Timagwiritsa ntchito makeke kuti tiwongolere luso lanu.Mukapitiliza kusakatula tsamba ili, mukuvomera kugwiritsa ntchito ma cookie.Zambiri kuchokeraPTFE mafuta chisindikizo
Kupeza zisindikizo zogwira ntchito pamalo osinthika kwakhala kovuta kwambiri kwazaka zambiri, ndipo kwakhala kovuta kwambiri kuyambira pakubwera ndi kupanga magalimoto, ndege, ndi makina apamwamba kwambiri.
Masiku ano, ma thermoplastics monga polytetrafluoroethylene (PTFE) lip seals (omwe amadziwikanso kuti rotary shaft seals) akugwiritsidwa ntchito kwambiri.
M'nkhaniyi, tiwona mwatsatanetsatane moyo wa PTFE rotary lip seal ndi kusinthika kwake pakapita nthawi.
Aliyense "wopambana" ali ndi mbiri yoyambira.Zomwezo zikugwiranso ntchito ku PTFE lip seals.Apainiya oyambirira ankagwiritsa ntchito zingwe, chikopa, kapena malamba okhuthala ngati zina mwa zisindikizo zoyamba kapena zomata pama axle amagudumu.Komabe, zisindikizozi zimatha kuchucha ndipo zimafunikira kukonzedwa pafupipafupi.Makampani ambiri amasiku ano a elastomeric seal anali kale opangira zikopa.
Chakumapeto kwa zaka za m'ma 1920, zosindikizira zoyambirira za milomo yozungulira zinapangidwa kuchokera ku zikopa ndi mabokosi achitsulo okhala ndi zomangira.Chakumapeto kwa zaka za m'ma 1940, chikopa chinayamba kusinthidwa ndi mphira wopangira.Pambuyo pa zaka 40, opanga ambiri akuyamba kuganiziranso njira yawo yonse yosindikizira, nthawi zambiri amaphatikiza malo osindikizira mumsonkhano wa chisindikizo ndikugwiritsa ntchito milomo yambiri yokhala ndi malo osakanikirana ndi opingasa.
Fluorocarbon ndi amodzi mwa opanga oterowo.Mu 1982, Fluorocarbon adapeza SealComp, yomwe inali bizinesi yaying'ono yopanga milomo yokhala ndi mabanja ku Michigan.Pambuyo pa kugula, Fluorocarbon Company inasamutsa SealComp ku fakitale ku South Carolina kuti ipange zisindikizo zazitsulo zamafakitale a nyukiliya ndi petrochemical.
Bizinesi yatsopano yosindikizira milomo iyi imagwira ntchito pamapampu ndi injini zamphamvu kwambiri za hydraulic, zosinthira zankhondo ndi zinthu zina zamalonda kuphatikiza ma dizilo a crankshaft seals ndi ma thermostats.
Pakati pa zaka za m'ma 1990, Kampani ya Fluorocarbon inasintha dzina lake kukhala Furon ndipo idagulidwa ndi BD SEALS Solutions™ mu 2001. Izi zikuwonjezera Furon ku bizinesi ya BD SEALS Solutions™ yomwe inali kale yolimba kwambiri ya masika, yomwe inakhazikitsidwa mu 1955.
Mu 1995, tepi ya elastomeric idawonjezeredwa kunja kwa BD SEALS Solutions lip seal.Izi zimachitidwa kuti athetse kukanikiza kwachitsulo ndi zitsulo ndikuonetsetsa kuti chisindikizo cholimba pakati pa chisindikizo ndi chisindikizo cha thupi la kasitomala.Zina zowonjezera pambuyo pake zidawonjezedwa kuti zichotsedwe chisindikizo ndikuyimitsa mwachangu kuti muwone chisindikizocho ndikuletsa kuyika kolakwika.
Pali zofanana zambiri, komanso zosiyana zambiri, pakati pa elastomeric labala milomo zosindikizira ndi BD SEALS PTFE milomo seals.
Mwamaonekedwe, zisindikizo zonsezi ndi zofanana kwambiri chifukwa zimagwiritsa ntchito thupi lachitsulo lopanikizidwa mu chosindikizira cha thupi losasunthika ndi zinthu za milomo zosavala zomwe zimapaka pamtengo wozungulira.Amagwiritsanso ntchito malo ochuluka mofanana akagwiritsidwa ntchito.
Elastomeric lip seals ndiye chosindikizira cha shaft chodziwika bwino pamsika ndipo amawumbidwa molunjika mnyumba yachitsulo kuti apereke kulimba kofunikira.Zambiri zosindikizira milomo ya rabara ya elastomeric zimagwiritsa ntchito kasupe wowonjezera ngati njira yotsegulira kuti zitsimikizidwe zolimba.Kawirikawiri kasupe amakhala pamwamba pa malo okhudzana ndi chisindikizo ndi tsinde, kupereka mphamvu yofunikira kuti athetse filimu yamafuta.
Nthawi zambiri, PTFE milomo zisindikizo sagwiritsa ntchito kasupe kutambasuka kusindikiza.M'malo mwake, zisindikizozi zimayankha ku katundu uliwonse wogwiritsidwa ntchito pa kutambasula kwa milomo yosindikiza ndi utali wopindika wopangidwa ndi thupi lachitsulo.PTFE zosindikizira milomo ntchito njira yotakata yolumikizana pakati pa milomo ndi shaft kuposa elastomeric milomo zosindikizira.PTFE milomo zisindikizo amakhalanso ndi katundu otsika enieni, koma ndi yotakata kukhudzana dera.Mapangidwe awo anali ndi cholinga chochepetsa mavalidwe ndipo kusintha kunapangidwa kuti achepetse kuchuluka kwa ma unit, omwe amadziwikanso kuti PV.
Kugwiritsa ntchito kwapadera kwa PTFE milomo yosindikizira ndikusindikiza ma shafts ozungulira, makamaka ma shaft omwe amazungulira mothamanga kwambiri.Zinthu zikavuta komanso kupitilira zomwe angathe, ndi njira yabwino kwambiri yosindikizira milomo ya rabara ya elastomeric.
Kwenikweni, zisindikizo za milomo za PTFE zidapangidwa kuti zizitseketsa kusiyana pakati pa zisindikizo zapakamwa zamtundu wa elastomeric ndi zisindikizo zamakina zamaso.Amatha kugwira ntchito mothamanga kwambiri komanso kuthamanga kwambiri kuposa zosindikizira zamlomo zambiri za elastomeric, zomwe zimawapangitsa kukhala njira yabwino kwambiri.
Kuchita kwawo sikukhudzidwa kwambiri ndi madera ovuta omwe ali ndi kutentha kwakukulu, zofalitsa zowononga, kuthamanga kwapamwamba, kuthamanga kwambiri kapena kusowa mafuta.Chitsanzo chabwino kwambiri cha luso lapamwamba la PTFE ndi makina opanga mpweya wa mafakitale, ovotera kuti agwire ntchito pa maola 40,000 popanda kukonza.
Pali malingaliro olakwika okhudza kupanga PTFE milomo seal.Elastomeric mphira milomo zosindikizira akanikizire mphira mwachindunji nyumba zitsulo.Thupi lachitsulo limapereka kukhazikika koyenera, ndipo elastomer imatenga gawo logwira ntchito la chisindikizo.
Mosiyana, PTFE milomo zisindikizo sangathe kuponyedwa mwachindunji pa zitsulo nyumba.Zinthu za PTFE sizimapita kumadzi kapena dziko lomwe limalola kuti zinthuzo ziziyenda;Choncho, PTFE milomo zisindikizo amapangidwa ndi Machining chisindikizo, ndiye kusonkhanitsa mu nyumba zitsulo, ndiyeno umakaniko clamping.
Posankha njira yosindikizira yolondola yogwiritsira ntchito makina ozungulira, zinthu zofunika kuphatikizapo kuthamanga kwa shaft, kuthamanga kwa pamwamba, kutentha kwa ntchito, sing'anga yosindikiza, ndi kupanikizika kwa dongosolo ziyenera kuganiziridwa mosamala.Pali zina zambiri zogwirira ntchito zomwe muyenera kuziganizira popanga chisankho, koma zomwe zalembedwa pamwambapa ndizomwe zikuluzikulu.
Ufulu umabwera ndi udindo waukulu.M'kupita kwa nthawi, BD SEALS Solutions ™ yakhala ikuyang'ana pa mapulogalamu omwe amafunikira PTFE zosindikizira milomo.Chimodzi mwazabwino zazikulu za chisindikizocho ndikutha kuchita m'malo ovuta m'mafakitale, magalimoto ndi ndege.
Amatha kugwira ntchito pazipani zambiri komanso kuthamanga pazitsulo zozungulira kuposa elastomeric milomo yosindikizira, ndipo ubwino wake sumatha pamenepo.Ubwino wina wa PTFE lip seals ndi:
BD SEALS Solutions™ Zisindikizo ziwiri zodziwika bwino za milomo ndi BD SEALS PTFE zisindikizo zachitsulo zozungulira milomo ndi zosindikizira za DynaLip polymer, zonse zomwe zimatha kusinthana.Kusiyana kwakukulu pakati pawo ndi mapangidwe awo.Zisindikizo zanyumba zazitsulo zimagwiritsa ntchito zitsulo zachitsulo kupanga nyumba yosindikizidwa ndikuyika milomo yosindikiza kuti itseke chisindikizocho.
Zopangidwa kumayambiriro kwa zaka za m'ma 1970, BD SEALS zosindikizira milomo zimapangidwa kuti zizigwira ntchito m'madera ovuta kuyambira -53 ° C mpaka 232 ° C, malo ovuta a mankhwala, ndi malo owuma ndi opweteka.Zosindikiza zamphamvu za PTFE zimagwiritsidwa ntchito pazotsatira zotsatirazi:
Zisindikizo za DynaLip zisindikizo zisindikizo za BD SEALS zisanachitike pafupifupi zaka khumi.Kupanga kwawo kudakhala kofunikira pomwe BD SEALS Solutions™ idayamba kugwira ntchito yosakaniza ndi kuphatikizira zida zophulika za ntchito zankhondo.Zisindikizo za milomo yazitsulo zokhala ndi zitsulo zimaonedwa kuti ndi zosayenera kwenikweni chifukwa cha izi chifukwa chotheka kuti zigwirizane ndi tsinde lozungulira la zophulika zosakanikirana.Ichi ndichifukwa chake akatswiri opanga mapangidwe a BD SEALS Solutions™ adapanga chosindikizira cha milomo chomwe chilibe chitsulo pomwe amasungabe phindu lake lalikulu.
Mukamagwiritsa ntchito zisindikizo za DynaLip, kufunikira kwa zigawo zachitsulo kumathetsedwa chifukwa chisindikizo chonsecho chimapangidwa kuchokera kuzinthu zomwezo za polima.Nthawi zambiri, ndi elastomericO-ringchimagwiritsidwa ntchito pakati pa awiri akunja kwa chisindikizo ndi mating nyumba bore.O-mphete amapereka chisindikizo cholimba komanso kupewa kuzungulira.Mosiyana ndi izi, BD SEALS zosindikizira milomo zimatha kupangidwa kuchokera kuzinthu zopitilira zitatu ndipo zimatsekeredwa munyumba yachitsulo.
Masiku ano, chisindikizo choyambirira cha DynaLip chatulutsa mitundu yambiri yosiyana siyana yomwe ilinso yabwino kuti ikhazikitse munda chifukwa safuna zida zapadera zoikirapo komanso ndizoyenera kugwiritsa ntchito zomwe zimafuna kuti chisindikizocho chichotsedwe kuti chiyeretsedwe.Chifukwa cha kapangidwe kake kosavuta, zisindikizozi nthawi zambiri zimakhala zotsika mtengo.
Kodi BD SEAL PTFE lip seals, DynaLip polymer seals ndi zina zosindikizira milomo kuchokera ku bd seals Solutions™ zimasintha bwanji moyo wathu watsiku ndi tsiku?
PTFE milomo zosindikizira amapereka wapamwamba kusindikiza katundu ndi otsika kukangana mu malo youma kapena abrasive.Nthawi zambiri amagwiritsidwa ntchito m'mapulogalamu ovuta pomwe liwiro likufunika.
Msika wa compressor wa mpweya ndi chitsanzo chabwino cha momwe PTFE milomo yosindikizira ikulowa m'malo mwa elastomeric ndi carbon mechanical seals.BD SEALS Solutions™ idayamba kugwira ntchito ndi makampani ambiri akuluakulu a kompresa ya mpweya mkati mwa zaka za m'ma 1980, m'malo mwa zosindikizira za milomo ya rabara zomwe zimatayikira komanso zosindikizira zakumaso za kaboni.
Mapangidwe apachiyambi adakhazikitsidwa pachikhalidwe chosindikizira milomo yapamwamba kwambiri, koma m'kupita kwanthawi, momwe kufunikira kukukulirakulira komanso magwiridwe antchito amafunikira, chisindikizocho chidapangidwa kuti chitha kutayikira zero komanso moyo wautali wautumiki.
Ukadaulo watsopanowu wapangidwa kukhala moyo wopitilira pawiri wosindikiza ndikusunga kuwongolera kotayirira nthawi zonse.Zotsatira zake, Omniseal Solutions™ PTFE zosindikizira milomo zimatengedwa ngati mulingo wamakampani, kupereka maola opitilira 40,000 osakonza.
PTFE milomo zisindikizo amapereka ulamuliro kutayikira wapamwamba ndipo amatha kugwira ntchito kuchokera 1000 kuti 6000 rpm ndi zosiyanasiyana mafuta ndi kwa nthawi yaitali (15,000 maola), kuchepetsa zonena chitsimikizo.bd seals Solutions ™ imapereka zisindikizo za shaft pamakampani opondereza wononga okhala ndi mainchesi kuyambira 0.500 mpaka 6000 mainchesi (13 mpaka 150 mm).
Zosakaniza ndi malo ena ogulitsa komwe kusinthika kwa zisindikizo kuli ponseponse.Makasitomala a BD SEALS Solutions ™ mumsikawu amafunikira zisindikizo zomwe zimatha kuthana ndi kupindika kwa shaft ndikutha mpaka 0.300 in. (7.62 mm), yomwe ndi kuchuluka kwakukulu kwa shaft yothamanga kwambiri.Kuti athetse vutoli ndikuwongolera kuthamanga kwa ntchito, BD SEALS Solutions ™ imapereka kamangidwe ka milomo yoyandama yoyandama.
bd seals lip seals ndizosavuta kuyika, zimakwaniritsa zofunikira pakutha kwa EPA, ndipo ndi mafuta ndi zoziziritsa kukhosi zomwe zimagwirizana kuti zigwiritsidwe ntchito m'malo otsekeka moyo wonse wa mpope.
Kuphatikiza apo, Solutions™ lip seals idapangidwa kuti ikhale yosindikiza, kuthamanga kwambiri, kupanikizika ndi zovuta za kutentha, ndi ntchito zina zambiri.
Zisindikizo zawo zimagwiritsidwanso ntchito pazida zomwe zimafuna zida zovomerezeka za FDA kuti zigwiritsidwe ntchito pamakina monga:
Ntchito zonsezi zimafuna kukana kwachitsulo chotsika kwambiri kuti muchepetse kutentha.Kuphatikiza pakukwaniritsa miyezo ya FDA, zisindikizo zimayenera kukhala zopanda zingwe zomwe zingayambitse kutsekeka kwa zinthuzo kusindikizidwa, ndipo ziyenera kukhala zogwirizana ndi ma acid, alkali ndi zoyeretsa.Ayeneranso kupirira kutsuka kwamphamvu kwambiri ndikudutsa kuyesa kwa IP69K.
bd seals Solutions ™ milomo yosindikizira imagwiritsidwa ntchito pamagetsi othandizira (APU), injini zamagetsi zamagetsi, zoyambira, ma alternators ndi ma jenereta, mapampu amafuta, makina opangira mphamvu (RAT) ndi ma flap actuators, amodzi mwamisika yayikulu.
APU idatsegulidwa pa US Airways Flight 1549 ("Miracle on the Hudson") kuti ipereke mphamvu ku ndegeyo kuti ifike bwino.BD SEALS Solutions™ zosindikizira za milomo ndi masika zimayikidwa pakatikati pa ndegeyi, zomwe zimaonedwa kuti ndizofunikira kwambiri pakuuluka ndipo ziyenera kugwira ntchito 100% ikatumizidwa.
Pali zifukwa zambiri zomwe opanga ndege amadalira zisindikizo za milomo izi.Zosindikizidwa za milomo za BD SEALS zopangidwa mwapadera zimapereka chisindikizo cholimba komanso kuchita bwino kuposa zosindikizira zofananira za elastomeric.Amafunikanso malo ocheperako kuposa zisindikizo zamakina opangidwa ndi kaboni pamakina a turbine ndi ma gearbox akunja.
Amatha kupirira kutentha kuchokera -65 ° F mpaka 350 ° F (-53 ° C mpaka 177 ° C) ndi kupanikizika mpaka 25 psi (0 mpaka 1.7 bar), ndi liwiro lapamwamba la 2000 mpaka 4000 mapazi pa mphindi (10 mpaka 1.7) 20 m/s).Mayankho ena a bd seals Solutions™ m'derali amatha kugwira ntchito mothamanga kwambiri kuposa mapazi 20,000 pa mphindi, zomwe ndi zofanana ndi 102 metres pa sekondi iliyonse.
Msika wina waukulu ndi zisindikizo za injini za ndege, pomwe zosindikizira za milomo zimagwiritsidwa ntchito posindikiza kunja ndi opanga injini zazikulu za ndege.bd seals Solutions ™ milomo yosindikizira imagwiritsidwanso ntchito mu injini za jet za turbofan.Injini yamtunduwu imakhala ndi makina ojambulira omwe amalekanitsa fani ya injini kuchokera ku compressor yotsika ndi turbine, kulola gawo lililonse kuti lizigwira ntchito mwachangu.
Choncho, angapereke mphamvu zowonjezera.Ndege wamba imawotcha mafuta okwana theka la galoni pa kilomita imodzi, ndipo injini zogwira ntchito bwino zikuyembekezeka kupulumutsa pafupifupi $1.7 miliyoni pamitengo yoyendetsera ndege iliyonse pachaka.
Kuphatikiza pakuthandizira mafakitale ogulitsa malonda, PTFE milomo yosindikizira imagwiritsidwanso ntchito m'magulu ankhondo, makamaka ndi Dipatimenti ya Chitetezo.Izi zikuphatikiza kugwiritsa ntchito ndege zankhondo, zonyamulira ndege ndi ma helikopita.
PTFE milomo zisindikizo chimagwiritsidwa ntchito pa ndege zankhondo;Mwachitsanzo, m'mafani okweza okwera, ma helikopita a gearbox motor seals ndi zisindikizo zawo zodzaza masika amagwiritsidwanso ntchito pazigawo zosindikizira za mutu wa rotor, ma flaps ndi ma slats, ndi zida zofunika pama braking system zomwe zimagwiritsidwa ntchito kunyamula ndege.Anatera pa sitima.Ndikofunikira kuwonetsetsa kuti zida zomwe zimagwiritsidwa ntchito pazinthu izi sizikuyenda bwino.
BD SEALS Solutions ™ milomo yosindikizira ndi yoyenera pazinthu zina zovuta kwambiri monga ma crankshafts, ogawa, mapampu amafuta ndi zisindikizo zamacam zomwe zimapezeka mumakampani othamanga, komwe mwachilengedwe injini nthawi zambiri zimakankhidwa mpaka malire awo.
Magulu ambiri a NASCAR ndi injini za Indianapolis Motorsports amagwiritsa ntchito BD SEALS Solutions™ zosindikizira milomo.Pafupifupi aliyense woyenerera komanso womaliza ku Indianapolis mu 2019 adagwiritsa ntchito zosindikizira za milomo pama crankshafts awo akutsogolo komanso akumbuyo.bd seals Solutions ™ ilinso ndi mapangidwe ovomerezeka omwe amapangidwira NASCAR kuti athetse mavuto omwe amayambitsa PTFE kugawanika chisindikizo.
Chisindikizo chamafuta a injini cha throttle crankshaft chikayaka mothamanga komanso kuthamanga kwambiri pampikisano waposachedwa ku Daytona Superspeedway, wopanga injini wotsogola wa NASCAR adatembenukira ku bd seals Solutions ™ milomo yosindikiza.Zotsatira zake zinali zopambana kwa aliyense: Brad Keselowski ndi No. 2 Penske Ford adapambana mpikisano pogwiritsa ntchito bd seals Solutions™ lip seals.Pofuna kupititsa patsogolo chochitika chopambanachi, anayi mwa omaliza asanu adayendetsa magalimoto okhala ndi injini zotsogola zomwe zidapindulanso ndi zosindikizira za milomo iyi.
Ntchito ina yothamanga ya BD SEALS Solutions ™ milomo seals ili m'majekeseni amafuta apamwamba.Ma injiniwa amakumana ndi zovuta kwambiri pomwe chigawo chilichonse chimapindika, kugwedezeka ndi kupindika, zomwe zimapangitsa kulumikizana pakati pazigawo zomwe siziyenera kuchitika.Chifukwa chake, nthawi yayitali ya moyo wa jekeseni wamafuta opitilira pamwamba ndi osakwana mphindi zisanu akagwiritsidwa ntchito pa liwiro lothamanga.
Nthawi yotumiza: Oct-10-2023