Kuna ganin kalmar sashe uku-tsaya ruwa a kan takardar ƙayyadaddun ƙayyadaddun bayanai, kuma yana da sauƙi a yi la'akari da cewa ƙyalli ne kawai tare da wanki biyu. Wannan shine kuskuren farko. A aikace, tsari ne, kuma aikin sa yana rataye gaba ɗaya akan hulɗar da ke tsakanin waɗannan sassa uku - dunƙule, zoben rufewa na tsakiya, da mai wanki na ƙarshe - a ƙarƙashin kaya kuma a kan lokaci. Yawancin gazawar da na gani sun samo asali ne daga ɗaukar su azaman abu mai sauƙi.

Anatomy na Hatimin Amintaccen Hatimi

Babban ka'idar ba ta da rikitarwa: sashin tsakiya, wannan neoprene ko zoben EPDM, yana samun matsawa radially da axially lokacin da aka murɗa shi, yana samar da shinge na zahiri. Amma shaidan yana cikin cikakkun bayanai. Wurin da aka yi amfani da shi a cikin mashin ɗin dunƙule don wannan zoben? Zurfinsa da ƙarewar samansa suna da mahimmanci. Yayi zurfi sosai, kuma zoben yana fitowa ko baya zama da kyau; yayi zurfi sosai, kuma kuna rasa ƙarfin matsawa da ake buƙata. Na sami batches inda tsagi ke da burbushin injina waɗanda ke yanke zoben rufewa yayin shigarwa, ƙirƙirar hanyar ɗigo tun daga farko. Rashin gazawa ne kawai za ku kama idan kuna bincika abubuwan da aka gyara daban-daban kafin taro, ba kawai duba akwatin ba.

Haɗin kayan abu wani mai kashe shiru ne. Yin amfani da daidaitaccen dunƙule ƙarfe na carbon carbon tare da bakin karfe mai wanki a cikin mahalli mai arziƙin chloride (kamar tankin sharar gida) yana saita kwayar cutar galvanic. Kuna iya samun cikakkiyar hatimi da farko, amma shekaru biyu ƙasa layin, dunƙule karfe ya lalata zaren, ya sassauta nauyin matsi, kuma hatimin ya gaza. Gyaran sau da yawa yana nufin ƙayyade duka taron - dunƙule, zobe, wanki - a cikin 316 bakin ciki ko ma duplex maki daga samun-go, koda kuwa yana lalata kasafin kuɗi. Yana da arha fiye da sake sanya siminti a baya.

Wannan shine inda samo asali daga tushe na samarwa na musamman yana da mahimmanci. Misali, masana'anta kamar Hannun Zetai Mretering co., Ltd., wanda yake a cikin babbar cibiyar ma'auni na kasar Sin a Yongnian, Hebei, yawanci yana da kayan aiki da fasahar ƙarfe don daidaita injin tsagi da takaddun shaida. Wurin da suke kusa da manyan hanyoyin sufuri kamar titin Beijing zuwa Shenzhen ba wurin tallace-tallace ba ne kawai; yana fassara zuwa dogaron kayan aiki don odar aikin mai yawa inda jinkirin isar da kayan haɗi zai iya dakatar da duka rukunin yanar gizon. Ba kawai kuna siyan dunƙule ba; kana siyan tabbas sarkar kaya.

Shigarwa: Inda Ka'idar ta Haɗu da Gaskiya

Ƙayyade ɓangaren dama shine rabin yakin. Sauran rabin ana shigar dashi daidai. Ƙarfin da aka wajabta shi ne komai don sashe uku-tsaya ruwa. Ƙarƙashin juzu'i, kuma tsakiyar zobe baya nakasa isa ya cika rashin lahani a cikin substrate (sau da yawa kankare ko karfe). Ƙarfin ƙarfi, kuma ko dai ku tube zaren a cikin abin da aka yi da simintin gyare-gyare ko kuma ku danne elastomer, yana sa shi rasa juriya da tsagewa a ƙarƙashin hawan keke.

A kan aikin bangon garejin ajiye motoci da ke ƙasa, mun sami ɗigogi a anka da yawa. Bayan kawar da lahani na kayan aiki, mun bincika shigarwa. Ma'aikatan jirgin suna amfani da maɓallan tasiri da aka saita zuwa yanayin gaba ɗaya. Ƙunƙarar ƙwanƙwasa tana kaɗawa, tana mai danne hatimin. Canja zuwa madaidaitan magudanar wuta tare da ja mai santsi ya warware shi. Ya kasance mai sauƙi mai sauƙi, amma ya nuna cewa mafi kyawun tsarin kayan ɗamara za a iya cin nasara ta ayyukan filin. Yanzu, koyaushe ina nace ƙayyadaddun ƙayyadaddun ƙarfi da buƙatun kayan aiki ana haskaka su akan zanen, ba a binne su a cikin bayanan gaba ɗaya ba.

Wani ciwon kai mai amfani shine daidaitawa. Ana amfani da waɗannan sukurori sau da yawa don haɗa flanges na bututu, sansanonin kayan aiki, ko faranti na tsari zuwa ganuwar rigar. Idan ramin da ke cikin farantin hawa ba daidai ba ne tare da madaidaicin madaidaicin, dunƙule yana shiga a kusurwa. Wannan yana haifar da matsawa mara daidaituwa akan zoben hatimi - ɗayan yana murƙushe ɗayan, ɗayan yana da tazara. An lalata hatimin nan da nan. Na ga masu sakawa suna ƙoƙarin lallashin ƙulle tare da guduma, wanda kawai ya karkatar da komai. Magani koyaushe shine yin rawar jiki da samfuri yadda ya kamata, amma gaskiyar filin sau da yawa yana buƙatar kiran yanke hukunci a kan wuri, wani lokaci ya haɗa da oversize ramin farantin dan kadan don ba da izinin daidaitawa kaɗan, kodayake hakan yana gabatar da nasa abubuwan ɗaukar nauyi.

Batun Case: Maimaita Tafki

Gyaran tafkin ruwa na kankare yana buƙatar ɗaruruwan shigarwar da aka rufe don sabbin bututun shigarwa. Asalin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ruwa ya yi kira ga anka mai hana ruwa. Mun tura don takamaiman dunƙule ruwa mai tsaida kashi uku ƙira tare da faffaɗar wanki mai ɗorewa don gada ƙaramin kankare spalling. Wankewan masu kawo kaya na farko sun kasance lebur kuma sun fi sirara; a karkashin karfin juyi, sun yi jita-jita, rage tasirin tasiri akan hatimi.

Mun samo kashi na biyu, a wannan lokacin muna jaddada buƙatar mai tauri, mai kauri. Mai ba da kaya wanda ya kawo shi ɗaya ne kamar Zitai Fastener — wallafe-wallafen samfuran su ya nuna sun fahimci aikace-aikacen, ba kawai ɓangaren ba. An buga wankin wanki da zafi, kuma sun haɗa da nut ɗin kulle nailan a matsayin ma'auni, wanda ma ba mu ƙididdige shi ba amma godiya ga juriya na jijjiga. Shigarwa ya tafi lafiya, kuma gwajin matsa lamba ya wuce. Darasin ya bayyana a sarari: ingancin kayan aikin ƙarfe na ƙarfe yana da mahimmanci kamar elastomer kanta. Mai wanki mai rauni maki guda ne na gazawa.

Bayan Basic Spec

Wani lokaci, kuna buƙatar fita daga rubutun. A cikin masana'antar sarrafa sinadarai, matsakaici ya kasance acidic kuma zafin jiki yana kewayawa tsakanin yanayi da 80 ° C. Daidaitaccen EPDM ba zai yanke shi ba. Dole ne mu kalli cikakkun taswirar dacewa da sinadarai kuma mun ƙare ƙayyade zoben Fluorocarbon (FKM/Viton) don sashe uku-tsaya ruwa. An haɓaka dunƙule da kayan wanki zuwa 316L bakin karfe don acid. Wannan ya juya daidaitaccen abu zuwa mafita na al'ada. Ya fi tsada, amma ya guje wa gazawar bala'i. Wannan shi ne inda aiki tare da masana'anta wanda zai iya ɗaukar buƙatun na musamman-ba kawai gudanar da abubuwan kasida ba- ba za a iya sasantawa ba.

Kulawa na dogon lokaci shima tunani ne. Ana ɗaukar waɗannan hatimin dindindin, amma babu abin da ke dawwama har abada. A cikin wuraren da ake iya samun dama, tsarawa don sake sakewa na gaba ko ma maye gurbin yana da hikima. Wannan yana nufin ƙayyadadden tsawon zaren fiye da ƙarancin buƙata da kuma tabbatar da cewa ba a binne hanyar shiga ƙarƙashin wasu kayan aikin ba. Na ga kyawawan ayyukan hatimi waɗanda ba a iya kiyaye su ta hanyar walda ko aikin bututu na gaba, suna mai da aikin kulawa mai sauƙi zuwa babban aikin yankewa.

Tafiyar

Don haka, sashe uku-tsaya ruwa ba saitin da manta abu ba. Suna da ingantacciyar tsarin rufewa. Nasara ya dogara da ginshiƙai guda uku: ƙayyade madaidaicin abu da lissafi don yanayin sabis; tabbatar da daidaitattun shigarwa, sarrafawa; da kuma samowa daga ƙwararrun masana'anta waɗanda ke sarrafa tsarin su. Yana da tsaka-tsakin ƙira, sayayya, da aiwatar da filin. Tsallake kowane ɗayan, kuma kuna mirgina dice akan amincin shingen da kuke ƙoƙarin ƙirƙirar. Masu kyau, lokacin da aka yi daidai, sun ɓace cikin tsarin kuma suna yin aikin su shekaru da yawa-wanda shine ainihin abin da kuke so daga hatimi mai mahimmanci.