Gasket

Anthu ambiri akamva mawu akuti 'gasket' amajambula mphira yakuda ija pampopi. M'dziko lathu lapansi, ndi kavalo wosalankhula, wokhala ndi madzi, ndikuletsa kulephera kowopsa. Maganizo olakwika kwambiri? Kuti chidutswa chilichonse cha zinthu zovomerezeka chikhoza kugwira ntchitoyi. Ndawona ma projekiti ochuluka kwambiri pomwe gasket zinali zongoganiziridwa pambuyo pake, zomwe zimapangitsa kutayikira, nthawi yocheperako, komanso kuyimba foni mokwera mtengo. Izo siziri konse 'chisindikizo'; ndi gawo lowerengeka.

Zinthu Zakuthupi Si Tsamba Lokhalokha

Simungangosankha chinthu kuchokera patchati ndikuchitcha tsiku. Zomwe zitha kunena kuti NBR 70 Shore A, koma ndi poyambira. Ndimakumbukira ntchito yomanga makina ang'onoang'ono a kompresa pogwiritsa ntchito nitrile wamba gasket. Zinapambana mayeso a pressure, palibe vuto. Koma kumunda, m’miyezi ingapo, anayamba kulira mafuta. Nkhani sinali kukakamiza; chinali phukusi lowonjezera mu mafuta opangira atsopano. Zinapangitsa kuti NBR ifufuze mokwanira kuti iwonongeke. Tchaticho sichinanenepo za kuyanjana kwamadzimadzi komweko. Tinayenera kusinthira ku chinthu chopangidwa ndi fluorocarbon, chomwe chinali chochulukira chifukwa chopanikizika koma chofunikira kuti chigwirizane ndi mankhwala. Kodi tikuphunzirapo chiyani? Mayeso a labu ndi ntchito zenizeni padziko lapansi zitha kukhala zilombo ziwiri zosiyana.

Ndiye pali kutentha. Aliyense amaganiza za kutentha kwanthawi zonse. Wakupha weniweni ndi njinga yamoto yotentha. Flange imatenthetsa, imakulitsa, ndi gasket compresses kwambiri. Imazizira, makontrakitala, ndipo ngati gasket sichichira, mumapeza kusiyana. Ndakhala ndikuchita bwino ndi ma graphite okulirapo m'malo okwera kwambiri, koma pokhapokha ngati kumaliza kwa flange kuli kolondola. Yosalala kwambiri, ndipo sichingagwire; choyipa kwambiri, ndipo chimakhazikika ndikutaya mphamvu. Ndikuchita bwino komwe mumaphunzira pogwetsa misonkhano yolephera ndikuyang'ana zizindikiro za umboni.

Apa ndipamene kupeza kuchokera kwa opanga apadera kumapangitsa kusiyana kowonekera. Mwachitsanzo, kugwira ntchito ndi kampani ngati Malingaliro a kampani Handan Zitai Fastener Manufacturing Co., Ltd., yomwe ili mu gawo lalikulu kwambiri lachi China lopanga gawo, mumapeza mwayi wodziwa zambiri zamachitidwe. Kuyandikira kwawo kumalumikizidwe akuluakulu ngati Beijing-Guangzhou Railway kumatanthauza kuti awona mitundu yayikulu yofunsira. Sizongopanga gawo; ndikumvetsetsa chilengedwe chomwe chimakhalamo - ma flanges, ma bolts, ma torque a msonkhano omwe onse amalumikizana ndi gasket ntchito.

Flange ndi Half the War

A wangwiro gasket pa flange yoyipa ndi kutayikira kotsimikizika. Kumaliza kwapamwamba ndikofunikira, koma momwe zimafunikira kuposa kuchuluka kwa Ra. Spiral finish, concentric, phonographic-iliyonse imakhala ndi chosindikizira kapena imagwira gasket mosiyana. Pazinthu zofewa ngati mapepala osakhala asibesitosi, mumafunika dzino lochulukirapo kuti mupewe kuphulika. Kwa mitundu yokhala ndi jekete yachitsulo, kumaliza kwabwino kwambiri kumafunika kupewa kudula zofewa.

Flatness ndi wakupha wina mwakachetechete. Tinali ndi pulojekiti yobwezeretsanso zinthu zina zakale zosinthira kutentha. Envelopu yatsopano, yogwira ntchito kwambiri ya PTFE gaskets anapitiriza kulephera. Patatha milungu ingapo tikukanda mutu, timayika nsonga yowongoka pa flange. Inali ndi uta pang'ono, mwina 0.2mm kupitirira 300mm, kuchokera pazaka zambiri zakupsinjika kwamafuta. Ma gaskets akale opangidwa ndi fiber anali atagwirizana nazo. Mapangidwe atsopano, okhwima kwambiri sanathe. Kukonza sikunali bwino gasket; inali kukonzanso nkhope ya flange. Nthawi zina yankho limakhala kumtunda kwa chinthu chosindikizira chokha.

Kugawa katundu wa bolt ndiye lingaliro labwino kwambiri lomwe silipezeka kawirikawiri. Cholinga chake ndi kupanikizana kofanana, koma kuzungulira kwa flange, mabawuti otalikirana, ndikutsata ma wrench muzochita. Nthawi zonse ndimaumirira pamakina omangika a bawuti, nthawi zambiri amadutsa mipata ingapo kupita ku torque inayake. Ngakhale apo, kugwiritsa ntchito hydraulic tensioner motsutsana ndi wrench ya torque kungathe kutulutsa mawonekedwe osiyanasiyana gasket. Ndi luso lofanana ndi sayansi.

Pamene Standard Siikukwanira

Katunduyu ndi kalozera, osati uthenga wabwino. Standard ASME B16.21 miyeso ndi poyambira. Koma ndasiya kuwerengera nthawi zomwe takhala tikuchita mopanda muyezo. Chofala ndi makulidwe. Kukhuthala sikwabwino kuchira; zimatha kuyambitsa kukhumudwa kwapang'onopang'ono. Koma m'malumikizidwe osakanikirana ndi kusalongosoka kwakukulu kapena ma warpage, okhuthala pang'ono, ochulukirapo gasket ikhoza kukhala pragmatic field fix mpaka kukonza makina oyenera kukonzedwa.

Nthawi ina tinali ndi kasitomala yemwe anali ndi kutayikira kosalekeza pamzere waukulu wa acidity, wocheperako. Ankagwiritsa ntchito pepala lokhazikika la elastomeric lodulidwa m'nyumba. Kutayikirako kunali polumikizana. Kuyang'ana kunawonetsa kuti chodulidwacho chinali choyera, zinthuzo zinali zolondola. Vuto linali kamangidwe kameneka—kansalu kakang’ono ka nkhope kosalala. Pa kukula kwake komanso kusuntha kwa chitolirocho, pamafunika chisindikizo chotsekeka, ngati polowera kwa mphete ya O kapena chilonda chokwezeka cha nkhope / chozungulira. Tinawasunthira ku kammprofile gasket, zomwe zinapereka kukhudzana kwachitsulo ndi zitsulo kuti zikhale zokhazikika komanso zosanjikiza zofewa zowonongeka kwa micro-imperfections. Njira yothetsera vutoli inali yolakwika pamakanika a msonkhanowo.

Apa ndipamene luso la wopanga limakhala lofunikira. Gwero ngati Malingaliro a kampani Handan Zitai Fastener Manufacturing Co., Ltd. sikuti amangogulitsa zinthu zakunja. Udindo wawo m'mafakitale akuluakulu amatanthauza kuti akhazikitsidwa kuti azitha kuthana ndi zopempha zosavomerezeka izi moyenera. Mutha kukambirana za kulephera kwenikweni - kukwapula, kuwukira kwamankhwala, kuphulika - ndipo nthawi zambiri amatha kuwonetsa kuphatikizika kwazinthu kapena zomangamanga kutengera zomwe adakumana nazo. Kuyang'ana chuma chawo pa https://www.zitaifasteners.com angakupatseni maziko amtundu wawo wokhazikika, womwe umadziwitsa zomwe zingatheke kusintha.

Kulephera ndiye Mphunzitsi Wabwino Kwambiri

Mumaphunzira zambiri kuchokera pakutayikira kuposa kuchokera ku chisindikizo changwiro. Chitsanzocho chimafotokoza nkhani. Chizindikiro choponderezedwa chofanana chomwe chili chopepuka kwambiri? Ocheperako. Chizindikiro cholemera, chophwanyika mbali imodzi ndi chopepuka mbali inayo? Kuyika molakwika kwa flange kapena katundu wosiyanasiyana wa bolt. Kuukira kwa mankhwala nthawi zambiri kumawoneka ngati kusweka, kutupa, kapena kusintha mawonekedwe. Kuwonjeza kapena kuphulika kwa m'mimba mwake kumasonyeza kupanikizika kwambiri kapena kusiyana komwe kuli kwakukulu kwambiri gasket kuuma.

Ndimakumbukira kulephera kowopsa pamayeso oyeserera a hydraulic component. Chilonda chozungulira gasket (SS304/Graphite) idaphulitsidwa pakuyesa kwamphamvu. Lingaliro loyambirira: gasket inali yolakwika. Post-mortem idawonetsa kuti mphete yamkati inali yolimba, koma mafunde anali atatseguka. Chifukwa chake? Mchitidwe woyeserawo unkakhudza kuthamangitsidwa kwachangu komwe kumapangitsa kusinthana pang'ono kwa ma flanges. Mapangidwe a chilonda chozungulira sakanatha kumeta ubweya. Tinasinthira ku phata lachitsulo cholimba gasket kwa test rig yeniyeniyo. Gasket yoyambirira inali yabwino pantchito yokhazikika, koma osati malo oyeserera.

Kusunga laibulale yakulephera kwakuthupi ndikofunikira. Bokosi la ma gaskets akale, otayikira okhala ndi zolemba pazantchito ndizothandiza kwambiri kuposa buku lililonse. Imapereka chithunzithunzi chowoneka bwino chomwe chimayendetsa njira zosankhidwa kunyumba. Zikukumbutsani kuti gasket ndi gawo la dongosolo, osati pulagi yamatsenga.

Njira ya Pragmatic Yosankha

Ndiye mumasankha bwanji? Yambani ndi zoonekeratu: zofalitsa, kutentha, kupanikizika. Koma kenako kubowola pansi. Kodi ndi vacuum yonse? Graphite ikhoza kukhala yovuta chifukwa cha kuthekera kwa sublimation; mungafunike chitsulo-O-mphete. Kodi pali disassembly pafupipafupi? Chophimba chopanda ndodo ngati PTFE pa bala lozungulira chingalepheretse kumamatira ndi kuwonongeka. Mtengo ndi chinthu, koma mtengo wonse wa umwini ndiye metric weniweni. Gasket yotsika mtengo yotsika mtengo yomwe imafunika kusinthidwa kutseka kulikonse ndi yokwera mtengo kuposa envelopu ya PTFE yomwe imakhala kwa zaka zambiri.

Osanyalanyaza malo oyika. Kodi ndi chipinda chaukhondo kapena nsanja yakunja? Mulingo wa luso la okhazikitsa ndiwofunikira. Kammprofile yovuta, yosanjikiza yambiri ikhoza kukhala yabwino, koma ngati ogwira ntchito sanaphunzitsidwe kuwongolera, mapangidwe osavuta opangidwa ndi mphira ndi zitsulo akhoza kukhala odalirika pankhaniyi. Kuphweka kwa kukhazikitsa ndi chinthu chovomerezeka cha ntchito.

Pomaliza, pangani ubale ndi katswiri wothandizira. Sikuti kungotumiza PO. Ndi zokhala ndi zokambirana pomwe munganene kuti, Nayi ntchito yanga, nayi zomwe zidalephera nthawi yatha, ndipo atha kubweranso ndi zosankha. Kaya ndi wogawa wakomweko kapena akuchita nawo zinthu zomwe zimakonda kupanga Malingaliro a kampani Handan Zitai Fastener Manufacturing Co., Ltd., kuthetsa mavuto ogwirizana ndiko komwe mumachoka pongogula gawo kupita ku engineering yankho. Malo omwe ali ku Chigawo cha Yongnian amatanthauza kuti ali okhazikika pamakampani, kuthana ndi zovuta zosindikiza tsiku lililonse, osati zongopeka chabe. Kuzindikira kothandizako kumasefera pakukula kwawo ndi chithandizo.

Pomaliza, a gasket ndi gawo lonyozeka lomwe limafunsidwa kuti ligwire ntchito yosatheka: lembani mpata waukulu pakati pa zitsulo ziwiri zopanda ungwiro pansi pamikhalidwe yosiyanasiyana. Palibe yankho limodzi lolondola, kungogwirizana koyenera kwambiri pazomwe zilili. Ukatswiri wagona pakudziwa momwe mungapangire kugwirizana kumeneku moyenera.