Neoprene vs. Grafoil gaskets yokukhupha umoya ophezulu? 

Kulungile, masiyinqumle ingxolo. Ukuba ukhangela oku, mhlawumbi ujonge kwiflange evuzayo okanye uceba ukwakha kwaye i-specs ithi i-gasket yobushushu obuphezulu. Umgibe omkhulu wonke umntu awela kuwo ucinga ukuba irabha kunye nobushushu obuphezulu bunokuhamba kunye ixesha elide. Abanako. I-Neoprene iphoswa ngapha nangapha ngenxa yomsebenzi wokudinwa ngamanye amaxesha, kodwa oko kudla ngokuba sisilungiso esikhawulezayo esikhokelela ekusileleni. I-Grafoil? Lelo elinye igama olivayo. Kodwa akukho lula nokuba-okanye. Kumalunga nokuba uzisebenzisa phi kwaye njani, kwaye ngokunyaniseka, ngamanye amaxesha akufanele uzisebenzise.

I-Neoprene Illusion kwiiNkqubo ezishushu

Kufuneka ndibe buthuntu: usebenzisa umgangatho iegesi ze-neoprene kwi-exhaust yokwenene yobushushu obuphezulu bubuza ingxaki. Sithetha ngezinto onokuzisebenzisa ekungeneni komoya okanye umgca wokupholisa. Umtsalane wayo kukuguquguquka kunye nokutywinwa, ilungile kwimigangatho engaqhelekanga kwiqondo lokushisa legumbi. Kodwa ukukhathala? Nkqu nenkqubo ethobekileyo ibetha kuma-250°C (482°F) ngokulula, kwaye i-neoprene iqala ukuqina kwaye iqhekeke malunga ne-120-130°C. Ndiyibonile. Uyithobisa phantsi kumbhobho we-turbo, itywina kakuhle ekuqaleni kokuqala. Kwiveki kamva, emva kwemijikelo embalwa yobushushu, ijike yaba yidiski enqabileyo, emnyama. Itywina lihambile, ufumana oko kuvuza kwe-ticking exhaust, kwaye ubuyele phantsi kwemoto.

Kukho i-caveat: eminye imixube ye-neoprene yobushushu obuphezulu ikhona, ihlala ine-silicone, ilinganiswe phezulu. Kodwa kumava am, kwanaba banesilingi. Zisenokuphila kwindawo yokudityaniswa kwe-muffler okanye kwindawo yombhobho apho izinga lobushushu lisezantsi, masithi ngaphantsi kwe-200°C. Kodwa kwiiheader, up-pipes, turbo manifolds-yilibale. Ukuthotywa kwe-thermal lixesha, hayi ukuba. Iindleko ze-gasket ziphantsi, kodwa iindleko zomsebenzi zokwenza umsebenzi kabini ziphezulu.

Ndagqibela phi ukubona i-neoprene gasket isilele ngokumangalisayo? Imoto yomkhondo yomhlobo onesiko lokuphuma. Wasebenzisa i-neoprene donut gasket kwi-v-band clamp kufuphi nekati, ecinga ukuba umthwalo obambezelayo uya kuwuphatha. Yenze njalo, kangangeeseshoni ezimbini. Ubushushu benza ukuba izinto zihambe kwaye zicinezele ngokungalinganiyo, okukhokelela ekuvuthelweni kunye nokuvuza okubi kanye phambi kweseshoni. Sayitshintshela i-gasket yentsimbi efanelekileyo kwalapho. Isifundo: Inkumbulo yezinto ibalulekile. I-Neoprene ilahlekelwa yiyo xa ibhakiwe.

IGrafoil: Ukuya, Kodwa NgeGripes

Iigaskets zeGrafoil, okanye ngokuchanekileyo, i-flexible graphite gaskets, yimpendulo engagqibekanga ngesizathu. Baphatha kakuhle iqondo lobushushu-sithetha ngenkonzo eqhubekayo ukuya kuthi ga kwi-450-500 ° C kwi-non-oxidizing atmospheres, nakwiindawo eziphakamileyo. Zihambelana nokungafezeki kwe-flange, engumsindisi wobomi kwiindlela ezindala, ezijijekileyo. Uyibotshelela phantsi, ihluma kwaye izalise iintlambo ezincinci. Ngamandla abo okwenene.

Kodwa banezabo iidemon. Okokuqala kukuphumla kwe-creep, okanye ukuhamba okubandayo. Ngokuhamba kwexesha, ngakumbi phantsi komthwalo ophezulu wokubamba kunye nobushushu, igraphite inokucinezela kancinci kwaye incinci. Ukuba iibholiti zakho azikho i-torque-to-isivuno okanye awunazo iiwasha zasentwasahlobo, amandla okubamba ahla, kwaye ufumana ukuvuza. Ndihlala ndincoma i-retorque emva kwemijikelo yokuqala yobushushu ukuba kunokwenzeka. Okwesibini, kwaye oku kubalulekile: abayithandi ngokuthe ngqo, isantya esiphezulu sokukhupha igesi. Igraphite inokuvuthelwa ngokoqobo ukuba kukho umsantsa omkhulu okanye ukungahambi kakuhle. Ndihlala ndijonga ubuso be-flange ukuhambelana ngaphambi kokufaka.

Omnye umba ngowokusingatha. Igraphite ecocekileyo ithambile. Ukuba ufaka i-gasket ye-grafoil kwi-flange ethe nkqo okanye engaphezulu, kunokuba yintlungu ukugcina kwindawo ngelixa uqalisa iibholiti. Abanye beza kunye nentsimbi yentsimbi okanye i-tacky adhesive backings, encedayo. Ezo zifakela intsimbi engenastainless zomelele ngakumbi kodwa azihambelani. Lurhwebo-off.

I-oxidation kunye neFactor elityelweyo

Nazi iinkcukacha ezininzi eziphoswayo: i-oxidation. Kwi-exhaust stream ene-oksijini eninzi, i-graphite inokukhupha ngokukhawuleza ngaphezu kwe-400 ° C, ngakumbi emaphethelweni. Ijika ibe ngumlotha ongumgubo, unciphise i-gasket. Oku akuqhelekanga ukusilela kwintlekele kwimoto yesitalato, kodwa kwisicelo esizinzileyo somthwalo ophezulu-cinga ukuba i-generator esebenza ngokuzeleyo iintsuku-inokuba yinto yokugqoka. Nditsale i-gaskets yegrafoil ukusuka kwizindlu ze-turbo ebezincinci kakhulu kumphetho oshushu wangaphakathi. Kwezi ndawo zigqwesileyo, i-gasket yentsimbi eleleyo inokuba ngcono.

Xa ingekho impendulo echanekileyo

Apha kulapho amava okwenene aqala khona. Kukho iimeko apho zombini i-neoprene kunye negrafoil zilukhetho olulambathayo. Enye yeyobushushu obuphezulu kakhulu, amalungu anoxinzelelo oluphezulu, njengaphakathi kwendlu ye-turbocharger kunye ne-manifold. Apha, i-multi-layer steel (MLS) gaskets zinkosi. Abarhubuluzi, baphathe ibhayisekile eshushu ngobuchule, kwaye baxhathise ukuphuma.

Enye yeeflange ezinezikhewu ezinkulu okanye ukungafihli kakuhle. Akukho nanye imathiriyeli evala isithuba. I-Neoprene iya kukhupha kwaye ingaphumeleli; igrafoil iya kuqhuma okanye ityumze ngokungafaniyo. Ukulungiswa kumatshini weflange okanye usebenzise into engqindilili, eyomelela ngakumbi njenge-ceramic-reinfosite composite. Ndifunde oku ngendlela enzima kwibhoyila yeshishini lokukhupha amanzi. Sizame i-grafoil sheet engqindilili, kodwa i-warpage ye-flange yayingaphezulu kwe-1mm. Yavuza ngoko nangoko. Isicombululo yayikukuphinda kuphinde kusetyenziswe igasket yentsimbi enegrafu—isicombululo sobunjineli obungakumbi.

Ngamanye amaxesha, impendulo ayikho gasket kwaphela. Umatshini owenziwe ngokufanelekileyo, osicaba, kunye nokudibanisa isinyithi ukuya kwintsimbi ephezulu kunye ne-anti-high-temperature anti-sealant okanye i-sealant (njenge-paste ethile yobhedu) inokuthembeka ngakumbi kwi-V-band ethile okanye i-flat-face connections, ukuphelisa ikhonkco elibuthathaka lezinto ezicinezelekayo ngokupheleleyo.

Ukufumana izinto kunye neeNqobo eziSebenzayo

Ungathenga ezi gaskets naphi na, kodwa umgangatho uyahluka ngokwahlukileyo. I-grafoil engabizi kakhulu ingaba nokungcola okanye ukuxinana okungahambelaniyo, okukhokelela kwiindawo ezishushu kunye nokungaphumeleli. Kwizicelo ezibalulekileyo, ndinamathela kwiibrendi ezaziwayo okanye ababoneleli ababonelela ngezinto eziphathekayo. Kukwafanelekile ukuqwalasela inkqubo ye-fastener njengenxalenye yesisombululo sokutywinwa. Ibholithi ebuthathaka eyolula ngobushushu iphula umthwalo wokubamba. Yiyo loo nto ngomsebenzi wokudinwa, ndihlala ndifumana izixhobo zehardware kwiingcali eziqonda iimfuno zobushushu, njengaye I-Sunnian Zitai Festener Fishaner Comment Com.. Bazinze eYongnian, indawo ekhawulezayo yaseTshayina, kwaye babonelela ngoshishino oluninzi. Ukwazi iibholiti zakho kunye ne-studs zivela kwisiseko esikhulu semveliso enolawulo olungqongqo, olufikeleleka kwindawo yazo https //wwww.ziitasteners.com, kuthetha ukuguquguquka okuncinci okufuneka ukhathazeke xa yonke indibano ifudumeza kwaye ipholisa ngokuphindaphindiweyo.

Kumgangatho wevenkile, umthetho wam wobhontsi ngulo: kuninzi lwesitrato sokukhupha umsebenzi we-post-catalyst apho iqondo lokushisa liphakathi (ngaphantsi kwe-350 ° C), i-gasket yegrafoil esemgangathweni ilungile ngokugqibeleleyo. Yifake nje kwindawo ecocekileyo, ethe tyaba kunye ne-retorque. Kwi-pre-catalyst, i-turbo, okanye usetyenziso lweheader, ndoyama kwintsimbi eleleyo okanye iigasket zentsimbi eyomeleleyo. Neoprene? Ndiyigcinela imibhobho yokungena, iikhava, kunye nayo nantoni na ehlala ipholile. Kumalunga nokufanisa ubunyani bezinto eziphathekayo kwinkohlakalo yenkqubo. Ukukhupha ubushushu akuchaphazeli.

UkuThatha okokugqibela: Yinkqubo, hayi nje iNqanaba

Ngoko, i-neoprene vs. igrafoil? Ayichasananga ngokwenene. Zizixhobo zemisebenzi eyahlukeneyo. INeoprene yeyobushushu obuphantsi, ukutywinwa okumileyo. I-Grafoil yeyokutywinwa, ukutywinwa kobushushu obuphezulu apho iimeko zingekho ngqiqweni. Intshukumo yokwenyani yobuchwephesha kukuxilonga lonke ilungu: iprofayile yobushushu, imeko yeflange, umgangatho webholithi, kunye nokuhamba ngebhayisekile eshushu. Ndichithile ixesha kunye nemali ndigxeka izixhobo ze-gasket xa ingxaki yayiyi-flange egqwethekileyo okanye amandla okubamba angonelanga.

Ingcebiso yam? Musa ukukhetha nje ngokusekelwe kwingcebiso eqhelekileyo. Cinga ngendawo ethile kumsinga wokukhupha igesi, iqondo lobushushu eliphakamileyo eliza kuwubona, kunye nemiphumo yokuvuza. Ngamanye amaxesha, ukuchitha amatyeli amathathu ngaphezulu kwiprimiyamu yentsimbi yentsimbi eninzi ye-turbo flange yeyona nto inexabiso eliphantsi ekuhambeni kwexesha kuba wenza umsebenzi kube kanye kuphela. Kwaye rhoqo, hlala uqala ngokulungileyo, umphezulu osicaba kunye nezibophelelo ezifanelekileyo zokushisa. Yonke enye into yakhela phezu kweso siseko.