gwani

Kwarewar Masana'antar Shekaru 15

samar da ruwa hdpe bututu sa pe 100 diamita corrugated bututu

Takaitaccen Bayani:

Bellows sun haɗa da bel ɗin ƙarfe, murɗaɗɗen murɗaɗɗen katako, bututu mai musayar zafi, akwatunan fim na diaphragm da hoses na ƙarfe Ana amfani da bel ɗin ƙarfe don rama lalacewar bututun, rage girgiza, shayewar ɓarna na bututun da haka. Ana amfani da su sosai a cikin man petrochemical, kayan aiki, sararin samaniya, masana'antar sinadarai, wutar lantarki, siminti, ƙarfe da sauran masana'antu.Plastic da sauran kayan bel a matsakaicin watsawa, zaren wutar lantarki, kayan aikin injin, kayan gida da sauran filayen suna da rawar da ba za a iya canzawa ba. .


Bayanin samfur

Alamar samfur

Nau'in bellows

Bellows: Abun roba wanda ake amfani da shi don auna matsin lamba a cikin ma'aunin ma'aunin matsin lamba. Bellows suna da taushi kuma suna iya haifar da ƙaura a ƙarƙashin aikin matsin lamba, ƙarfin axial, ƙarfin juyawa ko lanƙwasa. Babban maƙasudin bellows shine canza matsin lamba zuwa ƙaura ko tilastawa azaman ma'aunin ma'aunin ma'aunin matsin lamba. Bango bututu mai kauri yana da sirara, ƙwarewar ta fi girma, ma'aunin ma'aunin shine dubun Pa zuwa dubun MPa. za a iya amfani da bel ɗin azaman keɓewar sealing don raba kafofin watsa labarai biyu ko hana ruwa mai cutarwa shiga sashin ma'aunin na'urar.Haka kuma ana iya amfani da shi azaman abin biyan diyya, ta amfani da canjin ƙarar sa don rama kuskuren zafin jiki na kayan aiki.A wasu lokutan kuma ana amfani dasu azaman ɓangarori biyu na haɗin gwiwa na roba, da dai sauransu Za'a iya raba bel ɗin gwargwadon kayan aiki zuwa bel ɗin ƙarfe, ba-ƙarfe na ƙarfe iri biyu; Dangane da tsarin za a iya raba shi zuwa kashi ɗaya da mai yawa .An yi amfani da bel ɗin daɗaɗaɗaɗaɗaɗaɗaɗaɗaɗaɗaɗaɗaɗɗen ƙarfi mai ƙarfi, dorewa mai kyau da ƙarancin damuwa kuma ana amfani da su a cikin mahimman ma'aunai. kasa da karfe, Monel gami da nickel gami.

Manuniya ayyuka

Ninka taurin

Nauyin da ake buƙata don samar da ƙaurawar ƙaƙƙarfan ƙaƙƙarfan ƙarfe na ƙarfe ko wasu abubuwan na roba ana kiransa taurin ƙarfi kuma ana bayyana shi gabaɗaya a matsayin "K" .Idan halayen naɓarɓare na sinadarin ba su da layi, taurin ba ya da ɗorewa, amma yana canzawa da Ƙara nauyi.Domin bellows rubuta abubuwa na roba don amfanin injiniya na gaba ɗaya, ƙimar taurin na iya iyakance zuwa +/- 50%.An raba rigar bel ɗin zuwa madaidaiciyar madaidaiciya, lanƙwasa ƙarfi da ƙanƙarar torsional gwargwadon kaddarorin daban-daban na kaya da ƙaura. .A cikin aikace -aikacen bellows, mafi yawan ƙarfin shine nauyin axial kuma ƙaura shine ƙaura ta layi. Wadannan sune manyan ƙira da hanyoyin ƙididdiga don ƙwanƙarar axial na bellows:

1. Hanyar makamashi don ƙididdige ƙwanƙwasa ƙwanƙwasa

2. Yi lissafin taurin taurin kai ta hanyar dabara

3. Lissafin taurin taurin ta hanyan lamba

4. Hanyar ƙididdige ƙarfi na ma'aunin EJMA

5. Hanyar taurin lissafin TOYO na Japan

6. American Kellogg (sabuwar hanya) hanyar taurin lissafi

Bugu da ƙari ga hanyoyin ƙididdige ƙalubalen da ke sama guda shida, akwai sauran hanyoyin ƙididdige ƙimar ƙasashen waje da yawa, ba za a gabatar da su a nan ba.Makatan injiniyoyi a ƙasarmu sun yi ayyuka da yawa a cikin binciken ka'idar da gwajin gwaji na bellows, kuma sun sami nasara Sakamakon manyan hanyoyin bincike sune kamar haka:

(1) hanyar ɓarna

(2) Hanyar sigar farko ta haɗin lamba

(3) Hanyar daidaitawar daidaituwa

(4) Hanyar madaidaiciyar madaidaiciyar hanya

Duk hanyoyin da ke sama za a iya amfani da su don ƙididdige bel ɗin daidai.Duk da haka, saboda aikace -aikacen zurfin ka'ida da hanyoyin lissafin lissafi, yana da wahala a yi amfani da shi a aikin injiniya, kuma yana da wuyar ƙwarewa, don haka yana buƙatar zama kara yin shela.

Ƙididdigar ƙarfin ƙarfe na ƙarfe haɗe da bazara mai karkace

A cikin aiwatar da amfani, taurin manyan buƙatun, da tsananin rigar murfin ƙarfe da kansa ƙarami ne, ana iya la'akari da shi a cikin rami na ciki na ciki ko saitin karkace mai jujjuyawar waje. Ta wannan hanyar, ba kawai taurin duka ba za a iya inganta tsarin na roba, amma kuma kuskuren da hysteresis ke haifarwa na iya raguwa ƙwarai.Aikin na roba na wannan tsarin na roba yafi dogara ne da halayen bazara da kwanciyar hankali na yanki mai tasiri na bellows.

Lanƙwasa taurin bellows

Lissafin damuwa na bellows

A matsayin sashi na roba na roba, bel ɗin ƙarfe dole ne ya fara saduwa da yanayin ƙarfin, wato, matsanancin matsin lamba bai wuce damuwar da aka yarda da ita a ƙarƙashin yanayin da aka bayar ba.Za a iya samun damuwar da za a iya samu ta hanyar rarraba matsanancin damuwa ta hanyar fa'idar aminci. Dangane da yanayin aiki na bellows da buƙatun don amfani da shi, matsanancin damuwa na iya zama ƙarfin yawan amfanin ƙasa, matsanancin damuwa lokacin da bel ɗin ba shi da ƙarfi, ko ƙarfin gajiya, da dai sauransu. Dole ne a bincika rarrabuwa a bangon bellows.

Damuwa a kan bellows yana haifar da matsin lamba a cikin tsarin da naƙasasshen bellows. Matsin lamba yana haifar da madauwari (na da'irar) a kan bellows, da radial fim da lanƙwasa damuwa a bangon gefen, tuluna, da kololuwar raƙuman ruwa. .Bakin harsashi wanda ba zai iya tsayayya da lanƙwasawa wani lokaci ana kiranta membrane, kuma damuwar da aka lissafa ba tare da lanƙwasawa ana kiran ta da matsin lamba. Ana samar da damuwar fim mai haske da lanƙwasawa yayin da ƙwanƙwasawa ta lalace. wasu a ƙarƙashin matsin lamba na waje, kamar haɗin gwiwa na bellows da tiyo na ƙarfe a mafi yawan lokuta bel ɗin a ƙarƙashin matsin lamba na ciki, kuma ana amfani da shi a cikin bawul ɗin murfin murfin ƙarƙashin matsin lamba na waje gabaɗaya a nan galibi yana nazarin damuwar bello a ƙarƙashin matsin lamba na ciki, ikon bel a ƙarƙashin Matsalar waje gaba ɗaya ta fi ƙarfin ƙarfin juriya na ciki. Tare da aikace -aikacen bellows mai yawa, babban bincike da bincike da fitar An yi tabbataccen kuskure akan damuwar bello, kuma an gabatar da dabaru da yawa na lissafin, shirye -shiryen lissafi da sigogi don ƙirar injiniya Duk da haka, wasu hanyoyin ba su dace da amfani ba saboda rikitattun sigogi ko hanyoyin, kuma wasu hanyoyin suna ɗauka cewa yanayin ba a sauƙaƙe ko kuma ya fi dacewa ba, don haka yana da wahala a tabbatar da aminci da dogaro a cikin amfani, kuma hanyoyin injiniya da yawa ba su yarda da su ba. hanyoyin da aka saba amfani dasu kamar haka:

1. Lissafin damuwar bellows ta hanyar adadi

Tunanin cewa duk murtsunguwar ƙwanƙwasawa suna cikin wannan yanayin, kawai ana yin nazarin raƙuman ruwa guda ɗaya na bellows a cikin lissafi. daban -daban daga na tsakiyar ripple.Hanyar lambobi ana warware ta gwargwadon daidaiton E. E. Lesnier don ɓarna na daidaitaccen harsashi mai jujjuya bakin ciki tare da kaurin bango mai canzawa. Ana amfani da ka'idar harsashi na bakin ciki, gami da: zato cewa kauri ƙarami ne idan aka kwatanta da babban radius na lanƙwasa harsashin shekara -shekara; Tsammani na kamanceceniya da isotropy na kayan amfani. lissafi.Domin a cikin kera bel, mirginawa, zane da biranen filastik da ke biye da billet zai haifar da rashin bacci da inhomogeneity a cikin makka hanical Properties na kayan.

2. Hanyar lissafin danniya ta EJMA ta Amurka

Ana ƙididdige yanki mai tasiri na bellows

Yankin da ya dace yana ɗaya daga cikin mahimman sigogin aikin bello, yana wakiltar ikon bello don canza matsin lamba zuwa ƙarfi mai ƙarfi, a cikin amfani da bel don canza matsin lamba zuwa fitarwa mai ƙarfi, yanki mai mahimmanci shine mahimmin sigogi.

Lokacin da ake amfani da ripple a cikin ma'aunin ma'aunin ƙarfi, kwanciyar hankali na yankin sa mai tasiri zai shafi madaidaicin kayan aikin kai tsaye. yankin baya canzawa tare da yanayin aiki yayin aikin aiki.

1. Tunanin yanki mai tasiri da canjin yanki mai tasiri

Yankin mai tasiri yanki ne daidai wanda matsin lamba zai yi daidai da ƙarfi. yanki mai tasiri ya zama babba.

2. Yanki mai ƙarfi mai ƙarfi na bellows

Ra'ayin canjin ƙarar da canjin madaidaicin madaidaicin madaidaicin bello a ƙarƙashin aikin ƙarfin waje ko bambancin matsin lamba ana kiransa yanki mai ƙarfi.

3. Lissafi na yanki mai tasiri na bellows

Abubuwan da ake buƙata don ingantaccen yankin bel ɗin da hanyoyin lissafin su ya dogara da amfani da bel.Idan ana amfani da bututun da aka yi amfani da shi don rama zafi na hatimin elastomeric ko bututu, ana amfani da mahimmancin yankin mai tasiri don lissafin ƙarfin axial kawai. na bellows forming da turawa a cikin tsarin da ake amfani da shi.Wannan akwai wasu bambance -bambance tsakanin ƙididdigewa da ƙimomin ƙima na ingantaccen yanki na bellows.Ga gaba ɗaya, yin amfani da dabara ta musamman don ƙididdige ingantaccen yankin bel ɗin na iya biyan buƙatun.

Lokacin da ake amfani da ripple a cikin kayan daidaita ma'aunin ƙarfi da dandamalin filin wanda ke buƙatar juyar da matsin lamba zuwa aiki, yakamata a ƙaddara ingantaccen yankin kuma a auna ma'aunin ɗaya bayan ɗaya.

Nada hankali

Mai yuwuwar ɓarnawar ƙarfe na ƙarfe da sauran abubuwan na roba a ƙarƙashin nauyin naúra ana kiransa ƙoshin abu. lokuta daban -daban, don sauƙaƙe nazarin matsalar, ana iya amfani da kowane sigogi.

Tasiri yanki na nadawa

Wani mahimmin ma'aunin aiki shine yanki mai tasiri don nau'in na roba wanda ke gane jujjuyawar juyi-juyi ko jujjuyawar matsin lamba.Wani yanki mai tasiri shine adadin ƙarfin mai da hankali wanda wani abu mai roba zai iya juyawa zuwa lokacin da ƙaurarsa ta zama sifili a ƙarƙashin matsin lamba.

Nadawa rayuwa

Abun roba yana da jihohi biyu yayin aiki; isaya shine yin aiki a ƙarƙashin wani nauyi da ƙaura, da kiyaye nauyin da ƙaura ba canzawa ko ɗan canji, wanda aka sani da aikin tsaye; caseaya yanayin amfani shine cewa nauyi da ƙaura suna canzawa a cikin ci gaba mai gudana.Ina kashi yana cikin yanayin aiki na cyclic Yanayin lalacewar kayan aiki ko gazawa sun bambanta dangane da yanayin aiki. Kayan aiki na kayan aiki na roba yana aiki a cikin kewayon na roba, a zahiri a cikin yanayin aiki na tsaye, rayuwar sabis tana da yawa Doguwa, gabaɗaya har zuwa dubun dubun sau zuwa ɗaruruwan dubunnan. Abubuwan haɗin gwiwa da ake amfani da su a aikin injiniya, wani lokacin suna aiki a cikin kewayon elastoplastic ko canza yanayin damuwa, rayuwa ɗaruruwan lokuta ne na bushewa kawai. , yawan zagayowar, lokaci da mita.

Rayuwar da aka ƙaddara ta nau'in na roba shine rayuwar sabis da ake tsammanin an ƙaddara a lokacin ƙirar kashi, kuma ana buƙatar cewa ba a ba da izinin kashi ya bayyana gajiya, lalacewa ko gazawa a wannan lokacin.

Nada ƙarfi

Kwanciyar hankali yana nufin sinadarin a cikin wani bambancin matsin lamba na ciki da waje a ƙarƙashin aikin don tabbatar da cewa babu ɓarna. Lokacin da kayan aikin bel ɗin ke aiki, ramin ciki yana cika da gas ko matsakaicin ruwa, kuma akwai wani matsin lamba, don haka dole ne Hanyoyin gwajin sealing sun haɗa da gwajin sealing matsa lamba na iska, gwajin ɓarna, gwajin matsin ruwa, ruwan sabulu ko helium mass spectrometer leaque detector.

Yawan ninki na halitta

Abubuwan na roba da ake amfani da su a masana'antar galibi ana fuskantar su da wani matakin girgizawa a cikin yanayin aiki, kuma ana amfani da wasu abubuwan azaman keɓancewar girgiza.Yana cikin yanayin girgizawa.Domin abubuwan na roba da ake amfani da su a cikin yanayi na musamman, ya zama dole don hana yanayin su mitar (musamman mahimmancin mitar) daga kasancewa kusa da kowane tushen girgiza a cikin tsarin, don gujewa lalacewar da resonance ke haifar. Don guje wa lalacewar farfajiyar murfin bel ɗin, yakamata yanayin yanayin bel ɗin ya kasance ƙasa da mitar girgizawar tsarin, ko aƙalla 50% sama da mitar girgizar tsarin.

Nadawa sabis zafin jiki

Ana amfani da bel ɗin ƙarfe a fannoni da yawa na abubuwan zafin jiki gabaɗaya kafin a ƙera da ƙera kayan na roba.Wasu amfani da bel na musamman, ramin ta hanyar iskar oxygen (-196 ℃) ko ƙananan nitrogen mai zafin jiki, yana tsayayya da matsin lamba har zuwa 25MPa. Ana buƙatar babban haɗin haɗin gwiwar da aka yi amfani da shi don haɗin cibiyar sadarwa na bututu (madaidaicin diamita wani lokaci fiye da LM) ana buƙatar ɗaukar matsin lamba na 4Mpa, juriya na zafin jiki na 400 ℃, kuma yana da kwanciyar hankali na lalata lalata. Saboda tsananin zafin zafin abin da ake amfani da shi.

Siffofin fasaha

Folded hali kaya

Abubuwan da ake tsammanin ana amfani da su akan bel ɗin ƙarfe da sauran abubuwan na roba, kamar ƙarfi mai ƙarfi F, matsa lamba p da lokacin M, da dai sauransu A cikin amfani da bel ɗin ƙarfe nau'in abubuwa na roba, ban da ƙimar nauyin da aka bayar, dole ne kuma a ba su jagora da matsayin aikin kaya.Domin nauyin matsin lamba, shi ma ya zama dole a nuna ko abin na roba yana fuskantar matsin lamba na ciki ko na waje.

Matsakaicin ƙimar da aka ba da izini ko ƙimar sikelin ƙarfe na ƙarfe da sauran abubuwan na roba a ƙarƙashin yanayin aiki na yau da kullun.Wa yawanci ana ƙimar ƙimar ƙirar, ko ƙimar ƙirar da aka bita bayan gwajin ainihin samfur ɗin.

Ƙarfin ƙarfin samfurin samfurin na roba na musamman lokacin da aka ba shi izinin wuce ƙimar da aka ƙaddara ba tare da lalacewa ba, gazawa ko rashin kwanciyar hankali a cikin aiki na gaggawa ko lokacin gwaji. Abubuwan da aka yi amfani da su. daidai da ƙimar kaya mai ƙima.

Nada fasalin ƙaura

Canje -canjen matsayi na takamaiman batu (ƙarshen kyauta ko cibiyar) a cikin bel ɗin ƙarfe da na roba. Dangane da yanayin motsin sa, ana iya raba shi zuwa ƙaura ta layika da ƙaurawar kusurwa. na iya haifar da ƙaurawar axial, ɓarnawar kusurwa da ƙaura.

Ƙararrawar ƙarfe da abubuwa na roba a cikin ƙimar da aka ƙaddara wanda ƙimar ƙaura ta haifar, wato, an ba su izinin samarwa a ƙarƙashin amfani na ƙaura.

Duk nau'ikan abubuwa na roba an yarda su wuce ƙarfin ɗaukar nauyi na ƙimar ƙaura a lokacin aiki ko lokacin gwaji.A cikin yanayin jujjuyawar juyi, ɓangaren na roba bai kamata ya lalace ba, gazawa, rashin kwanciyar hankali, da dai sauransu. abubuwan haɗin gwiwa, ƙaura da yawa yana iyakance ga 125% na ƙaurawar da aka ƙima, kuma bel ɗin da aka yi amfani da shi a cikin aikin yakamata a ƙaddara gwargwadon yanayin aikin injiniya da matakin aminci.

Halin na roba na nadawa

Alaƙar da ke tsakanin ƙaurawar bel ɗin ƙarfe da sauran abubuwan na roba a yanayin zafin jiki da aka ɗora da kuma nauyin da ake amfani da shi ana kiran halayen na roba, kuma duka ƙaura da ɗaukar kaya yakamata su kasance cikin kewayon kayan abu. Za'a iya bayyana halayen roba na bellows a cikin nau'in lissafin aiki, tebur da jadawali. Halayensa na roba sun dogara ne akan tsari da yanayin loda abubuwa daban -daban na roba.Haƙƙarfan halayen na kashi na iya zama mai layi -layi ko mara -layi, kuma rashin daidaituwa na iya kuma a raba su zuwa haɓaka da rage halaye.

Halin na roba yana ɗaya daga cikin manyan mahimman ayyukan bellows da sauran abubuwan na roba. Abubuwan na roba da aka yi amfani da su a cikin kayan kida da na'urorin aunawa gabaɗaya an tsara su ta yadda fitowar sinadarin ke cikin alaƙar layi tare da ma'aunin ma'auni (kaya Ta wannan hanyar, ana iya amfani da hanyar ƙarawa mai sauƙin watsawa don cimma daidaiton ma'aunin kayan aiki.

Naƙasa nakasa na saura

Ragowar naƙasasshen murƙushewar ƙarfe da sauran abubuwan na roba suna nufin ƙauracewar abubuwan yayin da aka ɗora su kuma abubuwan na roba ba za su iya komawa matsayin asali ba bayan an sauke na dogon lokaci.Yana haifar da ƙima mai ƙima don nakasa na dindindin. sashin yana da alaƙa da jihar sabis. Lokacin da ƙaurawar tashin hankali (ko matsawa) a hankali ya ƙaru zuwa wani ƙimar ƙaura, ragowar ragowar za ta ƙaru sosai.

Nauyin nakasa shine sigogi don tantance ikon nakasa na wani na roba. Don wani abu mai mahimmanci na roba, idan babban ƙaura ya faru bayan isa ƙimar ƙaura ta ƙaura, zai shafi daidaiton ma'aunin kayan. Saboda haka, ana ba da wani ƙimar iyakance don nakasa ta sauran. abubuwan da aka haɗa (kamar ƙwanƙwasa faɗaɗa bellows), wani lokacin don samun babban ƙaura, don abubuwan da ke cikin su yi aiki a cikin yankin elasto-filastik, za a sami babban nakasa na sauran.Idan zai iya saduwa da wani rayuwar sabis kuma ba a ɓata shi ba. Sannan ba a sake la'akari da naƙasasshiyar ragowar.

Nadawa don gyara wannan ƙirar sashe

A ka'idar tushe na karfe bel bel zane ne farantin da harsashi ka'idar, abu makanikai, lissafi lissafi da sauransu. Akwai da yawa sigogi a cikin zane na bel. Saboda amfani daban -daban na bellows a cikin tsarin, mahimman abubuwan ƙira da lissafi sun bambanta. Misali, ana amfani da bel ɗin a cikin abubuwan daidaita ma'aunin ƙarfi, kuma ana buƙatar ingantaccen yanki na bel ɗin ya kasance mai dorewa ko canza kadan a cikin kewayon aiki, kuma ana buƙatar halayen roba na bel ɗin don su kasance masu layi don auna abubuwan da aka gyara.Domin bututu mai sauyawa a matsayin hatimin injin, kayan rufe murfin injin, ana buƙatar ƙaurawar axial da rayuwar gajiya ta bello. Ya kamata a sami wasu juriya na matsin lamba, juriya na lalata, juriya na zafin jiki, ƙaurawar aiki da gajiya rayuwa.A cewar tsarin halaye na bellows, ana iya ɗaukar bel ɗin azaman madauwari harsashi, lebur mai mazugi ko farantin madauwari. ƙira da lissafin bel Hakanan shine ƙira da lissafin harsashi mai zagaye, harsashi mazugi ko farantin zobe.

Sigogin da aka lissafa sune taurin kai, damuwa, yanki mai tasiri, rashin kwanciyar hankali, ƙaurawar da aka ba da izini, juriya da matsin lamba.

Nada juriya matsa lamba

Matsakaicin matsin lamba shine mahimmin sigogi na aikin bellows.Bellows a dakin zafin jiki, raƙuman ruwa na iya tsayayya da matsakaicin matsin lamba ba tare da gurɓataccen filastik ba, wato matsakaicin juriya na matsin lamba a ƙarƙashin yanayi na yau da kullun, bello yana cikin wani matsin lamba (matsin ciki ko waje matsa lamba) aiki, don haka dole ne ya tsayayya da matsin lamba a cikin dukkan aikin ba tare da gurɓataccen filastik ba.

Haƙurin matsin lamba na bellows a zahiri yana cikin ƙarfin bellows. Mabuɗin lissafin shine nazarin damuwa, wato bincike na damuwa a bangon bellon muddin damuwa a matsakaicin matsin lamba akan bangon bel ɗin yayi. kada ya wuce ƙarfin amfanin ƙasa na kayan, matsin lamba ba zai kai ga juriyarsa ba.

Guda guda ɗaya a cikin sauran yanayin aiki iri ɗaya ne, kwanciyar hankali na matsin lamba na waje ya fi matsin lamba na ciki, don haka matsakaicin ƙarfin matsin lamba ya fi matsin lamba na ciki lokacin da ake aiki da matsin lamba na waje.

Lokacin da aka gyara bel ɗin a ƙarshen duka, idan an yi isasshen matsin lamba a cikin rami na ciki, ƙwanƙwasa na iya lalacewa ta hanyar fashewa a ƙwanƙwasa. Ƙimar matsin lamba a cikin bellows lokacin da bel ɗin ya fara fashewa ana kiransa matsin fashewa. shine siginar da za a iya kwatanta matsakaicin ƙarfin matsin lamba na bellows.Duk cikin tsarin aikin bellows, matsi na aiki ya yi ƙasa da matsewar fashewa, in ba haka ba ƙugun zai fashe kuma ya lalace.

Lokacin da tsayin ripple ya yi ƙasa ko daidai da diamita na waje, sakamakon da aka lissafa yana kusa da ainihin fashewar matsin lamba.Haƙƙarfan fashewar ƙima yana da ƙanƙanta don dogon bel ɗin mai ƙarfi. Matsalar fashewar tana kusan sau 3 ~ 10 na izinin matsin aiki.

Nada kwanciyar hankali

Lokacin da ƙarshen ƙwanƙwasawa biyu ke da iyaka, idan matsin lamba a cikin bel ɗin ya ƙaru zuwa wani ƙima mai mahimmanci, bel ɗin zai kasance mara tsayayye.

Nada ƙaurawar da aka yarda

Don bellows da ke aiki a cikin yanayin matsawa, matsakaicin matsayinta na matsawa shine: bello ƙarƙashin aikin matsin lamba, matsawa zuwa lamba tsakanin bel ɗin na iya haifar da ƙimar ƙaura, wanda kuma aka sani da tsarin ƙimar matsakaicin ƙaura, daidai yake da tsawon bel ɗin kyauta da matsakaicin matsakaicin matsawa.

Matsakaicin ƙaura da bel ɗin zai iya samu ba tare da naƙasasshen filastik ba ana kiranta ƙaurawar bel ɗin.

Corrugated bututu zai samar da sauran nakasa a cikin aiwatar da aiki mai aiki, ragowar na ɓarna kuma ana kiranta naƙasasshe na dindindin ko naƙasasshen filastik, gurɓataccen bututu a ƙarƙashin aikin ƙarfi ko matsin lamba, lokacin da ƙarfi ko matsin lamba bayan saukarwa, ba a maido da bututun da aka lalata. asalin matsayin sabon abu ana kiranta gurɓataccen abu, nakasa na yau da kullun yana amfani da bututu mai ruɓi don dawo da asalin wurin da yawa kuma ana kiranta sifilin sifili.

Dangantaka tsakanin ƙaurawar bellows da zero offset. Nauyin gurɓataccen bellows a matakin farko na ƙaurawar bel ɗin yana da ƙanƙanta, wanda galibi ƙasa da abin da za a iya kashewa a cikin ma'aunin bel ɗin, ba tare da la'akari da tashin hankali ko matsin lamba ba. zuwa wani ƙimar ƙaura, zai haifar da ƙaruwa kwatsam a cikin ƙimar ragin sifili, wanda ke nuna cewa ƙulli zai haifar da nakasa mai yawa, bayan haka.Idan ƙaura ta ƙara ƙaruwa kaɗan, naƙasasshiyar ragowar za ta ƙaru sosai. Sabili da haka, bellows gaba ɗaya bai kamata ya wuce wannan ƙaura ba, in ba haka ba zai rage daidaito, kwanciyar hankali, aminci da rayuwar sabis.

Canjin matsawar da aka ba da izini na bellows a cikin yanayin matsawa ya fi girma a cikin yanayin tashin hankali, don haka yakamata a tsara bel ɗin don yin aiki a cikin yanayin matsawa gwargwadon iko. bellows of the same material and the same specification is 1.5 times the allowable tensile displacement.

Canjin da aka ba da izini yana da alaƙa da sigogin girma na geometrical da kaddarorin kayan bellows.Ba gaba ɗaya, ƙaurawar bel ɗin daidai gwargwado ne ga ƙarfin yawan amfanin ƙasa da murabba'i na babban diamita na kayan, kuma ba daidai ba ne daidai da madaidaicin madaidaicin abu da kaurin bango na bellows.A lokaci guda kuma, zurfin ragin dangi da kaurin igiyar ruwa shima yana da wani tasiri a kansa.

Nadawa rayuwa

Rayuwar bellows ita ce mafi gajarta lokacin aiki ko adadin zagayowar da za ta iya tabbatar da aiki na yau da kullun lokacin da ake amfani da ita a ƙarƙashin yanayin aiki. Tsarin sealing na roba wanda aka haɗa da bel ɗin yana aiki a ƙarƙashin yanayin sauye -sauye na ƙarin hawan keke da ƙaura mafi girma, don haka yana daga babban mahimmanci don ƙayyade rayuwar sabis na bellows.Domin aikin bel ɗin ya bambanta, abubuwan buƙatun rayuwar sabis ɗin ba iri ɗaya ba ne.

(1) lokacin da ake amfani da bututun da aka yi amfani da shi don rama bambancin matsayin da aka haifar ta shigar da tsarin bututun, ya isa ya buƙaci sau kaɗan na rayuwarsa.

(2) ana amfani da bellows a cikin masu sarrafa thermostat tare da mitar sauyawa mai yawa, kuma rayuwarsu yakamata ta kai sau 10,000 don biyan buƙatun amfani.

(3) lokacin da ake amfani da bel don jujjuyawar injin a matsayin hatimin injin, yakamata rayuwarsu ta kai sau 30000 don tabbatar da aikin al'ada.

Daga misalan misalai guda uku na sama ana iya ganin su, saboda amfani da yanayi daban -daban, bello na buƙatar babban bambanci a rayuwar sabis. Rayuwar bellows tana da alaƙa da halayen gajiya na kayan da aka zaɓa, kuma ya dogara da girman ragowar damuwa, maida hankali da damuwa da ingancin farfajiyar bugu da ƙari. Rayuwar sabis tana da alaƙa da yanayin aiki na bellows.Don misali: bellows aiki ƙaura, matsin lamba, zazzabi, matsakaicin aiki, yanayin girgizawa, kewayon mita , yanayin tasiri, da dai sauransu.

Tsawon rayuwar bellows ya dogara da matsakaicin danniya da aka samar a cikin tsarin aiki Don rage damuwa, ana samun nasara gabaɗaya ta hanyar rage ƙaurawar aiki na bellows da rage matsin lamba aiki. na ƙaurawar da aka ba da izini da matsin lambar aiki ya kamata ya zama ƙasa da rabin juriya na matsin lamba a cikin ƙirar gaba ɗaya.

Gwajin akan bel ɗin ya tabbatar da cewa idan bel ɗin yayi aiki gwargwadon ƙayyadaddun abubuwan da ke sama, rayuwar sabis na ƙasa mai mahimmanci na iya kaiwa kusan sau 50,000.

Dangane da yanayi daban -daban na matsin aiki, izinin ƙaurawar bel ɗin shima ya bambanta da babban bel ɗin kawai yana ɗaukar nauyin axial (tashin hankali ko matsin lamba), ana iya zaɓar ƙaurarsa mai izini tsakanin 10% ~ 40% na ingantaccen tsawon bellows; Lokacin da bellows ke fuskantar karfi mai jan hankali a gefe, lokacin torsional ko haɗin gwiwa, yakamata a rage ƙaurawar bel ɗin da kyau.

Amfani da bellows mai ɗimbin yawa na iya rage taurin kai da damuwa da lalacewar ta haifar, don haka za a iya inganta rayuwar bello sosai.

Rayuwar sabis na bellows zai bambanta lokacin da wasu yanayi iri ɗaya ne kuma kaddarorin matsin lamba na aiki (na yau da kullun ko juzu'in juzu'i) sun bambanta.

Koma don gyara wannan aikace -aikacen sashe

Metal corrugated bututu da fin mai sanyaya, aikace-aikacen bellows a cikin injin ƙonewa na ciki a cikin man fetur da injin sanyaya injin dizal ko tsakanin shigar farantin bututu guda biyu na tushen 1-1000 tare da madaidaiciyar madaidaiciya-concave siffar ƙarfe bututu, ta hanyar yin amfani da hanyar hanyar faɗaɗa, ya kamata a gyara walda a farantin bututu a ƙarshen ɗaya, wanda ke canza kwararar matsakaiciyar sanyaya, don haɓaka daidaiton canja wurin zafi, Ƙara saurin canja wurin zafi. farashi, aikin abin dogaro, ingantaccen canja wurin zafi, babu ƙima, tsawon rai da ƙaramin damuwa na zafi.

1, matsin lamba gwargwadon matsin lambar aikin tiyo, sannan ku nemi madaidaicin madaidaicin ripple da ma'aunin matsin lamba, yanke shawara ko za a yi amfani da nau'in raga bakin karfe.

2, girman diamita mara lamba, zaɓi nau'in haɗin gwiwa (galibi haɗin flange, haɗin zaren, haɗin sauri) da girman, tsawon tiyo.

3, gwargwadon yanayin amfani da tiyo, koma zuwa madaidaiciyar amfani da shigar da bututun ƙarfe da tiyo a cikin daidaita mafi kyawun tsayin rama.Ki lissafa tsawon tiyo a cikin jihohin motsi daban -daban da ƙaramin lanƙwasa lamba da ƙaramin lanƙwasa radius na tiyo, kuma zaɓi madaidaicin tsawon tiyo kuma shigar da shi daidai.

4. Zazzabi mai aiki da kewayon matsakaici a cikin bututun zafin jiki; Zazzabi na yanayi wanda tiyo ke aiki.At high zazzabi, gwargwadon matsin lamba na daidaita yanayin zafin aiki na murfin ƙarfe a babban zafin jiki, matsin lamba bayan gyara zafin jiki an ƙaddara don ƙayyade daidai matakin matsa lamba.

5. An ƙaddara kaddarorin sunadarai na matsakaici da aka yi jigilar su a cikin tsaka -tsakin gwargwadon teburin siginar juriya na lalata kayan aikin tiyo don tantance kayan sassa daban -daban na tiyo.

6. An yi amfani da bututun injin musamman wajen samar da silikon monocrystalline don cimma mabuɗin mara kyau

Yafi amfani a karfe bel

Belin bel ɗin ƙarfe, wanda kuma aka sani da bel ɗin ƙarfafan ƙarfafan bututun ƙarfe na polyethylene, wani nau'in bututu ne na tsarin murɗaɗɗen bututu tare da polyethylene mai yawa (PE) azaman matrix (ciki da waje) da farfajiya mai rufi da bel ɗin ƙarfe na m. Tsarin bangon bututu ya ƙunshi yadudduka uku: Layer na ciki shine madaidaiciyar bango PE bututu na ciki, bututun ciki yana rauni (kafa ta farantin ƙarfe a cikin siffar "V") jikin ƙarfafawa na ƙarni na ƙarfe na ƙarfe. Ƙarfin ƙarfafawa yana haɗe tare da polyethylene na waje, don haɗawa gabaɗaya karkacewa. Ana nuna tsari na yau da kullun. ), haɗe tare da fa'idodin ƙarfe da filastik a bayyane sun sami babban taurin kai, ƙarancin amfani, hanya madaidaiciya zuwa madaidaicin ƙarfi, ƙarfin ƙarfe da kyawawan kaddarorin filastik kamar juriya na lalata , sa juriya da sassauci a jiki, wasa fa'idar bangarorin biyu, Gyara gazawar bangarorin biyu, da cimma haɗin kan babban aiki da ƙarancin farashi.


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