Lokacin da kuka ji ƙirƙira gaskat ɗin roba, yawancin hankali suna tsalle zuwa kayan ƙawance ko haɗin dijital mai walƙiya. Wannan tarko ne gama gari. Motsi na gaske ba koyaushe bane game da sake ƙirƙira dabaran; sau da yawa, yana cikin gyaran gyare-gyare, fili, ko ma yadda muke tunani aikin rufewa a ƙarƙashin yanayin duniya, damuwa na dogon lokaci. Turawa ba kawai don cikakkun bayanai ba ne, amma don tsinkaya da jimlar farashi a cikin filin, wanda yawancin takaddun takaddun ke haskakawa.

Canjin Natsuwa a Kimiyyar Material

Yana da ƙasa game da gano sabon polymer da ƙari game da haɓakawa da daidaitawa da ke akwai don takamaiman yanayin gazawa. Ɗauki ethylene propylene diene monomer (EPDM). Kowane mutum yana amfani da shi don juriya na ruwa. Amma bidi'a tana cikin tsarinta don tsayayya da tsayin daka zuwa ga sinadarai masu sanyi na zamani ko ozone a cikin mahalli masu wuta. Muna ganin maki waɗanda ke ba da ingantacciyar matsawa saiti a yanayin zafi mafi girma ba tare da sadaukar da elasticity a ƙananan yanayi ba, aikin daidaitawa wanda ya fi kimiyya fasaha. Ba batun kanun labarai ba ne, amma yana hana leaks shekaru biyar a kan layi.

Sannan akwai sinadarin fluorocarbon (FKM). Farashin yana da girma, don haka yanayin yana zuwa ga gyare-gyare, isassun maki don aikace-aikacen da ba sa buƙatar cikakken ƙimar 200°C+. Wannan aikin injiniyan kayan aiki shine mahimmin yanayin. Yana da game da guje wa wuce gona da iri, wanda shine nau'in sharar gida mai sauki amma mai tsada. Na tuna wani aikin da muka ayyana FKM mai ƙima don layin ruwa mai dumi, kawai don nemo robar da aka keɓance hydrogenated nitrile (HNBR) wanda aka yi daidai da 40% ƙananan farashi. Ƙirƙirar ta kasance a cikin tsarin gwaji da tabbatarwa, ba kayan kanta ba.

Silicon roba wani yanki ne. Rauninsa koyaushe ƙarfin hawaye ne. Halin ƙirƙira a nan yana cikin ƙarfafawa tare da nano-fillers ko goyan bayan masana'anta na musamman, yana motsa shi sama da madaidaicin hatimi zuwa ƙarin ƙarfi, mahalli masu ɓarna. Wani abu ne yana ƙara ƙarfi, shiru.

Ƙirƙirar Ƙarfafawa azaman Direban Ƙirƙira

Wannan na iya zama yanki mafi ƙasƙanci. Hakuri akan a gasket abu daya ne, amma daidaiton wannan juriyar a cikin miliyoyin sassa shine inda aka haifi ainihin amincin hatimi. Yunkurin yana kan gabaɗaya mai sarrafa kansa, matsawar hangen nesa da layukan gyare-gyaren allura. Manufar ita ce filasha sifili, sifili mai girma. Kamfanin kamar Hannun Zetai Mretering co., Ltd., wanda aka kafa a babban ma'auni na babban sashin samar da kayan aikin kasar Sin a Yongnian, Handan, ya ƙunshi wannan canjin kayan aikin. Kusancinsu da manyan hanyoyin sufuri ba bayanin dabaru ba ne kawai; yana magana don sakawa a cikin hanyar sadarwa mai yawa don albarkatun polymers da abubuwan saka ƙarfe, yana ba da damar haɗa kai daga fili zuwa gama sashi. Ƙirƙirar tana cikin tsarin samar da kayayyaki da kuma samar da yanayi kamar yadda jaridu suke.

Karamin gyare-gyare don ƙaramin hatimi a cikin kayan lantarki da na'urorin likitanci wani yanki ne. Ya rage game da roba da ƙari game da kayan aiki da sarrafawa. Muna magana ne game da gaskets ƙarami fiye da hatsin shinkafa, inda ƙura ta zama lahani. Ƙirƙirar tana cikin gyare-gyaren ɗaki mai tsafta da mafita mai sarrafa kansa wanda yanzu ke faɗuwa daga fasahar semiconductor.

Kuma kar mu manta da yin gyare-gyare bayan gyare-gyare. Gyaran Laser na walƙiya akan hadaddun geometries, musamman don hatimai masu katsewa ko ɗaure, yana maye gurbin lalatawar hannu. Yana da sauri, yana kawar da sauye-sauye, kuma yana ba da cikakkiyar hatimi. Ƙirƙirar tsari ne wanda ke haɓaka aiki kai tsaye.

Kalubalen Haɗin kai: Gasket a matsayin Tsarin

Gasket ɗin ba kasafai ba ne kuma. Yanayin yana zuwa ga tsarin haɗe-haɗe. Wannan yana nufin ɓangaren roba yana da haɗin gwiwa, haɗin gwiwa, ko kulle ta hanyar inji tare da mai ɗaukar filastik, sprig na ƙarfe, ko firikwensin lantarki. Bidi'a yana cikin keɓancewa. Misali, roba hatimi an haɗa shi da tashar filastik don tagogin mota - maƙasudin gazawa galibi shine layin haɗin, ba roba ba. Don haka, ƙirƙira tana mai da hankali kan fasahar jiyya ta sama da kuma sinadarai masu mannewa.

Na yi aiki a kan wani aiki don hatimin fakitin baturin abin hawa. Dole ne GASKET ɗin ya kasance mai ɗaukar nauyi don garkuwar EMI yayin kiyaye hatimin muhalli. Ba wai kawai mai sarrafa abin da ke cikin siliki ba; ya kasance game da tabbatar da tafiyar da aiki ya daidaita a duk faɗin kewaye kuma ya kasance barga bayan dubban zagayowar matsawa. Tsarin samfurin ya kasance m-kananan ɓangarorin da ke cikin fili za su kashe tasirin garkuwar. Maganinta ya dogara da tsarin hadawa na fili da gwajin juriya na cikin layi fiye da sabon kayan sihiri.

Wannan tsarin tunanin kuma yana motsa ƙira. Software na kwaikwaiyo don matsawa hatimi da rarraba damuwa yanzu shine daidaitaccen ɓangaren kayan haɓakawa. Yana ba da damar haɓaka ɓangaren giciye-motsawa daga sauƙi O-ring zuwa bayanin martaba na al'ada wanda ke amfani da ƙarancin abu, yana buƙatar ƙaramin ƙarfi, da hatimi mafi dogaro. Ƙirƙirar ƙira ce kuma mai jujjuyawa kafin a yanke kowane ƙarfe na kayan aiki.

Matsalolin Dorewa da Amsoshi Na Gaskiya

Halin kore ba zai yuwu ba, amma a cikin hatimi, yana cike da cinikin aiki. Ana binciko rubbers na tushen halittu ko ƙarin abubuwan da aka sake yin fa'ida, amma galibi akan farashin juriya na sinadarai ko tsawon rai. Ingantacciyar sabuwar dabara tana cikin tsawon rai da kanta-yin gasket wanda ke dawwama cikakkiyar rayuwar samfurin ba tare da lalacewa ba shine babban nasara mai dorewa. Yana rage sauyawa, raguwa, da ɓata lokaci.

Akwai kuma turawa zuwa gas mai gas ƙira waɗanda suka fi sauƙin haɗawa da raba don sake amfani da su a ƙarshen rayuwa. Wannan na iya nufin ƙaura daga haɗaɗɗun ƙarfe-robar da aka haɗa ta hanyar sinadari zuwa ƙira mai haɗe-haɗe na inji. Yana da daraja amma girma la'akari, musamman a cikin ƙirar Turai.

Wani kusurwa kuma yana rage hayaki mai canzawa (VOC) daga kayan gasket da kansa, musamman a wuraren da aka rufe kamar na cikin mota. Wannan yana haifar da sake fasalin tsarin warkewa da na'urorin filastik. Ƙayyadaddun shiru ne wanda ke zama buƙatu mai wuyar gaske.

Ra'ayin Filin da Madaidaicin Madaidaici

Bidi'a ta gaskiya tana tabbatar da gazawa. Abubuwan da suka fi dacewa sun fito ne daga bayan mutuwa akan dawowar filin. Gasket na iya wuce duk gwajin gwaje-gwajen lab amma ya gaza a cikin shekara guda saboda bayyanar sinadarai da ba a zata ba ko na musamman na kekuna na zafi. Halin da ake ciki yanzu shine zuwa ga tattara bayanai masu wayo daga filin - ba wai kawai ya zube ba, amma cikakkun bayanai na gawarwakin gawarwakin da ya gaza: A ina aka saita matsawa? Akwai kumburin sinadarai? Shin akwai lalacewa?

Wannan madaidaicin amsa yana raguwa. Tare da wasu OEMs, muna shiga cikin binciken gazawar kai tsaye. Wannan ya haifar da sababbin abubuwa kamar gaskets-yawanci, inda robar ya fi laushi a gefen rufewa don daidaitawa amma ya fi ƙarfin gaske don anti-extrusion. Wannan ya zo kai tsaye daga ganin yadda hatimin ya gaza a aikace-aikacen bugun jini mai ƙarfi.

Har ila yau, yana nuna cewa wani lokacin ƙirƙira ba ta cikin gasket ba, amma a cikin ƙarshen mating surface ko tsarin bolting. Ilimantar da abokan ciniki akan ingantaccen juzu'in shigarwa da jeri ya adana ƙarin aikace-aikace fiye da kowane canjin abu. Gaskat wani bangare ne na tsarin haɗin gwiwa da aka kulle; sabon abu a ware ya rasa rabin hoton.

To, a ina wannan ya bar mu? Abubuwan da ke faruwa ba game da harsashi na azurfa ba ne. Suna da niƙa-a cikin ɗinkin kayan abu, sarrafa masana'anta, haɗa tsarin, da koyo daga aikin zahirin duniya. Yana da game da sanya sassauƙan sassauƙan sassauƙan aiki mara ganuwa da kyau a ƙarƙashin buƙatu masu rikitarwa. Kamfanonin da ke samun wannan, waɗanda ke cikin masana'anta da samar da gidan yanar gizo kamar waɗanda ke cikin cibiyoyi irin su Yongnian, galibi su ne ke haifar da wannan haɓaka mai mahimmanci. Makomar gasket ɗin roba ba ta da yawa game da abin da aka yi da ita, kuma ƙari game da yadda ake iya faɗin abin da yake yi tun daga filin masana'anta zuwa shekaru goma na sabis.