zuwa-ƙarfe da tabbatar da hatimi mai tsauri tsakanin hatimin da hatimin jikin abokin ciniki.An ƙara ƙarin fasalulluka don cire hatimi da tsayawa mai aiki don gano hatimin da hana shigar da ba daidai ba.
Akwai kamanceceniya da yawa, amma kuma da yawa bambance-bambance, tsakanin elastomeric roba hatimin lebe da BD SEALS PTFE.
A tsari, duka hatimin sun yi kama da juna ta yadda suke amfani da jikin karfe da aka matse a cikin hatimin jikin tsaye da kayan lefen da ba ya jurewa da gogewa da igiyar juyawa.Suna kuma amfani da adadin sarari iri ɗaya lokacin da ake amfani da su.
Elastomeric leben hatimin su ne hatimin shaft na yau da kullun akan kasuwa kuma ana ƙera su kai tsaye zuwa cikin gidaje na ƙarfe don samar da ƙarfin da ake buƙata.Yawancin hatimin roba na elastomeric suna amfani da tsawaita bazara azaman hanyar ɗaukar kaya don tabbatar da hatimin hatimi.Yawanci maɓuɓɓugar ruwa yana samuwa ne kawai a sama da ma'anar lamba tsakanin hatimi da shaft, yana ba da ƙarfin da ya dace don karya fim din mai.
A mafi yawan lokuta, PTFE hatimin lebe ba sa amfani da tsawaita bazara don hatimi.Maimakon haka, waɗannan hatimin suna amsa duk wani nauyin da aka yi amfani da shi ga shimfiɗar leɓen hatimi da radius na lanƙwasa wanda jikin ƙarfe ya ƙirƙira.Hatimin leɓe na PTFE yana amfani da tsarin tuntuɓar leɓe mai faɗi tsakanin leɓe da shaft fiye da hatimin leɓen elastomeric.PTFE hatimin lebe kuma suna da ƙananan ƙayyadaddun kaya, amma suna da yanki mai faɗi.An tsara ƙirar su don rage yawan lalacewa kuma an yi canje-canje don rage nauyin naúrar, wanda kuma aka sani da PV.
Aikace-aikace na musamman na hatimin leɓe na PTFE shine hatimin juzu'i na juyawa, musamman magudanar da ke jujjuya cikin sauri.Lokacin da yanayi ke da ƙalubale kuma ya wuce iyawar su, suna da kyakkyawan madadin ga hatimin roba na roba na elastomeric.
Mahimmanci, PTFE hatimin lebe an tsara su don cike gibin da ke tsakanin hatimin elastomeric na gargajiya da hatimin fuskar carbon na inji.Suna iya aiki a mafi girman matsi da sauri fiye da mafi yawan hatimin elastomeric, yana mai da su kyakkyawan madadin.
Ayyukansu ba su da lahani ta hanyar yanayi mai tsauri tare da matsanancin yanayin zafi, kafofin watsa labaru masu lalata, saurin saman ƙasa, matsa lamba ko rashin lubrication.Kyakkyawan misali na mafi girman iyawar PTFE sune masana'antun iska compressors, waɗanda aka ƙididdige su don yin aiki sama da sa'o'i 40,000 ba tare da kulawa ba.
Akwai wasu rashin fahimta game da samar da PTFE hatimin lebe.Elastomeric roba hatimin latsa roba kai tsaye a kan karfe gidaje.Jikin ƙarfe yana ba da ƙarfin da ake buƙata, kuma elastomer yana ɗaukar sashin aiki na hatimi.
Sabanin haka, PTFE hatimin lebe ba za a iya jefa kai tsaye a kan gidaje na karfe ba.Kayan PTFE baya shiga cikin yanayin ruwa ko yanayin da ke ba da damar kayan ya gudana;Don haka ana yin hatimin leɓo na PTFE ta hanyar sarrafa hatimin, sannan a haɗa shi cikin gidan ƙarfe, sannan a danne shi da injina.
Lokacin zabar madaidaicin bayani na hatimi don aikace-aikacen juyawa, mahimman abubuwan ciki har da saurin shaft, saurin saman, zafin aiki, matsakaicin rufewa, da matsa lamba na tsarin dole ne a yi la'akari da su a hankali.Akwai wasu sharuɗɗan aiki da yawa da za ku yi la'akari yayin yanke shawararku, amma waɗanda aka lissafa a sama sune manyan.
Tare da haƙƙoƙin yana da nauyi mai girma.A tsawon lokaci, mayar da hankali na BD SEALS Solutions™ ya koma aikace-aikacen da ke buƙatar ƙarin hatimin lebe na PTFE.Ɗayan mahimman fa'idodin hatimin shine ikonsa na yin aiki a cikin mahalli masu ƙalubale a masana'antu, motoci da aikace-aikacen sararin samaniya.
Suna iya aiki a matsi mafi girma da sauri akan jujjuyawar ramuka fiye da hatimin leɓe na elastomeric, kuma fa'idodin ba su tsaya nan ba.Sauran fa'idodin PTFE hatimin leɓe sun haɗa da:
BD SEALS Solutions™ Hatimin leɓe guda biyu na gama gari sune BD SEALS PTFE ƙarfe jikin jujjuya hatimin leɓe da hatimin DynaLip polymer, duka biyun suna musanyawa.Babban bambanci tsakanin su shine tsarin su.Hatimin gidaje na ƙarfe suna amfani da ƙarfen takarda don samar da mahalli mai rufe sannan a sanya leɓen hatimi don manne hatimin da injina.
An ƙirƙira shi a farkon 1970s, BD SEALS hatimin leɓe an ƙera su don yin aiki a cikin matsananciyar yanayi kama daga -53°C zuwa 232°C, matsananciyar sinadarai, da busassun mahalli.Ana amfani da hatimin rotary PTFE mai ƙarfi a cikin aikace-aikacen masu zuwa:
Hatimin DynaLip ya riga da BD SEALS rotary like da kusan shekaru goma.Ƙirƙirar su ta zama dole lokacin da BD SEALS Solutions™ ta fara aiki akan haɗawa da haɗa abubuwan fashewa don aikace-aikacen soja.An yi la'akari da hatimin leɓan ƙarfe na ƙarfe ba su dace da wannan dalili ba saboda yuwuwar haɗuwa da jujjuyawar jujjuyawar abubuwan fashewar.Shi ya sa injiniyoyin ƙira na BD SEALS Solutions™ suka haɓaka hatimin leɓe wanda ba shi da ƙarfe yayin da yake ci gaba da riƙe fa'idodinsa.
Lokacin amfani da hatimin DynaLip, an kawar da buƙatar sassa na ƙarfe gaba ɗaya saboda an yi hatimin duka daga kayan polymer iri ɗaya.A mafi yawan lokuta, elastomericO-ringana amfani da shi tsakanin diamita na waje na hatimi da maginin mahalli.O-rings suna ba da hatimi mai tsauri kuma suna hana juyawa.Sabanin haka, ana iya yin hatimin leɓo na BD SEALS daga abubuwa sama da uku kuma ana lulluɓe su a cikin gidan ƙarfe.
A yau, ainihin hatimin DynaLip ya haifar da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan)) da'_''''''''''''' '' '' '' '' '' '' a yau, a yau, ainihin hatimin DynaLip ya haifar da nau'o'in nau'i daban-daban waɗanda kuma suke da kyau don shigarwa na filin saboda basu buƙatar kayan aiki na musamman don shigarwa kuma sun dace da aikace-aikacen da ke buƙatar cire hatimin don tsaftacewa.Saboda ƙirar su mai sauƙi, waɗannan hatimin sau da yawa sun fi tattalin arziki.
Ta yaya BD SEAL PTFE hatimin lebe, DynaLip polymer seals da sauran hatimin lebe daga bd seals Solutions™ ke canza rayuwarmu ta yau da kullun?
PTFE lebe hatimi samar da m sealing Properties da low gogayya a bushe ko abrasive muhallin.Ana amfani da su sau da yawa a cikin hadaddun aikace-aikace inda ake buƙatar gudu.
Kasuwancin kwampreso na iska misali ne mai kyau na yadda PTFE hatimin lebe ke maye gurbin elastomeric da hatimin injin carbon.BD SEALS Solutions™ ya fara aiki tare da mafi yawan manyan kamfanonin kwampreso iska a tsakiyar 1980s, tare da maye gurbin hatimin leɓen roba mai yuwuwa da hatimin fuskar carbon.
Tsarin asali na asali ya dogara ne akan hatimin babban matsi na al'ada, amma bayan lokaci, yayin da buƙata ta ƙaru kuma ana buƙatar aiki mafi girma, an ƙera hatimin don samun raguwar sifili da tsawaita rayuwar sabis.
An haɓaka sabuwar fasahar zuwa rayuwar hatimi fiye da ninki biyu yayin da ake kiyaye magudanar ruwa a kowane lokaci.Sakamakon haka, Omniseal Solutions™ PTFE hatimin leɓe ana ɗaukar ma'aunin masana'antu, yana ba da sabis sama da 40,000 na sabis na kyauta.
Hatimin leɓe na PTFE yana ba da kulawar yabo mafi girma kuma suna da ikon yin aiki daga 1000 zuwa 6000 rpm tare da nau'ikan mai iri-iri kuma na tsawon lokaci (awanni 15,000), rage da'awar garanti.bd seals Solutions™ yana ba da hatimin shaft don masana'antar matsa lamba tare da diamita daga 0.500 zuwa 6000 inci (13 zuwa 150 mm).
Mixers wani yanki ne na masana'antu inda keɓance hatimi ya yadu.Abokan ciniki na BD SEALS Solutions™ a cikin wannan masana'antar suna buƙatar hatimai waɗanda za su iya ɗaukar jujjuyawar shaft da gudu har zuwa 0.300 in. (7.62 mm), wanda shine babban adadin kuzari mai ƙarfi.Don magance wannan matsalar da haɓaka saurin aiki, BD SEALS Solutions™ yana ba da ƙira mai hatimin hatimin leɓe.
bd seals leben hatimin suna da sauƙin shigarwa, suna biyan buƙatu masu tsauri na EPA, kuma sun dace da mai da mai sanyaya don amfani a cikin keɓaɓɓun wurare a duk tsawon rayuwar famfo.
Bugu da kari, an ƙera hatimin leɓe na Solutions™ don yanayin rufewa mai ƙarfi, matsananciyar gudu, matsalolin matsa lamba da zafin jiki, da sauran aikace-aikace masu yawa.
Hakanan ana amfani da hatimin su a cikin kayan aiki waɗanda ke buƙatar abubuwan da FDA ta amince da su don amfani da su a cikin injina kamar:
Duk waɗannan aikace-aikacen suna buƙatar juriya mai ƙarancin hatimi don rage zafin jiki.Baya ga saduwa da ka'idodin FDA, dole ne hatimi su kasance ba tare da ƙofofin da za su iya haifar da cunkoson kayan da ake rufewa ba, kuma dole ne su dace da acid, alkalis da abubuwan tsaftacewa.Hakanan dole ne su jure wa wankewar matsin lamba kuma su wuce gwajin IP69K.
bd seals Solutions ™ leɓo hatimin ana amfani da su a cikin raka'o'in wutar lantarki (APU), injin turbin gas, masu farawa, masu canzawa da janareta, famfo mai, injin turbin (RAT) da masu kunna wuta, ɗayan manyan kasuwanni.
An kunna APU akan Jirgin US Airways Flight 1549 ("Miracle on the Hudson") don ba da wutar lantarki ga jirgin don saukar da lafiya.BD SEALS Solutions™ lebe da hatimin bazara an sanya su a cikin ainihin tsarin jirgin, wanda ake ganin jirgin yana da mahimmanci kuma dole ne ya kasance yana aiki 100% yayin turawa.
Akwai dalilai da yawa da ya sa masana'antun sararin samaniya suka dogara da waɗannan hatimin leɓe.Keɓaɓɓen hatimin leɓe na BD SEALS na musamman yana ba da hatimi mai ƙarfi da ingantaccen aiki fiye da kwatankwacin hatimin elastomeric.Suna kuma buƙatar ƙasa da sarari fiye da hatimin injin carbon akan injin turbine da akwatunan gear na waje.
Suna iya jure yanayin zafi daga -65°F zuwa 350°F (-53°C zuwa 177°C) da matsa lamba har zuwa 25 psi (0 zuwa 1.7 mashaya), tare da saurin saman saman 2000 zuwa ƙafa 4000 a minti daya (10 zuwa 20m/s).Wasu mafita na bd seals™ Solutions™ a wannan yanki na iya aiki da sauri fiye da ƙafa 20,000 a cikin minti ɗaya, wanda yayi daidai da mita 102 a cikin daƙiƙa guda.
Wata babbar kasuwa ita ce hatimin injin jirgin, inda ake amfani da hatimin leɓe a cikin hatimin watsawa na waje ta manyan masana'antun injinan jiragen sama.bd seals Solutions™ ana kuma amfani da hatimin leɓe a cikin injunan jet na turbofan.Wannan nau'in injin yana sanye da tsarin kayan aiki wanda ke raba fanin injin daga ƙaramin matsa lamba da injin turbine, wanda ke ba kowane nau'i damar yin aiki cikin sauri mafi kyau.
Don haka, za su iya samar da ƙarin inganci.Jirgin sama na yau da kullun yana kona kusan rabin galan na man fetur a kowace mil, kuma ana sa ran injuna masu inganci za su yi tanadin matsakaicin dala miliyan 1.7 na farashin aiki kowane jirgin sama a kowace shekara.
Baya ga tallafawa masana'antun kasuwanci, ana kuma amfani da hatimin lebe na PTFE a cikin aikin soja, musamman ma ma'aikatar tsaro.Wannan ya haɗa da amfani da jiragen sama na yaƙi, masu ɗaukar jirgi da jirage masu saukar ungulu.
Ana amfani da hatimin leɓo PTFE a kan jirgin saman soja;Misali, a cikin magoya bayan dagawa a tsaye, hatimin akwatin motar helicopter da hatiminsu na bazara kuma ana amfani da su don sassan hatimin rotor, flaps da slats, da kayan aiki masu mahimmanci a tsarin birki da ake amfani da su don kama jirgin.Ya sauka akan bene.Yana da mahimmanci a tabbatar cewa kayan aikin da aka yi amfani da su don waɗannan dalilai ba su yi aiki ba.
BD SEALS Solutions™ hatimin leɓe sun dace da wasu aikace-aikacen mafi ƙalubale kamar crankshafts, masu rarrabawa, famfunan mai da hatimin cam ɗin da aka samu a cikin masana'antar tsere, inda galibi ana tura injina zuwa iyakar su.
Yawancin ƙungiyoyin NASCAR da injunan Motoci na Indianapolis suna amfani da BD SEALS Solutions™ hatimin leɓe.Kusan kowane mai cancanta da gamawa a Indianapolis a cikin 2019 sun yi amfani da hatimin lebe akan aƙalla gabansu da na baya.bd seals Solutions™ kuma yana da ƙirar ƙira da aka ƙirƙira musamman don NASCAR don kawar da matsalolin gama gari waɗanda ke haifar da gazawar hatimin PTFE.
Lokacin da hatimin ma'aunin crankshaft na injin ɗin ya ƙone da sauri da matsanancin matsin lamba yayin tseren kwanan nan a Daytona Superspeedway, babban mai kera injin NASCAR ya juya zuwa bd seals Solutions™ lebe.Sakamakon ya kasance nasara ga kowa da kowa: Brad Keselowski da mai lamba 2 Penske Ford sun lashe gasar ta hanyar amfani da bd seals Solutions™ lebe hatimi.Don ci gaba da inganta wannan taron da ya yi nasara, hudu daga cikin biyar na farko sun tuka motoci sanye da manyan injunan kera wadanda su ma suka ci gajiyar wadannan makullin lebe.
Wani aikace-aikacen tsere na BD SEALS Solutions™ hatimin leɓe yana cikin allurar man fetur na sama.Wadannan injuna suna fuskantar matsanancin yanayi inda kowane sashi ya lanƙwasa, girgiza da murɗawa, yana haifar da haɗuwa tsakanin sassan da bai kamata ya faru ba.Don haka, matsakaicin tsawon rayuwar mai allurar mai sama da ƙasa bai wuce minti biyar ba lokacin da aka yi amfani da shi a gudun tsere.
Lokacin aikawa: Oktoba-10-2023